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Answer : 4. "By systemic insecticides"
There is effective control of aphids and white flies?
5Q:
There is effective control of aphids and white flies?
- 1By fumigants or fumigantsfalse
- 2By stomach poisonfalse
- 3By contact insecticidefalse
- 4By systemic insecticidestrue
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Answer : 4. "By systemic insecticides"
Explanation :
Prevention: When the white fly reaches the economic limit (6 adults per leaf), apply 300 EC or Oxydemethan Methyl 25 EC (Metasystax) and one liter of Neem based insecticide (Nimbicidin/Ashkar) in 250 liters of water alternately per acre. Spray in.