Which is a best method to produce disease-free plants in a short time?(100-150 words)
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Traditional Principles of Plant Disease Control. Avoidance—prevent disease by selecting a time of the year or a site where there is no inoculum or where the environment is not favorable for infection. Exclusion—prevent the introduction of inoculum. Eradication—eliminate, destroy, or inactivate the inoculum.
Plant disease resistance protects plants from pathogens in two ways: by pre-formed structures and chemicals, and by infection-induced responses of the immune system
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The meristem is the tissue in plants that contain undifferentiated cells or meristematic cells which are rapidly dividing cells and thus are the virus-free part of the diseased plant. The culture with meristem has enabled the production of disease-free varieties including virus-free healthy plants.
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