Okra is a heat loving plant, growing best in southem climates in a well draining. Today I am discuss this article how to control okra disease management/ lady finger plant disease..
Lady finger plant disease with control method
This is a minor disease. The seedlings are attacked at the ground level and the diseased portion is constricted resulting in falling of the seedling.
i) Treat the seeds with Agrosan GN or Ceresan wet @ 2g/kg seed. Thiram or Captan @3g/kg of seed also gives good production.
ii) Drench the soil with Captan suspension @2.5g/litre of water in case of heavy infestation.
The typical symptom appears as yellow and stunting of the plant, followed by wilting and rolling of the leaves. Finally the plants dise. The leaves hang down during day time and recover again in the night but ultimately they wilt and plant dise. The whole stem is blackened in case of severe attack. The fungus survives in the form of chlamydospores in the soil.
The fungus C. abelmoschi grows as a sooty mould on the lower surface of the leaves. Badly affected leaves roll, with and fall down. C. malayensis causes brown, irregular spots with grey centre and dark coloured margins.
The fungi survive through the conidia and stromata on the disease plant debris in the soil.
Spray the crops with copper oxychloride (Fytolan or Blitox-50) @ 3g/litre of water or Dithane Z-78 or M-45 or Captan @2g/litre of water at regular intervals.
Characteristic white grayish powdery coating is discernible on the surface of severely affected leaves. The leaves turn yellow and finally drop.
Spray wettable sulphur @2g/litre of water in case of heavy infection. Repeat spraying after 8-10 days if needed.
Yellow vein mosaic
The characteristic symptom are clearing of small veins and veinal chlorosis of leaves. The yellow network of veins is very conspicuous and the veins and veinlets are thickened. The chlorosis extends network of veins is very conspicuous and the veins. The chlorosis extends to the interveinal areas and in case of service infection the whole leaf turns yellow. The fruit are dwarfed, malformed and yellowish green in colour.
i) Sow resistant various.
ii) Spraying schedule for controlling jassids and whitefly will also take care of this disease.
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