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油菜茎象(虫甲)(Ceuthorrhynchus sp.)的危害是甘蓝型油菜在我省高寒阴湿地区推广以来遇到的一个突出问题。群众反映“奥罗油菜好是好,就是难种”,主要就是因为不掌握油菜茎象(虫甲)的防治方法。在1978—1984年推广奥罗油菜和研究其丰产栽培技术的过程中,我们对油菜茎象(虫甲)的发生与防治进行了一些调查和研究,现报告如下。一,危害情况我省甘蓝型油菜主要分布在定西、临夏、甘南等地州海拔1800—2400米的高寒阴湿地区。油菜茎象(虫甲)对本区所有油菜类型都能造成危害,但以新引进推广的甘蓝型油菜受害最
The damage of the canola stem (Ceuthorrhynchus sp.) Is a prominent problem encountered since the popularization of Brassica napus in the cold and humid regions of our province. The masses said “O’Rourke is good, it is difficult to breed,” mainly because they do not have the control of rape stems (insects) prevention and treatment methods. In the 1978-1984 promotion of Orobanse rapeseed and its high-yield cultivation techniques, we rape stem (pest) the occurrence and prevention of some of the investigations and studies, are as follows. First, the damage situation Our province is mainly located in Brassica napus Dingxi, Linxia, Gannan and other prefectures 1800-2400 meters above sea level in the alpine wet area. Rape stems (insects) on all rapeseed types in the region can cause harm, but the introduction of the introduction of newly introduced cabbage rape victims