Rainfed rice - IRRI books - International Rice Research Institute

Gall midge
Summer ploughing.
Timely sowing/transplanting.
Grow location-specific resistant varieties such
as Shaktiman, Vikram, Falguna, Mahamaya,
Daya, Rajendradhan, Dhanyalakshmi, Pratap,
Samalei, CR-57, Surekha, etc.
Judicious use of nitrogen.
Eight to ten days before transplanting, apply
phorate 10G at 10 kg/ha or carbofuran 3G at
25 kg/ha in nursery beds or seedling dip of
nursery with 0.02% chlorpyriphos for 8-10
hours. In the transplanted crop, spray the
same insecticides as for stem borer at an
estimated threshold level of 5% silver shoots.
Brown planthopper and white-backed
planthopper
Timely planting.
Judicious use of nitrogen fertiliser.
Grow tolerant varieties such as Uday,
Krishnaveni, Chaitanya, Vikram or Sarasa.
Use light trap.
When insects reach the estimated threshold
level of 10/hill, spray the crop with
monocrotophos 36EC at 0.75 1/ha, carbaryl
50WP at 2.5 kg/ha, chlorpyriphos 25EC at 1.0
1/ha or Asataf (acephate) 75 SP at 0.625 kg/
ha.
Leaffolder
Burn stubble and straw.
Balance use of fertilisers.
Spray monocrotophos 36EC, chlorpyriphos
25EC, quinolphos 25EC or endosulphan 35EC
at 0.75-1.25 1/ha depending on crop growth at
the estimated threshold level of one leaf/hill.
Insect Pest Management
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