There are many kinds of weeds in the wheat field in our province, such as large density, wide distribution and serious damage. According to the survey, there are more than 50 species of 20 families in the wheat field in the province. From 2011 to 2015, the province lost about 1.4 million tons of wheat per year due to grass damage. To this end, the Provincial Plant Protection Station organized experts to develop technical control measures for the types and communities of weeds in the wheat field in our province. Huaibei Grassland Experts suggest that the control of mixed swamps such as swine fever, sown wormwood, leeks, and lacquer can be used in the 3-5 leaf stage of weeds, using 9% bis-dioxazolone suspension active ingredient 20-27 g / Hectare, or 12% chlorpyrazolone dispersible oil suspension active ingredient 72-90 g / ha, or 75% difluoro·bensulfuron WG active ingredient 33.75-45 g / ha, or 20% difluoro Fluorochloroester OD active ingredient 15-19.5 g / ha stem and leaf spray. To prevent mixed broadleaf grasses such as Po Po Na, Mai Jia Gong, Bao Gai Cao, Miva cans, etc. In the 3-5 leaf stage of weeds, farmers can use 29.5% benzoxazole·chlorofluoropyrene wet powder (WP) active ingredients. 97.35-132.75 g/ha, or 8% chloropyrazole·difluoro SC active ingredient 120-168 g/ha, or 48% 2 methyl chloride·difluorosuspension active ingredient 360-432 g/ha stem and leaf spray . Control the mixed grasses such as wild oats, buckwheat, wheat kernels, and ryegrass. In the 2-3 leaf stage of weeds, farmers can choose 24% acetylene ester water emulsion (EW) active ingredient 4.8-79.2 g / ha , or 7.5% acesulfame water dispersible granules (WG) active ingredient 0.55-14.06 g / ha, or 5% oxazolin (EC) active ingredient 45-60 g / ha, or 16% sperm alkyne The active ingredient of grass ester WP is 48-57.6 g / ha stem and leaf spray. Control weeds mixed with weeds and broadleaf grasses. In the 2-5 leaf stage of weeds, farmers can choose 18% chloropyryl acetylacetoate SC active ingredient 108-135 g / ha, or 13% fluazole acetylene grass Ester OD active ingredient 58.5-78 g / ha, or 7% difluoro acetylene oxalate active ingredient 52.5-84 g / ha, or 60% fluazole oxadiazon WG active ingredient 36-45 g / ha stem and leaf spray. Experts advise that it is not recommended to use methyl disulfuron, flufenacetate, acetochlor or isoproturon in wheat field weeding; after the application of acesulfame, sometimes the yellowing seedlings appear, and the dosage should be strictly controlled; Ketones are only contact-killing and should be applied after most of the weeds emerge. Jianghuai hilly grassland Experts suggest that for the grasses such as A. maiden, Japanese maiden, yarrow, and ragweed, 5% of the oxazolin ester EC active ingredient 45-60 g/ha can be used in the weed 2-3 leaf stage. , or 40% toluprone WG active ingredient 390-480 g / ha, or 13% fluzole clodinafop OD active ingredient 58.5-78 g / ha, or 5% oxazoline acetylene oxalate EC active ingredient 45 - 75 g / ha stem and leaf spray. For the broad-leaved grasses such as swine fever, bovine broiler, big nest vegetables, and wild geranium, in the 3-5 leaf stage of weeds, farmers can choose 20% difluoro-fluorochloroester OD active ingredient 15-19.5 g/ Hectare, or 16% difluoro-chloroflupirin SC active ingredient 72-96 g / ha, or 48% 2 A · chlorine · difluoro SC active ingredient 360-432 g / ha, 38% chloropyrine·bensulfuron WP Active ingredient 114-171 g / ha stem and leaf spray. For weeds and broadleaf community weeds, in the 2-5 leaf stage of weeds, farmers can choose 30% benzene sulfonate, WP active ingredient 67.5-90 g / ha, or 40% alkyne azole · chlorine Fluoride WP active ingredient 90-120 g / ha, or 13% difluoro acetylene oxalate active ingredient 58.5-84 g / ha, or 37% alkyne benzyl oxazolone WP active ingredient 111-166.5 g / ha Stem and leaf spray. Experts reminded that it is forbidden to apply medicine after wheat jointing; farmers should apply the medicine when the temperature is higher than 10 °C during the day, and it is not suitable to apply in dry, low temperature and windy weather. Along the Jiangjiang South Grassland In the 2-3 leaf stage of weeds, we can choose the active ingredient of 4% acesulfame OD 10.1-16.9 g / ha, or 16% esoteric acetylaceamate WP active ingredient 48-57.6 g / ha, or 5% oxazoline acetylene oxalate EC active ingredient 45-75 g / ha, or 13% fluazole acetylene oxalate OD active ingredient 58.5 - 78 g / ha stem and leaf spray. In the 3-5 leaf stage of weeds, the farmer can choose 30% flufenacetin SC active ingredient 180-270 g in the period of 3-5 leaf stage of weeds, cattle sorghum, broken rice bran and mother-in-law. /ha, or 58% difluoro-oxazolamide SC active ingredient 7.875-11.8 g / ha, or 20% difluoro-fluorochloroester OD active ingredient 15-19.5 g / ha, or 8% chloropyrazole Fluorine SC active ingredient 120-168 g / ha stem and leaf spray. For grasses and broadleaf-based population weeds, in the 2-5 leaf stage of weeds, farmers can choose 7% difluoro-ethinyl OD active ingredient 52.5-84 g/ha, or 15% benzenesulfonate. The active ingredient of clodinafop WP is 67.5-90 g/ha, or 40% alkyne·oxazole·chloroflupirin WP active ingredient 90-120 g/ha, or 55% thiazide·bensulfuron WP active ingredient 82.5-99 g / hectare stem and leaf spray. Farmers can choose 50% glufosinate 1-2 days before sowing, in the case of stubborn and refractory malignant weeds with high density before harvesting, such as valerian, broken rice bran, alfalfa, rice leeks, and algae lotus seeds. Soluble granule (SG) active ingredient 750-1000 g / ha, or 68% glyphosate ammonium salt SG active ingredient 1125-2250 g / ha, or 36% glufosinate · glyphosate AS active ingredient 1080-2160 g / hectare spray, weeding and weeding. (Anhui Daily Rural Edition) This article URL: How to weed wheat planting? 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