Weeding composition containing glufosinate-ammonium and flumioxazin

[0030] Example: Combined toxicity test of different proportions of glufosinate-ammonium and flufenazim.

[0031] 1.1 Drugs to be tested:

[0032] 96% of the technical glufosinate-ammonium and 96% of the technical drug of fluramid propargyl are provided by the research and development department of Hailier Pharmaceutical Co., Ltd.

[0033] 1.2 Test target:

[0034] barnyard grass.

[0035] 1.3 Experimental steps:

[0036]Potted stem and leaf treatment method (NY / T1155.4-2006): put a certain amount of soil in a plastic pot with a height of 6 cm and a diameter of 9 cm, sow 15-20 grains of the target weed seeds in the plastic pot, and cover with 0.5 After the weeds grow to the 2-4 leaf stage, the stems and leaves are sprayed with 1 mL of liquid per pot, and each treatment is repeated 4 times, and the treatment without chemicals is set as control. After the treatment, the plants were cultured in the greenhouse, and the growth of the target weeds was regularly observed. After 1...