Under normal condition, the valid plant rate in ordinary planting population was 50%, when the population came to 25~ 50 plants in non isolation growing, the minimum seed amount ( 30~ 50g) needed for conservation could be met.
在正常条件下,一般种植群体的有效株率占50%,群体达到25~50株时,才能满足贮藏所需的最低种子量(30~50g)
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