棉花看苗诊断、因苗管理,是在总结劳模看苗经验基础上发展起来的,对促进大面积棉花生产发挥着积极的作用.为了找出一个既容易被人们掌握,又最能反映棉株生育特点的指标性状,以提高和简化看苗诊断技术,于1979年进行了研究,现将1979-1981年初步研究结果报告如下:一、指标性状.看苗诊断,可以认为,是在群体条件下,以判断个体发育为依据的,因此,采取了在同群体内,以个体为 Cotton seedling diagnosis, because of seedling management, is based on the experience of model workers to see seedlings developed on the promotion of cotton production in large areas play an active role in order to find one that is easy to be mastered, and most can reflect the cotton plant Fertility characteristics of the traits to improve and simplify seedling diagnostic techniques, carried out in 1979, the study, the preliminary results of 1979-1981 are reported as follows: First, the index traits. Seedlings diagnosed, it can be considered, is the group conditions Under to determine the development of individuals as the basis, therefore, taken in the same group, with individuals as