论文部分内容阅读
近年来,发生在柑橘和梨等果树上的介壳虫和木虱等虫害日益猖獗,但是因介壳虫和木虱分别受到蜡质分泌物和卷叶的保护,使常规药剂不能有效接触虫体而难以防治,其传播的病毒病和分泌物导致的烟煤病等病害逐渐加重,给果农带来极大的困扰。因此,深受其害的种植者,以及相关果树区植保工作者和农药经销商群体,无不在寻求有效的防治药剂和防控方案。所以,2月17日浙江新农化工股份有限公司(简称新农股
In recent years, scale insects, such as scale insects and wood lice, which occur in fruit trees such as citrus and pears, have become increasingly paralyzed. However, because scale insects and hibiscus are protected by waxy secretions and leaf curls, conventional agents cannot effectively contact worms. It is difficult to prevent and control, and diseases such as bituminous coal disease caused by the spread of virus diseases and secretions are gradually aggravated, causing great problems to farmers. Therefore, the serious growers, as well as the plant protection workers and pesticide dealers in the related fruit trees area, are all looking for effective preventive and control agents and prevention and control programs. Therefore, on February 17 Zhejiang Xinnong Chemical Co., Ltd. (referred to as the New Agricultural Shares)