132****1229 mobile phone sent a text message: I was in the Jiuhua Town of Rugao Yin Junhua. In the previous year, there was a misuse of “Puma” for the misuse of rapeseed fields by farmers. (The amount is unknown). Read the article “Characteristics of rapeseed disasters and control methods” in the 2010 issue of “Farming for Richness”, which describes the use of 6.9% Weibu Ba for the rapeseed field, which is dominated by grasses and weeds. ) 40-50 ml of emulsifiable concentrate before weed 4 leaf stage. Both Hummer and Wei Pa are the same in composition. Are there any errors in this article?

The “Puma” and “Wei Ba” mentioned in the text message are all previously used product names (now the product trademark). The active ingredients are oxazoxagrafloxacin, and the former is supplemented with a safener for wheat. For wheat fields, the price is relatively high; the latter does not add such safeners and the price is lower. All of them can be sprayed and sprayed in the rape growing season to control field grass weeds, which is safe for rapeseed.

Due to the long-term and large-scale use of oxazolyoxime in production, in many parts of Japan, weeds such as aphids and weeds have strong resistance to the drug, and relatively low efficacy in the control of weeds at low age. it is good. Rapeseed and other broad-leaved crop fields to control grass weeds, the best choice of clethodim, high-efloxacin, quizalofop and other drugs. Among them, the effective herbicides such as flupirtine and quizalofop were severely degraded when the temperature was lower than 10°C; and clethodim also had a good weeding effect when used at a low temperature, and also had a better control effect on bluegrass. Well, it is preferable to use it in spring, but it is advisable to apply the drug early, and try to avoid applying the drug after convulsions. Otherwise, phytotoxicity may occur, affecting the flowering of the rapeseed.

The text message reflects that “in the previous year there were farmer rape fields misusing the Hummer to result in an unrequited harvest.” In addition to serious mistakes in the method of pesticide application, it may be that the pesticides used by farmers are not real Hummer, and may be hidden. Ingredients of oxazoxagrafim or other agents that contain ingredients that are critical to rape.

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