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棉花杂种第一代具有强大的增产优势,因此,杂优利用已被高度重视。为了便于在生产上广大群众掌握简便易行的杂交授粉技
The first generation of cotton hybrids have a strong yield advantage, therefore, heterotic use has been highly valued. In order to facilitate the production of the masses grasp the easy and convenient hybridization pollination technology