据苏联《阿塞尔拜疆农业科学通报》1976年第五期报导:作者研究了三种获得原种的方法:品种内杂交,单株选种和强制性的自花授粉。采用单株选种法比品种内杂交法来生产原种使得第一至三代的原棉产量不高,亦叩连续三年内108一中品种每公顷为11 .4公担;C一4727品种每公顷为11.9公担,2833品种每公顷 According to the Soviet Union, “Azerbaijan Agricultural Science Bulletin,” fifth issue in 1976 reported: The authors studied three methods to obtain the original species: hybrids within the variety, selection of individual plants and forced self-pollination. The single seed selection method than the hybrid varieties in the production of the original species makes the first to the third generation of raw cotton production is not high, also knocking for three consecutive years, 108 a variety of 11.4 hectares per hectare; C-4727 varieties per hectare 11.9 kgs, 2833 varieties per hectare