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19
Jul

Control of Paddy Stem Borer

1. Apply carbofuran 3G @ 25 kg ha-1 (or) phorate 10 G @ 10 kg ha-1 or cartap 4 G @ 25 kg ha-1 or fipronil 0.3 G @ 25 kg ha. –1 or chlorpyriphos 10G @ 10 kg ha-1. 2. Spray quinalphos 25 EC @ 1600 ml ha-1 or monocrotophos 36 WSC @ 1100 ml ha-1or chlorpyriphos 20 EC @ 2000 ml ha-1or
19
Jul

Life Stages of Paddy Stem Borer

Egg: Eggs are creamy white, flattened, oval and scale like and laid in mass. Each egg mass consists of 15-80 eggs and covered with buff coloured hairs. Before hatching, the eggs darken to a purplish tinge. They are laid mostly near the tip of the leaves.

Larva: The hatched larvae move downward and wander about on the plant for 1 or 2 hours. They may hang down by a sliver thread and get to other plants with the help of the wind. They can also swim over t

19
Jul

Paddy Stem Borer

Order: Lepidoptera

Family : Pyraustidae

Scientific name : Scirpophaga incertulas

Local name:

19
Jul

Symptoms and Nature of damage of Earhead bug/ Gundhi bug

Symptom of attack of Earhead bug/ Gundhi bug : Leaves turn yellow and later rusted from tip downwards. Appearance of numerous brownish spots at the feeding sites / shrivelling of grains.

In the case of heavy infestation, the whole earhead may become devoid of mature grains. Its presence in the field is made out by i

19
Jul

Control of Earhead bug/ Gundhi bug

1. Spray monocrotophos 36 WSC @ 1500 ml ha-1 or endosulfan 35 EC @ 1500 ml ha-1or carbaryl 50 WP @ 1500 g ha-1during afternoon hours.

2. Dust malathion or carbaryl @ 30 kg of the formulation/ha.

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