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特丰１号能显著地促进棉花的蕾铃发育，减少蕾铃脱落，在栽培密度为３．９万株·ｈｍ－２左右的条件下，单株结铃增加４个以上，并能增加铃重和衣分，增籽棉６９０ｋｇ·ｈｍ－２，增产１８．７２％左右；控制棉花植株徒长，缩短主茎与果枝节间长度，矮化棉株１／３左右；延长叶片功能与寿命，叶色加深，叶片增厚；增强棉株抗逆性。
Tefeng 1 significantly promoted the development of boll buds and reduced the shedding of buds. Under the condition of planting density of about 3900 plants · hm-2, the number of bolls per plant increased by 4 or more and the bolls Increase the yield of cotton by 690kg · hm-2 and increase the yield by 18.72%; control the growth of cotton plant, shorten the length of the internode between stem and fruit branch, dwarf the cotton plant by about 1/3; Darker, thicker leaves; enhance cotton plant resistance.