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佛手系枸橼的自然变种,其原发中心在印度东北部和云南西南部和西部,在中国南方许多省市及亚洲、欧洲、北美一些国家广为分布。佛手主要按产地归类,也可按果形、果实和树体大、花朵颜色和枝皮颜色分类。除生物学特性鉴定外,薄层色谱、红外光谱、电镜扫描和RAPD分析是鉴定佛手品系和类型的有效手段。佛手不同品种观赏特性异较大,以金佛手的观赏价值最高,但金佛手品种群内不同品系观赏性状不同,生产用途也不同。通过选种、杂交育种、人工诱变育种和生物技术育种等手段,人们在观赏佛手的品种改良上取了一些进展。
The bergamot is a natural variety of citron. Its primary center is in northeastern India, southwestern and western Yunnan, widely distributed in many provinces and cities in southern China and some countries in Asia, Europe and North America. Bergamot mainly classified by origin, but also by fruit shape, fruit and tree body, flower color and bark color classification. In addition to biological characterization, thin layer chromatography, infrared spectroscopy, electron microscopy and RAPD analysis are effective methods to identify bergamot lines and types. Different varieties of bergamot ornamental characteristics of the larger, with the highest value of the golden bergamot hand, but the different varieties within the golden bergamot different ornamental traits, production uses are also different. Through the selection, crossbreeding, artificial mutation breeding and biotechnology breeding and other means, people in the ornamental bergamot variety improvement made some progress.