Do's & Don’ts in Cotton Production
  • Cotton cultivation should be done only in well drained black cotton soils or red sandy loamy soils. Take up deep summer ploughing upto 8 inches depth.
  • Growing fodder Jowar or maize as barrier crops around cotton and castor and marigold as trap crop in between cotton rows.
  • Use quality certified seed, optimum seed rate and timeliness in sowing.
  • Grow tolerant varieties/hybrids which are resistant to insect pests and diseases.
  • Seed dressing with Imidacloprid 5 g/kg seed or thiomethoxam 4 g/kg seed.
  • Growing intercrop for increasing the effectiveness of natural enemies.
  • Use high volume sprayers while spraying weedicides.
  • Stem application with monocrotophos or imidacloprid at 1:4 or 1:20 dilution at 20, 40 and 60 DAS for controlling aphids and leafhoppers in initial stages of crop growth.
  • Monitoring pests by using sticky, pheromone and light traps. The adult monitoring should be supported by egg and larval monitoring.
  • Bird perches @ 10 to 20 per acre for encouraging bird predation on bollworm larvae.
  • Release of Trichogramma egg parasite @ 1,50,000/ha and chrysopa egg larval predator @ 10000/ha, as soon as the first brood of bollworms are noticed.
  • Use of biopesticides Helio NPV @ 500 LE/ha or Bt formulation @1/ha or neem seed kernel extract (5%) in synchrony with incidence of young larva of Helicoverpa. Neem oil formulation sprayed to manage whitefly initially.
  • Hand collection and destruction of egg masses and skeletonised leaves in respect of Spodoptera.
  • Removal of top leaves by topping of cotton plants when maximum egg laying of Helicoverpa armigera is noticed (October-November months period).
  • Need based application of insecticides.
  • Use of poison bait for Spodoptera @ 10 kg rice bran +1 kg jaggery + 1 liter chlorpyriphos or 250g thiodicarb per acre.
  • Removal of cotton stubbles after last picking without prolonging the crop growth to break the cycles of pests.
  • Use well calibrated sprayers.
  • Avoid moisture stress during flowering and boll formation stages.
  • Take up soil and moisture conservation measures for rainfed crop.
  • Foliar spray of 2% urea at the initial reproduction stage is beneficial for increasing yields in rainfed drought conditions.
  • Don’t take up cotton cultivation in saline soils as they are not suitable for cotton cultivation.
  • Don’t cultivate cotton crop in soils with poor drainage.
  • sow cotton crop after 15th August in any case. Avoid late sowing.
  • Don’t take up intercropping of cotton with similar long duration crops or those which compete for nutrients or those which hamper spraying operations.
  • Don’t apply excess dosage of fertilizers than recommended as it will damage soil structure.
  • Don’t mix bioagents like trichoderm viridi or Rhizobium with chemical pesticides.
  • Avoid cocktail mixtures of chemical pesticides.
  • Don’t encourage but discourage synthetic pyrethroids.
  • Don’t apply sub lethal doses. It will result in pest resurgence.
  • Don’t grow susceptible varieties in frequently infected fields.
  • Don’t use uncalibrated sprayers as it will result in excess or lower dosage of chemicals.
  • Don’t take up plant protection sprayings when ETL of helicoverpa is less than one larva per plant as it is not economical.
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