2. Agro
  3. PWD Control
  4. View

View

136
Purple Amaranth
Caterpillars
Pest
NULL
NULL
Many commercial growers now spray with insecticides regularly, up to twice a week, instead of using the traditional control method of spreading wood ash to dispel insects. In order to avoid harmful residues, the use of less toxic chemicals is strongly recommended. Biological insecticides derived from Bacillus thuringiensis (Bt) are fairly effective against caterpillars.
Caterpillars (Spodoptera litura, Helicoverpa armigera, Hymenia recurvalis)
8,668