ROGUING IN SEED POTATO PRODUCTION IN INDIA: PRINCIPLES, PRACTICES AND PROSPECTS
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Authors
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Tanuja Buckseth
ICAR-CPRI, Shimla
Keywords:
Seed Potato; Seed Plot Technique; Roguing; Seed Health; Seed Degeneration; ProductivityAbstract
Roguing, the systematic removal of diseased, off-type, and volunteer plants, is a critical
component of the Seed Plot Technique (SPT) for maintaining the health and genetic purity of seed
potato. Potato is vegetatively propagated, pathogens particularly viruses accumulate rapidly over
generations, resulting in seed degeneration and substantial yield losses. Effective roguing reduces
primary inoculum sources, restricts secondary virus spread, delays degeneration, and ensures
compliance with seed certification standard. Although roguing is labor-intensive and requires skilled
personnel, it remains one of the most economical and reliable practices for sustaining seed health
under Indian conditions. This review synthesizes principles, timing, operational steps, influencing
factors, and precautionary measures associated with roguing in seed potato production. Emphasis
is placed on its role within the Indian Seed Plot Technique, challenges arising from changing
climate and vector dynamics, and the need for integration with modern diagnostic and digital tools.
Strengthening roguing practices through training, supervision, and technology-assisted monitoring
will be essential for sustaining seed potato productivity and profitability in India.
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