棉花品种区试是从育种到生产不可缺少的一环，对棉花品种更新换代起了引导作用，因此区试结果的准确性很重要。然而现在的区试也存在一些问题，影响了区试的准确性，现在就其中的一些问题提出自己的观点。1对照品种的提供一般区试都选用大田推广的同类品种做为对照品种，它们都 Regional testing of cotton varieties is an indispensable part of breeding to production, which plays a guiding role in cotton variety replacement. Therefore, the accuracy of the regional test results is very important. However, there are still some problems in the current district test, which has affected the accuracy of the district test. Now I put forward my own views on some of the problems. 1 control species provide general area test are selected Daejeon promote the same species as a control species, they all