【摘要】 近年来,由于耕种方式改变和麦田除草剂长期单一使用等诸多因素影响,菵草已从次要杂草逐步上升为部分田块主要杂草,在东台麦区小麦田迅速蔓延。2013年以来,通过近5 a田间调查观察、药剂试验,基本摸清了当地小麦田恶性杂草菵草的生物学特性及出草规律,剖析了其高频率发生的影响因素,同时结合当地生产实际,就今后如何更好开展防治进行了探讨。更多还原

【Abstract】 In recent years, Beckmannia syzigachne has gradually became major weed on some wheat field in Dongtai influenced by many factors such as tillage practices, application a certain herbicide with long-term. Through nearly 5 years investigation, observation and herbicide test since 2013, the biological characteristics and development regularity of Beckmannia syzigachne were found out and the factors influencing high frequently occurrence were analyzed. Meanwhile, discussed the further prevention and control strategy combined with local production reality.更多还原