- Acephate 75% SP @ 300 gm/acre (or)
- Chlorpyriphos 20% EC @ 500 -1000 ml/acre (or)
- Carbofuran 3 G @ 7.5 kg/acre.
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ShareControl of brown plant hopper in paddy crop
Brown plant hopper in Paddy crop
- crescent-shaped white eggs inserted into the midrib of the leaf sheath
- white to brown nymphs
- brown or white adults feeding near the base of tillers
- The feeding damage caused by planthoppers results in the yellowing of the plants.
- At high population density, hopper burn or complete drying of the plants is observed. At this level, crop loss maybe 100%.
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ShareHow to Control Root-Knot Nematode in Tomato
- Use resistant varieties.
- Do use deep summer plowing to control root-knot nematode.
- Neem cake at the rate of 80 Kg/Acre should be applied for effective control.
- Carbofuran 3G at the rate of 8 kg/acre should be applied as a soil treatment.
- Paecilomyces lilacinus-1% WP @ 10 g / kg seed for seed treatment, 50 gm / meter sq Nursery Treatment, 2.5 to 5 kg/ Hectare Soil application.
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ShareRoot-Knot Nematode in Tomato
Damage:-
- The nematode attacks the roots and produces tiny galls.
- The infected plants show symptoms of withering and wilting of leaves.
- It blocks the movement of nutrients and water in the plant system and subjected to wilt and finally leads to death.
- The growth of the plant is stunted by fruiting capacity adversely affected.
- Yellow of the foliage and wilting of the upper leaves occurs.
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ShareControl of Fusarium wilt in cotton crop
- 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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ShareSymptoms of Fusarium wilt
- 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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ShareControl of Mites in Chilli
Control of Mites in Chilli:-
- The tiny spider like insects are found large in numbers and the underside of leaves are covered with fine webs.
- Nymphs and adults suck sap from leaves.Affected leaves curl downward along the margins of the leaf and attain an inverted boat shape.
- Leaf petioles elongated and small leaves serrated and looks like bunchy.
- Leaves turn into dark grey in colour, reduce leaf sheath and stops flowering.
- In severe cases, fruit wall becomes hard and white strips appears on the fruit.
Control:-
- Acaricides like Sulphur 80% WP@ 3 Gm per litre of water gives effective control of mites.
- Twice spraying of Propargite 57% EC @ 400 ml/Acre in 7 days interval helps in controlling the pest in initial stage .
- Collection and burning of severely infested plant parts reduces further multiplication of mites.
- Proper irrigation and clean cultivation are essential to control the pest population.
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ShareAphids Attack in Chilli Crop
Aphids Attack in Chilli Crop:-
- Nymphs and adults are both soft bodied pear shaped, blackish in colour.
- Appear on the tender shoots, leaves and on the lower surface of the leaves.
- Suck the sap and reduce the vigor of the plant.
- Secrete sweet substances which attract ants and develop sooty mold.
Control:-Spray the crop with Following insecticides at 15-20 days interval till the end of aphid population checked.
- Profenofos 50% EC @ 50 ml/ Pump.
- Acetamiprid 20 SP @ 10 gm/Pump.
- Imidacloprid 17.8% SL @ 7 ml/pump.
- Fipronil 5% SC @ 40 ml/Pump.
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ShareHow to control Anthracnose or Pod Blight in Soybean crop
- Healthy seed should be selected for sowing.
- The seed should be treated with Thiram+Carboxin @ 2 g/kg of seed before sowing.
- Continuous sowing in the same plot should be avoided.
- Spray the crop with Carbendazim 12% +Mancozeb 63% WP@ 400 Gm/Acre at 10-15 days intervals, first spray be given on the appearance of symptoms.
- In Several Attack, spray the crop with Tebuconazole 25.9% EC @ 200 ml/Acre.
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ShareSymptoms of Anthracnose or Pod Blight in Soybean crop
- Soybeans are susceptible to infection at all stages of development. Plants and seeds may be infected.
- If the infected seed is planted, early disease development may result in damping-off (seed or seedling rot causing plant death). Dark brown lesions develop on cotyledons, the stem may collapse, and seedlings may die under severe infection.
- Most commonly, however, plants become infected during bloom and pod fill (reproductive stages) due to spores spread from infected plant residue.
- Symptoms appear on stems, pods, and leaf petioles as irregularly-shaped brown blotches.
- Severe symptoms may include leaf rolling, premature defoliation, and stunted plants. Pods may be shriveled and contain less seed, moldy seed, or no seed
- In some cases, pods can be diseased, and the seed may be infected but without symptoms in the seed.
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