论文部分内容阅读
一、名称:秀夜蛾又叫春麦夜蛾。属鳞翅目,夜蛾科。二、学名:APamea、fUcaSa Frr。三、发生情况:自1953年以来,在昌都附近农村(尤其是生格乡)日渐发生严重,发生面积日益扩大。1965年据农技站在生格乡调查发生面积为503克,危害严重的地块,青稞、小麦全部枯死,造成补种或翻耕。是当前春播麦类作物的一大害虫。目前所发现的寄主主要是春麦类。该虫以幼虫蛀茎为害,被害植株心叶首先萎蔫而后枯黄死亡。被害轻的可在分蘖节上生出新的植株。严重的整株死亡。1965年5月下旬在昌都县卡路村调查,严重的地块每平方米有虫153头,一般地块每平方米有虫20～30
First, the name: Spodoptera fruticosa, also known as spring. Is a Lepidoptera, noctua family. Second, scientific name: APamea, fUcaSa Frr. Third, the occurrence of: since 1953, in the vicinity of the Qamdo rural areas (especially the Sogo Township) is increasingly serious, the occurrence of an area growing. In 1965, according to the investigation of the agro-technical station in Sangge Township, an area of 503 grams was found. The severely damaged land, barley and wheat all died, resulting in replanting or tillage. Is a major pest of the current spring wheat crop. Currently found mainly in spring wheat host. The worm infestation larvae stem damage, the first leaves of wounded plants wilted and then dead yellow. Victims of light can be born in the tiller node of new plants. Serious whole plant died. In late May 1965, a survey was conducted in Qialu Village, Qamdo County. 153 serious pests per square meter were found in the plot. In general, there were 20-30 pests per square meter