questions: telling that he has cultivated cucumber and ridge gourd on a land of 3 bigha. now, as the plants have started fruiting, aphids and jesids has started causing damages. asking the control measure for the same. 
 answers: mr. dungdung has been advised to spray deltamethrin (decis 2.8ec) @ 2 milli litre per litre of water or malathion 50ec @ 2 milli litre per litre of water as a control measure for both the crops.