Do’s and Don’ts for Brinjal Cultivation

23/10/2019Posted on

Do’s and Don’ts for Brinjal Cultivation:- 

Do’s

  • Timely sowing.
  • Field sanitation.
  • Apply pesticides only when required.
  • Wash brinjal before consumption.

Don’ts

  • Don’t apply more than the recommended dose of the pesticide.
  • Don’t repeat the same pesticide consecutively.
  • Don’t apply mixture of pesticides.
  • Don’t apply highly hazardous insecticides like monocrotophos in vegetables.
  • Don’t apply pesticides just before harvesting.
  • Don’t consume produce till 3-4 days after application of pesticides.

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Aphids Attack in Chilli Crop

31/08/2019Posted on

Aphids Attack in Chilli Crop:-

  • Nymphs and adults are both soft bodied pear shaped, blackish in colour.
  • Appear on the tender shoots, leaves and on the lower surface of the leaves.
  • Suck the sap and reduce the vigor of the plant.
  • Secrete sweet substances which attract ants and develop sooty mold.

Control:-Spray the crop with Following insecticides at 15-20 days interval till the end of aphid population checked.

  1. Profenofos 50% EC @ 50 ml/ Pump.
  2. Acetamiprid 20 SP @ 10 gm/Pump.
  3. Imidacloprid 17.8% SL @ 7 ml/pump.
  4. Fipronil 5% SC @ 40 ml/Pump.

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Management of Thrips in Cotton

28/08/2019Posted on

Management of Thrips in Cotton:-

Nature of Damage of Thrips:-

  • Nymphs and adults lacerate the tissue and suck the sap from the upper and lower surfaces of leaves.They inject saliva and suck the lysed contents of plant cells resulting in silvery or brown necrotic spots.
  • Seedlings infested with thrips grow slow and the leaves become wrinkled curl upwards and distorted with white shiny patches.
  • Rusty appearances in patches develop on under surface of leaves.
  • Higher infestation during vegetative crop growth results in late bud formation.
  • During the fruiting phase there is premature dropping of squares and the crop maturity is delayed combined with yield reduction.
  • The feeding by thrips on the developing bolls late in the season cause spots or wounds on the ripening of the ball or the quality of the seed.

Management:-

  • Seed treatment – Imidacloprid 60 FS @ 10 ml/kg or thiamethoxam 70 WS @ 5 g/kg seeds applied as seed treatment are efficient in suppressing the population of other sucking pest on cotton seedling.
  • Maintaining weed free conditions in cotton field from the spread of development of thrips.
  • Insecticidal options should be made when thrips infection results in high grade injury during clear sky period with no anticipated rains.
  • Spray of NSKE prepared on farm or crude neem oil spray @ 75 ml per pump suppress thrips population during pre squaring crop stage in both cases detergent / soap powder @ 1 gm / litre of spray fluid is to be added for getting uniform spray suspension.
  • Chemical Spray:- Spray any one Following insecticide.
  1. Profenofos 50% EC @ 50 ml/ Pump.
  2. Acetamiprid 20 SP @ 15 gm/Pump.
  3. Imidacloprid 17.8% SL @ 7 ml/pump.
  4. Thiamethoxam 25% WG @ 5 gm/pump.
  5. Fipronil 5% SC @ 40 ml/Pump.

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Management of melon worm in watermelon

27/03/2019Posted on
  • Caterpillars feed on leaves and flowers.
  • Sometimes they bore into the developing fruit.
  • Before planting watermelon for effective control, cultivate deep in the field and destroy the cocoon of insect.
  • Determine the time of sowing, according to the number of this pest which is less heat during the summer season.
  • Properly manage the weeds.
  • Spray cypermethrin 10% EC @ 350-500 ml/acre.
  • Or spray Fipronil 5% SC @ 250-300 ml/acre

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Control of fruit fly in snake gourd

23/03/2019Posted on
  • The maggots burrow into the fruits and suck the sap.
  • Infested fruits decay and drop.
  • The fly mainly prefers tender fruits for egg laying.
  • Ovipositional punctures caused by adults also cause injury on fruits and fruit juices oozes out.
  • Collect and destroy infested fruits.
  • Cover developing fruits with paper or polythene cover immediately after anthesis pollination.
  • Maize plants grown in rows at a distance of 8-10 cm in snake gourd field is effective as flies rest on such tall plants.
  • Soil incorporation of carbaryl 10% dust can be made in fruit fly endemic areas.
  • Spraying of Dichlorovas @3 ml/lit of water at fortnightly intervals.
  • Deep ploughing to expose hibernating stages.

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Control of tobacco caterpillar in Tomato

22/03/2019Posted on
  • Deep summer ploughing.
  • Collect and destroy infested plant parts, egg masses and larva.
  • Install sex pheromone trap @ 5 traps/acre for early deduction of the pest.
  • Erection of bird perches @ 5 bird perches/ acre.
  • Apply Profenophos 50 % EC@ 400 ml/acre or quinalphos 25% EC @ 400 ml/acre
  • In case of severe infestation apply Emamectin Benzoate @ 80 Gm/acre

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Control of mosaic virus in watermelon

22/03/2019Posted on
  • Watermelon mosaic virus initially appears on the leaves and spreads from the stem to the fruit.
  • Fruits become distorted and are small in size, and they break down from the petioles.
  • Leaves of plant curl downwards and leaf size smaller than normal.
  • This disease transmitted by aphid.
  • Preventive management of this disease, use the disease-free seed for sowing and do proper tillage operation.
  • Remove all the infected plants from the field.
  • Spray of Imidachloprid17.8% SL @ 70-100 ml/acre.

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Control of mosaic in tomato

22/03/2019Posted on
  • Normal green colour of leaf is interspersed with irregular patches.
  • Mild mottling of foliage, narrowing of leaf blade, chlorosis and distortion of fruits take place.
  • Select the seeds only from healthy plants.
  • Grow the seedlings in sterilized soil.
  • Remove all the infected plants from the field.
  • Vector control by using systemic insecticide- Imidacloprid (17.8% SL) @ 100-120 ml/acre or Acephate (75% SP) @ 140-200 g /acre.

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Control of red pumpkin beetle in bottle gourd

14/03/2019Posted on
  • Avoid showing alternate host plants like cucumber, ridge gourd, sponge gourd, round gourd etc. near the bottle gourd field.
  • Destroy the remains of the old crop.
  • In the early stage of the crop, if the insect appears, hold it by hand and destroy it.
  • Spray the crop with Cypermethrin 25% EC 150 ml/acre +Dimethoat 30% EC 300 ml /acre or Carbaryl 50% WP 400 gm/acre at fortnight intervals starting from 25 days after sowing to control the pest.
  • Spraying with Dichlorvos (DDVP) 76% EC @ 250-350 ml/acre gives satisfactory control of the pest.

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Control of leaf miner in cowpea

13/03/2019Posted on
  • Maggots are feeding the leaves in a zigzag shape.
  • The infestation of this fly can easily be recognized by the presence of shiny whitish streaks on the leaves against the green background.
  • The flowering and fruiting capacity of in infested plants is adversely affected.
  • Spraying of systemic insecticide like Deltamethrin 2.8% EC @ 200 ml/acre or Triazophos 40% EC @ 350-500 ml/acre.

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