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Good Agricultural Practices of Bitter gourd, Crop Protection : Insects & Management

Posted by Sanjeeva Reddy on

              Bitter gourd

Bitter gourd(Bitter Gourd (Momordica charantia)  crop like other gourd crops, is attacked by certain insects and diseases in its growth and development stages starting from bitter gourd seeds stage. Weeds have also competition with bitter gourd plants. 

               Weeds in bitter gourd

Weed management: Bitter gourd seeds once sown in the field, no selective herbicides are available for spraying in bitter gourd family. However non selective herbicides like Gramoxone or Roundup can be sprayed before cultivation to kill grown up weeds in the main fields.

              Weed management in bitter gourd before cultivation

Insects

Aphids and Thrips
Aphids and thrips damage gourds plants by feeding on plant sap, and by spreading important viral diseases such as papaya ring spot, zucchini yellow mosaic, and cucumber mosaic.

                   Thrips and Aphids infestation on Gourd crops

For control Sucking pests [ Thrips, Aphids , Green leaf hoppers, Jassids]

Confidor Super [Imidachloprid 30.5 %] 0.3 mL/L OR Hunk [Acephate]) 2 g/litre OR Tracer [Spinosad 480 SC] 0.375 mL/L

                   Spray for control of sucking pests on  gourd crops available on bighaat

Leaf miners
Leaf miners are small, yellow maggots that form trails or mines beneath the leaf epidermis as they feed.

                    Leaf miners infestation on Gourd crops

For control Leaf miners

Abacin 1 mL/L OR Caldan SP – 2 gm/L OR Benevia [Cyantraniliprole] 2 mL/L + Econeem plus 1 % - 1 mL/L

              Control of leaf miners in Bitter gourd

Fruit fly [Melon Fly]

The fruit fly has long been a major pest of gourds. Infested fruit frequently rot, either in the field or after harvest. Attacks are severe on young developing fruit, especially under high humidity conditions after summer rains.

          Fruit flies infestation on  bitter Gourd crops

Periodically monitor melon fly populations through trapping. Fruit fly traps can be installed at fruit stage to bring down the fruit fly infestation on mango fruits.

          Fruit fly trap for gourd fruits

Whiteflies
Whiteflies not only suck the sap but also by spreads important viral diseases such as papaya ring spot, zucchini yellow mosaic and cucumber mosaic.

           Whiteflies infestation on Gourd crops

For control of white flies

Prime gold [Acetamiprid] 0.5 gm/L OR Odis [Buprofezin 15% + Acephate 35% WP] 2 gm/L

          Spray for control of white flies on  gourd crops available on bighaat

Caterpillars
Cutworms which include the variegated cutworm and the black cutworm can devastate young cucumber plants by chewing through the stems at the soil line. Cutworms are active at night.

          Caterpillar infestation on bitter gourd crops

For control of cutworms,leaf, flower feeder and fruit borer

Coragen [Chlorantraniliprole] or 0.33 mL/L OR Plethora [Novaluron 5.25% + Indoxacarb] 1 mL/L or Emagold 0.5 gm/L + Econeem plus 1 % 1 mL/L

  Spray for control of caterpillars on gourd crops available on bighaat

Mites
Outbreaks of red spider mites occur occasionally, especially during hot, dry weather. Spider mites feed on plant sap and prefer to live on the leaf underside. Their feeding causes stippling of white areas on the leaves.

     Red spider mites infestation on bitter gourd crops

For control of Red Spider mites

Maiden [Hexythiazox] 1.5 mL/L OR Magister [Fenazaquin] 2 ml/litre + Multiplex Kranti 2 mL/L

   Spray for control of red spider mites on  gourd crops available on bighaat

Root-knot nematodes
Meloidogyne incognita are microscopic roundworms that feed on the roots of plants that may attack bitter gourd crop also. Adult stages of the nematode live inside these root swellings and these root galls prevent the normal water and nutrient uptake by roots. Nematode numbers are often higher in sandy soils under warm summer weather.

         Nematodes infestation on Gourd crops

For control of Nematodes in infested standing crops

  1. Drenching for individual plants 100 to 150 mL of following mixtures at 15 days interval

          Drenching  for control of nematodes on gourd crops available on bighaat

            Drenching for control of nematodes on  gourd crops available on bighaat

  1. Through drip irrigation in 500 L of following mixtures at 15 days interval

              Drenching  for control of nematodes on gourd crops available on bighaat

               Drenching for control of nematodes on  gourd crops available on bighaat

For more information kindly call on 8050797979 or give missed call on 180030002434 during office hours 10 AM to 5 PM

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 Disclaimer: The performance of the product(s) is subject to usage as per manufacturer guidelines. Read enclosed leaflet of the product(s) carefully before use. The use of this product(s) /information is at the discretion of user.

 

 


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