1、

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。

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2、

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。

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3、

The probability of any air-borne pollen grain impacting a female strobilus is in any case very small.

任何在空气中飘浮的花粉粒粘着于雌球花的几率,在任何情况下都是很小的。空气中有浓郁的花香。

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4、

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.

结果表明:雌球果原基发生时间为10月中旬,不同的树龄和着生部位,其发生时间不同。

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5、

It takes 14 months from differentiation of female strobilus to formation of mature embryo.

太白红杉从花芽分化到胚胎成熟历时14个月。

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6、

The successive 7 year observation on seed setting habit for Pinus massoniana seed stand was carried out, results show: ( 1) Flowering period ranged from 10 to 15 days, but the flowering period of male and female strobilus are overlapped;

通过对马尾松母树林7a的观测资料分析表明:(1)马尾松花期为10~15d,雌雄球花的散粉期与受粉期大致同步;

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7、

In addition, the relationship between strobilus spatial distribution and lighting is discussed and some initial suggestions about pruning ard thinning in the seed orchard are presented.

作者讨论了油松树冠受光环境与雌雄球花空间分布的关系,提出了油松种子园无性系整形修剪的初步设想。

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