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Disease/Pest

area wise diseases

Crop Name:

Sesamum

Disease Name/Pest:

Phyllody

Reported Area:

Kolluru and Donepudi of Kollur Mandal

Symptoms:

The symptoms starts with vein clearing of leaves.
The disease manifests itself mostly during flowering stage, when the floral parts are transformed into green leafy structures, which grow profusely. The flower is rendered sterile.
The veins of phylloid structure are thick and prominent.
The plant is stunted with reduced internodes and abnormal branching.

Causal_organism:

Phytoplasma

Curative Measures:

Spray Dimethoate 30 EC @ 500ml/ha at 30, 40 and 60 days after sowing.
Rogue out the infected plants periodically.

Preventive Methods:

Avoid growing sesamum near Cotton, Groundnut & Grain legumes.
Remove all the reservoir and weed hosts.
Soil treatment with Thirnet 10G (or) Phorate 10G at the time of sowing.
Intercrop sesame with Pigeon pea (6:1).
Seed treatment with Imidacloprid (or) Carbosulfan protects the crop from all sucking pests including leafhoppers about a month.

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