A: The “Shima†mentioned in the text message should be methylsulfuron. Lolium multiflorum is not very sensitive to the drug, especially when the grass age is relatively large, the effect of pesticide application is poor, and the application of additional amount of ryegrass is likely to cause injury to wheat seedlings. In the short term after the spring application, strong cooling and low temperature frost weather are more serious. Lolium multiflorum has a certain sensitivity to isoproturon, and wheat is adequately applied before and after seedling in the early stage after seeding. It has a good sealing effect on Lolium multiflorum, and it is more effective for young flowers at low age. Ryegrass also has better control effects. Frost weather should not occur in the short term after application to avoid phytotoxicity. Lolium multiflorum has high sensitivity to clodinafop-propargyl and oxazoline oxalate, and can be effectively controlled by these drugs when the spring grass age is large. These two drugs are safe for wheat, but they should also be avoided in the case of strong cold temperatures in the short term after application. Combining control of broad-leaved weeds and agrimony grasses, Japanese amature and other grassy weeds, and spraying of imidazolam can also effectively control ryegrass. Mixing these three kinds of drugs with isoproturon before winter can prevent multi-flowered ryegrass from sprouting again after application, and can improve the control effect against weeds such as weeds. Inner Mongolia Xuanda Food Co., Ltd. , https://www.xuandagroup.com
How to prevent ryegrass
Q: Suqian 130****0814 mobile phone sent a text message on October 24: I am a large farmer of cooperatives, and this year I planted 2,860 mu of wheat. In the past year, there were more ryegrass in the field, and Shima's use of hormonal protection was particularly heavy. What medicine is more effective than ryegrass, and there is no medicine damage?