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利用杂种优势是提高农作物产量和品质的一个重要方法,是五十年代以来国内外广泛应用,而且卓有成效的增产措施之一。杂种优势在棉花生产上的应用,是目前世界各国棉花生产获得优质、高产的重要手段。当前国内研究和利用最多的,是陆地棉品种间
The utilization of heterosis is an important method to increase crop yield and quality. It is one of the most widely used and effective measures to increase production since the 1950s. The application of heterosis in cotton production is an important method for obtaining high quality and high yield of cotton production in various countries in the world at present. At present, the most widely researched and utilized in China is between upland cotton varieties