2) megastrobilus
大孢子叶球
1.
Result from observation of sex reversal phenomenon of Pinus tabulaeformis microstrobilus shows that: differentiated normal microstrobilus had a phenomenon of sex reversal,which changed to megastrobilus gradually from the top to the base,until the entire into unusual megastrobilus;the unusual megastrobilus had a ability to accept pollen,and developed into fascicled small cone on the branches.
通过对油松小孢子叶球性反转现象的观察,结果表明:已经完成分化的正常小孢子叶球发生了性反转,从其顶端的小孢子叶开始向基部逐渐转变成大孢子叶,直至整个小孢子叶球转变成异常的大孢子叶球;异常大孢子叶球具有接受花粉的能力,并在枝条上发育成为蔟状着生的小球果。
3) Megasporangium-sporophyll unit
大孢子囊-孢子叶复合体
4) Megastrobilus theory
大孢子叶球理论
5) Sporophyll
[英]['spɔ:rəfil] [美]['sporəfɪl]
孢子叶
1.
The paper biologically determined on the antibiotic activeness of sporophylls and trophophylls of pteridophytes.
对新疆９ 种蕨类植物孢子叶或营养叶的抗菌活性进行了生物测定，试验结果表明有６ 种蕨类植物孢子叶或营养叶对１ － ２ 种细菌具有较强的抑制作用，而对真菌均无抑制活
补充资料：小麦大孢子的发育大孢子母细胞
胡适宜提供
[图]
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条