由于棉花生育期长，霜后花多，品质下降，产量不高，又影响小麦播期，使小麦晚熟低产——这是我国北方棉区实行的麦棉两熟模式遇到的一大难题，因中国农科院棉花研究所培育出中棉所24而获解决。来自全国6个棉区的示范推广结果表明，今年通过国家品种审定的中棉所24，早熟不早衰 Due to the long period of cotton growth, flower after frost, the quality of decline, the yield is not high, but also affect the sowing date of wheat, so that late wheat low yield - This is the implementation of the northern cotton region of China cotton and wheat two ripe models encountered a major problem, The cotton institute of China Academy of Agricultural Sciences nurtured by the cotton 24 was resolved. Demonstration and promotion results from 6 cotton areas across the country show that this year, the CCMO, which passed the examination of the national varieties, 24 is not premature to premature decline