1) unreduced pollen grains
2n花粉粒
2) 2n pollen
2n花粉
1.
2n pollen of P.tomentosa×P.bolleana induced by four antimicrotubule agents.;
四种抗微管物质诱导毛新杨2n花粉粒的研究
2.
Suitable period of high temperature treatment for 2n pollen of Populus tomentosa×P.bolleana.;
高温诱导白杨2n花粉有效处理时期的研究
3.
Observation of spontaneous occurrence of 2n pollen in a fewC itrusspec ies confirm ed the existence of unreduced pollen in them.
果树2n配子育种较其他植物起步晚,尤其是利用2n花粉进行育种的研究在柑橘上还无先例。
3) induction of 2n pollen grain
2n花粉诱导
4) occurrence of 2n pollen
2n花粉发生
5) Study on 2n Pollen in Chinese Jujube
枣树2n花粉研究
6) Pollen grain
花粉粒
1.
The microstructure of pollen grain in tea (Camellia sinensis) pollen and bee bread;
茶(Camellia sinensis)花粉及其蜂粮中花粉粒的显微结构
2.
The pollen grain shape,the size and the surface carved characteristics of two kinds of plants in genus Hypericum were observed with scanning electron microscope.
利用扫描电镜对黑龙江省两种金丝桃属植物(乌腺金丝桃、长柱金丝桃)的花粉粒形态、大小及表面雕纹等特征进行了观察比较。
3.
【Result】 The shape of pollen grains were prolate,spheroidal or subspheroidal in equatorial view,and three-lobed in polar view;the sizes of pollen grains were 22.
【结果】10种绢蒿属植物花粉粒较小,呈长球形、球形或近球形,赤道面观为圆形或椭圆形,极面观为三裂片圆形;极轴(P)长(16。
补充资料：减数分裂Ⅱ花粉粒
李秀兰摄
[图]
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条