黄皮33份种质资源花粉形态观察

明确黄皮种质资源花粉的形态特征及种质间的亲缘关系,为确定黄皮种质资源的系统分类鉴定提供孢粉学依据。以来自福建省11个产地的33份黄皮种质花粉为试材,经固定、清洗、逐级脱水、干燥、喷金镀膜等处理,采用JSM-6380LV型扫描电子显微镜观察花粉的形态结构,分别选取有代表性的视野观察黄皮花粉群体(放大800倍)、花粉个体(放大3500倍)、花粉赤道面中部的外壁纹饰(放大8000倍)等方面的超微形态特征分别进行显微照相和相关指标测定,将试验所得的综合数据进行统计分析和聚类分析。试验结果表明,观察的黄皮花粉为近球形(0.88

Characteristics and Classification of the Thirty-three Pollen Grains of Wampee Germplasm Resource

Clausena lansium (Lour.) Skeels was a small tropical and subtropical evergreen tree of Clausena in Rutaceae family,Originated in South China, Fujian had been cultivated for more than 1500 years. It was one of the main producing areas of wampee. Its wampee had undergone long-term natural variation, artificial selection breeding and domestication cultivation, forming a large number of genetic resources, with rich germplasm resources.