白僵菌的土法生产及其防治松毛虫的用法

来源 :农药工业 | 被引量 : 0次 | 上传用户:aiwen8431071
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
白僵菌是一种真菌。它能侵染寄生在松毛虫等多种昆虫体上,使昆虫得病死亡。该菌主要靠孢子扩散。孢子借风力或虫体的相互接触传播到健康虫体上。当温湿度适宜时,孢子很快发芽侵入虫体产生大量菌丝和分泌物,使害虫僵化死亡。僵死虫体在湿度大的情况下表面呈现白粉状。这种白粉即是新长出的白僵菌孢子。新产生的孢子又随风扩散,继续侵染健康虫体,因此具有很大扩散性,可用来防治多种农业和森林害虫。在史无前例的无产阶级文化大革命中,我县广大贫下中农和革命职工积极响应毛主席“抓革命,促生产”和“备战、备荒、为人民”的伟大号召,发扬了“自力更生”、“艰苦奋斗”的革命精神,敢想、敢闯、敢干,终于 Beauveria bassiana is a fungus. It can infect parasitic parasites in a variety of insects such as pine caterpillars, so that insects get sick and died. The bacteria mainly spread by spores. Spores by wind or parasites contact with each other spread to healthy parasites. When the temperature and humidity is appropriate, spores quickly germinate invade the worms produce a large number of mycelium and secretions, pests rigid death. Zombie worms in the case of large surface white powdery powder. This white powder is the new growth of Beauveria bassiana spores. The newly generated spores, which diffuse with the wind and continue to infect healthy worms, are therefore highly diffuse and can be used to control a wide range of agricultural and forest pests. In the unprecedented proletarian cultural revolution, the vast majority of the poor and middle peasants and revolutionary workers in our county responded positively to the great call of Chairman Mao for “grasping the revolution and promoting production” and “preparing for war and preparing for the poor and for the people.” They promoted “self-reliance,” “arduous struggle ”The revolutionary spirit, dare to think, dare to break through, dare to do, and finally
其他文献
请下载后查看,本文暂不支持在线获取查看简介。 Please download to view, this article does not support online access to view profile.
一、发生状况 大地蚕(Agrotis tokiouis Butter)在南京一带年发生一代,以2—4龄(主要为3龄)幼虫在杂草地或苜蓿地的土层内越冬。春间3月初,大田温度近8—10℃时即活动取食,
乙拌磷(Disyston)是具有内吸作用的有机磷杀虫剂,拌种后防治棉蚜的毒力持续时间较久。1961-1962年我场进行了小区试验及大面积示范,获得了较显著的结果。 一、处理方法 供试
请下载后查看,本文暂不支持在线获取查看简介。 Please download to view, this article does not support online access to view profile.
故障现象 机器型号:VARIAN CLINAC 2100C直线加速器。 机器正常治疗病人时突然出现MOD连锁,并且重新预置机器后连锁总是存在,按enter键也无法消除。 分析与检修 MOD连锁是由
南美叶疫病是植胶业的一个严重威胁。到目前为止,该病仅在拉丁美洲发生,同时很难经济地加以控制。最好的解决途径是培育抗病品系。本文描述了法斯通胶园公司于1949年开始进行
1965年7-9月间,我县白翅叶蝉猖獗为害二季晚稻,受害重的,稻叶枯萎,停止生长,甚至不抽穗或穗而不壮。应用25%DDT乳剂进行防治,效果仅为30-60%,不能有效地控制为害和蔓延。为了
请下载后查看,本文暂不支持在线获取查看简介。 Please download to view, this article does not support online access to view profile.
请下载后查看,本文暂不支持在线获取查看简介。 Please download to view, this article does not support online access to view profile.
期刊
害虫的为害有其一定的途径和规律。我们着重在农林作物上研究害虫的发生规律和防治措施,固然是必需的;进一步研究害虫的来踪去跡,就必须追究害虫的自然发轫地。这对于根治害