Bibliografie tematiche / Plant diseases. Plants

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Letteratura scientifica selezionata sul tema "Plant diseases. Plants"

Autore: Grafiati
Pubblicato: 4 giugno 2021
Ultima modifica: 16 febbraio 2022

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Articoli di riviste sul tema "Plant diseases. Plants"

1

Ushiki, Jun, Satoshi Tahara, Yoshihiko Hayakawa e Toshiaki Tadano. "Medicinal plants for suppressing soil-borne plant diseases". Soil Science and Plant Nutrition 44, n. 2 (giugno 1998): 157–65. http://dx.doi.org/10.1080/00380768.1998.10414436.

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Goss, Erica M., Amy E. Kendig, Ashish Adhikari, Brett Lane, Nicholas Kortessis, Robert D. Holt, Keith Clay, Philip F. Harmon e S. Luke Flory. "Disease in Invasive Plant Populations". Annual Review of Phytopathology 58, n. 1 (25 agosto 2020): 97–117. http://dx.doi.org/10.1146/annurev-phyto-010820-012757.

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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.
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Chakraborty, Sukumar. "Diseases of Tropical Pasture Plants". Australasian Plant Pathology 26, n. 2 (giugno 1997): 134. http://dx.doi.org/10.1007/bf03213692.

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Ampatzidis, Yiannis, Luigi De Bellis e Andrea Luvisi. "iPathology: Robotic Applications and Management of Plants and Plant Diseases". Sustainability 9, n. 6 (12 giugno 2017): 1010. http://dx.doi.org/10.3390/su9061010.

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Wang, Ming-Bo, Chikara Masuta, Neil A. Smith e Hanako Shimura. "RNA Silencing and Plant Viral Diseases". Molecular Plant-Microbe Interactions® 25, n. 10 (ottobre 2012): 1275–85. http://dx.doi.org/10.1094/mpmi-04-12-0093-cr.

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RNA silencing plays a critical role in plant resistance against viruses, with multiple silencing factors participating in antiviral defense. Both RNA and DNA viruses are targeted by the small RNA-directed RNA degradation pathway, with DNA viruses being also targeted by RNA-directed DNA methylation. To evade RNA silencing, plant viruses have evolved a variety of counter-defense mechanisms such as expressing RNA-silencing suppressors or adopting silencing-resistant RNA structures. This constant defense–counter defense arms race is likely to have played a major role in defining viral host specificity and in shaping viral and possibly host genomes. Recent studies have provided evidence that RNA silencing also plays a direct role in viral disease induction in plants, with viral RNA-silencing suppressors and viral siRNAs as potentially the dominant players in viral pathogenicity. However, questions remain as to whether RNA silencing is the principal mediator of viral pathogenicity or if other RNA-silencing-independent mechanisms also account for viral disease induction. RNA silencing has been exploited as a powerful tool for engineering virus resistance in plants as well as in animals. Further understanding of the role of RNA silencing in plant–virus interactions and viral symptom induction is likely to result in novel anti-viral strategies in both plants and animals.
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Rahim, Robbi, Nuning Nurna Dewi S, M. Zamroni, Lilla Puji Lestari, Muh Barid Nizarudin Wajdi, G. Gunawan, Irwan Irwan et al. "Pest Plant Disease Prevention and Identification System Using Certainty Factor Method". International Journal of Engineering & Technology 7, n. 3.2 (20 giugno 2018): 763. http://dx.doi.org/10.14419/ijet.v7i3.2.18750.

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Diseases in plants are something that can happen to many plants either caused by pests or other factors, the disease in plants can be detected based on the symptoms that appear on the plant before spreading to all plants, to recognize the symptoms and types of diseases contained in plants require plant experts or also by applying expert systems with expert knowledge base applied to the system by using certain methods such as certainty factor method. Expected results with the availability of this expert system to the user can help many users to detect diseases in plants.
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Mohammed Jasim Al-Akkam, Reem, e Mohammed Sahib Mahdi Altaei. "Classification of Plants Leaf Diseases using Convolutional Neural Network". Al-Nahrain Journal of Science 24, n. 2 (1 giugno 2021): 64–71. http://dx.doi.org/10.22401/anjs.24.2.09.

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Agriculture is one of the most important professions in many countries, including Iraq, as the Iraqi financial system depends on agricultural production and great attention should be paid to concerns about agricultural production. Because plants are exposed to many diseases and monitoring plant diseases with the help of specialists in the agricultural region can be very expensive. There is a need for a system capable of automatically detecting diseases. The aim of the research proposed is to create a model that classifies and predicts leaf diseases in plants. This model is based on a convolution network, which is a kind of deep learning. The dataset used in this study called (Plant Village) was downloaded from the kaggle website. The dataset contains 34,934 RGB images, and the deep CNN model can efficiently classify 15 different classes of healthy and diseased plants using the leaf images. The model used techniques to augment data and dropout. The Soft max output layer was used with the categorical cross-entropy loss function to apply the CNN model proposed with the Adam optimization technique. The results obtained by the proposed model were 97.42% in the training phase and 96.18% in the testing phase.
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Monigari, Vaishnavi. "Plant Leaf Disease Prediction". International Journal for Research in Applied Science and Engineering Technology 9, n. VII (15 luglio 2021): 1295–305. http://dx.doi.org/10.22214/ijraset.2021.36582.

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The Indian economy relies heavily on agriculture productivity. A lot is at stake when a plant is struck with a disease that causes a significant loss in production, economic losses, and a reduction in the quality and quantity of agricultural products. It is crucial to identify plant diseases in order to prevent the loss of agricultural yield and quantity. Currently, more and more attention has been paid to plant diseases detection in monitoring the large acres of crops. Monitoring the health of the plants and detecting diseases is crucial for sustainable agriculture. Plant diseases are challenging to monitor manually as it requires a great deal of work, expertise on plant diseases, and excessive processing time. Hence, this can be achieved by utilizing image processing techniques for plant disease detection. These techniques include image acquisition, image filtering, segmentation, feature extraction, and classification. Convolutional Neural Network’s(CNN) are the state of the art in image recognition and have the ability to give prompt and definitive diagnoses. We trained a deep convolutional neural network using 20639 images on 15 folders of diseased and healthy plant leaves. This project aims to develop an optimal and more accurate method for detecting diseases of plants by analysing leaf images.
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Priya, Shiva, M. Alekha, U. Saikiran, T. Sivakrishnateja e B. Kasikumar Reddy. "Real Time Automation of Agriculture for Detecting Plant Diseases". Journal of Computational and Theoretical Nanoscience 17, n. 4 (1 aprile 2020): 1638–41. http://dx.doi.org/10.1166/jctn.2020.8415.

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In agricultural land, there are lot of plants affected by number of diseases. Just like we can get sick, plants can get sick too and sometimes, the same type of things that make us sick can affect our green companions. A sick plant can even look under the weather. Its leaves may wilt or have holes in it. Early data on leaf well-being and sickness discovery can encourage the control of illnesses through legitimate administration techniques. If not treated, these plants may succumb to the disease and perish. Pathogens are any organism that makes plants ill, whether it be another animal such as an insect, or smaller organisms such as bacteria and viruses. Normally we have to check each and every plant to identify the plant disease. And we treat disease by various methods like MILK SPRAY, ELDER LEAF SPRAY, HORSERADISHSPRAY, BAKING SODA… etc. This proposed system solves these problems so that we can automatically detect plant diseases and can apply self-treatment. This paper presents a method for early detection of leaf diseases in plants based on some important features extracted from its leaf images. Here we use BEAGLE BONE BLACK DEVICE which stores healthy leaf images and compare it with current images which is called IMAGE PROCESSING. So after image processing, if the disease leaves are found, then it enables auto medicining. Medicine supply is enabled through Sprinkler or Drip irrigation method, climatic conditions. To avoid spreading the diseases, Temperature sensors and moisture sensors are used. These sensors control spreading diseases.
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Mahlein, A.-K., M. T. Kuska, S. Thomas, D. Bohnenkamp, E. Alisaac, J. Behmann, M. Wahabzada e K. Kersting. "Plant disease detection by hyperspectral imaging: from the lab to the field". Advances in Animal Biosciences 8, n. 2 (1 giugno 2017): 238–43. http://dx.doi.org/10.1017/s2040470017001248.

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Abstract (sommario):
The detection and identification of plant diseases is a fundamental task in sustainable crop production. An accurate estimate of disease incidence, disease severity and negative effects on yield quality and quantity is important for precision crop production, horticulture, plant breeding or fungicide screening as well as in basic and applied plant research. Particularly hyperspectral imaging of diseased plants offers insight into processes during pathogenesis. By hyperspectral imaging and subsequent data analysis routines, it was possible to realize an early detection, identification and quantification of different relevant plant diseases. Depending on the measuring scale, even subtle processes of defence and resistance mechanism of plants could be evaluated. Within this scope, recent results from studies in barley, wheat and sugar beet and their relevant foliar diseases will be presented.
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Tesi sul tema "Plant diseases. Plants"

1

Olsen, Mary W. "Diseases of Urban Plants in Arizona". College of Agriculture and Life Sciences, University of Arizona (Tucson, AZ), 1999. http://hdl.handle.net/10150/144807.

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Abstract (sommario):
26 pp.
Geographically, Arizona can be divided roughly into four areas, southwest, central, southeast, and northern. These regions correspond with four climatic zones, allowing a large and diverse number of plants to be grown for landscaping purposes. But, interestingly, in this desert environment many of the parasitic diseases in landscape plants are caused by a limited number of plant pathogens. This publication discusses some of those diseases that are sufficiently important to the urban plants in all areas Arizona.
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Soriano, Imelda Rizalina. "Novel inducible phytochemical defences against plant parasitic nematodes /". Title page, table of contents and summary only, 2004. http://web4.library.adelaide.edu.au/theses/09PH/09phs7141.pdf.

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Stone, Bethany. "The effects of boron deficiency and aluminum toxicity on plant magnesium /". free to MU campus, to others for purchase, 2001. http://wwwlib.umi.com/cr/mo/fullcit?p3036861.

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Bonfiglioli, Roderick. "Studies on the ultrastructural localisation of viroids and other plant pathogens". Title page, contents and summary only, 1997. http://web4.library.adelaide.edu.au/theses/09PH/09phb713.pdf.

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Abstract (sommario):
Bibliography: leaves 78-90. Designed to localize viroids at the histological and subcellular level and to determine with which cellular compartments the different viroids are associated. The majority of the work, in both the viroid and the phytoplasma studies involved the development of different methods and techniques.
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Jeffries, Alex Craig. "The study at the molecular level of the New Zealand isolate of Lucerne transient streak sobemovirus and its satellite RNA". Title page, contents and summary only, 1993. http://web4.library.adelaide.edu.au/theses/09PH/09phj47.pdf.

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Olsen, Mary W., e Deborah Young. "True Mistletoes". College of Agriculture and Life Sciences, University of Arizona (Tucson, AZ), 2011. http://hdl.handle.net/10150/146718.

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3 pp.
Originally published: 2003
True mistletoes are parasitic flowering plants with characteristic clumps of growth that are easily visible on the host plant. They reduce the growth of infected hosts, but it usually takes many years for true mistletoe infections to kill a mature tree or shrub. This article gives information about the disease cycle, the symptoms and prevention and control methods for true mistletoes.
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Cole, Anthony Blaine Thomas. "Investigations into the hypersensitive response of Nicotiana species to virus infections /". free to MU campus, to others for purchase, 2001. http://wwwlib.umi.com/cr/mo/fullcit?p3012960.

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Yu, Weichang. "CAMV gene VI protein : a virulence factor and the host responses in Arabidopsis /". free to MU campus, to others for purchase, 2002. http://wwwlib.umi.com/cr/mo/fullcit?p3075411.

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Odom, Jennifer Lorraine. "Evaluation of Field Pea Varieties for Resistance to Fusarium Root Rot Pathogens". Thesis, North Dakota State University, 2017. https://hdl.handle.net/10365/28500.

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Fusarium root rot is one of the most important diseases of pulse crops, with numerous Fusarium spp. comprising the disease complex. Fusarium solani and F. avenaceum have been reported to be major pathogens in the pea root rot complex, and all commonly grown varieties are susceptible. Greenhouse methods to evaluate peas for resistance to Fusarium root rot resulted in inconsistent disease severity across varieties. In 2015, F. avenaceum infested field plots were more heavily damaged based on emergence and yield than F. solani infested plots, and opposite trends were observed in 2016. Differences in root rot severity between years could be due to F. solani infestation causing more damage under warmer temperatures, while plots infested with F. avenaceum caused more damage under cooler temperatures. These results highlight the difficulties observed when screening for soil-borne pathogens, and the increased difficulties when a pathogen complex and changing environmental conditions are involved.
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Pangga, Ireneo B. "Effects of elevated CO2 on plant architecture of Stylosanthes scabra and epidemiology of anthracnose disease /". [St. Lucia, Qld.], 2001. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe16215.pdf.

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Libri sul tema "Plant diseases. Plants"

1

Swarup, Gopal. Plant diseases. New Delhi: Anmol Publications, 1989.

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Diseases and plant population biology. Cambridge [Cambridgeshire]: Cambridge University Press, 1987.

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Beatrice, Henricot, a cura di. Pests and diseases. New York: DK Publishing, 2010.

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Flowering potted plant diseases. St. Paul, MN: American Phytopathological Society, 1995.

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Applied plant virology. London: Heinemann, 1985.

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Applied plant virology. 2a ed. London: Chapman and Hall, 1991.

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Applied plant virology. New York: Wiley, 1985.

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Andrew, Halstead, e Royal Horticultural Society, a cura di. Garden pests & diseases. London: Mitchell Beazley, 1992.

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Thind, B. S. Phytopathogenic procaryotes and plant diseases. Jodhpur: Scientific Publishers (India), 2012.

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El-Gholl, N. E. Diseases and disorders of plants in Florida. Gainesville, Fla: Florida Dept. of Agriculture and Consumer Services, Division of Plant Industry, 1997.

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Capitoli di libri sul tema "Plant diseases. Plants"

1

Lucas, George B., C. Lee Campbell e Leon T. Lucas. "Diseases Caused by Parasitic Plants". In Introduction to Plant Diseases, 309–15. Boston, MA: Springer US, 1992. http://dx.doi.org/10.1007/978-1-4615-7294-7_19.

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Tubaña, Brenda Servaz, e Joseph Raymond Heckman. "Silicon in Soils and Plants". In Silicon and Plant Diseases, 7–51. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-22930-0_2.

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Horst, R. Kenneth. "Host Plants and Their Diseases". In Westcott’s Plant Disease Handbook, 531–908. Boston, MA: Springer US, 2001. http://dx.doi.org/10.1007/978-1-4757-3376-1_4.

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Horst, R. Kenneth. "Host Plants and Their Diseases". In Westcott’s Plant Disease Handbook, 516–873. Boston, MA: Springer US, 1990. http://dx.doi.org/10.1007/978-1-4615-8143-7_5.

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Horst, R. Kenneth. "Host Plants and Their Diseases". In Westcott’s Plant Disease Handbook, 516–873. Boston, MA: Springer US, 1990. http://dx.doi.org/10.1007/978-1-4684-7682-8_5.

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Horst, R. Kenneth. "Host Plants and Their Diseases". In Westcott's Plant Disease Handbook, 699–1145. Dordrecht: Springer Netherlands, 2008. http://dx.doi.org/10.1007/978-1-4020-4585-1_4.

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Liao, Zhen, Kristian Persson Hodén e Christina Dixelius. "Small talk and large impact: the importance of small RNA molecules in the fight against plant diseases." In RNAi for plant improvement and protection, 86–93. Wallingford: CABI, 2021. http://dx.doi.org/10.1079/9781789248890.0086.

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Abstract This short and general chapter summarizes how plants and pathogens communicate using not only proteins for recognition and signal transduction or other metabolites but also RNA molecules where small RNAs with sizes between 21 to 40 nt are most important. These small RNAs can move between plants and a range of interacting pathogenic organisms in both directions, that is, a 'cross-kingdom' communication process. The first reports on RNA-based communications between plants and plant pathogenic fungi appeared about 10 years ago. Since that time, we have learnt much about sRNA biology in plants and their function in different parasitic organisms. However, many questions on the processes involved remain unanswered. Such information is crucial in order to sustain high crop production. Besides giving a brief background, we highlight the interactions between the potato late blight pathogen and its plant host potato.
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Liao, Zhen, Kristian Persson Hodén e Christina Dixelius. "Small talk and large impact: the importance of small RNA molecules in the fight against plant diseases." In RNAi for plant improvement and protection, 86–93. Wallingford: CABI, 2021. http://dx.doi.org/10.1079/9781789248890.0009.

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Abstract (sommario):
Abstract This short and general chapter summarizes how plants and pathogens communicate using not only proteins for recognition and signal transduction or other metabolites but also RNA molecules where small RNAs with sizes between 21 to 40 nt are most important. These small RNAs can move between plants and a range of interacting pathogenic organisms in both directions, that is, a 'cross-kingdom' communication process. The first reports on RNA-based communications between plants and plant pathogenic fungi appeared about 10 years ago. Since that time, we have learnt much about sRNA biology in plants and their function in different parasitic organisms. However, many questions on the processes involved remain unanswered. Such information is crucial in order to sustain high crop production. Besides giving a brief background, we highlight the interactions between the potato late blight pathogen and its plant host potato.
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Ricci, Angela, Silvia Sabbadini, Laura Miozzi, Bruno Mezzetti e Emanuela Noris. "Host-induced gene silencing and spray-induced gene silencing for crop protection against viruses." In RNAi for plant improvement and protection, 72–85. Wallingford: CABI, 2021. http://dx.doi.org/10.1079/9781789248890.0072.

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Abstract Since the beginning of agriculture, plant virus diseases have been a strong challenge for farming. Following its discovery at the very beginning of the 1990s, the RNA interference (RNAi) mechanism has been widely studied and exploited as an integrative tool to obtain resistance to viruses in several plant species, with high target-sequence specificity. In this chapter, we describe and review the major aspects of host-induced gene silencing (HIGS), as one of the possible plant defence methods, using genetic engineering techniques. In particular, we focus our attention on the use of RNAi-based gene constructs to introduce stable resistance in host plants against viral diseases, by triggering post-transcriptional gene silencing (PTGS). Recently, spray-induced gene silencing (SIGS), consisting of the topical application of small RNA molecules to plants, has been explored as an alternative tool to the stable integration of RNAi-based gene constructs in plants. SIGS has great and innovative potential for crop defence against different plant pathogens and pests and is expected to raise less public and political concern, as it does not alter the genetic structure of the plant.
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Ricci, Angela, Silvia Sabbadini, Laura Miozzi, Bruno Mezzetti e Emanuela Noris. "Host-induced gene silencing and spray-induced gene silencing for crop protection against viruses." In RNAi for plant improvement and protection, 72–85. Wallingford: CABI, 2021. http://dx.doi.org/10.1079/9781789248890.0008.

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Abstract (sommario):
Abstract Since the beginning of agriculture, plant virus diseases have been a strong challenge for farming. Following its discovery at the very beginning of the 1990s, the RNA interference (RNAi) mechanism has been widely studied and exploited as an integrative tool to obtain resistance to viruses in several plant species, with high target-sequence specificity. In this chapter, we describe and review the major aspects of host-induced gene silencing (HIGS), as one of the possible plant defence methods, using genetic engineering techniques. In particular, we focus our attention on the use of RNAi-based gene constructs to introduce stable resistance in host plants against viral diseases, by triggering post-transcriptional gene silencing (PTGS). Recently, spray-induced gene silencing (SIGS), consisting of the topical application of small RNA molecules to plants, has been explored as an alternative tool to the stable integration of RNAi-based gene constructs in plants. SIGS has great and innovative potential for crop defence against different plant pathogens and pests and is expected to raise less public and political concern, as it does not alter the genetic structure of the plant.
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Atti di convegni sul tema "Plant diseases. Plants"

1

Höfte, M. "Cyclic lipopeptides produced by Pseudomonas spp.: an untapped reservoir to control plant diseases by direct antagonism and induced resistance". In IX Congress of society physiologists of plants of Russia "Plant physiology is the basis for creating plants of the future". Kazan University Press, 2019. http://dx.doi.org/10.26907/978-5-00130-204-9-2019-27.

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Sidarenka, A. V., H. A. Bareika, L. N. Valentovich, D. S. Paturemski, V. N. Kuptsou, M. A. Titok e E. I. Kalamiyets. "Molecular diagnostics of bacterial and fungal plant diseases". In 2nd International Scientific Conference "Plants and Microbes: the Future of Biotechnology". PLAMIC2020 Organizing committee, 2020. http://dx.doi.org/10.28983/plamic2020.229.

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Taxon-specific primers were developed and PCR conditions were optimized for diagnostics of bacterial and fungal plant pathogens. Methods for phytopathogens DNA isolation from plant material, soil and water were selected.
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Anguelov, Roumen, Jean Lubuma e Yves Dumont. "Mathematical analysis of vector-borne diseases on plants". In 2012 IEEE 4th International Symposium on Plant Growth Modeling, Simulation, Visualization and Applications (PMA). IEEE, 2012. http://dx.doi.org/10.1109/pma.2012.6524808.

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Maksimov, I. V., M. Yu Shein e R. M. Khairullin. "Endophytic bacteria and plant immunity". In 2nd International Scientific Conference "Plants and Microbes: the Future of Biotechnology". PLAMIC2020 Organizing committee, 2020. http://dx.doi.org/10.28983/plamic2020.160.

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Diseases annually cause significant crop losses and reduced quality of agricultural products. The development strategy of new environmentally friendly plant protection products should consider the role of the microbiome in host defense.
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Kalamiyets, E. I. "Plant biological control agents as the basis for remediation and stabilization of agrobiocenoses". In 2nd International Scientific Conference "Plants and Microbes: the Future of Biotechnology". PLAMIC2020 Organizing committee, 2020. http://dx.doi.org/10.28983/plamic2020.108.

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New approaches to diagnostics of plant diseases, development of composition and high-tech commercial forms of biopesticides were proposed for enhancement of their efficiency in remediation and stabilization of agrobiocenoses.
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Jelev, Natalia, e Sabina Badasco. "Evaluarea efectelor de protecţie a biostimulatorului Reglalg faţă de diferiţi agenţi patogeni prin colorarea frunzelor diferitor specii de plante cu Rodamina 6G". In International Scientific Symposium "Plant Protection – Achievements and Prospects". Institute of Genetics, Physiology and Plant Protection, Republic of Moldova, 2020. http://dx.doi.org/10.53040/9789975347204.43.

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The article presents the results demonstrating the effectiveness of the rapid method for detecting infection at the initial stages of spreading on the leaves of winter wheat and barley, apple and grape plants using 0,05% Rodamina 6G solution as an indicator for determining the degree of infection. The assessment of the degree of infection is carried out visually on a special scale. The data on the effectiveness of presowing treatment of wheat seeds in a solution of 1/200 of the biostimulator Reglalg for increasing plant resistance to diseases are presented.
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Rogozin, E. "Biotechnology for production of recombinant hybrid proteins from plants and microbes with antifungal activity". In 2nd International Scientific Conference "Plants and Microbes: the Future of Biotechnology". PLAMIC2020 Organizing committee, 2020. http://dx.doi.org/10.28983/plamic2020.206.

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The principle of obtaining recombinant antimicrobial polypeptides from plant and microbial origins as a part of chimeric proteins with thioredoxin by heterologous expression in a prokaryotic system is presented. The results obtained in terms of their antifungal activity in relation to plant pathogenic micromycetes allow us to consider these compounds as prototypes of some active substances of environmentally friendly biofungicides, as well as possible components of hybrid plant protection products against fungal diseases.
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Belyakova, N. V., E. A. Vorobyova e V. A. Sivolapov. "MOLECULAR-GENETIC ANALYSIS OF PHYTOPATHOGENS IN STANDS OF THE VORONEZH REGION". In Modern machines, equipment and IT solutions for industrial complex: theory and practice. Voronezh State University of Forestry and Technologies named after G.F. Morozov, Voronezh, Russia, 2021. http://dx.doi.org/10.34220/mmeitsic2021_29-33.

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This paper presents the results of DNA diagnostics of phytopathogens in the Voronezh region. DNA diagnostics was carried out step by step: isolation of total DNA from the sample by CTAB method, amplification of marker regions of phytopathogenic organisms using primers ITS1 and ITS4, electrophoretic separation of the obtained amplicons in 2% agarose gel followed by staining with ethidium bromide, determination of the nucleotide sequence of the amplified loci ABI Prism 310. The study identified the following plant diseases: Sphaeropsis sapinea, Rhizoctonia solani, Cladosporium herbarum. Along with this, we identified the Neocatenulostroma pathogen, which had not previously been found in the territories under its jurisdiction. This disease cannot be determined by phenological signs. The degree of infection by pathogens ranged from 15 to 40%. At present, the problem of protecting plants from diseases is especially urgent. It has been established that the greatest damage to forestry activities is caused by fungal and infectious diseases. At the same time, among phytopathogens, about 97% are fungal infections, 2% are bacterial and 1% are viral.
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Alasbahi, RH, e MJ Groot. "Evaluation of the traditional use of some Yemeni plants for the treatment of some livestock diseases". In 67th International Congress and Annual Meeting of the Society for Medicinal Plant and Natural Product Research (GA) in cooperation with the French Society of Pharmacognosy AFERP. © Georg Thieme Verlag KG, 2019. http://dx.doi.org/10.1055/s-0039-3399715.

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Alasbahi, RH, e MJ Groot. "Evaluation of the traditional use of some Yemeni plants for the treatment of some livestock diseases". In 67th International Congress and Annual Meeting of the Society for Medicinal Plant and Natural Product Research (GA) in cooperation with the French Society of Pharmacognosy AFERP. © Georg Thieme Verlag KG, 2019. http://dx.doi.org/10.1055/s-0039-3399734.

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Rapporti di organizzazioni sul tema "Plant diseases. Plants"

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Harms, Nathan, Judy Shearer, James Cronin e John Gaskin. Geographic and genetic variation in susceptibility of Butomus umbellatus to foliar fungal pathogens. Engineer Research and Development Center (U.S.), agosto 2021. http://dx.doi.org/10.21079/11681/41662.

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Large-scale patterns of plant invasions may reflect regional heterogeneity in biotic and abiotic factors and genetic variation within and between invading populations. Having information on how effects of biotic resistance vary spatially can be especially important when implementing biological control because introduced agents may have different Impacts through interactions with host-plant genotype, local environment, or other novel enemies. We conducted a series of field surveys and laboratory studies to determine whether there was evidence of biotic resistance, as foliar fungal pathogens, in two introduced genotypes (triploid G1, diploid G4) of the Eurasian wetland weed, Butomus umbellatus L. in the USA. We tested whether genotypes differed in disease attack and whether spatial patterns in disease incidence were related to geographic location or climate for either genotype. After accounting for location (latitude, climate), G1 plants had lower disease incidence than G4 plants in the field (38% vs. 70%) but similar pathogen richness. In contrast, bioassays revealed G1 plants consistently received a higher damage score and had larger leaf lesions regardless of pathogen. These results demonstrate that two widespread B. umbellatus genotypes exhibit different susceptibility to pathogens and effectiveness of pathogen biological controls may depend on local conditions.
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White, P. Scott, e Alina Deshpande. Agriculture and Food Security: Plant Disease Surveillance. Office of Scientific and Technical Information (OSTI), agosto 2012. http://dx.doi.org/10.2172/1049985.

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Tyndall, R. L., S. W. Christensen e J. A. Solomon. Legionnaires' disease bacteria in power plant cooling systems: Phase 2. Office of Scientific and Technical Information (OSTI), aprile 1985. http://dx.doi.org/10.2172/5732566.

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Mueller, Daren S., e Kenneth T. Pecinovsky. Effect of Headline® and Soybean Plant Population on Diseases and Yield. Ames: Iowa State University, Digital Repository, 2008. http://dx.doi.org/10.31274/farmprogressreports-180814-537.

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Mueller, Daren S., Nathan R. Bestor e Kenneth T. Pecinovsky. Effect of Fungicides and Plant Populations on Soybean Disease and Yield. Ames: Iowa State University, Digital Repository, 2012. http://dx.doi.org/10.31274/farmprogressreports-180814-917.

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Mueller, Daren S., Nathan R. Bestor e Kenneth T. Pecinovsky. Effect of Fungicides and Plant Populations on Soybean Disease and Yield. Ames: Iowa State University, Digital Repository, 2011. http://dx.doi.org/10.31274/farmprogressreports-180814-2131.

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Mueller, Daren S., e Kenneth T. Pecinovsky. Effect of Fungicides and Plant Populations on Soybean Disease and Yield. Ames: Iowa State University, Digital Repository, 2010. http://dx.doi.org/10.31274/farmprogressreports-180814-380.

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Mueller, Daren S., e Kenneth T. Pecinovsky. Effect of Fungicides and Plant Populations on Soybean Disease and Yield. Ames: Iowa State University, Digital Repository, 2009. http://dx.doi.org/10.31274/farmprogressreports-180814-2642.

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Bent, Andrew. Dissection and Manipulation of LRR Domains in Plant Disease Resistance Gene Products. Office of Scientific and Technical Information (OSTI), novembre 2012. http://dx.doi.org/10.2172/1055768.

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Anderson, Lowell A., Neal Black, Thomas J. Hagerty, John P. Kluge e Paul L. Sundberg. Pseudorabies (Aujeszky’s Disease) and Its Eradication: A Review of the U.S. Experience. U.S. Department of Agriculture, Animal and Plant Health Inspection Service, ottobre 2008. http://dx.doi.org/10.32747/2008.7207242.aphis.

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This report has been written to serve as a history of the U.S. Aujeszky’s Disease (Pseudorabies) Eradication Program and as a guide when future disease eradication programs are considered. The report provides an overview of the program and its history and is generally nontechnical, with specific sections written by subject matter experts. The information was compiled during 2007, three years after the last four States qualified for Stage V (Free) Status. This eradication effort was formally initiated in 1989. The contents of this report include a variety of information that represents the viewpoints of individuals participating in the eradication effort. To introduce the challenge of pseudorabies (PRV), the report covers characteristics of the virus and the history of the disease in the United States, followed by the emergence of virulent strains in the 1970s that coincided with management changes in the swine industry. The report also discusses early attempts at PRV control, vaccines, and diagnostic tools, and then reviews various pilot projects, individual State experiences, and national debate on the pros and cons of eradication versus control. In addition, the report offers details on the evolution and acceptance of a national eradication program, including debate among industry and State/Federal officials, funding, testing protocols, cleanup plans, and the development of gene-deleted vaccines and their complementary tests. The ongoing threat of reintroduction from feral swine and emergency response plans are also included. Lastly, the technical coordinators have included a chapter on lessons learned from our various viewpoints on the eradication effort.
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