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1987年在陆地棉与海岛棉远缘杂交后代材料中,发现了一些结铃性极差的植株,对花部性状观察表明,雌蕊柱头在花苞开放前露在外面,花苞顶端和露在外面的花药为红
In 1987, in the distant hybrid cross between Gossypium hirsutum and Gossypium barbadense, some plants with extremely poor ringing were found. Observations on flower traits showed that the stigma of the pistil was exposed outside before the flower bud was open, and the top of the flower bud was exposed outside Anthers red