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12
Jul

Leaf folder

Leaf folder

Local name: Akumudatha Purugu

Causal organism: Cnaphalocrocis medinalis

Symptoms :

1. The larvae prior to feeding, fold the leaves longitudinally and fasten the leaf margins with stitches of thread-like silk.

2. The larvae feed by scraping the green mesophyll

12
Jul

Control of Gallmidge

Control of Gallmidge

1. Avoiding staggered planting (complete planting in an area within 3 weeks) to reduce infestation.

2. Apply phorate 10G @ 12.5 kg/ha or carbofuran 3 G @ 25 kg/ha at 15 DAT in 1– 2 inches of standing water.

12
Jul

Gallmidge

Gallmidge

Local name: Gottala purugu

Causal organism: Orseolia oryzae

Symptoms :

1. The chief stage of Gall midge which causes damage is the maggot. The maggot feeds on the growing tip and suppresses the leaf primordial differentiation.

2. This in turn induces the development of

12
Jul

Control of Stem Borer

Control of Stem Borer  

12
Jul

Stem Borer

Stem Borer

Local name: Kandam tholochu purugu

Causal organism: Scirpophaga Incertulas

Symptoms :

1. The larvae of the borers enter the tiller, feed, grow and cause the characteristic symptoms of ‘dead hearts’ or ‘white ears’ depending on the

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