Pollinators are often visually attracted by the shape and colours of the labellum.

傳粉昆蟲通常被唇瓣的形狀和顏色的視覺效果所吸引亚洲欧美中文日韩激情。

The inferior ovary or the pedicel usually rotates 180 degrees, so that the labellum, goes on the lower part of the flower, thus becoming suitable to form a platform for pollinators.

子房下位或者花莖通常旋轉(zhuǎn)180度，所以唇瓣長在花靠下的位置αⅴ插插，因此能夠在一個適當(dāng)?shù)奈恢眯纬梢粋€平臺供給授粉者日本美女免费黄色网站。

There were no strong correlations between nectary structures and pollinator behavior, although gelatinous or watery nectar was associated with the foraging preference of pollinators.

它們的蜜腺結(jié)構(gòu)和傳粉者行為之間沒有明顯的相關(guān)性，但是膠質(zhì)或水質(zhì)的花蜜對傳粉者的取食方式有一定影響夜晚av网站。

In this paper, we studied the relationships between pollen histochemistry, pollen grain number, ovule number and pollinators in Phyllanthaceae.

本文研究了葉下珠科部分種類的花粉組織化學(xué)国产下药迷在线视频、花粉數(shù)和胚珠數(shù)，以及它們與傳粉者之間的關(guān)系不卡免费黄色小视频。

In 2006 America's National Academy of Sciences released a report on the status of pollinators in North America that concluded "for most North American pollinator species, long-term population data are lacking and knowledge of their basic ecology is incomplete."

但事情的真相依然撲簌迷離男女八x八x视频网站。2006年美國科學(xué)院發(fā)布了一份關(guān)于北美授粉狀況的調(diào)察報(bào)告，其結(jié)論是："對大多數(shù)北美地區(qū)的授粉動物而言无码AV一区二区大桥久未，既缺乏長期收集的動物數(shù)量數(shù)據(jù)看黄免费看，也缺乏對其基本生態(tài)學(xué)的研究。"

Some orchids mainly or totally rely on self-pollination, especially in colder regions where pollinators are particularly rare.

一些蘭科植物主要或者完全依賴于自花傳粉可以的黄色网站有哪些，尤其在一些比較冷而且傳粉昆蟲特別稀缺的地區(qū)欧美日韩综合自拍小说网站。

Thus, flowering plant species dependent on insect pollination, as opposed to self-pollination or wind pollination, could be endangered when the population of insect-pollinators is depleted by the use of pesticides.

因此，依賴于昆蟲授粉的開花類的植物加勒比在线视频一区，因?yàn)椴煌谧陨硎诜刍蝻L(fēng)媒授粉黄免费视频色，在花粉媒蟲數(shù)量因殺蟲劑的使用而減少時，會瀕臨滅絕的危險(xiǎn)黄页网站在线观看视频在线。

Based on the Duncan's multiple range test, there was obvious difference in all above mentioned fruit quality index among the fruit received from different pollinators, indicating the distinct pollen xenia for plum.

經(jīng)Duncan多重比較分析美女视频网站一区，黑寶石李的坐果率、單果質(zhì)量欧美日韩激情A片视频一站、縱橫徑美女被啪啪网站、可溶性固形物、果實(shí)形狀等方面不同品種授粉以及與自然授粉存在顯著或極顯著差異能看av得网站，表現(xiàn)出明顯的花粉直感現(xiàn)象。

And one Andrena sp were main pollinators.

和地蜂科的一種地蜂Andrena sp国产精品黄页免费观看。

However, autogamous and geitonogamous pollination is unavoidable because of the large number of flowers on a single tree and the action of pollinators.

對六個野生滇桐居群的11個適合度相關(guān)性狀指標(biāo)比較研究国产a片区真实,乱伦，同時檢測了居群大小與這些性狀指標(biāo)的相關(guān)性。