Fast-killing is a contact-selective herbicide. After spraying the pesticide , it can be quickly absorbed by the weed leaves, destroying the cell membrane of the weeds, causing it to die and killing. It can prevent lacquer, wild geranium, Maijiagong, Pig weeds, mother-in-law, broken rice bran, rice leeks, and a variety of weeds, also have good control effect on weeds that are resistant to long-term use of sulfonylurea herbicides.
Fast killing grass kills grass quickly, 1 to 2 days after application, weed poisoning is black, 3 to 5 days of death; according to the pesticide network , it is affected by low temperature and climate, long use period, 1 hour after application and rainfall Soil drought does not affect the efficacy of the drug. When the temperature is stable above 5 °C, it will take effect for 2 to 3 days for sensitive weeds such as swine fever. The half-life of chlorpyrifos in the soil is only a few hours, which is safe for the crops.
Fast-killing can be applied from the 3rd leaf stage of wheat to before the jointing (usually from November to March). In the spring application, you can use 40% of chlorpyrifos per acre plus 8g of 10% bensulfuron, or 40g of 40% chlorpyrifos plus 56% of 2, 4, 4, 40g, and 40kg of water. The pharmaceutical solution should be strictly diluted by the second method. In the first step, the chlorhexidine should be added to a small amount of clean water to fully oscillate and dissolve, and then dissolve the benzosulfuron and other agents to form a mother liquor. The second step is to add the spray to the sprayer. Small half barrels of water, add the mother liquor prepared in the previous step according to the dosage of each barrel, and then fill the sprayer with water. Do not pour the agent or mother liquor directly into the empty sprayer. China Pesticide Network Xiaobian reminds everyone that do not add detergents and other additives and surfactants when dispensing, and can not be mixed with emulsifiable pesticides such as Hummer, so as not to cause phytotoxicity to wheat. Should be sprayed evenly on a windless or breezy day with a manual sprayer. It is not advisable to use a mist sprayer. Fast-killing is a contact-killing herbicide. It should be evenly and thoughtfully sprayed. Do not leak.
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