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近日,山东省商河、济阳、聊城有农民反应,他们麦田里的“野麦子”都比往年多,根据以前的经验,防治“野麦子”喷施2,4-D丁酯等除草剂效果不太理想。由于这种杂草从发现到形成危害传播速度快、危害重、防效难等特点,农民担心年前这“野麦子”控制不了,影响来年小麦的产量。根据农民的反应,笔者一行进行了一番实地调查,发现在有些小麦产区“野麦子”发生比较普遍,有些田块还偏重发生。“野麦子”又称雀麦和节节麦,生育期和小麦差不多,但比小麦成熟早,而且籽粒非常容易脱落,所以麦收之前它
Recently, some farmers in the Shanghe, Jiyang and Liaocheng provinces in Shandong Province responded to the “wild wheat” in their fields more than in previous years. According to previous experience, the prevention and control of “wild wheat” was sprayed on 2,4-D Ester and other herbicides less than ideal. Because of this weed from the discovery to the formation of hazards spread fast, harmful heavy, difficult to prevent the characteristics of peasants worried that years ago this “wild wheat” can not control the impact of next year’s wheat production. According to peasants’ reactions, the author conducted some field investigations and found that in some wheat producing areas, “wild wheat” occurred more commonly and some plots were still more prevalent. “Wild wheat ” also known as Broccoli and Festival wheat, growth period and wheat almost, but earlier than the mature wheat, and the grain is very easy to fall off, so before the wheat harvest it