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渡口自引种繁殖紫胶虫以来,一年两代,生产正常,已持续十余年了。这一成果对解决省内种胶自给,促进内地原胶生产的发展,显示了可喜的前景。但是,在大庄等干热河谷地区所提供的种胶,曾发生过幼虫涌散少,固虫量低,甚至不涌散现象,致使原胶生产不能达到预期的效果。因而使部分群众对渡口地区能否作为我省紫胶虫保种基地,向内地提供优良种胶产生疑虑。为此,我室于今年五六月间,对渡口大庄紫胶队75年冬代种胶的质量、采种方式、调运管理以
Ferry since the introduction of breeding lac insect, a year, two generations, production is normal, has lasted for more than ten years. This achievement shows a promising prospect for solving the problem of self-sufficiency of rubber in the province and promoting the development of raw gum in the Mainland. However, gelatin supplied in Dazhuang and other dry-hot river valleys had less larvae burst, less or no solid worms, causing the production of raw gums to fail to achieve the expected results. Therefore, some people may have doubts about whether the ferry can serve as a base for the preservation of the genus Ichneumon in the province and provide excellent gelatin to the Mainland. To this end, my room in May and June this year, the ferry Dudou Gezhuang 75 years of winter glue quality, mining methods, transport management to