Killing pests and preventing diseases are of crucial importance to control their spreading. The great majority of pests carry a lot of bacteria, once they get into the greenhouse, they will become the sources of disease and spread everywhere, hence it is significant not to overlook the control measures.
Main control measures:
A. Clean up the external environment, spray high-efficient and low-toxic pesticides, it is also feasible to scatter lime in aisles measuring above 2 meters in length to drive away troublesome pests.
B. Hang up fly net. When people find pests, they could trap and kill them by using poison baits, which is resultful and efficient. For flies and mosquitoes, it is viable to spray Miehailing (a kind of pesticide) to kill them, it is also of value to prepare the solution of sugar and vinegar, the specific method is to prepare white spirit, sugar, vinegar and water in accordance with the proportion of 1 to 2 to 3 to 4, then sprinkle with 3-4 drops of DDVP.