Many friends have been saying recently, how can there be spiders in the wheat field? And some places are still quite serious, so what is this spider? Here's what I'll tell you.
What kind of spider is this?
In fact, this is a wheat spider, the wheat spider is not strictly speaking a spider, nor does it belong to the insect class, it belongs to the mite class, the adult worm has four pairs of feet, a pair of tentacles, no wings and tentacles. The main harm to wheat in China is to buy round spiders and wheat long-legged spiders, generally at a living temperature of 8 to 20 ° C, the harm is really wheat gestational ear to ear extraction period, if the number is too much will cause serious yield reduction.
How does the wheat spider harm wheat?
Wheat spiders suck sap at the wheat seedling stage and cause malnutrition of wheat, which can be determined by the presence of many fine small white spots on the leaves, and then slowly turn yellow and then die seedlings. If the damage is relatively mild, it will affect the growth, the plant is short, the yield is reduced, and the serious one is dry and dead.
How to control wheat spiders?
The control of wheat spiders can be controlled through agricultural control and chemical control methods. We should first strengthen the management of wheat, which can be rotated, and the wheat should be ploughed after harvest, so that a large number of eggs can be eliminated and the density of insects can be reduced. Before wheat is planted, deep ploughing and renovation can be carried out to carry out timely prevention and control. In the growth, if it is found that there is a disease, it should be quickly removed, destroyed, and then sprinkled with quicklime in the disease area.
This can effectively prevent the spread of wheat spiders, and in the selection of varieties, you can choose varieties with strong disease resistance and high quality. If you want to know more about agricultural materials, welcome to follow me, if you feel that the content is helpful to you, you can forward it to a friend