White Flies of sweet potato
Appearance of chlorotic spots on the leaves and upward curling of leaves.
Leaves become reddish, brittle.
Premature leaf dropping, boll bursting and poor quality lint due to honey dew secretion.
Disease causing Species Name:
Bemisia argentifolii
Major Plants under threat:
Sweet potato
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:
ABTEC Verticillium is used for foliar spray and soil application. The normal dosage is 20 g per plant.
Soil Application: Mix 3 – 5 kg ABTEC Verticillium 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 Verticillium in 500 litres of water per hectare and spray on the foliage during evening hours
Drip Irrigation: ABTEC Verticillium can be mixed @ 20g /litre of water. After filtering it can be incorporated into the soil through the drip irrigation system during the pre or post planting stage.
