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Control of Rice Blast

Control of Rice Blast :

The control measures of Rice Blast are as follows:

  • Growing resistant varieties
  • Seed treatment
  • Keeping field bunds weed free
  • Avoiding excess nitrogen application
  • Spraying with either tricyclazole 75WP @ 0.6g or isoprothiolane 40EC @ 1.5ml per litre of water.

Rice Blast

Rice Blast

There are two types of Rice blast

1. Leaf blast

2. Neck blast

Local name : Aggi tegulu

Symptoms of Leaf blast

1. The symptoms start with the appearance of small whitish, greyish or bluish spots of 1-3 mm diameter on the leaf blades.

2. The spots developed in the susceptible cultivars


Control of Sheath blight

Control of Sheath blight:

The control measures of Sheath Blight include:

a. Summer ploughing

b. Seed treatment

c. Optimum spacing

d. Clean cultivation and timely weed control

e. Avoiding excess nitrogen application

f. Spraying with hexaconazole @ 2.0ml or validamycin @ 2.0ml or propiconazole @ 1.0ml per litre of water.


Sheath blight

Sheath blight

Local name : Poda Thegulu

Causal organisam : Rhizoctonia solani

Symptoms :

1. Sheath blight disease usually appears in the later growth stages of the plant.

2. Initial symptoms usually develop as lesions on sheaths of lower leaves near the water line when plants


Major rice diseases of Andhra Pradesh

Major rice diseases of Andhra Pradesh

Major rice diseases of Andhra Pradesh are

1. Sheath blight

2. Blast

3. BLB

4. Stem rot

5. Red stripe

6. Sheath rot

7. False smut

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