How to identify downy mildew in pumpkin crop?

The major symptoms of downy mildew in pumpkin crop are as follows-

  • Water-soaked lesions are formed on the lower surface of the leaves.
  • Lesions appear first on the older leaves and then progress on the younger leaves.
  • As the lesions expand, they may remain yellow or become dry and brown.
  • Affected vines do not bear fruit properly. 
Share

Management of Mosaic Virus in chilli

  • Uproot the infected plants.
  • Cultivate of resistant/tolerant varieties like Pusa Jwala, Pant C-1, Pusa- Sadabahar, Panjab lal etc.
  • Spray Acetamiprid 20% SP at the rate of 130gram/acre at regular intervals to reduce the vectors, or 
  • You can also Spray Fipronil 40% + Imidachloprid 40% WG @ 40 gram/acre.
Share

Identification of Mosaic Virus in chili –

image source - https://www.indiamart.com/proddetail/heavy-duty-agro-shade-net-house-15933969848.html
  • The main symptom of this disease is the appearance of dark green and yellow spots on the leaves.
  • Another symptom includes the appearance of Light pits and blisters
  • Yellowing and distortion of younger leaves, followed by conspicuous mosaic.
  • Severe mottling with light and dark green patches get Scattered all over the leaf surface.
  • Slight curling, marginal rolling and shortening of leaves are other common symptoms of mosaic virus. 
  • This disease spreads through whitefly. 
Share

Tips for Disease-Free Nursery Raising of Vegetables –

  • choose healthy seeds for showing.
  • The seeds should be treated with recommended fungicide before sowing.
  • The continuous raising of the nursery in the same plot should be avoided.
  • The topsoil of the nursery should be treated with Carbendazim @ 5 gm/square m. area of the soil and the nursery should be drenched with Carbendazim @ 2gm/litre of water fortnightly.
  • Soil solarization by spreading 250 gauge polythene sheet over the bed for 30 days before sowing in summer season should be done.
  • Application of bio-control agent Trichoderma viride in soil @ 500 gram/acre is also found effective to control damping-off to a considerable extent.
Share