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1 三圃提纯法 1.1 单株培育选择圃常以原种为材料,也可以结合原原种繁殖同时进行。主要是选择具有本品种典型的优良单株,选择植株整齐,雌花较大,分枝成熟一致,朔果多,—般在开花期初选,随时挂牌登记,在主穗成熟期复选单株收获保存,然后室内考种决选,最后单株脱粒保存。 1.2 株行鉴定圃此圃应选择四周300m以上没有种植蓖麻的地块,将上年入选的单株种子统一编号,每株种一行或几行形成一个株系。在
1 three nursery purification method 1.1 Plant nurture selection nursery often the original species as material, can also be combined with the original breeding at the same time. Mainly choose to have the typical fine varieties of this species, the choice of plant neat, larger female flowers, branches mature, Shuo fruit and more, - usually in the flowering of primaries, listed at any time, in the main ear of mature plant harvest check harvested , Then the indoor test selection, the last single threshing save. 1.2 line identification nursery This nursery should choose more than 300m around the castor is not planted plots, the last year selected single seed number unified, each line of one or a few lines to form a line. in