The caterpillars of this insect eat the green matter of the leaves and only white membrane is left behind on the eaten area which later turn into holes.
Chemical control: Spray the spinosad 45% SC @ 300 ml / acre or Emamectin Benzoate 5% SG @ 100 gram / acre or Profenophos 40% + Cypermethrin 4% EC @ 400 ml / acre.
As a biological treatment,use Beauveria Bassiana 250 gram/acre
Fruit borer: The caterpillar of Helicoverpa armigera is the main pest of okra crops. If it is not controlled at the right time, then it can damage the crop by 22-37 percent. It eats leaves, flowers and fruits. It makes round holes in the fruit .
To control this, use the following products.
The spread or outbreak of insect numbers can be monitored by the Pheromone trap. The Pheromone trap attracts pests of the opposite sex.
Prevention of harmful diseases is necessary for production of onion and garlic. Onion and garlic crops are attacked by many diseases.
But if viewed economically, some diseases cause a lot of damage and highly affect the yield of onion and garlic crops than others. Such diseases need to be prevented.
Fungal diseases that infest the onion and garlic crops are as follows
Basal rot ,white rot, purple bloch ,Stemphylium Blight etc.
For prevention of these disease use following products.
Thiophanate Methyl 70% W/w@ 300 gram/acre or Carbendazim 12% + Mancozeb 63% @ 300 gram/acre or Hexaconazole 5% SC @ 400 gram/acre or kitazin 48 % EC @ 200 ml/acre or Chlorothalonil 75% WP @ 250 gram/acre or Tebuconazole 10% + Sulphur(s) 65% WG @ 500 gram/acre.