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毒麦是一种含有毒麦碱的危险性杂草,为国内外植物检疫对象之一。它不但能造成小麦减产,还对人畜安全有很大威胁。我市各地在60年代采取了多种防治措施,有效地控制了毒麦的发生和蔓延。但近几年,由于调运串换种子把关不严和防治工作有所忽视,田间毒麦混杂率又明显回升,部分田块毒麦混杂率高达15％以上。针对这种情况,我们组织各县植保站连续进行了三年的调查,基本查清了我市毒麦的种类,发生分布和为害情况。
Poisonous wheat is a kind of dangerous weed that contains the toxic alkali, which is one of the objects of plant quarantine at home and abroad. It not only can reduce wheat yield, but also a great threat to human and animal safety. In the 1960s, various measures in our city were taken to effectively control the occurrence and spread of poisonous wheat. However, in recent years, as a result of the misunderstanding of substandard seeds and the prevention and control work, the confounding rate of poisonous wheat in the field has picked up remarkably. As a result, the confounding rate of poisonous wheat in some plots has been as high as 15% or more. In response to this situation, we organized the plant protection stations in counties for three consecutive years of investigation, basically found out the city’s toxic wheat species, the occurrence of distribution and damage.