“南鉴”即海南鉴定,是将本地繁制的杂交种子,抽取有代表性的样品,利用海南冬季的温光资源,在海南进行小区种植鉴定其纯度的简称。我省从70年代杂交水稻制种开始,对杂交水稻种就采取的海南鉴定的方法来鉴定纯度,每年鉴定样品几千份,多的年份达万份,代表种子数几千万公斤。通过南鉴,淘汰了不合格种子,推动制种农户去杂,防止极少农户掺假, “South Kam ” Hainan identification, is the local hybrid breeding of seeds, extract representative samples, the use of Hainan winter temperature light resources, in Hainan planted to identify the purity of its area. From the beginning of the hybrid rice seed production in the 1970s, our province identified the purity of the hybrid rice species by using the method of Hainan identification. Thousands of samples were identified each year, reaching tens of thousands of years in many years, representing tens of millions of kilograms of seeds. Through the South Kam, out of unqualified seeds, to promote seed production to miscellaneous farmers to prevent adulteration of very few farmers,