Studies on the closure behavior of the touch-sensitive stigmas in flowering plants are one of the hotspots in pollination ecology and evolutionary biology.
有花植物触敏柱头的闭合行为一直是传粉生态学和进化生物学研究的热点问题之一。
The sterile plant with multiple stigmas had a high outcrossing percentage of seed setting because its multiple and long stigmas enlarged the area of pollination.
多柱头不育株，由于柱头多而长，接受花粉面积大，异交结实率高。
Protogyny in M. grandiflora lies in a mechanism that determines the anther dehiscence stage, thus reducing self-pollination and interference between pollen and stigmas.
广玉兰的雌性先熟是通过主动控制花药开裂时间，降低雌雄功能干扰，有效减少自花授粉。
Pollination is the mechanical transfer of pollen from the anthers to the stigmas.
授粉是机械地把花药里的花粉传送到柱头上去。
Ovary ovoid or globose; stigmas 2 or 3 (-5), usually recurved, papillate throughout.
子房卵球形或球状；柱头2或3(- 5)，通常下弯，整个具乳突。
High level of GUS expression was detected in mature pollens as well as leaves, roots, sepals and stigmas.
能够在成熟花粉以及叶片、根、萼片和柱头中检测到GUS的高水平表达。
Our results indicate that the stigmas appear to have conserved and novel molecular functions between rice and Arabidopsis.
我们的结果提示了水稻和拟南芥柱头具有保守功能和新功能。
The results were as follow:complete flower, corymb inflorescens, imferior ovary, rotate corolla, androecium with 16~30 stamens, compound pistil with 5~6 stigmas;
结果表明：香梨为完全花，伞房花序，花冠轮生辐射对称，雄蕊16～30枚，柱头多为5枚，极少数为6枚。
Examples of closure behavior of bi- or multi-lobed stigmas in response to being touched by animal pollinators were mainly studied in some taxa of the order Scrophulariales .
植物花的多裂片柱头在传粉者接触后迅速闭合的现象主要存在于玄参目的一些类群中。
Examples of closure behavior of bi- or multi-lobed stigmas in response to being touched by animal pollinators were mainly studied in some taxa of the order Scrophulariales .
植物花的多裂片柱头在传粉者接触后迅速闭合的现象主要存在于玄参目的一些类群中。
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