Analysis on the variation of female-male flowers and strobilus production of clonal seed orchard of pinus tabulaeformis carr .
油松无性系种子园雌雄球花量及球果量变异分析。
It lasted for more than four months from initiation of the ovulate strobilus to formation of anatropous ovules .
从雌球果原基发生到胚珠分化历时4个多月。
The sub-tropical winter weather has no apparent inhibition for the growth and development of the ovulate strobilus in pinus massoniana .
亚热带的冬季气候对马尾松雌球果的生长发育没有明显的抑制作用。
Result is as follows : in the middle of october , the primordium of ovulate strobilus occurred , its occurrence time varied between different-aged ramets and different occurrence part .
