传粉滴
- pollination drop
-
叶生拟胚珠的形成期比正常胚珠滞后15d,而且在授粉期的叶生拟胚珠上始终未发现传粉滴的出现;
The ovule-like organ lagged behind the normal ovule for fifteen days at initial stage , moreover no pollination drop was found on the ovule-like organ .
-
红豆杉的胚珠发育、传粉滴形成和传粉过程(英文)
Ovule Development , Formation of Pollination Drop and Pollination Process in Taxus chinensis ( Taxaceae )
-
结果如下:毛乌素沙地天然臭柏种群的单花花期一般为11~13d,雌球花最佳可授期约为7d左右,可授期雌球花产生传粉滴而野外并未发现。
The results were as followings : The single flowering period is from 11 to 13d , the best pollination period of female flower is about 7d , during which we found pollination drop in room but none in field .
-
室外树上的传粉滴通常在夜间产生,中午前消失。
Pollination drops usually occurred at night , and disappeared by noon in the field tree .
-
侧柏传粉滴的收缩可能主要是由于花粉减弱胚珠分泌的结果。将表达载体转化E。
The drop withdrawal could he mainly induced by the pollen that causes the reduction of ovule secretion . Induced into E.
-
这说明圆柏的传粉滴能够特异性的识别圆柏花粉并将其带入胚珠以完成授粉。
This shows Sabina pollination drops juniper pollen can specifically identify and brought it into the ovule to complete pollination . 4 .
-
这些化合物具有较强的保湿、抑菌、抗氧化等作用,对授粉到胚珠传粉滴上的花粉起一定的保护和刺激作用。
These compounds play a role of protection and stimulation to the pollen as their chemical properties of moisturizing , antibacterial and antioxidation . 5 .
-
通常情况下,外壁保留在水滴或传粉滴的表面,而花粉的其他部分进入水滴或传粉滴内。
The exine usually remained on the surface of water or on the pollination drop all the time , while the rest portion of the pollen sank into the drop of water or the pollination drop .