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茶树属多年生作物,在遗传组成上又都是异质结合的,后代有广泛的分离。Wight(1939)的研究,认为在东北印度生产茶园中,约10％的茶树产量仅占总产的2％,而0.5％的茶丛产量比一般茶丛产量高二倍以上。Cohenstuart研究发现同一群体茶园
Tea tree perennial crops, in the genetic composition and are heterogeneous combination of offspring with a wide range of separation. In the study by Wight (1939), about 10% of the tea plantations in northeastern India produced only 2% of the total output while 0.5% of the tea production was more than twice as high as the average. Cohenstuart study found the same group of tea plantations