1 棉花品种开发利用的依据不同棉花品种具有不同的属性。丰产性、抗逆性、早熟性、纤维品质,乃至株型、叶型、叶色、腺体等均属之。有的品性属质量性状,如雄性不育、芽黄、无腺体、鸡脚叶等,不易受环境的影响而改变;有的品性属数量性状,如产量结构诸因素,纤维细度、长度、强度等,易受环境的影响。品种是在一定生态和经济条件下,根据一定的目标选育而成的具有相对一致的特性的特征, A cotton varieties based on the development and utilization of different varieties of cotton have different properties. High yield, resistance, premature, fiber quality, and even plant type, leaf type, leaf color, gland and so on belong to it. Some traits are quality traits, such as male sterility, bud yellow, glands, chicken feet and so on, not easily affected by the environment and change; some traits are quantitative traits, such as the yield structure of various factors, the fineness of the fiber , Length, strength, etc., vulnerable to the impact of the environment. Varieties are characteristics of relatively consistent characteristics selected and bred under certain ecological and economic conditions,