Prevention and control of red spider in flowers

In the process of cultivating flowers, red spiders are common destroyers, suffering from rose, Milan, jasmine, kumquat, begonia, osmanthus, bergamot and other flowers. This insect individual is very small, less than 1 mm, round or oval, orange or reddish brown, due to small body is not easy to find, once found its harm, often flowers have been more seriously affected. This insect damage mode is to stab the leaves with mouthparts to suck the juice, so that chlorophyll is destroyed, the leaves appear gray yellow spots or patches, orange leaves, shedding, and even falling light.

Red spider reproduction ability is very strong, the fastest about 5 days, can reproduce a generation, this insect likes high temperature and dry environment, therefore, in high temperature and drought climate conditions, rapid reproduction, serious damage. Insects swarm on the back of flower leaves and spin silk nets to harm. Besides crawling by itself, wind, rain and operation are important ways for red spider to spread.

Prevention and control of red spider damage, usually should pay attention to observation, found abnormal leaf color, should carefully check the back of the leaf, individual leaf damage, can remove insect leaves; more leaves occur, should be sprayed early, commonly used pesticides are acarbide, dicofol, dimethoate, flower insect net, speed kill Ding and so on. Family flower cultivation can be prepared flower sprayer, in 400 ml water, acarbide or speed kill Ding or flower insect net can drop 4 drops (equivalent to 2000 times liquid medicine), with dicofol or dimethoate can drop 8 drops (equivalent to 1000 times liquid medicine), add medicine after shaking, immediately spray, spray requirements uniform, thoughtful, especially pay attention to spray good leaf back. When spraying, it is best to move potted flowers outdoors. If spraying indoors, do not approach food and utensils. After each use, pour out the excess liquid and wash the sprayer with clean water.