It is a mechanism that helps prevent self-pollination and is most common among wind-pollinated and unspecialized insect-pollinated flowers, as in figwort.
是一种避免自花授粉的机制，在风媒花和非专性虫媒花中最
普遍，比方说玄参。
);
,种;It is a mechanism that helps prevent self-pollination and is most common among wind-pollinated and unspecialized insect-pollinated flowers, as in figwort.
是一种避免自花授粉的机制，在风媒花和非专性虫媒花中最普遍，比方说玄参。
Based on the experiment results, hand-cross-pollination operation procedure for sugar apple and atemoya is proposed for practical utilization in the industry to solve the dilemma.
依试验结果，建立番荔枝与凤梨释迦人工异花授粉
业模式，
业经营实际应
，以解决困境。
In order to analysis the genetic characteristic of male sterility, test cross, sister cross, back cross, reciprocal cross and self-pollination were conducted with these male sterule plants.
通过正交和反交对不育株的所属类型进行分析，结合自交、回交分析其遗传特点。
The flowers were pretreated by (A) emasculating then bagging, (B) removal of stigma and (C) crosspollination, respectively as compared with control: open-pollination after emasculation.
结果表明：去雄套袋、截去柱头以破坏授粉和杂交授粉等处理与去雄不套袋对照之间结实率的差异不显著。
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