Root Rot

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  • Farmers in Tiruchy, Tamil Nadu, are facing significant losses due to root rot disease affecting their ‘pichi poo’ (red jasmine) crops.
  • The fungal infection causes root decay, hindering bud formation and ultimately reducing yields.
  • Red jasmine cultivation is widespread in Tiruchy, with farmers relying on the crop for income during peak harvest season (February-September).
  • The disease is impacting farmers who invested in planting red jasmine in January 2024, after spending significant amounts on fertilizers and maintenance.
  • Root rot can be caused by overwatering, fungal pathogens (Armillaria mellea, Clitocybe
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    tabescens, and Fusarium) and oomycetes (Pythium, Phytophthora, and Aphanomyces).
  • The horticulture department has been notified and is planning a field visit to assess the situation and advise farmers on disease management.
  • ‘Pichi poo’ is a sought-after flower for garlands used in temples and ceremonies, contributing to its economic importance for farmers.
  • Root rot spreads through soil, especially when soggy and fungal spores multiply.
  • Control measures include
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    planting in well-drained soils, using resistant varieties, and removing affected plants. Fungicides can also treat the soil.
  • The Tiruchy area cultivates red jasmine across approximately 1,000 acres, supplying the flower to various parts of the state.