Management of aphids and jassids

23/06/2020Posted on
Management of aphids and jassids
  • Aphid and jassid is an insect sucking pest of jacid crops. They are very small in size. Their shape is like the tip of a lentil. It is usually yellow-green or white with dark spots on its front wings. Jassids fly away when there is a slight movement on the crop. In crops, these kits suck the juice from the leaves and under the buds of the leaves.
  • For control of aphid and jassid, Imidacloprid 60% FS or Thiamethoxam 30% FS with 10 ml/kg seed should be given. This seed treatment keeps the crop free from sucking pests for one month.
  • Spraying of imidacloprid 17.8% SL @ 100 ml / acre or acetamiprid 20% WP @ 100 gram / acre or  acephate 50% + imidacloprid 1.8% SP @ 400 g / acre.

Biological Treatment:

  • Bavaria Basiana should be sprayed at the rate of 1 kg per acre.
  • Spraying of metrazium at the rate of 1 kg per acre
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how to identify Jassids in Brinjal crop –

20/03/2020Posted on
  • Nymphs and adults suck the sap from the lower surface of the leaves.
  • The infected leaf curls upward along the margins, which may turn yellowish and show burnt up patches.
  • They also transmit mycoplasma diseases like a little leaf and virus disease like a mosaic.
  • Fruit setting is adversely affected by the infestation.
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Control of Leaf Hopper and Jassid in Snake gourd

05/02/2019Posted on
  • Nymphs and adults are sucking the cell sap of leaves of snake gourd vines causing typical hopper burn symptoms.
  • Initially, leaf margins turn yellow in colour and finally dry off. Fruit size and quality are also reduced.
  • 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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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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Control of Jassids in Brinjal

14/09/2018Posted on

Control of Jassids in Brinjal:-

  • Nymphs and adults suck the sap from the lower surface of the leaves.
  • The infected leaf curl upward along the margins, which may turn yellowish and show, burnt up patches.
  • They also transmit mycoplasma disease like little leaf and virus disease like mosaic.
  • Fruit setting is adversely affected by the infestation.

Control:-

  • Jassids are controlled by spraying Acetamiprid 20 % WP @ 80 Gm/acre or Imidacloprid 17.8% @ 80 Ml/Acre  20 days after transplanting.

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