Weeding composition for sugarcane field
A herbicidal composition and sugarcane field technology, applied in the direction of herbicides, algicides, biocides, animal repellents, etc., can solve the problems of poor weed effect and easy drug resistance in farmland, and reduce the use of pesticides amount, improve the control effect, and delay the effect of compound resistance
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Embodiment 1
[0017] Example 1: Bioassay Test
[0018] Test material: Cyperus rotundus (scientific name: Cyperus rotundus), the root tubers are collected from Wupei Village, Renshan Town, Huidong County, Guangdong Province.
[0019] Test equipment: controllable light incubator; POTTER precision laboratory spray tower; electronic balance (sensitivity 0.1mg); micropipette gun, etc.
[0020] Test method: Put a certain amount of soil in a porcelain bowl with a height of 6cm and a diameter of 9cm, sow 15 pieces of the target Cyperus cyperi root in the porcelain bowl, cover it with 2-3cm of fine soil, and then cultivate it in a greenhouse until the target weed grows to Spray the stems and leaves at 5cm, spray 1ml per porcelain pot, repeat each treatment 4 times, and set the treatment without pesticides as the control. After the treatment, the test materials are placed in the greenhouse for cultivation, and the growth of the target weeds is regularly observed for 15 days. Afterwards, the damage s...
Embodiment 2
[0031] Example 2: 60% methazapyr-clopyrazosulfuron water-dispersible granules
[0032] 20% imazethapyr, 40% clopyrazosulfuron, 4% sodium lauryl sulfate, 2% polycarboxylate, 3% sodium chloride, 2% polyethylene glycol, kaolin to make up to 100%. The above active ingredients and additives are mixed and kneaded with water, kneaded and shaped with a kneading granulator, and then the granules are dried and sieved in a fluidized bed to obtain 60% imazapyr. Sulfuron-methyl water-dispersible granules.
[0033] Using 60% Memazapic and Clopyrazosulfuron-methyl Water-dispersible Granules Mixed with Water and Spraying Stems and Leaves to Control Radix Cyperus Cyperus Weeds in Sugarcane Fields 15 Days after the Control Effect: 60% Memazania and Clopyrazosulfuron-methyl Water Dispersion The control effect of 2 g / mu, 3 g / mu and 4 g / mu of granules is 92.8%, 96.4% and 97.2%; the control effect of 30 g / mu of 240 g / L methazepam is 87.5%; The dosage of 75% chlorpyrazosulfuron-methyl water-disper...
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