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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How to Control of red pumpkin beetle in pumpkin and ridge gourd crop

12/03/2020Posted on
  • Destroy the remains of the old crop.
  • if the insect appears in the early stage of the crop, destroy them by hands.
  • Spray Cypermethrin 25% EC 150 ml/acre + Dimethoate 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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Identification of Red Pumpkin Beetle in pumpkin and ridge gourd crop 

11/03/2020Posted on
  • The grubs feed on the roots and underground portion of host plants and fruits touching the soil.
  • After damaging of roots, a portion of stems start rotting due to secondary infection by saprophytic fungi, and the unripe fruits of such vines dry up.
  • Infested fruits become unfit for human consumption.
  • Adult beetles feed voraciously on leaf lamina making irregular holes.
  • They prefer young seedlings and tender leaves and the damage may even kill the seedlings.
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Control of Red Pumpkin Beetle in Bitter Gourd

20/12/2019Posted on
  • As insect pupates in the soil, deep plowing soon after the crop exposes and kill grubs and pupae.
  • Apply Cartap hydrochloride 3 G granule + 2 kg beauveria bassiana 3-4cm deep in the soil near the base of germinated seedlings.
  • Spray the crop with2 kg beauveria bassiana + Cypermathrin 4 % EC +Profenofos 40%EC @ 400 ML/acre.or
  • Spray the crop with 2 kg beauveria bassiana +  lambda Cyhalothrin 4.9%CS @ 200ml/acre.
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Identification of Red Pumpkin Beetle in Bitter Gourd

20/12/2019Posted on
  • The grubs feed on the roots and underground portion of host plants and fruits touching the soil.
  • The damaged roots and infested underground, a portion of stems start rotting due to secondary infection by saprophytic fungi, and the unripe fruits of such vines dry up.
  • Infested fruits become unfit for human consumption.
  • Adult beetles feed voraciously on leaf lamina making irregular holes.
  • They prefer young seedling and tender leaves and damage may even kill the seedlings.
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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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Red Pumpkin Beetle in Bitter Gourd

15/04/2018Posted on

Red Pumpkin Beetle in Bitter Gourd:-

Damage-

  • The grubs feed on the roots and underground portion of host plants and fruits touching the soil.
  • The damaged roots and infested underground, portion of stems start rotting due to secondary infection by saproliytic fungi, and the unripe fruits of such vines dry up.
  • Infested fruits become unfit for human consumption.
  • Adult beetles feed voraciously on leaf lamina making irregular holes.
  • They prefer young seedling and tender leaves and damage may even kill the seedlings.

Control-

  • As insect pupate in the soil, deep ploughing soon after the crop exposes and kill grubs and pupae.
  • Apply Cartap hydrochloride 3 G granule 3-4cm deep in soil near base of germinated seedlings.
  • Spray the crop with Cypermethrin 25% EC (1 ml/lit) +Dimethoat 30% EC (2 Ml/litre ) or Carbaryl 50% WP (3 gm/Litre) of water at fortnight intervals starting from 25 days after transplanting to control the pest.

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Control of Red Pumpkin Bettle in Watermelon

23/03/2018Posted on

Red Pumpkin Beetle in Watermelon:-

Damage-

  • The grubs feed on the roots and underground portion of host plants and fruits touching the soil.
  • The damaged roots and infested underground, portion of stems start rotting due to secondary infection by saproliytic fungi, and the unripe fruits of such vines dry up.
  • Infested fruits become unfit for human consumption.
  • Adult beetles feed voraciously on leaf lamina making irregular holes.
  • They prefer young seedling and tender leaves and damage may even kill the seedlings.

Control-

  • As insect pupate in the soil, deep ploughing soon after the crop exposes and kill grubs and pupae.
  • Apply Cartap hydrochloride 3 G granule 3-4cm deep in soil near base of germinated seedlings.
  • Spray the crop with Cypermethrin 25% EC (1 ml/lit) +Dimethoat 30% EC (2 Ml/litre ) or Carbaryl 50% WP (3 gm/Litre) of water at fortnight intervals starting from 25 days after transplanting to control the pest.

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Red Pumpkin Beetle in Cucurbitaceae

11/01/2018Posted on

Red Pumpkin Beetle-

Identification-

  • Eggs are spherical in shape and yellowish pink in colour, changes in to orange after a couple of day.
  • Freshly hatched grubs are dirty white in colour where as fall grown ones are creamy yellow and about 22mm long.
  • Pupae are pale white and are found in earthen cells 15 to 25mm deep in the soil.
  • Adult beetles are 6-10mm long and having glistering red to yellowish brown elytra that are infirmly covered with fine punctures.

Damage-

  • The grubs feed on the roots and underground portion of host plants and fruits touching the soil.
  • The damaged roots and infested underground, portion of stems start rotting due to secondary infection by saproliytic fungi, and the unripe fruits of such vines dry up.
  • Infested fruits become unfit for human consumption.
  • Adult beetles feed voraciously on leaf lamina making irregular holes.
  • They prefer young seedling and tender leaves and damage may even kill the seedlings.

Control-

  • As insect pupate in the soil, deep ploughing soon after the crop exposes and kill grubs and pupae.
  • Apply Cartap hydrochloride 3 G granule 3-4cm deep in soil near base of germinated seedlings.
  • Spray the crop with Cypermethrin 25% EC (1 ml/lit) +Dimethoat 30% EC (2 Ml/litre ) or Carbaryl 50% WP (3 gm/Litre) of water at fortnight intervals starting from 25 days after transplanting to control the pest.

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