Measures for identification and control of insect damage in bitter gourd crop

13/07/2022Posted on

Red pumpkin beetle

symptoms-

  • It is a harmful insect, which is found on bitter gourds at the initial stage.

  • This insect inhibits the growth of the plant by eating the leaves.

  • Its larva is dangerous, it destroys the crop by cutting the roots of bitter gourd plants.

control- 

  • Spray Novalaxam  (Thiamethoxam 12.6% + Lambda Cyhalothrin 9.5% ZC) @ 80 ml  + silico maxx  @ 50 ml, @ 150 to 200 litres of water per acre.

Mite

Symptoms –

  • This insect is small in size, which is found in large quantities on the soft parts of crops like leaves, flower buds, and twigs.

  • White spots appear on the leaves.

  • The plants on which there is an outbreak of spider webs appear on that plant, this kit sucks the juice of the soft parts of the plant and weakens them and in the end the plant dies.

control –

  • Spray Abacin (Abamectin 1.8% EC) @ 150 ml or Omite (Propargite 57% EC) @ 200 ml + silico max @ 50 ml, @ 150 to 200 liters of water per acre. 

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Management of viral diseases in Bitter Gourd

27/03/2020Posted on
  • In Bitter Gourd, viral diseases are caused by white flies and aphids.
  • In this disease, irregular, light and dark green and yellow stripes or spots appear on the leaves.
  • The leaves then turn, block, shrink and the veins of the leaves become dark green or light yellow.
  • The plant remains small and the fruits seem to be full or fall off.
  • White fly and aphid should be controlled to prevent this disease.
  • Spraying of acetamiprid 20% SP @ 40g / acre and streptomycin 20g in 200 liters of water at an interval of 10-15 days to protect such insects. Or
  • Spray spraying with Streptomycin 20 g + Diafenthiuron 50 WP 300 gm per acre in 200-250 liter water.
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Prevention of bitter gourd from sucking pests 

27/03/2020Posted on

Sucking pests such as aphid, jassid, whitefly, mealybug can seriously damage the Bitter Gourd crop.

  • Use Imidacloprid 17.8 SL 5 ml per 15 litres of water to protect against sucking pests or
  • Spray Thiamethoxam 25 WG 5 g per 15 litres of water
  • Insecticides should be sprayed in turn so that the insects do not produce resistance against insecticides.
  • Use Bavaria Basiana 1 kg per acre through the organic medium. Or you can use it along with the above-mentioned pesticides.
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How to save the Bitter Gourd crop from Anthracnose disease

26/03/2020Posted on
  • It’s a very harmful disease of Bitter gourd.
  • Initially irregular yellow or brown spots start appearing on the leaves.
  • In the next stages, these spots become darker and spread on the entire leaves.
  • Small dark spots are produced on the fruit which then spread on the whole fruit.
  • Pink spores are formed between these spots in wet weather.
  • Due to this, the process of photosynthesis is interrupted and the plant growth stops completely.
  • To prevent this disease, treat the seeds at the rate of Carboxin 37.5 + Thiram 37.5 @ 2.5 g / kg seed.
  • Spray Mancozeb 75% WP 400 gram/acre or chlorothalonil 75% WP 300 gram/acre at 10 days intervals.
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Management of Powdery mildew disease in bitter gourd

26/03/2020Posted on
  • First of all, white-grey spots start appearing on the upper part of the leaves which later grow into white coloured powder.
  • This fungus draws nutrients from the plants and hinders photosynthesis, which stops the plant’s growth.
  • With the growth of the disease, the infected part dries up and the leaves fall off.
  • Hexaconazole 5% SC 400 ml or Thiophanate methyl 70 WP 200 ml or Azoxystrobin 23 SC with 200 to 250 litres of water for an interval of fifteen days.
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