KRISHI VIGYAN KENDRA HOSHIARPUR
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Cautions and Useful Tips
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- Use only
healthy seed free from late blight infection.
- Cull
piles near cold stores should be destroyed.
- Give
timely application of fungicides like Indofil M-45 or Mass M-45 or
Markzeb and Mark Copper or Kavach or Antracol as prophylactic sprays
i.e. before appearance of disease (1st week of November for main crop).
Repeat the sprays if it has been washed down by the rain.
- Use
Ridomil Gold or Curzate M-8 or other recommended systemic fungicides
only when disease risk is likely to be severe and favourable weather
conditions persist.
- Avoid
the use of formulations containing metalaxyl alone and avoid using their
self prepared mixtures of metalaxyl and mancozeb.
- High
ridges and proper earthing up prevents tuber infection.
- Excessive
irrigation should be avoided. Restrict irrigation during cloudy days.
- Digging
of tubers should be done after 2-3 weeks of dehaulming.
- Sort out
and destroy infected tubers after harvesting and before or after
storage.
- Sowing
of unrecommended varieties and spray of such fungicides should be
avoided.
- Successive
potato crop in the same field should be avoided during same crop season.
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KRISHI VIGYAN KENDRA HOSHIARPUR
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