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Pollen Morphological characteristics in wild Cerasus humilis(Bge)Sok at Yanshan Mountains
Author(s): 
Pages: 135-139
Year: Issue:  1
Journal: Nonwood Forest Research

Keyword:  欧李花粉形态扫描电镜;
Abstract: 通过对燕山山脉野生欧李群体中34株实生和嫁接类型花粉形态特征进行电镜扫描观测,研究野生欧李资源演化进化以及抱粉学特征.结果表明,燕山山脉的欧李花粉形状大体划分为长球形或超长球形,极面观为三裂圆形,具三孔沟,按NPC系统分类属于N_3P_4C_5型.花粉外壁纹饰呈穿孔纹饰、条纹-穿孔纹饰和条纹状纹饰3种类型.欧李不同株系之间在花粉形状、大小、表面纹饰、极轴长(P)、赤道轴长(E)以及P/E值等指标存...
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