germination aperture中文是什么意思

• 萌发孔

• germination    n. 萌芽，发生。
• aperture    n. 1.孔，隙缝。 2.(照相机的)光圈；孔径，口径。 ...
• aperture    n. 1.孔，隙缝。 2.(照相机的)光圈；孔径，口径。
• accelerating germination    催芽,促进发芽
• artificial germination    人工摧芽; 人工催芽
• bipolar germination    两极萌芽
• capable of germination    能够萌芽的
• coefficient of germination    发芽系数
• controlled germination    控制发芽
• dark germination    遮光发芽
• date of germination    发芽期
• delayed germination    迟延发芽; 延期发芽; 延期萌发
• direct germination    直接萌发
• duration of germination    发芽期间
• during germination    在发芽期间
• eed of germination    发芽速度
• epigeal germination    地上发芽
• erratic germination    不稳定发芽
• false germination    假萌发
• field germination    苗圃发芽率; 田间发芽; 野外萌发
• germination accelerator    促萌发剂
• germination apparatus    发芽器
• germination bed    催芽床
• germination capacity    发芽能力,发芽率,发芽量
• germination dish    发芽皿

• The evolutionary trend of the germination apertures of the pollen grains in this tribe may be from the absence of germination apertures to the presence of 3 , 4 - colpate , then to 3 - colporate germination aperture
  无萌发孔的山莫若属是原始类群，三孔沟的马尿泡和天仙子等属是进化类群。
• They are globose , subglobose , oblate and prolate in shape . the germination apertures are absent , or present and are irregularly poroid , 3 - colpate , 4 - colpate , 3 - 4 - colpate , pantocolpate and 3 - colporate . the exine ornamentation is spinulose , tuberculate , variously striate , striate - foveolate , striate - reticulate , rugose - sinuate , minutely reticulate and reticulate
  条纹网状、皱波状、细网状和网状c沟膜近光滑、具小颗粒、具小刺状突起或具瘤状突起。
• The colpal membrane is nearly smooth but with granular , spinulose or tuberculate protuberances . the pollen grains show great variations between the genera in the tribe hyoscyameae in terms of the presence or absence of the germination aperture and its type , and the exine ornamentation , and thus can be used as important characters in the consideration of the phylogenetic relationship of this tribe
  各属植物的花粉形态在萌发孔的有无、萌发孔的类型和外壁纹饰等方面有较大的差异，可以作为探讨属间分类和系统关系的重要依据c天仙子族植物花粉萌发孔的演化趋势为：无萌发孔一3 、 4沟一3孔沟。