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Relevant bibliographies by topics / Plant defense chemicals

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Academic literature on the topic 'Plant defense chemicals'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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Journal articles on the topic "Plant defense chemicals"

1

Yactayo-Chang, Jessica P., Hoang V. Tang, Jorrel Mendoza, Shawn A. Christensen, and Anna K. Block. "Plant Defense Chemicals against Insect Pests." Agronomy 10, no. 8 (2020): 1156. http://dx.doi.org/10.3390/agronomy10081156.

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Insect pests cause significant global agricultural damage and lead to major financial and environmental costs. Crops contain intrinsic defenses to protect themselves from such pests, including a wide array of specialized secondary metabolite-based defense chemicals. These chemicals can be induced upon attack (phytoalexins) or are constitutive (phytoanticipins), and can have a direct impact on the pests or be used indirectly to attract their natural enemies. They form part of a global arms race between the crops and their insect pests, with the insects developing methods of suppression, avoidan

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Shrestha, Govinda, Shabeg S. Briar, and Gadi V. P. Reddy. "Plant defense elicitors: plant fitness versus wheat stem sawfly." PeerJ 6 (November 1, 2018): e5892. http://dx.doi.org/10.7717/peerj.5892.

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The wheat stem sawfly (WSS), Cephus cinctus Norton, is an important wheat pest in the Northern Great Plains of the USA. No single control measure effectively suppresses WSS damage. This study provides information on the effects on the WSS adult settling preference behavior on wheat plants under laboratory conditions from treatment with both synthetic plant defense elicitors (Actigard® and cis-jasmone) and a botanical insecticide (Azadirachtin®). In addition, field experiments were performed to determine whether these chemicals impact the WSS fitness (larval mortality and larval body weight), w

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

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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 rad

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4

Habibullah, Muhammad, Christanti Sumardiyono, and Ani Widiastuti. "Potency of Non-Fungicide Chemicals for Maize Inducing Resistance against Downy Mildew." Jurnal Perlindungan Tanaman Indonesia 24, no. 2 (2020): 154. http://dx.doi.org/10.22146/jpti.55057.

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Downy mildew disease control is a big challenge in Indonesia due to ability of pathogen adaptation and favorable environmental condition to the disease. Self-resistance induction by activating plant defense mechanism is a valuable control method to be developed in the future due to its environmentally safety. This study aimed to determine potency of non-fungicide chemicals to suppress downy mildew of maize. The tested chemicals were benzoic acid, sodium benzoic acid, salicylic acid, thiamine, saccharin, and aspirin with a concentration of 2000 ppm. Disease incidence, disease severity, disease

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Thakur, Meenakshi, and Baldev Singh Sohal. "Role of Elicitors in Inducing Resistance in Plants against Pathogen Infection: A Review." ISRN Biochemistry 2013 (January 28, 2013): 1–10. http://dx.doi.org/10.1155/2013/762412.

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Disease control is largely based on the use of fungicides, bactericides, and insecticides—chemical compounds toxic to plant invaders, causative agents, or vectors of plant diseases. However, the hazardous effect of these chemicals or their degradation products on the environment and human health strongly necessitates the search for new, harmless means of disease control. There must be some natural phenomenon of induced resistance to protect plants from disease. Elicitors are compounds, which activate chemical defense in plants. Various biosynthetic pathways are activated in treated plants depe

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Ravirala, Ramani S., Ravi D. Barabote, David M. Wheeler, et al. "Efflux Pump Gene Expression in Erwinia chrysanthemi Is Induced by Exposure to Phenolic Acids." Molecular Plant-Microbe Interactions® 20, no. 3 (2007): 313–20. http://dx.doi.org/10.1094/mpmi-20-3-0313.

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Salicylic acid (SA) is an important signaling molecule in local and systemic plant resistance. Following infection by microbial pathogens and the initial oxidative burst in plants, SA accumulation functions in the amplification of defense gene expression. Production of pathogenesis-related proteins and toxic antimicrobial chemicals serves to protect the plant from infection. Successful microbial pathogens utilize a variety of mechanisms to rid themselves of toxic antimicrobial compounds. Important among these mechanisms are multidrug-resistance pumps that bring about the active efflux of toxic

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Konno, Kotaro. "Plant latex and other exudates as plant defense systems: Roles of various defense chemicals and proteins contained therein." Phytochemistry 72, no. 13 (2011): 1510–30. http://dx.doi.org/10.1016/j.phytochem.2011.02.016.

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Yanar, Oğuzhan, and Elif Fatma Topkara. "Bitki Sekonder Maddelerinin Herbivor Böceklere Etkileri." Turkish Journal of Agriculture - Food Science and Technology 5, no. 2 (2017): 153. http://dx.doi.org/10.24925/turjaf.v5i2.153-158.987.

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Plants have developed mechanical and chemical defense strategies that are effective against herbivores. Plants contain chemicals that are known as secondary metabolites (allelochemical) and these chemicals do not directly involve in organisms’ reproduction and growth, on the other hand, they affect survival, growth and behavior of species. These compounds usually take ecological tasks and plants use these compounds against diseases, parasites, and predators for interspecies competition. It is known through the observations on feeding of herbivorous insects that these compounds act as deterrent

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Adhipathi, P., S. Nakkeeran, P. Renuka Devi, R. Velazhahan, and T. Raguchander. "PGPR Induced Differencial Expression of Defence Enzymes Regulating Resistance Against Colletotrichum Capsici in Turmeric." JOURNAL OF ADVANCES IN BIOTECHNOLOGY 4, no. 2 (2014): 358–71. http://dx.doi.org/10.24297/jbt.v4i2.5002.

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Plant growth promoting Bacillus amyloliquefaciens strain BaTNAU5 and Pseudomonas fluorescens strain Pf3TNAU were evaluated in turmeric for induction defence by differential expression of defence enzymes against Colletotrichum capsici. Further the activity and quantitative assay of the defense enzymes peroxidase (POD), polyphenol oxidase (PPO), phenylalanine ammonia lyase (PAL), Î²â€‘1,3-glucanase, chitinase, catalase and defense-inducing chemicals (total phenols) significantly increased with soil and foliar application of B. amyloliquefaciens (BaTNAU5) and P. fluorescens (Pf3TNAU). Western blo

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Kong, Chui-Hua, Tran Dang Xuan, Tran Dang Khanh, Hoang-Dung Tran, and Nguyen Thanh Trung. "Allelochemicals and Signaling Chemicals in Plants." Molecules 24, no. 15 (2019): 2737. http://dx.doi.org/10.3390/molecules24152737.

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Plants abound with active ingredients. Among these natural constituents, allelochemicals and signaling chemicals that are released into the environments play important roles in regulating the interactions between plants and other organisms. Allelochemicals participate in the defense of plants against microbial attack, herbivore predation, and/or competition with other plants, most notably in allelopathy, which affects the establishment of competing plants. Allelochemicals could be leads for new pesticide discovery efforts. Signaling chemicals are involved in plant neighbor detection or pest id

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Dissertations / Theses on the topic "Plant defense chemicals"

1

Priestley, R. A. "Phytoalexin synthesis in aggregated suspension cultures of Phaseolus vulgaris." Thesis, University of Oxford, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.382750.

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Gluck, Thaler Emile. "Computational, Evolutionary and Functional Genetic Characterization of Fungal Gene Clusters Adapted to Degrade Plant Defense Chemicals." The Ohio State University, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=osu1555406081422532.

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Heckman, Melanie L. "A test of optimal defense theory vs. the growth-differentiation balance hypothesis as predictors of seaweed palatability and defenses." Thesis, Georgia Institute of Technology, 2011. http://hdl.handle.net/1853/42720.

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Because organisms have limited resources to allocate to multiple life history traits, the Optimal Defense Theory (ODT) and the Growth-Differentiation Balance Hypothesis (GDBH) were developed by terrestrial plant ecologists to predict intraindividual defense allocation based on the cost of defense and these life history trade-offs. However, these theories have garnered equivocal experimental support over the years and are rarely experimentally extended from predictions of plant physiology to the palatability of the tissues an herbivore experiences. We therefore examined tissue palatability, n

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Prusak, Anne C. "Activated and constitutive chemical defenses in freshwater plants." Thesis, Available online, Georgia Institute of Technology, 2004:, 2004. http://etd.gatech.edu/theses/available/etd-06072004-131334/unrestricted/prusak%5Fanne%5Fc%5F200405%5Fms.pdf.

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Majorczyk, Alexis M. "Chemical Defense Mechanisms of Arabidopsis thaliana Against Insect Herbivory: The Role of Glucosinolate Hydrolysis Products." Bowling Green, Ohio : Bowling Green State University, 2009. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=bgsu1249513273.

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Dewhirst, Sarah Yvonne. "Aspects of aphid chemical ecology : sex pheromones and induced plant defences." Thesis, Imperial College London, 2008. http://hdl.handle.net/10044/1/11485.

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Hartley, S. E. "Rapidly induced chemical changes in birch foliage : Their biochemical nature and impact on insect herbivores." Thesis, University of York, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.381348.

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Foster, Rosie. "Plants signalling to herbivores : is there a link between chemical defence and visual cues?" Thesis, University of Sussex, 2013. http://sro.sussex.ac.uk/id/eprint/45168/.

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The use of visual cues by insect herbivores is likely to be an important component of plant-herbivore interactions in the wild, yet has until recently received little attention from researchers. In the last decade, however, interest in this topic has intensified following Hamilton & Brown's (2001) autumn colouration hypothesis, which proposes that the intensity of colouration of trees at autumn time is a signal of their defensive commitment to potential herbivores. This idea remains controversial and to date robust empirical data linking colouration with chemical defence and herbivory have bee

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Goodman, Keri M. "Freshwater red algae use activated chemical defenses against herbivores." Thesis, Georgia Institute of Technology, 2011. http://hdl.handle.net/1853/41208.

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Chemically mediated interactions have important ecological and evolutionary effects on populations and communities. Despite recognition that herbivory can significantly affect the biomass and composition of freshwater macrophyte communities, there are few investigations of chemical defenses among freshwater vascular plants and mosses and none of freshwater red algae. This study compares the palatability of five species of freshwater red algae (Batrachospermum helminthosum, Boldia erythrosiphon, Kumanoa sp., Paralemanea annulata, and Tuomeya americana) that occur in the southeastern United St

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Zhao, Tao. "Conifer chemical defense : Rugulation of bark beetle colonization and pheromone emission." Doctoral thesis, KTH, Organisk kemi, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-33199.

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Terpenes and phenols are of importance in conifer defense against insects and pathogens. Knowledge about tree chemical defense is vital for developing practical methods to maintain healthy forests. With the aims of characterizing the defensive chemical induction in Norway spruce Picea abies and demonstrating its ecological function to spruce bark beetle Ips typographus, we measured the terpenoid and phenolic content in the bark of mature Norway spruce trees suffering windstorm, inoculated with Ceratocystis polonica, or treated with methyl jasmonate (MeJA), and investigated the colonization and

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Books on the topic "Plant defense chemicals"

1

Mantus, Ellen Keihn. Synthesis, biological investigations, and structural elucidation of secondary plant metabolites. Cornell University, 2005.

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2

Aparicio, Flor Arias. Derecho y sanidad vegetal: Régimen de los productos fitosanitarios y otros medios de defensa fitosanitaria. Editorial Comares, 2007.

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Linke, Steven R. Managing crises in defense industry: The PEPCON and Avtex cases. Institute for National Strategic Studies, 1990.

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4

1976-, Bieber Revonna M., ed. Chemical infrastructure protection and homeland security. Government Institutes, 2009.

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5

Hayat, Shamsul. Nitric oxide in plant physiology. Wiley-Blackwell, 2010.

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6

1963-, Wood-Black Frankie K., ed. Emergency preparedness planning: A primer for chemists. American Chemical Society, 1999.

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7

Hol, Wilhelmina Hermina Geertruida. The role of pyrrolizidine alkaloids from Senecio jacobaea in the defence against fungi. Universiteit Leiden, 2003.

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8

American Institute of Chemical Engineers. Center for Chemical Process Safety. Guidelines for analyzing and managing the security vulnerabilities of fixed chemical sites. Center for Chemical Process Safety of the American Institute of Chemical Engineers, 2003.

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9

National Research Council (U.S.). Committee to Review and Assess Developmental Issues Concerning the Metal Parts Treater Design for the Blue Grass Chemical Agent Destruction Pilot Plant. Review and assessment of developmental issues concerning the metal parts treater design for the Blue Grass Chemical Agent Destruction Pilot Plant. National Academies Press, 2008.

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10

Máčel, Mirka. On the evolution of the diversity of pyrrolizidine alkaloids: The role of insects as selective forces. Universiteit Leiden, 2003.

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Book chapters on the topic "Plant defense chemicals"

1

Putz, Annika, and Peter Proksch. "Chemical Defence in Marine Ecosystems." In Functions and Biotechnology of Plant Secondary Metabolites. Wiley-Blackwell, 2010. http://dx.doi.org/10.1002/9781444318876.ch3.

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2

Goodger, Jason Q. D., and Ian E. Woodrow. "Influence of Atmospheric and Climate Change on Tree Defence Chemicals." In Plant Ecophysiology. Springer Netherlands, 2014. http://dx.doi.org/10.1007/978-94-017-9100-7_8.

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3

Dubey, N. K., Priyanka Singh, Bhanu Prakash, and Prashant K. Mishra. "Plant Chemicals in Post Harvest Technology for Management of Fungal, Mycotoxin and Insect Contamination of Food Commodities." In Plant Defence: Biological Control. Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-1933-0_8.

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Ode, Paul J. "Plant Defences and Parasitoid Chemical Ecology." In Chemical Ecology of Insect Parasitoids. John Wiley & Sons, Ltd, 2013. http://dx.doi.org/10.1002/9781118409589.ch2.

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Moreira, Xoaquín, Rafael Zas, and Luis Sampedro. "Methyl Jasmonate as Chemical Elicitor of Induced Responses and Anti-Herbivory Resistance in Young Conifer Trees." In Plant Defence: Biological Control. Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-1933-0_15.

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Yoshinaga, Naoko, and Naoki Mori. "Function of the Lepidopteran Larval Midgut in Plant Defense Mechanisms." In Chemical Ecology of Insects. CRC Press, 2018. http://dx.doi.org/10.1201/9781351228398-2.

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van Dam, Nicole M., and Sheila K. Bhairo-Marhé. "Induced chemical defence in Cynoglossum officinale." In Proceedings of the 8th International Symposium on Insect-Plant Relationships. Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-011-1654-1_24.

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Jacob, Jinu, P. Madhu, and R. Vinodh. "Role of miRNA in Plant Defense Against Insects." In Plant-Pest Interactions: From Molecular Mechanisms to Chemical Ecology. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-15-2467-7_4.

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Rook, Fred. "Metabolic Engineering of Chemical Defence Pathways in Plant Disease Control." In Plant Pathogen Resistance Biotechnology. John Wiley & Sons, Inc, 2016. http://dx.doi.org/10.1002/9781118867716.ch4.

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Hill, Martin P., and Julie A. Coetzee. "How can progress in the understanding of antagonistic interactions be applied to improve biological control of plant invasions?" In Plant invasions: the role of biotic interactions. CABI, 2020. http://dx.doi.org/10.1079/9781789242171.0363.

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Abstract Classical biological control has been used as a management tool for invasive non-native plant species globally for over 200 years. There have been some very successful programmes, most notably on waterweeds, cacti and seed reduction in perennial trees. Seventy per cent of agents released have established in at least one instance, and 66% of the targeted invasive species have showed some level of control. However, some programmes have failed to meet expectations, for example on Lantana camara. The most commonly cited reasons for the failure of establishment or limited efficacy of biological control agents are unsuitable climatic conditions and genotype incompatibility. We propose that antagonistic biotic interactions play a significant role in the outcomes of weed biological control programmes. Induced plant defences (physical and chemical) that can be mounted rapidly by the invasive non-native plants can result in the reduction in agent populations after initial attack. Rapid induction of plant defences have been implicated in the lack of long-term establishment of the agent Falconia intermedia that showed great initial promise against the widespread invasive shrub L. camara. Host range expansion by native natural enemies onto biological control agents have also been shown to reduce population growth of agents. Finally, competition from indigenous plant species aids invasive alien plant population reduction in the presence of herbivory. All three factors have been poorly studied and further work is needed to better explain the outcomes of weed biological control programmes.

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Conference papers on the topic "Plant defense chemicals"

1

Yamada, Kenji. "ER bodies are involved in chemical defense against herbivory in Brassicaceae plants." In ASPB PLANT BIOLOGY 2020. ASPB, 2020. http://dx.doi.org/10.46678/pb.20.1052958.

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2

Singh, Anuradha. "Searching for genetic evidence underlying different levels of chemical and physical defense-related mechanisms against aphids." In ASPB PLANT BIOLOGY 2020. ASPB, 2020. http://dx.doi.org/10.46678/pb.20.1007232.

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Love, John, and Doug Van Dover. "Effective protective surveillance for waterside-located chemical plants." In Defense and Security Symposium, edited by Michael J. DeWeert, Theodore T. Saito, and Harry L. Guthmuller. SPIE, 2006. http://dx.doi.org/10.1117/12.665993.

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Bocharnikova, E. "THEORY AND PRACTICE OF ENHANCED PLANT TOLERANCE TO ABIOTIC STRESSES UNDER APPLICATION OF SILICON SUBSTANCES." In Land Degradation and Desertification: Problems of Sustainable Land Management and Adaptation. LLC MAKS Press, 2020. http://dx.doi.org/10.29003/m1695.978-5-317-06490-7/141-144.

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Laboratory and field experiments evidence that silicon fertilizers contribute to plant tolerance to unfavorable growth conditions: drought, frost, salinity, heavy metal contamination, and others. Silicon-induced underlying mechanisms include thickening of the epidermal layer, enhanced root system development, chemical stability of the DNA, RNA, and chlorophyll molecules, improved transport and redistribution of elements, as well as activation of defense system in plants against oxidative damage. Application of Si fertilizers and biostimulators promoted reducing crop losses and increasing yield

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H., Johns. "FUNDAMENTAL AUTARCHICAL SCREENING AND MICROBES EXERTION OF GERMANE SYLVESTRE." In SCIENCE AND MODERN SOCIETY: CURRENT ISSUES, ACHIEVEMENTS AND INNOVATIONS. INTERNATIONAL SCIENTIFIC AND CURRENT RESEARCH CONFERENCES, 2021. http://dx.doi.org/10.37547/iscrc-intconf04-01.

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The current investigation was done to assess the autarchical and antimicrobes action of Germane sylvestre against ten microbial strains causing oral contaminations. The subjective autarchical examinations were completed after the Ukn pharmacopeia and the techniques. The MIC estimations of the plant extricates were resolved against the chose test life forms utilizing the techniques as depicted by National Committee for Chemical Laboratory Standard and the in vitro antimicrobes movement was controlled by utilizing the agar plate dissemination strategy. The autarchical investigation completed unc

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Benrey, Betty. "Tissue specific effects of plant domestication on chemical defenses: The case of beans andBrassica." In 2016 International Congress of Entomology. Entomological Society of America, 2016. http://dx.doi.org/10.1603/ice.2016.94760.

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Guppy, R. M., S. P. Vines, and S. J. Wisbey. "The Benefits of Cementitious Encapsulation Matrices for the Conditioning of Intermediate Level Waste." In ASME 2003 9th International Conference on Radioactive Waste Management and Environmental Remediation. ASMEDC, 2003. http://dx.doi.org/10.1115/icem2003-4886.

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The UK has significant quantities of radioactive waste, which have arisen over the past fifty years or so, largely as a result of nuclear power, reprocessing and defence programmes. The intermediate level wastes arising as a result of these activities, exhibit a high level of physical and chemical diversity, and must be managed safely in a way that protects existing and future generations and the environment. Development work has been conducted since the early 1980s to identify suitable conditioning materials and techniques that are compatible with the needs of safe long-term management, inclu

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Knoblach, Walter, and Peter W. Bryce. "Detection of Trace Hydrocarbons and Toxic Components in the Environment." In 2012 9th International Pipeline Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/ipc2012-90741.

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The risk of hydrocarbon and toxic spills increases with the aging of oil and chemical plant related infrastructure. The need for early detection of hydrocarbon and toxic chemical pollution is paramount, particularly in view of potential environmental damage, cleanup costs, and the loss of public confidence in industry’s ability to quickly respond to leaks. Rigorous right-of-way monitoring, control of third party activities within proximity of pipelines, in conjunction with a robust preventative maintenance program is key to leak prevention. The first line of defense in the event of a leak is e

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Shinde, Dattaji K., Fatima T. White, and Ajit D. Kelkar. "Flexural Behavior of Fiberglass Polymer Composite With and Without TEOS Electrospun Nanofibers." In ASME 2014 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/imece2014-38304.

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High specific modulus and strength are one of the most desired properties of the materials for structural applications with applications in automotive, defense, aerospace etc. The major cause of failures in composite laminates is due to delaminations. These delaminations in composite laminates can occur due to various loadings such as, low velocity impact, fatigue etc. Conventional methods have like through the thickness stitching or Z-Pinning have limitations for improving flexural and interlaminar properties in woven composites, as while improving interlaminar properties, the in plane proper

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Suo-Anttila, Ahti, K. C. Wagner, and Miles Greiner. "Analysis of Enclosure Fires Using the Isis-3D™ CFD Engineering Analysis Code." In 12th International Conference on Nuclear Engineering. ASMEDC, 2004. http://dx.doi.org/10.1115/icone12-49008.

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The Isis-3D™ computational fluid dynamics (CFD) code is currently under development for the Defense Threat Reduction Agency (DTRA) as a tool for risk assessment and engineering level analysis. It is designed to provide reasonably accurate estimates of the total heat transfer to objects from large fires under a variety of circumstances, predict the medium characteristics such as temperature and species concentration distributions, and use fairly short computer turnaround times. Isis-3D™ models liquid fuel evaporation, transport of fuel vapor, oxygen and other relevant species, reaction and heat

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Reports on the topic "Plant defense chemicals"

1

Ermold, L. F., H. H. Loo, R. D. Klingler, J. D. Herzog, and D. A. Knecht. Disposal of defense spent fuel and HLW from the Idaho Chemical Processing Plant. Office of Scientific and Technical Information (OSTI), 1992. http://dx.doi.org/10.2172/10146357.

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