Journal articles: 'Control plant pathogens'

1

Sutthisa, W. "Biological Control Properties of Cyathus spp. to Control Plant Disease Pathogens." Journal of Pure and Applied Microbiology 12, no. 4 (December 30, 2018): 1755–60. http://dx.doi.org/10.22207/jpam.12.4.08.

Full text

APA, Harvard, Vancouver, ISO, and other styles

2

Dawadi, Sujan, Fulya Baysal-Gurel, Karla M. Addesso, Prabha Liyanapathiranage, and Terri Simmons. "Fire Ant Venom Alkaloids: Possible Control Measure for Soilborne and Foliar Plant Pathogens." Pathogens 10, no. 6 (May 27, 2021): 659. http://dx.doi.org/10.3390/pathogens10060659.

Full text

Abstract:

The purpose of this study was to evaluate fire ant venom alkaloids and an alarm pheromone analog against several plant pathogens, including Botrytis cinerea, Fusarium oxysporum, Phytophthora nicotianae, P. cryptogea, Pseudomonas syringae, Phytopythium citrinum, Rhizoctonia solani, Sclerotonia rolfsii, Xanthomonas axonopodis, and X. campestris. All pathogens were tested against red imported fire ant venom alkaloid extract and alarm pheromone compound for growth inhibition in in vitro assay. The venom alkaloid extract inhibited fungal and oomycete pathogens. Neither of the treatments were effective against bacterial pathogens. Three soilborne pathogens, P. nicotianae, R. solani, F. oxysporum, and one foliar pathogen, B. cinerea were selected for further in-vivo assays on impatiens (Impatiens walleriana ‘Super Elfin XP violet’). Total plant and root weight were higher in venom alkaloid treated plants compared to an inoculated control. The venom alkaloid treatment reduced damping-off, root rot severity, and pathogen recovery in soilborne pathogen inoculated plants. Similarly, venom alkaloid reduced Botrytis blight. However, higher venom rates caused foliar phytotoxicity on plants. Therefore, additional work is needed to evaluate rates of venom alkaloids or formulations to eliminate negative impacts on plants. Overall, these results suggest that red imported fire ant venom alkaloids may provide a basis for new products to control soilborne and foliar plant pathogens.

APA, Harvard, Vancouver, ISO, and other styles

3

Marois, James J. "Biological Control of Plant Pathogens." Ecology 71, no. 4 (August 1990): 1632. http://dx.doi.org/10.2307/1938303.

Full text

APA, Harvard, Vancouver, ISO, and other styles

4

Yandoc-Ables, C. B., E. N. Rosskopf, and R. Charudattan. "Plant Pathogens at Work: Improving Weed Control Efficacy." Plant Health Progress 8, no. 1 (January 2007): 33. http://dx.doi.org/10.1094/php-2007-0822-02-rv.

Full text

Abstract:

Research in the area of the use of plant pathogens as biological control agents for weeds is conducted using either the classical or the bioherbicidal approach. In the classical approach, a pathogen is typically imported from a foreign location to control an introduced weed target. In the inundative or bioherbicide strategy, an indigenous pathogen is cultured to produce large quantities of inoculum that are applied at high rates to the entire target weed population. Research on the development of plant pathogens for biological control using the inundative or bioherbicide approach has moved from determining host range and demonstrating pathogenicity to investigating systems that enhance the efficacy of these agents. Accepted for publication 9 April 2007. Published 22 August 2007.

APA, Harvard, Vancouver, ISO, and other styles

5

Lumsden, Robert D., and George C. Papavizas. "Biological control of soilborne plant pathogens." American Journal of Alternative Agriculture 3, no. 2-3 (1988): 98–101. http://dx.doi.org/10.1017/s0889189300002253.

Full text

Abstract:

AbstractSoilborne plant pathogens cause major economic losses in agricultural crops, and the present methods for control of diseases brought about by these pathogens are inadequate. Alternatives are also needed to substitute for the use of chemical fungicides. Many of these are known to induce tumors in experimental animals and are thus regarded by some investigators as potential human carcinogens when present as residues in food and water. In addition, such alternative control measures are needed because of the potential threat of development of resistance to fungicides, especially systemic fungicides, by fungal plant pathogens, and because of nontarget side effects on other plant pathogens and on beneficial microorganisms. Alternative disease control is sometimes possible through development of crop plants resistant to disease. Unfortunately, however, resistance is lacking or not available for many diseases caused by soilborne plant pathogens. Another biological means of controlling disease which is presently gaining much attention is biological control. Several systems of biological control are presently being explored and may be developed in a few years into reliable alternatives to conventional chemical control methods. The use of the mycoparasite Sporidesmium sclerotivorum, for example, against several diseases caused by Sclerotinia species is promising. Talaromyces flavus may in the future be exploited for use against several wilt diseases caused by Verticillium dahliae. Finally, practical control of several diseases caused by Pythium spp., Rhizoctonia solani, and Sclerotium rolfsii may eventually become possible through the use of Trichoderma spp. and Gliocladium virens. Development of these biological control systems will require much additional research directed toward a better understanding of the basic biology and mechanisms of action of beneficial fungi against plant pathogens. In addition, extensive cooperation will be required among research scientists, governmental agencies responsible for regulating the use of pestcontrol systems, and most importantly, private industry to develop biological control agents for the market and to coordinate acceptance and use by producers and acceptance by consumers.

APA, Harvard, Vancouver, ISO, and other styles

6

Sánchez-Vallet, Andrea, Simone Fouché, Isabelle Fudal, Fanny E. Hartmann, Jessica L. Soyer, Aurélien Tellier, and Daniel Croll. "The Genome Biology of Effector Gene Evolution in Filamentous Plant Pathogens." Annual Review of Phytopathology 56, no. 1 (August 25, 2018): 21–40. http://dx.doi.org/10.1146/annurev-phyto-080516-035303.

Full text

Abstract:

Filamentous pathogens, including fungi and oomycetes, pose major threats to global food security. Crop pathogens cause damage by secreting effectors that manipulate the host to the pathogen's advantage. Genes encoding such effectors are among the most rapidly evolving genes in pathogen genomes. Here, we review how the major characteristics of the emergence, function, and regulation of effector genes are tightly linked to the genomic compartments where these genes are located in pathogen genomes. The presence of repetitive elements in these compartments is associated with elevated rates of point mutations and sequence rearrangements with a major impact on effector diversification. The expression of many effectors converges on an epigenetic control mediated by the presence of repetitive elements. Population genomics analyses showed that rapidly evolving pathogens show high rates of turnover at effector loci and display a mosaic in effector presence-absence polymorphism among strains. We conclude that effective pathogen containment strategies require a thorough understanding of the effector genome biology and the pathogen's potential for rapid adaptation.

APA, Harvard, Vancouver, ISO, and other styles

7

Fletcher, J. D., F. A. Shah, R. C. Butler, S. L. H. Viljanen-Rollinson, and M. V. Marroni. "Control of plant pathogens practical experiments in eradication." New Zealand Plant Protection 62 (August 1, 2009): 409. http://dx.doi.org/10.30843/nzpp.2009.62.4858.

Full text

Abstract:

There have been relatively few attempts to eradicate plant pathogens once they have established themselves in New Zealand However when concerted attempts are made very often there have been some notable successes (eg citrus canker and common smut of maize) For a successful eradication of a plant pathogen simple practical tools are needed This research describes a series of experimental applications demonstrating the potential to eradicate seedborne fungal and bacterial pathogens and nematode incursions In simulated incursions seedborne pathogens of celery were eradicated from experimental plots using solarisation and spray chemicals singly or in combination In a simulated cyst nematode incursion Globodera rostochiensis was successfully controlled using heat treatment rather than chemical pesticides Variations on these methods could be tailored to contain and eradicate biosecurity incursions

APA, Harvard, Vancouver, ISO, and other styles

8

Kuo, Yen-Wen, and Bryce W. Falk. "RNA interference approaches for plant disease control." BioTechniques 69, no. 6 (December 2020): 469–77. http://dx.doi.org/10.2144/btn-2020-0098.

Full text

Abstract:

Plant diseases caused by a variety of pathogens can have severe effects on crop plants and even plants in natural ecosystems. Despite many effective conventional approaches to control plant diseases, new, efficacious, environmentally sound and cost-effective approaches are needed, particularly with our increasing human population and the effects on crop production and plant health caused by climate change. RNA interference (RNAi) is a gene regulation and antiviral response mechanism in eukaryotes; transgenic and non transgenic plant-based RNAi approaches have shown great effectiveness and potential to target specific plant pathogens and help control plant diseases, especially when no alternatives are available. Here we discuss ways in which RNAi has been used against different plant pathogens, and some new potential applications for plant disease control.

APA, Harvard, Vancouver, ISO, and other styles

9

de Nooij, M. P., W. H. van der Putten, and R. Campbell. "Biological Control of Microbial Plant Pathogens." Journal of Applied Ecology 27, no. 3 (December 1990): 1090. http://dx.doi.org/10.2307/2404399.

Full text

APA, Harvard, Vancouver, ISO, and other styles

10

Thomashow, Linda S. "Biological control of plant root pathogens." Current Opinion in Biotechnology 7, no. 3 (June 1996): 343–47. http://dx.doi.org/10.1016/s0958-1669(96)80042-5.

Full text

APA, Harvard, Vancouver, ISO, and other styles

11

Dodd, J. C. "Biological control of microbial plant pathogens." Physiological and Molecular Plant Pathology 37, no. 2 (August 1990): 153–54. http://dx.doi.org/10.1016/0885-5765(90)90007-k.

Full text

APA, Harvard, Vancouver, ISO, and other styles

12

Frampton, Rebekah A., Andrew R. Pitman, and Peter C. Fineran. "Advances in Bacteriophage-Mediated Control of Plant Pathogens." International Journal of Microbiology 2012 (2012): 1–11. http://dx.doi.org/10.1155/2012/326452.

Full text

Abstract:

There is continuing pressure to maximise food production given a growing global human population. Bacterial pathogens that infect important agricultural plants (phytopathogens) can reduce plant growth and the subsequent crop yield. Currently, phytopathogens are controlled through management programmes, which can include the application of antibiotics and copper sprays. However, the emergence of resistant bacteria and the desire to reduce usage of toxic products that accumulate in the environment mean there is a need to develop alternative control agents. An attractive option is the use of specific bacteriophages (phages), viruses that specifically kill bacteria, providing a more targeted approach. Typically, phages that target the phytopathogen are isolated and characterised to determine that they have features required for biocontrol. In addition, suitable formulation and delivery to affected plants are necessary to ensure the phages survive in the environment and do not have a deleterious effect on the plant or target beneficial bacteria. Phages have been isolated for different phytopathogens and have been used successfully in a number of trials and commercially. In this paper, we address recent progress in phage-mediated control of plant pathogens and overcoming the challenges, including those posed by CRISPR/Cas and abortive infection resistance systems.

APA, Harvard, Vancouver, ISO, and other styles

13

Hoagland, Robert E. "Chemical Interactions with Bioherbicides to Improve Efficacy." Weed Technology 10, no. 3 (September 1996): 651–74. http://dx.doi.org/10.1017/s0890037x00040586.

Full text

Abstract:

Bioherbicides can be defined as plant pathogens, phytotoxins derived from pathogens or other microorganisms, augmentatively applied to control weeds. Although many pathogens with bioherbicidal potential have been discovered, most lack sufficient aggressiveness to overcome weed defenses to achieve adequate control. Plants use various physical and biochemical mechanisms to defend against pathogen infectivity, including callose deposition, hydroxyproline-rich glycoprotein accumulation, pathogenesis-related proteins (PR-proteins), phytoalexin production, lignin and phenolic formation, and free radical generation. Some herbicides, plant growth regulators, specific enzyme inhibitors, and other chemicals can alter these defenses. Various pathogens also produce chemical suppressors of plant defenses. Secondary plant metabolism is a major biochemical pathway related to several defense processes. Increased activity of a key enzyme of this pathway, phenylalanine ammonia-lyase (PAL), is often a response to pathogen attack, as demonstrated in two weeds and their associated bioherbicidal pathogens:Alternaria cassiaeon sicklepod andA. crassaon jimsonweed. Weakening of physical and biochemical defenses, and lowering of resistance to pathogen attack, may result from reduced production of phenolics, lignin, and phytoalexins caused by herbicides and other chemicals that affect cuticular component biosynthesis and/or key aspects of secondary plant metabolism. Potent PAL inhibitors [aminooxyacetic acid, α-aminooxy-β-phenylpropionic acid, and (l-amino-2-phenylethyl)phosphonic acid] have some regulatory action on secondary plant metabolism and pathogenicity. Various herbicides and other chemicals dramatically affect extractable PAL activity levels and/or substantially alter PAL product production. Some non-pathogenic organisms can alter herbicide efficacy, and some herbicides influence disease development in plants. Research has shown some synergistic interactions of microbes and chemicals with relevance to weed control. Further research on pathogen interactions with agrochemicals (or other chemicals/regulators) could result in increased efficacy of pathogen-herbicide combinations, reduction of herbicide and pathogen levels required for weed control, and expanded pathogen host range.

APA, Harvard, Vancouver, ISO, and other styles

14

Pennucci, Annamarie. "INTRA-NURSERY SPREAD OF PLANT PATHOGENS: A CASE FOR EXCLUSION AND SANITATION AS DISEASE CONTROL METHODOLOGIES." HortScience 31, no. 6 (October 1996): 913E—913. http://dx.doi.org/10.21273/hortsci.31.6.913e.

Full text

Abstract:

Four novel and five commonly occurring diseases of ornamental nursery stock were evaluated for patterns of dissemination and rapidity of movement within a commercial nursery. Newly acquired but infected nursery stock provided a readily available inoculum source. Dissemination, pathogen movement, and disease development were positively correlated to minimal plant proximities, overhead irrigation, and communal root or soil environments. Water containment and recycling systems allowed movement of waterborne pathogens between plants on the same bench, in the same row, or on contiguous sheets of plastic or landscape fabric. Diseased plants located above uninfected stock or upstream or inside overhead irrigation systems provided a source for rapid aerial spread of conidia. Detached diseased plant parts provided rapid physical movement of pathogens and disease developed despite applications of fungicides. Exclusion of diseased plant materials accompanied by rigorous sanitation offer important means of limiting pathogen movement within the nursery.

APA, Harvard, Vancouver, ISO, and other styles

15

Goss, Erica M., Amy E. Kendig, Ashish Adhikari, Brett Lane, Nicholas Kortessis, Robert D. Holt, Keith Clay, Philip F. Harmon, and S. Luke Flory. "Disease in Invasive Plant Populations." Annual Review of Phytopathology 58, no. 1 (August 25, 2020): 97–117. http://dx.doi.org/10.1146/annurev-phyto-010820-012757.

Full text

Abstract:

Non-native invasive plants can establish in natural areas, where they can be ecologically damaging and costly to manage. Like cultivated plants, invasive plants can experience a relatively disease-free period upon introduction and accumulate pathogens over time. Diseases of invasive plant populations are infrequently studied compared to diseases of agriculture, forestry, and even native plant populations. We evaluated similarities and differences in the processes that are likely to affect pathogen accumulation and disease in invasive plants compared to cultivated plants, which are the dominant focus of the field of plant pathology. Invasive plants experience more genetic, biotic, and abiotic variation across space and over time than cultivated plants, which is expected to stabilize the ecological and evolutionary dynamics of interactions with pathogens and possibly weaken the efficacy of infectious disease in their control. Although disease is expected to be context dependent, the widespread distribution of invasive plants makes them important pathogen reservoirs. Research on invasive plant diseases can both protect crops and help manage invasive plant populations.

APA, Harvard, Vancouver, ISO, and other styles

16

Heck, Michelle. "Insect Transmission of Plant Pathogens: a Systems Biology Perspective." mSystems 3, no. 2 (March 20, 2018): e00168-17. http://dx.doi.org/10.1128/msystems.00168-17.

Full text

Abstract:

ABSTRACT Insect-vectored pathogens pose one of the greatest threats to plant and animal, including human, health on a global scale. Few effective control strategies have been developed to thwart the transmission of any insect-transmitted pathogen. Most have negative impacts on the environment and human health and are unsustainable. Plant pathogen transmission by insect vectors involves a combination of coevolving biological players: plant hosts, insect vectors, plant pathogens, and bacterial endosymbionts harbored by the insect. Our ability to help growers to control vector-borne disease depends on our ability to generate pathogen- and/or disease-resistant crops by traditional or synthetic approaches and to block pathogen transmission by the insect vector. Systems biology studies have led to the reexamination of existing paradigms on how pathogens interact with insect vectors, including the bacterial symbionts, and have identified vector-pathogen interactions at the molecular and cellular levels for the development of novel transmission interdiction strategies.

APA, Harvard, Vancouver, ISO, and other styles

17

Çelik Oğuz, Arzu, and Aziz Karakaya. "Genetic Diversity of Barley Foliar Fungal Pathogens." Agronomy 11, no. 3 (February 27, 2021): 434. http://dx.doi.org/10.3390/agronomy11030434.

Full text

Abstract:

Powdery mildew, net blotch, scald, spot blotch, barley stripe, and leaf rust are important foliar fungal pathogens of barley. Fungal leaf pathogens negatively affect the yield and quality in barley plant. Virulence changes, which can occur in various ways, may render resistant plants to susceptible ones. Factors such as mutation, population size and random genetic drift, gene and genotype flow, reproduction and mating systems, selection imposed by major gene resistance, and quantitative resistance can affect the genetic diversity of the pathogenic fungi. The use of fungicide or disease-resistant barley genotypes is an effective method of disease control. However, the evolutionary potential of pathogens poses a risk to overcome resistance genes in the plant and to neutralize fungicide applications. Factors affecting the genetic diversity of the pathogen fungus may lead to the emergence of more virulent new pathotypes in the population. Understanding the factors affecting pathogen evolution, monitoring pathogen biology, and genetic diversity will help to develop effective control strategies.

APA, Harvard, Vancouver, ISO, and other styles

18

Parvaiz, Aqsa, Ghulam Mustafa, and Faiz A. Joyia. "UNDERSTANDING INVASIVE PLANT MYCOPARASITES AND THEIR REMEDY THROUGH ADVANCED MOLECULAR APPROACHES." Pakistan Journal of Phytopathology 30, no. 2 (December 27, 2018): 213. http://dx.doi.org/10.33866/phytopathol.030.02.0452.

Full text

Abstract:

Fungi are historically notorious pests that have threatened availability of quality food. Several invasive species have appeared to be destructive for valuable crop species and even led to famine in certain severe cases. Surveillance and eradication of these disastrous microbial invaders is dependent on their sentinel behavior. Molecular Biology has helped to great extent in understanding these epidemic agents. Plant defense system as well as plant microbe interaction have well been explored and proved quite fruitful in understanding metabolic pathways involved in pathogenesis and defense response. Ultimately, researchers are able to define strategies for the control of these invasive pathogens. Genome editing has successfully been employed to develop pathogen resistant crops. Antifungal proteins have been expressed through transgenic technology to develop disease resistant plants. A few have proved to be the real success stories whereas others are at the stage of infancy. This review is an update about research work accomplished to-date, for the characterization and identification of fungal pathogens, metabolic pathways activated during plant pathogen interaction, advancements in the detection of fungal pathogens and transgenic plants developed to withstand pathogen attack.

APA, Harvard, Vancouver, ISO, and other styles

19

Abd Murad, Nur Baiti, Muskhazli Mustafa, Khozirah Shaari, and Nur Ain Izzati Mohd Zainudin. "Antifungal Activity of Aqueous Plant Extracts and Effects on Morphological and Germination of Fusarium Fruit Rot Pathogens." Sains Malaysiana 50, no. 6 (June 30, 2021): 1589–98. http://dx.doi.org/10.17576/jsm-2021-5006-07.

Full text

Abstract:

Fusarium fruit rot caused by fusarium species pathogens can be considered a threat to economic loss. The use of synthetic antifungals to control the pathogens has failed to the development of resistance of pathogens. Previous studies reported that plant extracts may contain various bioactive constituents that are able to control pathogen growth. Hence, the aims of this study are to examine the inhibition activity of some plant fresh extracts on mycelial growth and morphological changes of Fusarium oxysporum, F. proliferatum, and f. solani, causal agents of Fusarium fruit rot. Aqueous extract of selected plants was evaluated for their inhibition activity against all the three fusarium pathogens under in vitro condition using poisoned food bioassay. Averrhoa bilimbi fruit extract demonstrated a highly significant effect against mycelial growth of the pathogens with fungal inhibition percentage of 80.51% for F. oxysporum, 61.28% for F. proliferatum and 58.97% for f. solani. The results showed that the highest formation of 100% extract has lowered the conidia concentration and germination percentage of F. oxysporum (35.43%), F. proliferatum (47.61%), and f. solani (38.67%) compared to the control. Significant shriveled mycelia were observed via scanning electron microscope (SEM) on the pathogens treated with a. bilimbi extract, indicating morphological changes occurred in the cell membrane compared to the control in which the mycelia were in normal form. This innovation, which can be prepared and applied at home, has the potential as an eco-friendly and a benign approach to control fruit rot pathogen.

APA, Harvard, Vancouver, ISO, and other styles

20

Corrêa, Joze Aparecida Marciano, Diana Fortkamp, Camila Furtunato da Silva, Flávio Rocha, Luiz Humberto Gomes, Keila Maria Roncato Duarte, Antonio Gilberto Ferreira, and Simone Possedente de Lira. "Biological activity of 7beta-acetoxywithanolide D isolated from Acnistus arborescens." Semina: Ciências Agrárias 39, no. 6 (November 30, 2018): 2835. http://dx.doi.org/10.5433/1679-0359.2018v39n6p2835.

Full text

Abstract:

Many oomycete species are plant pathogens and are responsible for causing significant losses in agriculture. Currently, plant pathogen control is carried out by chemical, biological and physical methods. However, due to the development of resistance to these methods by some pathogens, it is imperative that alternative methods are developed. Brazilian biodiversity is well-known for its species richness and is considered a promising source of natural products. Among the vascular plants, the family Solanaceae A. Juss. (Solanaceae) is considered one of the largest, with distributions across all tropical and temperate regions of the world. The Solanaceae family presents a high diversity of species of economic importance as sources of food, medicinal and ornamental properties. Plants of this family are sources of secondary metabolites of various chemical classes that possess potential diverse applications. Therefore, chemical and biological investigations of these compounds are extremely important as they present alternatives for their potential use in the control of plant pathogens. Here, we report for the first time, the biological activity of 7beta-acetoxywithanolide D, a compound isolated from Acnistus arborescens, against the oomycete Phytophthora cinnamomi. With these results, we emphasize the importance of such studies on plant secondary metabolites, which may present coadjuvant options in the control of plant pathogens.

APA, Harvard, Vancouver, ISO, and other styles

21

Mortensen, K. "Biological control of weeds with plant pathogensBiological control of weeds with plant pathogens." Canadian Journal of Plant Pathology 8, no. 2 (June 1986): 229–31. http://dx.doi.org/10.1080/07060668609501832.

Full text

APA, Harvard, Vancouver, ISO, and other styles

22

Shearer, Judy F. "A Historical Perspective of Pathogen Biological Control of Aquatic Plants." Weed Technology 24, no. 2 (June 2010): 202–7. http://dx.doi.org/10.1614/wt-d-09-00001.1.

Full text

Abstract:

Pathogens were not seriously considered as biological control agents for aquatic plants in the United States until the Chesapeake Bay Eurasian watermilfoil decline occurred in the 1960s. The decline and suggestion that it was induced by pathogens spawned interest in the use of pathogens as biological control agents for nuisance aquatic species. In the years that followed, emphasis was placed on finding pathogen agents for some of the most problematic aquatic weeds, including waterhyacinth, Eurasian watermilfoil, and hydrilla. The scientist that has contributed the most to our knowledge of pathogen biological control in aquatic plants has been Dr. Raghavan Charudattan (University of Florida, Gainesville, FL). For the past 40 yr, he has authored or coauthored more than 50 manuscripts devoted to the subject in peer-reviewed journals, books, and proceedings.

APA, Harvard, Vancouver, ISO, and other styles

23

Shahrtash, Maryam, and Shawn P. Brown. "A Path Forward: Promoting Microbial-Based Methods in the Control of Invasive Plant Species." Plants 10, no. 5 (May 9, 2021): 943. http://dx.doi.org/10.3390/plants10050943.

Full text

Abstract:

In this review, we discuss the unrealized potential of incorporating plant–microbe and microbe–microbe interactions into invasive plant management strategies. While the development of this as a viable strategy is in its infancy, we argue that incorporation of microbial components into management plans should be a priority and has great potential for diversifying sustainable control options. We advocate for increased research into microbial-mediated phytochemical production, microbial controls to reduce the competitiveness of invasive plants, microbial-mediated increases of herbicidal tolerance of native plants, and to facilitate increased pathogenicity of plant pathogens of invasive plants.

APA, Harvard, Vancouver, ISO, and other styles

24

Raupach, Georg S., and Joseph W. Kloepper. "Mixtures of Plant Growth-Promoting Rhizobacteria Enhance Biological Control of Multiple Cucumber Pathogens." Phytopathology® 88, no. 11 (November 1998): 1158–64. http://dx.doi.org/10.1094/phyto.1998.88.11.1158.

Full text

Abstract:

Plant growth-promoting rhizobacteria (PGPR) strains INR7 (Bacillus pumilus), GB03 (Bacillus subtilis), and ME1 (Curtobacterium flaccumfaciens) were tested singly and in combinations for biological control against multiple cucumber pathogens. Investigations under greenhouse conditions were conducted with three cucumber pathogens—Colletotrichum orbiculare (causing anthracnose), Pseudomonas syringae pv. lachrymans (causing angular leaf spot), and Erwinia tracheiphila(causing cucurbit wilt disease)—inoculated singly and in all possible combinations. There was a general trend across all experiments toward greater suppression and enhanced consistency against multiple cucumber pathogens using strain mixtures. The same three PGPR strains were evaluated as seed treatments in two field trials over two seasons, and two strains, IN26 (Burkholderia gladioli) and INR7 also were tested as foliar sprays in one of the trials. In the field trials, the efficacy of induced systemic resistance activity was determined against introduced cucumber pathogens naturally spread within plots through placement of infected plants into the field to provide the pathogen inoculum. PGPR-mediated disease suppression was observed against angular leaf spot in 1996 and against a mixed infection of angular leaf spot and anthracnose in 1997. The three-way mixture of PGPR strains (INR7 plus ME1 plus GB03) as a seed treatment showed intensive plant growth promotion and disease reduction to a level statistically equivalent to the synthetic elicitor Actigard applied as a spray.

APA, Harvard, Vancouver, ISO, and other styles

25

Mugao, Lydia G. "In-vitro Activity of Selected Plant Extracts on Post-Harvest Pathogens Causing Tomato Fruit Rot." Journal of Phytopharmacology 10, no. 4 (July 12, 2021): 236–41. http://dx.doi.org/10.31254/phyto.2021.10404.

Full text

Abstract:

Most researchers have majored on research to improve tomato production while neglecting post-harvest issues. Control of the post-harvest diseases in tomato is by use of synthetic pesticides. However, current research shows that pesticides are toxic with long residue effect. Some of the products are rejected in the market due to high chemical residue levels resulting to losses. A sustainable solution to this problem can be obtained from bio-controls that are environmental friendly. In this study, three different crude plant extracts (ginger rhizomes, neem leaves and garlic bulbs) were evaluated in-vitro at different concentrations for the control of pathogens causing tomato post-harvest rots. The used concentrations were: 1, 2, and 3mg/ml. The isolated and identified pathogen species used in this study were Fusarium, Rhizopus, and Geotrichum. Pathogen growth media (Potato Dextrose Agar) were amended with the different concentrations of the selected crude plant extracts and the pathogens introduced into the media. Radial growth of the fungal pathogens was measured at an interval of twenty four hours after the second day for seven days and was compared with the control. Results showed that all extracts’ concentrations had antimicrobial effect against the test pathogens with garlic having the highest bio-control activity. However, the antimicrobial effect varied with the concentration and the plant species. From the study it is evident that plant extracts can be used as safe alternatives for management of post-harvest rot causing pathogens in tomato fruits thus safeguarding the human health and the environment

APA, Harvard, Vancouver, ISO, and other styles

26

Shrestha, Anupama, Sung Hee Park, Bhushan Shrestha, Kangmin Kim, Jong Chan Chae, and Kui Jae Lee. "Biological Control of Oomycetous Plant Pathogens: A Review." Nepal Journal of Science and Technology 15, no. 1 (February 4, 2015): 157–66. http://dx.doi.org/10.3126/njst.v15i1.12033.

Full text

Abstract:

Oomycetes are generally known as water molds, and include diverse plant pathogenic organisms. In this review, wesummarized plant diseases mainly caused by oomycetes and highlighted ongoing trends in controlling and managingthese pathogens using eco-friendly ways.DOI: http://dx.doi.org/10.3126/njst.v15i1.12033Nepal Journal of Science and TechnologyVol. 15, No.1 (2014) 157-166

APA, Harvard, Vancouver, ISO, and other styles

27

Cook, R. James. "Biological Control of Plant Pathogens: Theory to Application." Phytopathology 75, no. 1 (1985): 25. http://dx.doi.org/10.1094/phyto-75-25.

Full text

APA, Harvard, Vancouver, ISO, and other styles

28

Plumb, R. T. "Book Review: Biological Control of Microbial plant Pathogens." Outlook on Agriculture 19, no. 2 (June 1990): 132. http://dx.doi.org/10.1177/003072709001900216.

Full text

APA, Harvard, Vancouver, ISO, and other styles

29

Baker, K. F. "Evolving Concepts of Biological Control of Plant Pathogens." Annual Review of Phytopathology 25, no. 1 (September 1987): 67–85. http://dx.doi.org/10.1146/annurev.py.25.090187.000435.

Full text

APA, Harvard, Vancouver, ISO, and other styles

30

Rushton, Paul J., and Imre E. Somssich. "Transcriptional control of plant genes responsive to pathogens." Current Opinion in Plant Biology 1, no. 4 (August 1998): 311–15. http://dx.doi.org/10.1016/1369-5266(88)80052-9.

Full text

APA, Harvard, Vancouver, ISO, and other styles

31

Fira, Djordje, Ivica Dimkić, Tanja Berić, Jelena Lozo, and Slaviša Stanković. "Biological control of plant pathogens by Bacillus species." Journal of Biotechnology 285 (November 2018): 44–55. http://dx.doi.org/10.1016/j.jbiotec.2018.07.044.

Full text

APA, Harvard, Vancouver, ISO, and other styles

32

HYAKUMACHI, Mitsuro. "Studies of Biological Control of Soilborne Plant Pathogens." Journal of General Plant Pathology 66, no. 3 (August 2000): 272–74. http://dx.doi.org/10.1007/pl00012959.

Full text

APA, Harvard, Vancouver, ISO, and other styles

33

Reeleder, R. D. "Fungal plant pathogens and soil biodiversity." Canadian Journal of Soil Science 83, Special Issue (August 1, 2003): 331–36. http://dx.doi.org/10.4141/s01-068.

Full text

Abstract:

The role of biodiversity as it affects the control of soil-borne fungal pathogens is discussed. Soil-borne fungal plant pathogens have often proven difficult to manage with conventional methods of disease control. Nonetheless, researchers have characterized several naturally occurring “disease-suppressive” soils where crop loss from disease is less than would otherwise be expected. Suppressive soils can also result from the incorporation of various amendments into soil. In most cases, disease control in such soils has been shown to be biological in nature; that is, soil organisms appear to directly or indirectly inhibit the development of disease. Increased knowledge of the identity and functioning of these organisms may support the development of techniques that can be used to develop suppressiveness in soils that are otherwise disease-conducive. Populations of pathogens themselves have been shown to exhibit considerable genetic diversity; the ability of populations to respond to disease control measures should be considered when developing a management strategy. New molecular techniques can be exploited to better characterize soil communities, including the pathogens themselves, as well as community responses to various disease control options. The contributions of Canadian researchers to these areas are discussed and models for further study are proposed. Key words: Biocontrol, molecular technologies, functional diversity, integrated pest management

APA, Harvard, Vancouver, ISO, and other styles

34

Whipps, J. M., S. P. Budge, and M. P. McQuilken. "Control of fungal pathogens — preharvest." Phytoparasitica 20, S1 (March 1992): S107—S111. http://dx.doi.org/10.1007/bf02980419.

Full text

APA, Harvard, Vancouver, ISO, and other styles

35

Leifert, C., D. C. Sigee, H. A. S. Epton, R. Stanley, and C. Knight. "Control of fungal pathogens — postharvest." Phytoparasitica 20, S1 (March 1992): S143—S148. http://dx.doi.org/10.1007/bf02980426.

Full text

APA, Harvard, Vancouver, ISO, and other styles

36

Janni, Michela, Luca Sella, Francesco Favaron, Ann E. Blechl, Giulia De Lorenzo, and Renato D'Ovidio. "The Expression of a Bean PGIP in Transgenic Wheat Confers Increased Resistance to the Fungal Pathogen Bipolaris sorokiniana." Molecular Plant-Microbe Interactions® 21, no. 2 (February 2008): 171–77. http://dx.doi.org/10.1094/mpmi-21-2-0171.

Full text

Abstract:

A possible strategy to control plant pathogens is the improvement of natural plant defense mechanisms against the tools that pathogens commonly use to penetrate and colonize the host tissue. One of these mechanisms is represented by the host plant's ability to inhibit the pathogen's capacity to degrade plant cell wall polysaccharides. Polygalacturonase-inhibiting proteins (PGIP) are plant defense cell wall glycoproteins that inhibit the activity of fungal endopolygalacturonases (endo-PGs). To assess the effectiveness of these proteins in protecting wheat from fungal pathogens, we produced a number of transgenic wheat lines expressing a bean PGIP (PvPGIP2) having a wide spectrum of specificities against fungal PGs. Three independent transgenic lines were characterized in detail, including determination of the levels of PvPGIP2 accumulation and its subcellular localization and inhibitory activity. Results show that the transgene-encoded protein is correctly secreted into the apoplast, maintains its characteristic recognition specificities, and endows the transgenic wheat with new PG recognition capabilities. As a consequence, transgenic wheat tissue showed increased resistance to digestion by the PG of Fusarium moniliforme. These new properties also were confirmed at the plant level during interactions with the fungal pathogen Bipolaris sorokiniana. All three lines showed significant reductions in symptom progression (46 to 50%) through the leaves following infection with this pathogen. Our results illustrate the feasibility of improving wheat's defenses against pathogens by expression of proteins with new capabilities to counteract those produced by the pathogens.

APA, Harvard, Vancouver, ISO, and other styles

37

Vadivu G, Nadana Raja. "Isolation of Pseudomonas Species from Rhizospheric Soil and its Antagonistic Effect on Plant Pathogen." International Journal for Research in Applied Science and Engineering Technology 9, no. VII (July 25, 2021): 2405–8. http://dx.doi.org/10.22214/ijraset.2021.36902.

Full text

Abstract:

The pathogen attack on plants (such as tubers and small plants) has substantially progressed by 60% irrespective of even when the plants have strong immune system for the past five decades. It drastically affects the plant growth, yield and production. Certain pesticides and fertilizers have been tried to control the progressing pathogenic microorganisms. Although these measures have proved worthless due to the resistance shown by those pathogens and resulted in environmental pollution over a period of time. Bio control measures are well appreciated as it is ecofriendly. Antagonist microorganism (bacteria, fungi) will be used to suppress the growth of the invading pathogens. In this study, Pseudomonas species , were screened from rhisozpheric soill from the local region of Srivilliputhur. Eleven isolates from rhizospheric soil were screened and characterized by Gram staining, catalase test, Voges-Proskauer test, and oxidase test. The morphological studies of all the screened Pseudomonas isolates were observed as Gram negative. Further, all the isolates were found to be catalase positive and negative for VP test. The isolates were subjected to antagonistic effect on plant fungal pathogen such as Rhizoctonia solani. Among eleven Pseudomonas isolates four isolates showed antagonistic effect against R.solani. In the present investigation, four isolates showed potent antagonistic effect and could be used as effective bio-control agent against plant fungal pathogen R.solani.

APA, Harvard, Vancouver, ISO, and other styles

38

Gupta, Aarti, Mamta Bhardwaj, and Lam-Son Phan Tran. "Jasmonic Acid at the Crossroads of Plant Immunity and Pseudomonas syringae Virulence." International Journal of Molecular Sciences 21, no. 20 (October 11, 2020): 7482. http://dx.doi.org/10.3390/ijms21207482.

Full text

Abstract:

Sensing of pathogen infection by plants elicits early signals that are transduced to affect defense mechanisms, such as effective blockage of pathogen entry by regulation of stomatal closure, cuticle, or callose deposition, change in water potential, and resource acquisition among many others. Pathogens, on the other hand, interfere with plant physiology and protein functioning to counteract plant defense responses. In plants, hormonal homeostasis and signaling are tightly regulated; thus, the phytohormones are qualified as a major group of signaling molecules controlling the most widely tinkered regulatory networks of defense and counter-defense strategies. Notably, the phytohormone jasmonic acid mediates plant defense responses to a wide array of pathogens. In this review, we present the synopsis on the jasmonic acid metabolism and signaling, and the regulatory roles of this hormone in plant defense against the hemibiotrophic bacterial pathogen Pseudomonas syringae. We also elaborate on how this pathogen releases virulence factors and effectors to gain control over plant jasmonic acid signaling to effectively cause disease. The findings discussed in this review may lead to ideas for the development of crop cultivars with enhanced disease resistance by genetic manipulation.

APA, Harvard, Vancouver, ISO, and other styles

39

Li, Xiaohui, Hejing Zhao, and Xiaolin Chen. "Screening of Marine Bioactive Antimicrobial Compounds for Plant Pathogens." Marine Drugs 19, no. 2 (January 28, 2021): 69. http://dx.doi.org/10.3390/md19020069.

Full text

Abstract:

Plant diseases have been threatening food production. Controlling plant pathogens has become an important strategy to ensure food security. Although chemical control is an effective disease control strategy, its application is limited by many problems, such as environmental impact and pathogen resistance. In order to overcome these problems, it is necessary to develop more chemical reagents with new functional mechanisms. Due to their special living environment, marine organisms have produced a variety of bioactive compounds with novel structures, which have the potential to develop new fungicides. In the past two decades, screening marine bioactive compounds to inhibit plant pathogens has been a hot topic. In this review, we summarize the screening methods of marine active substances from plant pathogens, the identification of marine active substances from different sources, and the structure and antibacterial mechanism of marine active natural products. Finally, the application prospect of marine bioactive substances in plant disease control was prospected.

APA, Harvard, Vancouver, ISO, and other styles

40

VALE, FRANCISCO XAVIER RIBEIRO DO, J. E. PARLEVLIET, and LAÉRCIO ZAMBOLIM. "Concepts in plant disease resistance." Fitopatologia Brasileira 26, no. 3 (September 2001): 577–89. http://dx.doi.org/10.1590/s0100-41582001000300001.

Full text

Abstract:

Resistance to nearly all pathogens occurs abundantly in our crops. Much of the resistance exploited by breeders is of the major gene type. Polygenic resistance, although used much less, is even more abundantly available. Many types of resistance are highly elusive, the pathogen apparently adapting very easily them. Other types of resistance, the so-called durable resistance, remain effective much longer. The elusive resistance is invariably of the monogenic type and usually of the hypersensitive type directed against specialised pathogens. Race-specificity is not the cause of elusive resistance but the consequence of it. Understanding acquired resistance may open interesting approaches to control pathogens. This is even truer for molecular techniques, which already represent an enourmously wide range of possibilities. Resistance obtained through transformation is often of the quantitative type and may be durable in most cases.

APA, Harvard, Vancouver, ISO, and other styles

41

Feng, Wenzhuo, Ayaka Hieno, Mikio Kusunoki, Haruhisa Suga, and Koji Kageyama. "LAMP Detection of Four Plant-Pathogenic Oomycetes and Its Application in Lettuce Fields." Plant Disease 103, no. 2 (February 2019): 298–307. http://dx.doi.org/10.1094/pdis-05-18-0858-re.

Full text

Abstract:

In Kagawa Prefecture, Japan, the pathogens Phytophthora pseudolactucae, Pythium irregulare, Pythium uncinulatum, and Pythium spinosum have caused huge losses in lettuce production. We used loop-mediated isothermal amplification (LAMP) to analyze soil and plants in lettuce fields for the presence of these four pathogens. To develop an effective on-site detection method, we contrasted the Plant-LAMP and Plant Culture-LAMP procedures for plant samples, and five soil DNA extraction methods for soil samples. Plant-LAMP and a Soil DNA Isolation kit were selected to analyze three fields for the pathogen species present, infected sites, and level of soil contamination. We found that the same wilting symptoms could be caused by Phytophthora or Pythium, or a mixture of species from both genera. Ph. pseudolactucae infects the pith of the lettuce in aboveground parts, whereas Pythium spp. mainly infect roots. Ph. pseudolactucae and Py. uncinulatum caused disease more frequently than the other two pathogens. Furthermore, not all of the pathogens existed in the soil near infected lettuce plants. Therefore, the LAMP method can be used to diagnose pathogenic oomycetes in the field, and will be useful in the development of control strategies in lettuce production.

APA, Harvard, Vancouver, ISO, and other styles

42

Rosskopf, Erin, Francesco Di Gioia, Jason C. Hong, Cristina Pisani, and Nancy Kokalis-Burelle. "Organic Amendments for Pathogen and Nematode Control." Annual Review of Phytopathology 58, no. 1 (August 25, 2020): 277–311. http://dx.doi.org/10.1146/annurev-phyto-080516-035608.

Full text

Abstract:

The loss of methyl bromide as a soil fumigant and minimal advances in the development and registration of new chemical fumigants has resulted in a resurgence of interest in the application of organic amendments (OAs) for soilborne plant pathogen and plant-parasitic nematode management. Significant progress has been made in the characterization of OAs, application of strategies for their use, and elucidation of mechanisms by which they suppress soilborne pests. Nonetheless, their utility is limited by the variability of disease control, expense, and the logistics of introducing them into crop production systems. Recent advances in molecular techniques have led to significant progress in the elucidation of the role of bacteria and fungi and their metabolic products on disease suppression with the addition of OAs. Biosolarization and anaerobic soil disinfestation, developed to manipulate systems and favor beneficial microorganisms to maximize their impact on plant pathogens, are built on a strong historical research foundation in OAs and the physical, chemical, and biological characteristics of disease-suppressive soils. This review focuses on recent applications of OAs and their potential for the management of soilborne plant pathogens and plant-parasitic nematodes, with emphasis primarily on annual fruit and vegetable production systems.

APA, Harvard, Vancouver, ISO, and other styles

43

Morin, Louise. "Progress in Biological Control of Weeds with Plant Pathogens." Annual Review of Phytopathology 58, no. 1 (August 25, 2020): 201–23. http://dx.doi.org/10.1146/annurev-phyto-010820-012823.

Full text

Abstract:

Plant pathogens have played an important role in weed biological control since the 1970s. So far, 36 fungal pathogens have been authorized for introduction across 18 countries for the classical biological control of weeds. Their safety record has been excellent, but questions continue to be asked about the risk that they could transfer to other plants. Quantitative data documenting their impact on the weed populations are still limited. Of the 15 bioherbicides based on living microorganisms that have ever been registered, only two were commercially available at the time of this review. The development and commercialization of bioherbicides in affluent countries are still plagued by technological hurdles and limited market potential. Not-for-profit small-scale production and distribution systems for bioherbicides in low-income countries may have potential as an inexpensive approach to controlling pervasive weeds. The types of research underpinning biological control approaches and challenges encountered are highlighted using specific examples.

APA, Harvard, Vancouver, ISO, and other styles

44

Kang, Seogchan, Jaime E. Blair, David M. Geiser, Chang-Hyun Khang, Sook-Young Park, Mark Gahegan, Kerry O'Donnell, et al. "Plant Pathogen Culture Collections: It Takes a Village to Preserve These Resources Vital to the Advancement of Agricultural Security and Plant Pathology." Phytopathology® 96, no. 9 (September 2006): 920–25. http://dx.doi.org/10.1094/phyto-96-0920.

Full text

Abstract:

Plant pathogen culture collections are essential resources in our fight against plant disease and for connecting discoveries of the present with established knowledge of the past. However, available infrastructure in support of culture collections is in serious need of improvement, and we continually face the risk of losing many of these collections. As novel and reemerging plant pathogens threaten agriculture, their timely identification and monitoring depends on rapid access to cultures representing the known diversity of plant pathogens along with genotypic, phenotypic, and epidemiological data associated with them. Archiving such data in a format that can be easily accessed and searched is essential for rapid assessment of potential risk and can help track the change and movement of pathogens. The underexplored pathogen diversity in nature further underscores the importance of cataloguing pathogen cultures. Realizing the potential of pathogen genomics as a foundation for developing effective disease control also hinges on how effectively we use the sequenced isolate as a reference to understand the genetic and phenotypic diversity within a pathogen species. In this letter, we propose a number of measures for improving pathogen culture collections.

APA, Harvard, Vancouver, ISO, and other styles

45

Mihajlovic, Milica, Emil Rekanovic, Jovana Hrustic, Mila Grahovac, and Brankica Tanovic. "Methods for management of soilborne plant pathogens." Pesticidi i fitomedicina 32, no. 1 (2017): 9–24. http://dx.doi.org/10.2298/pif1701009m.

Full text

Abstract:

Soilborne pathogens cause significant economic losses in agricultural production all over the world. These species can survive for many years in the absence of a host plant by forming persistent structures such as microsclerotia, sclerotia, chlamydospores or oospores. Consequently, soilborne diseases are particularly difficult to predict, detect, diagnose and successfully control. Over the past 30 years, a fumigant, methyl bromide, has been widely used for their control in many crops. In 1992, methyl bromide was listed as an ozone-depleting substance under the Montreal Protocol ? an international treaty to protect the ozone layer. During the phaseout of methyl bromide, problems generated in agricultural production made it clear that dependence on a single method or a single chemical should be avoided. The objective of this review paper was to summarize the current knowledge about different methods of soilborne disease control including: crop rotation, steam soil disinfection, soil amendments, hydroponics and soilless growing systems, soil solarization, grafting, biological control and use of natural compounds, and chemical control. Positive and negative aspects of all available methods were reviewed. Benefits, achieved by simultaneous application of several methods based on different mechanisms of actions, are discussed.

APA, Harvard, Vancouver, ISO, and other styles

46

Rivas-García, Tomás, Ramsés Ramón González-Estrada, Roberto Gregorio Chiquito-Contreras, Juan José Reyes-Pérez, Uriel González-Salas, Luis Guillermo Hernández-Montiel, and Bernardo Murillo-Amador. "Biocontrol of Phytopathogens under Aquaponics Systems." Water 12, no. 7 (July 21, 2020): 2061. http://dx.doi.org/10.3390/w12072061.

Full text

Abstract:

Aquaponics is an alternative method of food production that confers advantages of biological and economic resource preservations. Nonetheless, one of the main difficulties related to aquaponics systems could be the outbreak and dissemination of pathogens. Conventional treatments need to be administrated carefully because they could be harmful to human, fish, plants and beneficial microorganisms. Aquaponics practitioners are relatively helpless against plant diseases when they occur, especially in the case of root pathogens. Biological control agents (BCAs) may be an effective alternative to chemical inputs for dealing with pathogens of plants under aquaponics systems. Research of BCAs on aquaponics systems is limited, but there are numerous publications on the use of BCAs to control plant pathogens under soilless systems which confirm its potential use on aquaponics systems. The present review summarized the principal plant pathogens, the conventional and alternative BCA treatments on aquaponics systems, while considering related research on aquaculture and soilless systems (i.e., hydroponic) for its applicability to aquaponics and future perspectives related to biological control. Finally, we emphasized the case that aquaponics systems provide relatively untapped potential for research on plant biological control agents. Biological control has the potential to reduce the perturbation effects of conventional treatments on microbial communities, fish and plant physiology, and the whole function of the aquaponics system.

APA, Harvard, Vancouver, ISO, and other styles

47

Charudattan, Raghavan. "A Reflection on My Research in Weed Biological Control: Using What We Have Learned for Future Applications." Weed Technology 24, no. 2 (June 2010): 208–17. http://dx.doi.org/10.1614/wt-d-09-00012.1.

Full text

Abstract:

When I began my foray into the field of biological control of weeds in 1971, the concept of deliberately using pathogens to control weeds was novel and untested and met with skepticism and resistance. Soon, a worldwide network of plant pathologists, weed scientists, microbial technologists, formulation specialists, and regulatory personnel came together to study, develop, and apply pathogens in safe and effective ways of control of a variety of weeds in crops and natural areas. Several new weed–pathogen systems were studied; a few dozen products and pathogens were brought to use, albeit on a very small scale compared to conventional weed-control products; and along the way, some valuable lessons were learned in phytopathology and weed ecology. A seminal body of information was published on the etiology and epidemiology of several diseases of weeds, many new pathogens were discovered and described, and methods were developed for mass production, formulation, and storage of pathogens. Numerous pathogen-produced herbicidal metabolites were discovered and characterized. Protocols were developed, tested, and applied for safe importation and release of exotic pathogens and for registration of microbial herbicides. Spectacular success was achieved with some pathogens used as classical biocontrol agents, and a new class of herbicide, the bioherbicides, came on the scene. Yet some key opportunities were missed. Notably, weed biocontrol research remained largely preoccupied with agent or product development and deployment while great strides were made during this period in phytopathology to understand the genetic–molecular basis of virulence, host range, host specificity, host response to infection, cell death, and pathogen population structure. Nevertheless, the accomplishments in the field of weed biocontrol by pathogens are truly significant. Certainly, we are poised to apply the knowledge gained toward discovery and development of additional weed-control pathogens, but increased effort should be directed also at using pathogen genes, gene products, and genetic mechanisms for weed control. An investment in the latter could help us gain insights into genetically programmed host–pathogen interactions that may be exploited to kill weeds, restrain weed growth, or knock out traits for invasiveness. In our continuing struggle to manage weeds, biocontrol with pathogens should remain a major thrust. Here I present perceptions I have gained from the work that my students, postdoctoral and technical associates, colleagues, and I have done with several weed–pathogen systems.

APA, Harvard, Vancouver, ISO, and other styles

48

Kim, Keun-Ki, Yong-Chul Kim, Young-Whan Choi, Taek-Sun Sin, Ki-Do Park, Ui-Gum Kang, Yong-Lark Choi, and Hyean-Cheal Park. "Biological Control of Plant Pathogens by Bacillus sp. AB02." Journal of Life Science 18, no. 6 (June 30, 2008): 858–64. http://dx.doi.org/10.5352/jls.2008.18.6.858.

Full text

APA, Harvard, Vancouver, ISO, and other styles

49

Bruehl, G. W. "Integrated control of soil-borne plant pathogens: An overview." Canadian Journal of Plant Pathology 11, no. 2 (June 1989): 153–57. http://dx.doi.org/10.1080/07060668909501131.

Full text

APA, Harvard, Vancouver, ISO, and other styles

50

Huang, H. C. "Ecological basis of biological control of soilborne plant pathogens." Canadian Journal of Plant Pathology 14, no. 1 (March 1992): 86–91. http://dx.doi.org/10.1080/07060669209500909.

Full text

APA, Harvard, Vancouver, ISO, and other styles

Journal articles on the topic 'Control plant pathogens'

Create a spot-on reference in APA, MLA, Chicago, Harvard, and other styles