Gramophone – Page 33

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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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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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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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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31/08/2019

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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31/08/2019

Aphids Attack in Chilli Crop:-

Control:-Spray the crop with Following insecticides at 15-20 days interval till the end of aphid population checked.

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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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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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summer deep ploughing
Destroy previous crop or plant debris
Spray Beauveria bassiana @ 1 ltr/acre during flower initiation period to spray should be done regularly 3 no moon day (Amavasya ).
Quinalphos 25 % EC @ 300ml/acre during pre-flowering stage of plant.
Profenofos 40%EC + Cypermethrin 4 %EC @ 500 ml/acre.
Fenpropthrin 10% EC @ 400ml/acre

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