Soilborne pathogens can infect a plant at any time during its growth and development, starting within 6-12 h of germination as shown by Nelson et al. (1986). Thus, the choice of a control measure for such damping-off diseases has to be made prior to planting. The controls available for perennials, and those diseases including the vascular wilts and sclerotial soilborne pathogens, are more involved. Key factors such as crop safety, environmental conditions, cultural practices, the complexity of the soil (e.g., absorption capacity), and the life cycle of the pathogen all interact to make chemical management of disease a challenging task. The above-mentioned factors also limit the options of chemicals available. Chemical control of pathogens in soil can be considered one of the last frontiers of “uncontrolled” diseases.
KeywordsBenomyl Carbofuran Verticillium Tebuconazole Oomycetes
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