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BPH/WBPH:

• Spray acephate @ 1.5 g or monocrotophos @ 2.2 ml or ethofenprox @ 2.0 ml or fenobucarb @ 2.0 ml or imidacloprid @ 0.25 ml or thiamethoxam @ 0.2 g or Buprofuzin 1.6ml per litre of water.

• Spray fluid (200 litres/acre) should be directed towards the base of the plant.

• Avoid spraying of combination of insecticides and synthetic pyrethroids.

• If second spray is warranted alternate the previous chemical preferably belongi

25
Jul

Chemical control of pests at Tillering stage in Southern Zone

Stemborer, Thrips and Hispa:

• Spray monocrotophos @ 36 SL 1.6 ml or chlorpyriphos 20 EC @ 2.5 ml or phosphamidon 40 SL@ 2.0 ml/litre of water.

Gallmidge:

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

Leaf folder:

• Spray profenophos @ 2.0 ml or chlorpyriphos @ 2.5 ml or monocrotophos 36 SL @ 1.6 ml/litre of water.

His

25
Jul

Plant Protection for Southern Zone

1. Plant protection measures are of two types

• Cultural practices.

• Chemical control

2. Chemical control Practices can be done at different stages of crop growth like Tillering stage, Panicle initiation to booting stage, Post flowering.

25
Jul

Irrigation for Southern Zone

• Avoid moisture stress at tillering, panicle initiation, flowering and grain filling stages.

• A thin film of water (2-3 cm) should be maintained at the time of weedicide application and should not be drained upto one week.

• Maintain water level at 5 cm depth during first seven days after planting and there after up to completion of tillering at 2-3 cm depth.

• Maintain water level at 5 cm depth from panicle initiation to grain maturity.

• D

25
Jul

Correction of Zinc deficiency Southern Zone

• In zinc deficient endemic areas like saline and alkaline soils, low lying fields, recently levelled fields and fields which received large quantities of organic materials with wider C: N ratio like paddy straw, basal application of 50 kg zinc sulphate /ha once in three crop seasons is suggested as a prophylactic measure.

• In other fields, if zinc deficiency is observed, spraying of 0.2% zinc sulphate solution thrice at 5 days interval is advocated.

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