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研究黑龙江省玉米生态型的形成并按其生态分布进行区划,对于农业现代化所要求的玉米生产区域化,确定育种点的合理布局、生态育种目标和因地制宜的引进早熟高产品种,加速我省农业现代化和商品粮基地建设都有很大的现实意义。一、黑龙江省玉米品种生态型的形成根据我院收集全省60多个县的900多份玉米品种的分析,不同类型的品种,都具
The formation of corn ecotypes in Heilongjiang Province was studied and zoned according to their ecological distribution. For the regionalization of corn production required by agricultural modernization, the rational layout of breeding sites, the objectives of ecological breeding and the introduction of premature and high yielding varieties according to local conditions were determined, and the agricultural modernization in our province And commodity grain base construction has great practical significance. First, the formation of ecological type of maize varieties in Heilongjiang Province According to our hospital to collect more than 60 counties in the province of more than 900 varieties of maize analysis, different types of varieties, with