花生种子提纯复壮的“三级”繁殖法研究江苏省盱眙县农业局蔡云河，王家勤花生通常采用单株选择、分系比较、混系繁殖，即“三年三圃法”或“二年二圃法”提纯复壮。但此法周期较长，“三年三圃法”从选择圃到生产出原种需要４年时间，“二年二圃法”需要３年时间，影响种... Peanut Seeds Purification and Rejuvenation of the “three” breeding method Agricultural Bureau of Juyi County, Jiangsu Province, Cai Yunhe, Wang Jiaqin peanut usually use single plant selection, comparison of subsystems, mixed breeding, that is, “three years of three garden law” or “two years Pu law ”Purification and rejuvenation. However, this method has a longer period of time. It takes four years for the “Three-year Law of Three Pu” from selecting a garden to producing the original species, and “Two Years of Nursery Law” takes three years to influence the species ...