期刊
BIOCHEMICAL GENETICS
卷 48, 期 7-8, 页码 549-564出版社
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s10528-010-9338-z
关键词
AFLP; Genetic diversity; Tea accessions; Institute of Himalayan Bioresource Technology (IHBT); Tea Research Association; UPASI Tea Research Foundation
资金
- Department of Biotechnology
- Council of Scientific and Industrial Research, Government of India
India has a large repository of important tea accessions and, therefore, plays a major role in improving production and quality of tea across the world. Using seven AFLP primer combinations, we analyzed 123 commercially important tea accessions representing major populations in India. The overall genetic similarity recorded was 51%. No significant differences were recorded in average genetic similarity among tea populations cultivated in various geographic regions (northwest 0.60, northeast and south both 0.59). UPGMA cluster analysis grouped the tea accessions according to geographic locations, with a bias toward China or Assam/Cambod types. Cluster analysis results were congruent with principal component analysis. Further, analysis of molecular variance detected a high level of genetic variation (85%) within and limited genetic variation (15%) among the populations, suggesting their origin from a similar genetic pool.
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