我国有盐碱地2.7百万公顷,列世界第4位。随着灌溉农业的发展,次生盐渍化面积仍在逐年增加,严重影响和限制了棉花生产的发展,因而,快速准确鉴定耐盐棉花品种是十分重要的。棉花品种耐盐性鉴定一般多采用盐池、盆栽和海水浇灌等方法,不仅占地面积大,鉴 China has 2.7 million hectares of saline land and ranks the 4th in the world. With the development of irrigated agriculture, the area of ​​secondary salinization is still increasing year by year, seriously affecting and limiting the development of cotton production. Therefore, it is very important to identify the salt tolerant cotton varieties rapidly and accurately. Salt tolerance identification of cotton varieties generally use salt ponds, potted plants and sea water and other methods, not only covers an area of ​​large, Kam