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29
Jul

Management of Gall midge (Sanrhakeet)

1. Ploughing under the ratoon of previous crops can reduce infestation.

2. Control of grassy weeds and wild rice (alternate hosts) from surrounding areas can reduce Gall midge incidence.

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

4. Chemical control: Carbofuran 3G @ 30 kg/ha is found to be highly effective in controlling the insect populations.

29
Jul

Rice Gall midge (Sanrhakeet)

 

Scientific name: Orseolia oryzae, Cecidomyiidae, Diptera. Local name: Sanrhakeet. Symptom of attack: The central shoot instead of producing leaf produces a long tubular structure. When the gall elongates as an external symptom of damage, the insect will be in pupal stage and ready for emergence. . Nature of damage: The maggot bores i
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