幼树: treelet; earsh; sapling◇幼树丛 spring wood; spring
Example Sentences:
1.
Several vegetative clones of male or female gametophytes of u . pinnatifida has been induced and parthenogenesis of female gametophytes has been observed . 90 % of the gametophytes can grow into young sporophytes one month after fertilization . no staining background of either lacz or gus was found in different tissues of u . pinnatifida 进行裙带菜配子体孤雌生殖、孤雄生殖和雌雄受精的再生途径实验，结果没有得到孤雄生殖的裙带菜，孤雌生殖的效率低、时间长且发育不正常，雌雄受精的再生途径一个月左右90 %以上的雌配子体都正常萌发成幼孢子体。
