Spraying time and method Red spiders mainly use eggs or fertilized females to cross overwinter cracks in plant stems. After leaf spreading, they harm the leaf buds. They prefer a hot and dry environment, and the most dangerous conditions are from June to July. Prevention and control of spider mites must pay attention to its living habits, pay attention to spraying time and spraying methods, the average drug when each leaf 1 to 2 head. Starscream is a sucking pest, and it must be killed by using a systemic drug. The spraying time should be in the first generation of the young generation of red spider moth, about 10 to 15 days after late flowering, and it should be even when spraying. Since spider mites are oviparous pests, they must be used twice, once every 8 to 10 days (after the eggs are hatched and completely removed). Prevention and control of drug prevention and control of red spider can be used 750 ~ 1000 kg of water and lime sulfur stock solution prepared into a 0.1 ~ 0.2 Baume degrees of lime sulfur, and then mixed with 45% of water emulsion phosphoric acid 500 ml, that becomes 1500 ~ 2000 times liquid Mix liquid medicine. Or the application of 40% dicofol Emulsion 1000 ~ 1500 times, 20% dying net WP 2000 times, 15% phthalocyanine 2000 times, 1.8% ectin EC 6000 ~ 1000 times can reach the ideal Control effect. Viruses and bacteria are everywhere. Preventing them in advance is the best way to reduce the risk of infection. Wearing a mask and washing hands frequently are crucial. The new type of coronavirus has the characteristics of contact transmission, and the fact that the virus exists on the doorknob of patients with pneumonia has also shown the necessity of paying attention to hand hygiene and wearing disposable protective gloves.
Whether it is going out to purchase daily necessities or buying through online platforms, it is inevitable to come into contact with "foreign" items, such as supermarket shopping carts, packaging bags, express packaging boxes, etc., and more things need to be touched after resuming work, such as It is inevitable to take public transportation, elevators, etc., these places may have been touched by patients or suspected patients. Wearing disposable protective gloves is an effective means to reduce the risk of infection when there is no condition to wash your hands at any time.
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Control Apple Red Spider: Spraying must be thoroughly
The apple red spider is also called the apple leafhopper, which mainly damages the leaves. When the damage is serious, the leaves will appear pale or scorch patches, which is extremely harmful. Control the red spider, spray thoroughly and completely.