【摘 要】
：
袋蛾又称避债蛾,属鳞翅目蓑蛾科。该科种类较多,在我地区危害四旁绿化林木较普遍的有大袋蛾(Clania varicgata Hampson)与小袋蛾(Acanthopsyche sp.)。受害的树种有水杉、悬
论文部分内容阅读
袋蛾又称避债蛾,属鳞翅目蓑蛾科。该科种类较多,在我地区危害四旁绿化林木较普遍的有大袋蛾(Clania varicgata Hampson)与小袋蛾(Acanthopsyche sp.)。受害的树种有水杉、悬铃木、香樟、长山核桃、泡桐、乌柏、枫杨、栎树、金钱松、桕类及果树等,以幼虫取食叶片及嫩枝外表,在大发生
Bag moth, also known as shelter moth, Lepidoptera is a moth family. There are many species in this family. Clamps varicgata Hampson and Acanthopsyche sp. Victims of the trees are Metasequoia, Platanus, Camphora, Changshan walnut, Paulownia, Uber, Maple, oak, Money, Castanopsis and fruit trees, larvae feeding leaves and twigs appearance, in the big occurrence
其他文献
春尺蠖(Apochemia cineraius Erschoff)在库尔勒地区一年发生一代,是香梨的危险性敌害。我们从1973年开始观察此虫的生活习性,并用化学农药防治,虽然农药用量逐年增多,浓度
榆鎚角叶蜂为膜翅目Hymenontera,鎚角叶蜂科Cimbicibae,古鎚角叶蜂属Paleocimbex sp.危害榆树,分布浙江、江西等省。该虫国内未见报导,我区普遍发生,受害严重时整株树叶被食
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.
曾有记载:日本方头甲[Cybocephalus nipponicus Endrdy-Younga(Cybocephalidae)]在日本是桑盾蚧及矢尖蚧的捕食性天敌,但还无记载是植食性螨类的捕食性天敌。 日本方头甲雄
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.
目的:探讨青龙木叶皂苷的镇痛效应及其机制。方法:60只Wistar大鼠随机分为5组(每组12只):青龙木叶皂苷15、30、60μg.kg-1组,青龙木叶皂苷加纳洛酮组及生理盐水对照组。通过
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.
桑赤锈病的病原菌具有只侵染桑的绿叶、新梢茎部等的特点,被害部(即病斑)肿胀,弯曲、初期浅黄色,逐渐变为橙黄色。表面呈现称为锈子腔的斑点,以后喷出鲜橙色的粉末叫锈孢子
棉花枯、黄萎病是棉花的重要病害,在发生严重的年份,全国约损失皮棉150～200万担。从七十年代以来,开展全国性的综合防治研究,取得了显著进展。一、综合防治效果确定了改造重