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蓖麻蚕在河南省曾一度推广,但因蚕种问题未获解决而中途停止。为此我校在1960～1964年对蓖麻蚕在北方越冬问题曾作了一些研究,并选出了“百泉号”蚕种。兹将结果介绍于下。 一、试验情况与效果 1960年曾以卵、蛹保存过冬,结果如失效,只有蛹经过冬季能部分化蛾,经交配产卵,有少量蚁蚕孵出,随着此一启示,继续进行试验。1962年冬藏种茧150天,化蛾率90％以上。1963年冬,保存种茧11,933颗,冬藏150余天,至1964年4月分批暖茧,出蛾8,411
Castor silkworm silkworm once promoted in Henan Province, but stopped because of silkworm problem has not been solved. To this end my school in 1960 ~ 1964 castor silkworm overwintering in the north have made some research, and elect the “Baiquan” silkworm. The result is introduced below. First, the test conditions and effects In 1960 had eggs, pupae save the winter, the results such as failure, only the pupa after winter can part of the moth, by mating spawning, a small amount of ants hatch, with this revelation, continue the experiment . Tibet in the winter of 1962 150 kinds of cocoon, moth rate of 90%. In the winter of 1963, 11,933 cocoon species were preserved, and 150 days in winter. By April 1964 batches of warm cocoon and moth 8,411