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对比分析了郴州市的温度、光照及水分条件与适宜棉花生长发育的气候条件之间的差异,总结了湘南地区适宜杂交棉制种的地理、气候、农业基础设施3个方面的优势,并从加强苗期管理,培育壮苗;合理密植,及时移栽;合理追肥,及时整枝;去雄授粉,保证种子质量;及时采收,分别轧花等方面提出了杂交棉制种的关键技术
The differences between the temperature, light and moisture conditions in Chenzhou and the climatic conditions suitable for the growth and development of cotton were analyzed and compared. The advantages of geography, climate and agricultural infrastructure suitable for hybrid cotton seed production in southern Hunan were summarized. Strengthen seedling management, nurturing seedlings; reasonable close planting, timely transplanting; reasonable top dressing, timely pruning; to pollination, to ensure the quality of seeds; timely harvest, respectively, ginning and other aspects of hybrid cotton seed production of key technologies