Clear water: From the picture, the new leaf blade spacing of the grass is shortened. What stem and leaf treatment agent was used before?
Shang Bao: used rice green Qing.
Clear water: It is recommended to check the grass for ligule. If there is a short, slightly villous ligule, it can be identified as golden foxtail, and when the age of rice seedlings is appropriate, it can be removed by spraying with the new rice cyhalothrin. Due to the age of the grass, increase the dosage.
What you call "Taoqingqing" is a compounding agent of cyhalofop-butyl and fenfonocarboxamide. The use of these two active ingredients in large doses of golden yellow foxtail has a certain control effect. After the application of rice green blue and fazoxafluoride, the growth of new weeds was only impeded and they could not be killed. This may be due to excessive grass age or small application amount. The weeds in the picture will be restored later if they are not filled with medicine.
Zhangzhou netizen Mao Bin sent a letter on July 8: What is this grass?
Clear water: It should be golden yellow foxtail. Check the leaf blade on the inside of the leaf pillow for confirmation. The use of new rice Xiaoxiao chlorofluoroflupiride is better for this grass. A weed has been eared, it should be a re-emergence of the former remnant grass strain, it is difficult to control the use of drugs, but the full use of the new rice fluflumide Fluchopirin will still have a good effect to inhibit its growth.
Suining netizen Zhe Qiang: I think it is golden dog tail grass. When the grass age is small, it can be controlled. I also have golden setaria in my field. I am currently in the 2 to 3 leaf stage. How do I control better, what medicine is used, and how much?
Clear water: Golden foxtails in the two-three-leaf stage were born in paddy fields and could be removed with large doses of cyhalofop- phoramethoxate or oxacillin. When the rice seedlings were above the 2-leaf one-heart stage, the control effect was better with cyhalofop- phoxaflor and fluop- rooxy acetic acid, and it was possible to directly use the new rice cyhalothrin.
Zhe Qiang: Fluroxypyr is a broad-leaved herb that can be used to remove grass grass? At present, the live rice is in the 3-leaf stage. What is the amount of cyhalofop-butyl and chlorofluoroacetic acid? New rice Xiaoxiao chlorofluorofluride used more than a large number of acres?
Clear water: 2 leaves of rice seedlings after 1 heart period, control of golden foxtail grass in the two-three leaf stage, 200-300 g of 10% cyhalofop-butyl per acre can be considered, and 200 g/L of chloroflur- anyoxypyr can be added. Acetic acid 30 ml, add water 30 kg evenly spray. The use of fluopoxet together with cyhalofop-butyl can significantly improve the control effect of golden foxtail. Xinxiaoxiao cyanide fluoproxil is registered for paddy fields, and sales of this drug species are conducive to avoiding business risks.
Zhe Qiang: I just came back from the ground. The golden foxtail has grown so big that it can be removed with new rice laughter.
Clear water: If the grass has ligules, it can be confirmed as golden foxtail. The base has a large number of leaves that have three leaves. The grass is very old. If the leaf age of rice is larger, the appropriate amount of the new rice, cyhalothrin, is usually removed. The discoloration of the base of the new leaf sheath of weeds can generally be seen about 3 days after application. If you can't get rid of this medicine, you can only remove it by hand.
Zhe Qiang: Five days ago, 10% of cyhalofop-butyl, 200 grams of 50% quinclorac, 15 grams of water, and 15 kilograms of water were sprayed and weeded. The other grasses in the field were all dead, and the grass was not dead. At present, the rice in the field is roughly at the 5-leaf stage. I have contacted Xinmiaoxiao dealers and are ready to use the herb for weeding.
Shui Qing: It is advisable to inform the drug distributors of the occurrence of weeds in the field and other information. They will provide more accurate drug plans.
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