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商丘40是最近育成的棉花品种,适合春播和麦棉套种。耐盐碱能力较强。一、品种来源和选育商丘40是1973年以商丘224作母本,商丘279(莘棉5号选系)为父本进行杂交。1974年一代表现杆硬抗倒,结铃性强等优点,但又表现出衣分低的缺点。1975年又用绒长衣
Shangqiu 40 is a recently bred cotton variety suitable for spring sowing and wheat-cotton interplanting. Salt tolerance ability. First, the source of breed and breeding Shangqiu 40 is Shangqiu 224 as a female parent in 1973 Shangqiu 279 (Xinmian 5 line) as the male parent hybrid. The performance of the 1974 generation showed that the first generation of clubs had the advantages of hard-to-run-down and strong knotty, but showed the disadvantage of low clothing points. 1975 with velvet long clothing