论文部分内容阅读
1973—74年我场进行了赤眼蜂防治松毛虫试验,在各级党组织的重视和领导下,在批林批孔运动的推动下,两年来共培育赤眼蜂5亿头,放蜂试验面积共1800亩,取得了育蜂治虫的初步成效。现将两年来试验工作进行情况和结果,整理于下:一、赤眼蜂寄主卵的储备(一)柞茧卵的储备1.柞蚕茧质量检查:1973年省农业局分配我场一批自河南鲁山采购的一化性柞蚕茧,检查结果于下:性比:抽查1500只的结果,雌占45.9%,雄占54.1%。死茧率:1月份检查为14.0%,3月份16.4%,4月份18.16%,即茧在越冬过程中陆续有死亡。
In 1973-74, Trichogramma was used to prevent and cure Trichinella spiralis in our field. With the great attention and leadership of party organizations at all levels, under the impetus of " A total area of 1,800 acres of trials, made a preliminary effect of insect pest breeding. Now two years of experimental work on the situation and results, sorted in the following: First, the reserve of Trichogramma host eggs (a) oak eggs reserve 1 tussah cocoon quality inspection: Provincial Bureau of Agriculture in 1973 to allocate a batch of my field since Henan Lushan one of the procurement of tussah cocoon, the test results in the next: sex ratio: spot checks the results of 1500, female 45.9%, male accounted for 54.1%. Dead cocoon rate: January check was 14.0%, 16.4% in March, 18.16% in April, that cocoon in the process of overwintering have died.