Symptoms and control of Fusarium wilt in Okra

08/11/2019Posted on
  • Initially, the plants show temporary wilting symptoms which become permanent and progressive.
  • The leaves of the affected plants show yellowing.
  • Eventually, the plants die.
  • The fungus invades the root system and colonizes the vascular symptoms.
  • In doing so, water movement is blocked and toxins from the fungus alter normal cell function.
  • Cutting the base of the stem revel a dark woody portion.

Management

  • Continuous cultivation of okra on the same piece of land should be avoided.
  • Seed treatment with Carboxin 37.5% + Thiram 37.5% @ 2-3 g/kg of seed OR  Thiophanate Methyl 45% + Pyraclostrobin 5% FS @ 2 g/kg of seed.
  • spray and drenching with Thiophanate methyl 70% WP @ 400 g/acre.
  • Azoxystrobin 18.2% + Difenoconazole 11.4% SC @ 200 ml/acre.
  • RFor bio management, apply Trichoderma viridae for soil application and foliar spray. It controls all types of fungal infections in the crop.

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Control of Fusarium Wilt in Gram

12/10/2019Posted on

Control of Fusarium Wilt in Gram:- Wilt in chickpea (Gram) caused by Fusarium oxysporum fungi. Warm and humid environment is favourable for it. the prevention of the disease, the following precautions have to be taken.

  • Conserved soil moisture during Monsoon.
  • Level up after deep ploughing (6-7 inch).
  • Use disease-free seed.
  • Follow 6-year crop rotations.
  • Grow resistant varieties.
  • Seed treatment with Carboxin 37.%+ Thiram 37.5% @ 2 gm /kg or Trichoderma viride @ 5 gm/kg.
  • Avoid sowing when temperature are high. Sown in second and third week of October.
  • Irrigation in November-December.
  • Apply Mycorrhiza @ 4 kg/acre at 15 days after sowing.
  • Spraying Thiaphanate methyl 75% WP @ 300 gm/acre at before flowering.
  • Spraying Propiconazole 25% EC @ 125 ml/acre at pod formation stage.

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Prevention of Fusarium Wilt in Gram

01/10/2019Posted on

Control of Fusarium Wilt in Gram:- Wilt in chickpea (Gram) caused by Fusarium oxysporum fungi. A warm and humid environment is favorable for it. the prevention of the disease, the following precautions have to be taken.

  • Conserved soil moisture during Monsoon.
  • Level up after deep plowing (6-7 inches).
  • Use disease-free seed.
  • Follow 6-year crop rotations.
  • Grow resistant varieties.
  • Seed treatment with Carboxin 37.%+ Thiram 37.5% @ 2 gm /kg or Trichoderma viride @ 5 gm/kg.
  • Avoid sowing when the temperature is high. Sown in the second and third weeks of October.
  • Irrigation in November-December.
  • Apply Mycorrhiza @ 4 kg/acre at 15 days after sowing.
  • Spraying Thiaphanate methyl 75% WP @ 300 gm/acre at before flowering.
  • Spraying Propiconazole 25% EC @ 125 ml/acre at pod formation stage.

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Control of Fusarium wilt in cotton crop

11/09/2019Posted on
  • Level up after deep plowing (6-7 inches).
  • Use disease-free seed.
  • Follow 6-year crop rotations.
  • Grow resistant varieties.
  • Seed treatment with Carboxin 37.%+ Thiram 37.5% @ 2 gm /kg or Trichoderma viride @ 5 gm/kg.
  • Apply Mycorrhiza @ 4 kg/acre at 15 days after sowing.
  • Spraying Thiaphanate methyl 75% WP @ 300 gm/acre at before flowering.
  • Spraying Propiconazole 25% EC @ 125 ml/acre at pod formation stage.

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Symptoms of Fusarium wilt in cotton

11/09/2019Posted on
  • Causal organism: Fusarium oxysporum f.sp. Vasinfevtum
  • Wilt is one of major diseases of cotton. 
  • Discolorations of leaves start from the margins and spread towards midribs.
  • The veins become darker, narrower and spots.
  • Browning and blackening of vascular tissues.

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Control of Fusarium wilt in cotton crop

02/09/2019Posted on
  • Level up after deep plowing (6-7 inches).
  • Use disease-free seed.
  • Follow 6-year crop rotations.
  • Grow resistant varieties.
  • Seed treatment with Carboxin 37.%+ Thiram 37.5% @ 2 gm /kg or Trichoderma viride @ 5 gm/kg.
  • Apply Mycorrhiza @ 4 kg/acre at 15 days after sowing.
  • Spraying Thiaphanate methyl 75% WP @ 300 gm/acre at before flowering.
  • Spraying Propiconazole 25% EC @ 125 ml/acre at pod formation stage.

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Symptoms of Fusarium wilt

02/09/2019Posted on
  • Causal organism: Fusarium oxysporum f.sp. Vasinfevtum
  • Wilt is one of major disease of cotton. 
  • Discolorations of leaves start from the margins and spread towards midribs.
  • The veins become darker, narrower and spots.
  • Browning and blackening of vascular tissues.

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Control of wilt in okra

23/03/2019Posted on
  • Initially, the plants show temporary wilting symptoms which become permanent and progressive.
  • The leaves of the affected plants show yellowing, loose turgidity and show drooping symptoms.
  • Eventually, the plants die.
  • Cutting the base of the stem revel a dark woody portion.
  • Continuous cultivation of okra on the same piece of land should be avoided.
  • Crop rotation should be applied in case of fields are severely infected.
  • Spray of thiophanate methyl 70% WP @ 200-300 gm /acre.
  • And spray of hexaconazole 5% EC @ 250-400 ml/acre is also effective.

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Control of fusarium wilt in muskmelon

20/03/2019Posted on
  • Muskmelon plants get infected early in the season and they do not produce more fruit.
  • The first signs of fusarium wilt appear on older leaves. Leaves are yellowing and dry. The symptoms of this disease are most clearly seen during the heat of the day.
  • Brown cracks are visible in the stem, from which the brown red-coloured exudate.
  • Use the disease-free seed for sowing.
  • Plough the fields deep, destroy the weeds and make proper drainage.
  • For the effective control of fusarium wilt use the Propiconazole 25% EC @ 200 ml/acre or thiophanate-methyl 70 % WP @ 250-500 gm/acre.

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Control of fusarium wilt in watermelon

18/03/2019Posted on
  • Diseases are more common in sandy soil.
  • Destroy infected plants and plant debris.
  • Use of disease-free seed.
  • Seed treatment with carbendazim @ 2 gm/kg seeds before sowing.
  • Use Propiconazole 25% EC @ 80-100 ml/acre when the disease appears on the watermelon plant.

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