Suitable climate and soil for watermelon

05/12/2018Posted on

Suitable climate and soil for watermelon:-

  • Warm and dry climate is best suited for its cultivation.
  • The temperature of 22-26 degree Celsius is good for seed germination and plant growth. This is the summer crop so cannot tolerate frost.
  • If there is excessive moisture in the air, the fruits get delayed. At the time of fruits ripping warm climate and hot air increase fruits sweetness.
  • Proper drainage and sandy with organic matter or loamy soil is best found for this. The best soil PH value is 5-7 for its crop.
  • If there is no proper drainage, many kinds of diseases start to occur. Its cultivation can be successfully done on the banks of the river.

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Control Of Jassid in Okra

05/12/2018Posted on

Control Of Jassid in Okra:-

Identification

  • Insects are 2.5 mm long and small green in color.
  • Nymphs and adults are of same shape but nymphs do not have wings.
  • Eggs are laid along veins on the underside of the leaflets.
  • One generation requires 2 weeks.

Damage

  • This pest attacks the crop at its early stage of growth.
  • The adults and nymph suck the cell sap from the leaves.
  • As a result, the leaves curl upwards along the margins and have a burnt look which extends over the entire leaf area.
  • The affected plants show stunted growth.

Control

  • Soil application of Carbofuran 3 G @ 10 Kg/acre at the time of sowing.
  • Spray Profenophos 50% EC @ 400 Ml/acre or Acetamiprid 20% WP @ 80 gm/acre at fortnightly intervals starting with the appearance of the jassid.
  • Prophylactic spray of Neem oil-garlic mixture at fortnightly intervals is advantageous for avoiding pest incidence.

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