Organic FarmingAgroStar Agronomy Centre of Excellence
Integrated Pest Management in Soybean Crop
Various insects that infect soybean crop are leaf folder, leaf-eating caterpillar, tobacco leaf-eating caterpillar, Spodoptera litura larva, and others. Using an all-inclusive pest control system, i.e. an integrated pest management system, can lead to better control within minimum expenditure.
• During the summer, deep ploughing in the fields destroys the dormant state of the ground moths and cells. It also destroys the fungus and spores of fungal diseases.
• Sow 100-200 grams of sorghum seed along with the main crop while sowing soybean. This sorghum crop attracts birds and thus protects the primary crop from harm caused by birds.
• Use balanced nitrogen fertilizers for soybean crops. Since the soybean crop is diploid, there is minimal need for nitrogen fertilizers.
• The castor plant should be planted as a trap crop around the field. This will assist regulate larvae of Spodoptera.
• The pheromone trap should be installed 10 to 20 days after sowing @ 4 traps per acre.
• Spray 5% neem extract on the plant canopy as soon as the adult moth is caught in the trap. If required, give a spray again at 3-day intervals.
• The "T" sticks should be mounted in the field at a height of 3-5 metres within 3-5 days of sowing. This enables the birds to sit and regulate the insects naturally.
• Release biocontrol agents such as Beauveria bassiana or Pneumonia relay for biological control of multiple larvae on soybeans.
Source: Shri. Tushar Ugale, Entomologist
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