The Better Control Method Of Cyperus Rotundus
Cyperus rotundus likes to grow in loose soil, and the occurrence of sandy soil is more serious. Especially in corn and sugarcane areas, Cyperus rotundus is more difficult to control.
It often becomes a single small community or mixed with other plants to compete for glory, water, and fertilizer, causing other plants to grow poorly. It is also the host of white-backed planthoppers, black stink bugs, iron beetles and other insects. It is one of the most harmful weeds worldwide.
Due to the special tuber roots of Cyperus rotundus, the key to weeding is to kill the roots.
Chemical control methods:
1. Corn
Benazone -- Used when corn 4-6 leaves, this product works well when the temperature is high, but the effect is poor when the temperature is low. It is used cautiously in excessive rain or in dry years. Benzopine is safe for the subsequent crop.
Chlorpyrisulfuron -- This herbicide is generally used after 3-5 leaves of corn. It has a good effect on broadleaf grass and sedge, and it is relatively thorough, but the speed of dying grass is slow. It often takes more than half a month to completely die off the grass. It is not recommended and effective Fast dimethyl tetrachloride and other mixed use, so as not to produce antagonism.
Glyphosate -- After 10 leaves of corn, when more than half a meter, you can use glyphosate (glyphosate without other ingredients) to spray weeds with water, pay attention to directional spray, do not spray on the corn, the principle of weeding is to use weeds And the position difference between crops.
2. Orchard
Orchards generally recommend the use of dimethyl•metazone, glyphosate, and glufosinate for directional spraying, and be careful not to spray on fruit trees.
If you say that your own one-third of the acre can be dug manually, you can completely remove the Radix Aconiti in 2 to 3 years.
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