Stem Borer
It infests the crop a month after sowing and upto emergence of cobs. Central shoot withering leading to “dead heart” is the typical damage symptom. Bore holes are visible on the stem near the nodes. Young larva crawls and feeds on tender folded leaves causing typical “shot hole” symptom.
Disease causing Species Name:
Sesamia calamistis
Major Plants under threat:
Maize
Method of Application:
Soil application, foliar spray,drip irrigation. se the spray solution as a direct spray targeting the pests on the undersides of the leaves.
Intervals:
Apply preferably in the early morning or during the late evening hours. Foliar Spray: Spray on the foliage during evening hours
Dosage:
The normal dosage is 20 g per plant.Soil Application: Mix 3 – 5 kg ABTEC Beauveria with 200 kg organic manure and apply uniformly to moist soil (1 acre). For tree crops mix 20 g with 1 kg organic manure and apply at the base.Foliar Spray: Mix 10 kg ABTEC Beauveria in 500 litres of water per hectare and spray on the foliage . U Drip Irrigation: ABTEC Beauveria can be mixed @ 20gm /litre of water. After filtering it can be incorporated into the soil through the drip irrigation system during the pre or post planting stage.
