Downy mildew control in muskmelon

Downy mildew control in muskmelon:- Water soaked lesions appear on undersurface of leaf lamina. Angular spots appear on upper surface similar to water-soaked lesions….

  • Water soaked lesions appear on undersurface of leaf lamina.
  • Angular spots appear on upper surface similar to water-soaked lesions.
  • Lesions appear first on the older leaves and progressively on the younger leaves.
  • As the lesions expand, they may remain yellow or become dry and brown.
  • Affected vines do not set fruit properly.
  • Plucking and destroy of affected leaves.
  • Spray with Mancozeb 75% WP @ 350-400 gm/acre or Chlorothalonil 75% WP @ 200-250 gm/ acre.
  • Crop rotation and sanitation reduces the severity of the disease.

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Anthracnose control in watermelon

Anthracnose control in watermelon:- Clean cultivation and crop rotation minimize disease incidence. Treat the seed with Carbendazim 50% WP @ 2.5 gm/kg.  

  • Clean cultivation and crop rotation minimize disease incidence.
  • Treat the seed with Carbendazim 50% WP @ 2.5 gm/kg.  
  • Spray Mancozeb 75% WP @ 400 gm/acre or chlorothalonil 75% WP @ 300 gm/acre at 10 days intervals.

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Downy mildew control in watermelon

Downy mildew control in watermelon:- Water soaked lesions appear on undersurface of leaf lamina. Angular spots appear on upper surface similar to water-soaked lesions.

  • Water soaked lesions appear on undersurface of leaf lamina.
  • Angular spots appear on upper surface similar to water-soaked lesions.
  • Lesions appear first on the older leaves and progressively on the younger leaves.
  • As the lesions expand, they may remain yellow or become dry and brown.
  • Affected vines do not set fruit properly.
  • Plucking and destroy of affected leaves.
  • Spray with Mancozeb 75% WP @ 350-400 gm/acre or Chlorothalonil 75% WP @ 200-250 gm/ acre.
  • Crop rotation and sanitation reduces the severity of the disease.

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Control of gummy stem blight in bottle gourd

Control of gummy stem blight in bottle gourd:-In this disease, there is an infection in all the parts except the root of the plant. Early symptoms: Yellowness/greenness is seen on the edges of the leaves of…

  • In this disease, there is an infection in all the parts except the root of the plant.
  • Early symptoms: Yellowness/greenness is seen on the edges of the leaves of the plant, and the surface filled with spots appear.
  • The wound is formed on the stem of the plant that is infected with this disease, from which the red-brown, black-colored gummy substance is released.
  • On the string, brown spots become black spots which later go to the wound.
  • In bottle gourd seeds have medium-brown, dark spots.

Management:-

  • Choose healthy seeds.
  • Inspect transplantation and uproot the infected plants and leave the farm out of the field.
  • On the appearance of illness, immediately spray chlorothalonil 75% WP @ 350gm / acre or tebuconazole 25.9% EC @ 200 ml / acre solution.

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Alternaria leaf blight control in bottle gourd

Alternaria leaf blight control in bottle gourd:-

  • Yellow spots appear on leaves which turn brown and finally turn black on aging. 
  • They usually start from margins and produce concentric rings.  
  • Severely affected vines look like burnt charcoal.
  • Adopt clean cultivation and crop rotation cultural practices are adopted for prevention of disease. 
  • Spray Mancozeb 75% WP @ 400 gram/acre or hexaconazole 5% SC @ 300 ml/acre at 10-15 days intervals.
  • Spray chlorothalonil 75% WP @ 300 gram/acre at 10 days intervals.  

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Collar rot control in bottle gourd

Collar rot control in bottle gourd:- Dark brown water-soaked lesions and girdling at the base of stem occurs. Finally, the entire plant to rot and die. Cottony white mycelium…

  • Dark brown water-soaked lesions and girdling at the base of stem occurs. Finally, the entire plant to rot and die.
  • Cottony white mycelium in the surface of the infected tissue occurs with advanced infections.
  • Affected plants can be easily uprooted but the lower part of the root usually remains in soil.
  • Treat the seed with Carbendazim 50% WP @ 2.5  gm/kg of seed before sowing.
  • Drench vine with Mancozeb 63% + Carbendazim 12% WP @ 400 gm/acre or thiophanate methyl 70% WP @ 300 gm/acre are recommended for control.
  • Previous crop residues should be buried deep.

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Control of anthracnose in bottle gourd

Control of anthracnose in bottle gourd:- Clean cultivation and crop rotation minimize disease incidence. Treat the seed with Carbendazim @ 2.5 gm/kg seed…..

  • Clean cultivation and crop rotation minimize disease incidence.
  • Treat the seed with Carbendazim @ 2.5 gm/kg seed.  
  • Spray Mancozeb 75% WP @ 400 gm/acre or chlorothalonil 75% WP @ 300 gm/acre at 10 days intervals.  

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Control of downy mildew in Snake gourd

Control of downy mildew in Snake gourd:- During wet season, corresponding lower surface is covered with faint purplish fungal growth. The entire leaf dries up quickly.

  • During wet season, corresponding lower surface is covered with faint purplish fungal growth.
  • The entire leaf dries up quickly.
  • Use of bed system with wide spacing with good drainage and air movement and exposure to sun help to check the disease development.
  • Spray with Mancozeb 75% WP @ 350-400 gm/acre or Chlorothalonil 75% WP @ 200-250 gm/ acre.

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Control of Powdery Mildew of Snake gourd

Powdery Mildew of Snake gourd:-White to dirty gray spots or patches appears on leaves which become white powdery as they enlarge.

  • White to dirty gray spots or patches appears on leaves which become white powdery as they enlarge.
  • Fortnightly spray hexaconazole 5% SC @ 300 ml per acre or thiophanate methyl 70% WP @ 400 gm per acre.

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