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1.审定状况1.1国审玉米新品种的区域分布5年间,我国各个玉米生态区均有审定品种,共有22个省、市、自治区育成的新品种通过国家审定。从审定品种数量来看,省(市、区)际间差异较大,审定品种分布不均衡,其中审定1～5个品种的有12个省(市、区),共审定品种29个,占全部审定品种的15.26%;审定6～10个品种的有4个省(市、区),共审定品种32个,占全部审定品种的16.84%;有6个省市审定品种数量达10
1. Validation Status 1.1 Regional Distribution of New Corn Cultivated in the Country During the 5 years, all the corn ecological zones in China have validated varieties, and a total of 22 new varieties bred by 22 provinces, municipalities and autonomous regions have passed the national validation. In terms of the number of validated species, there were significant differences among provinces (cities, districts) and the distribution of examined and approved varieties was uneven. Among them, 12 provinces (cities and districts) were examined with 1 to 5 varieties, of which 29 were approved, accounting for 15.26% of all validated varieties; validated 6 to 10 varieties in 4 provinces (cities, districts), a total of 32 approved varieties, accounting for 16.84% of all validated varieties; 6 provinces and cities examined the number of varieties of 10