Pirimicarb is a carbamate insecticide with moderate toxicity

Pirimicarb is a carbamate insecticide with moderate toxicity and a highly selective aphid killing agent, that is, it is only effective for aphids and ineffective for other insects. In the field application, it does not kill beneficial insects such as natural enemies and bees, and the residue period is short. Therefore, it is an ideal medicament for comprehensive treatment and production of pollution-free vegetables. The medicine has the triple effects of contact killing, fumigation and stomach poison (it can penetrate into the leaves and be sucked into the stomach by aphids). Therefore, it shows the characteristics of high efficiency and quick effect. In warm weather (higher than 20 ℃), the vegetable aphid can die a few minutes after application, and fall off from the leaves. The leaves are very clean without aphid corpses. Because it does not kill natural enemies, it can contribute to natural inhibition, It can control aphid damage for a long time. Moreover, because it does not harm bees, it is the best choice for seed vegetable fields to control aphid damage and ensure bee pollination and yield increase. The agent has special effects on common aphids on vegetables (such as peach aphid, radish aphid, cabbage aphid, bean aphid, etc.). In addition, the aphid killing effect of fumigation increases with the increase of temperature above 15 ℃, so it can show the characteristics of quick effect and high efficiency only in high temperature weather. When used in vegetable greenhouses, flowers, fruit trees, tea, vegetables and other crops, the effect is better, especially in the prevention and control of freezing injury in winter, especially flowers, tea and other crops, which can effectively eliminate diseases and insect pests and prevent diseases and insect pests. Pay attention to cold protection during use to prevent freezing injury. Spraying Pirimicarb before germination can effectively control aphids. The drug concentration was 0.2 ~ 0.5%. Killing or slowing down the pests can block the development of the insect population, which is conducive to the pests to eat the nutrients of the pests for self reproduction, and the insecticidal effect is good. It is suitable for controlling pests resistant to pesticides such as polybrominated phosphorus, methyl parathion and tribromophos.

Pirimicarb is also an internal insecticide, which is used to control the adults and nymphs of various agricultural pests and parasitic pests. Pirimicarb has the functions of contact killing, fumigation and penetration into the leaves. It can control all aphids except cotton aphids resistant to organophosphorus insecticides. This product can quickly kill aphids within a few minutes after application, so it has a good effect on preventing virus diseases transmitted by aphids. It has short residual effect period, is safe for crops and does not harm natural enemies. It is an ideal agent for integrated pest control. Pirimicarb has no adverse effects on natural enemies of aphids such as ladybird, aphid eating fly and aphid cocoon bee, and protects natural enemies, so it can effectively prolong the control period of aphids. . Aphid resistance is safe for bees. It is used to control aphids in vegetable farming fields such as Chinese cabbage and radish., It can improve the pollination rate of bees and increase the yield. It is suitable for controlling aphids on vegetables, tobacco and grain crops.