Biological Management of Diseases of Crops: Volume 2: by P. Narayanasamy PDF

By P. Narayanasamy

ISBN-10: 940076376X

ISBN-13: 9789400763760

ISBN-10: 9400763778

ISBN-13: 9789400763777

Biological administration of ailments of vegetation is motivated by means of the character of interactions among the pathogens and different organisms and the vegetation. as a result of improvement of resistance in pathogens to fungicides and bactericides, decision of compatibility of biotic biocontrol brokers with chemical substances is key for choosing traces of biocontrol brokers (BCAs) displaying resistance to chemical compounds to successfully limit use of the chemical substances. Microbial plant pathogens and the antagonists found in the soil and at the plant surfaces are encouraged by way of numerous cultural practices. it's attainable to lessen ailment prevalence and depth through crop sanitation and utilizing applicable rotational plants. software of actual suggestions related to using warmth, solarization and irradiation has power to lessen the pathogen inhabitants or weaken the opportunity of pathogens found in the seed, planting fabrics and soil.

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Extra resources for Biological Management of Diseases of Crops: Volume 2: Integration of Biological Control Strategies with Crop Disease Management Systems

Example text

Bacterial soft rots), Sclerotium rolfsii, Pythium myriotylum, Rhizoctonia solani, Fusarium solani and Sclerotinia minor, increase the structural integrity and resistance of the middle lamella, cell wall components and cell membranes to the extracellular macerating enzymes 24 2 Cultural Practices Influencing Biological Management of Crop Diseases produced by these pathogens (Bateman and Basham 1976; Kelman et al. 1989). Incidence of Phytophthora cinnamomi causing root rot disease of Quercus ilax was at low level in soils with medium to high calcium (Ca2+) content.

Tritici, was demonstrated by Kim et al. (1997). Treatment with the bacterial BCA, not only reduced incidence of fungal diseases, but also enhanced grain yields under field conditions in which one or more of the root diseases of wheat were primarily responsible for reduction in yield levels (Kim et al. 1997). In six field experiments, treatment of wheat seeds with Clonostachys rosea (IK726) significantly reduced disease caused by Fusarium culmorum. 0 °C (Jensen et al. 2000). Treatment with carrot seeds with Pseudomonas sp.

Both fresh and dry broccoli almost entirely eliminated the microsclerotia of V. dahliae at 35 °C. The optimum temperature for the broccoli-mediated elimination of V. dahliae microsclerotia were between 25 and 30 °C. The results indicated that to obtain maximum reduction of microsclerotia in the soil leading to reduction in wilt disease incidence in cauliflower, broccoli residue should be incorporated at temperatures 20 °C and above. Enhanced growth of cauliflower in broccoli-amended soil was also observed (Subbarao and Hubbard 1996).

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Biological Management of Diseases of Crops: Volume 2: Integration of Biological Control Strategies with Crop Disease Management Systems by P. Narayanasamy

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