Insecticides against Liriomyza huidobrensis
Liriomyza huidobrensis is an outbreak and serious pest in most rice areas of China in recent years. At present, insecticides for the control of rice stalk leafminer and other pests have been successfully invented. The purpose of the invention is to provide an insecticide with high efficiency and low toxicity for controlling rice stalk liriomyza pest. The insecticide of the invention is prepared by the mixture of preserved fluoride and imidacloprid according to the weight ratio of (0.1) ~ (0.1), and can be made into seed coating, seed dressing, suspending agent, powder, EC and other dosage forms. The advantage is that it has high insecticidal effect on rice stalk Liriomyza huidobrensis, and the experiment shows that the average effect is 87.5%. The pesticide application has no toxicity to aquatic organisms such as human, livestock, rice fields, beneficial insects and fish, and has no environmental pollution.
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Knowledge points of mixed insecticides
In recent years, vegetable nematode disease has become a kind of important disease in vegetable production, especially in protected vegetable production. For the prevention and control of vegetable nematode disease, in addition to some conventional agricultural control measures (such as selection of disease-resistant varieties, cultivation of disease-free seedlings, reasonable.
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The role of viral insecticides in the control of Helicoverpa armigera
The main results are as follows: 1. the important feature of insect viruses in pest control is that their specificity to hosts is an ideal means of control in the integrated control system. the potential of beneficial insects in the whole ecosystem is utilized. The participation of viral pesticides in biological control is a means of ecological control.
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