The Tangxi Yao letter from Caiji Town, Suyu District, Suqian City said that several farmers had taken 3 kinds of weeds from the wheat fields this year. The three kinds of weeds appeared similar to the wheat seedlings, but some of them were higher than wheat. Plants, to the winter and spring, the effect of prevention and treatment with oxazolyl dimetrione and isoproturon is not obvious, do not know when to use what agent can be removed. He sent a sample of these three kinds of weeds. He also suspected that these three kinds of weeds entered wheat fields along with the dwarf resistance of 58 wheat varieties transferred from Henan and Anhui. According to Professor Qiang Sheng, Director of the Weed Research Lab at Nanjing Agricultural University, the three weeds sent by Tang Shengyao were Japanese Acacia, Longtoucao, and Ryegrass, both of which were grasses and weeds. It is understood that Isoproturon can be used to control agrimony in wheat fields, Poa, wild oats, Cinnamomum camphora, alfalfa, ryegrass, hardgrass, bentgrass, smallgrass, big clawgrass, commonweed, broken rice bran Weeds. Both pre-emergence and post-emergence can be used. The recommended dosage per mu is 60-70 grams. The drug had good control effect on the weeds before the 3-leaf stage, and decreased the control effect beyond the 3-leaf stage. The use of isoproturon to prevent Japanese acacia, stickweed, and ryegrass was not effective. The possible reason was that the weeds had a grass age of more than 3 leaf stages or a small dose. Benzoxazole is suitable for control of grassland weeds in wheat fields, such as A. aequalis, A. mellifera in Japan, and wild oats. The use of fenoxazole oxime to prevent the Japanese apia result is poor, the possible reason is that when the drug is used, the age of the grass is larger and the control effect is reduced. Rodhead grass has a certain resistance to oxazolyoxime. When the grass age is large, it is necessary to increase the dosage so as to avoid decrease of control effect. Benzoxazole has no effect on ryegrass, and it is also used in some places to control other grass weeds in the ryegrass field. To control weeds in wheat fields, medication should be based on pre-winter grass age. Before the 3rd leaf stage of weeds, the application of isoproturon had a better control effect on Japanese acacia, head grass and ryegrass. The use of Swiss Syngenta Crop Protection Co., Ltd. Maiji 15% acetylene oxalate wettable powder and powerful energy 50 g/L azoline clodinafop-propionic acid EC, can effectively control the wheat field in Japan to see Acacia, head grass, ryegrass, etc. Undergraduate weeds. Weeding before winter, in the weeds 2 to 4 leaf stage, per acre with 15% clodinafopac acid WP 20 to 30 grams or 50 grams per liter azoline clodinafop oil emulsion 60 to 80 ml; spring grass is older, each Mu with 15% clodinafop WP can be 30~40g or 50g/l oxazoline clodinafop EC 80~100ml. Japanese acacia and head grass are common weeds in the wheat fields of our province and occur in large quantities. Ryegrass is a good quality pasture that is cultivated and used in some areas of our province. Escape into the farmland will become a weed in the wheat field, and it is difficult to control herbicides commonly used in wheat fields such as oxazolyoxime. A small amount of weed seed may enter the field with wheat seeds. If the amount of weeds in the field is large, it should not be brought in by the seeds. Plasma Products,Anti-Hbs,Safe Plasma,Safe Plasma Storage Sichuan Yuanda Shuyang Pharmaceutical Co., Ltd. , https://www.syimmunoglobulin.com