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１９９７年在墨西哥坦马乌利帕斯南部国家试验农场，对墨美中三国的２６个棉花品种进行了比较研究。籽棉产量分析表明，品种间具有显著的差异。参试品种可以分为三种类型：第一类１２个美国品种为高产类型，籽棉产量为２３００～２８００ｋｇ／ｈｍ２，包含３个佩马斯特品种，四个岱字棉品种和５个苏热格罗品种；第二种类型７个品种，属中产类型，籽棉产量为２０００～２３００ｋｇ／ｈｍ２，其中包括２个中国品种（湘棉１０号和泗棉２号）和１个墨西哥品种ＣＥＳＴＡＭ８７１。第三类７个品种，包括６个墨西哥品种和１个中国品种，籽棉产量为１８００～２０００ｋｇ／ｈｍ２。
Twenty-six cotton varieties from Mexico, the United States, and the three countries were compared in 1997 at the National Experimental Farm in southern Ulitus, Mexico. Seed cotton yield analysis showed that there was a significant difference between varieties. The test varieties can be divided into three types: the first 12 varieties of the United States for the high-yield type, seed cotton yield of 2300 ~ 2800kg / hm2, including three Pei Maisite varieties, four Dai word cotton varieties and 5 Su heat Gloria varieties; the second type of seven varieties, is a middle-class type of seed cotton yield of 2000 ~ 2300kg / hm2, including two Chinese varieties (Xiangmian 10 and Simian 2) and a Mexican CESTAM87 1 . The third category consists of seven varieties, including six Mexican varieties and one Chinese variety with seed cotton production of 1800-2000 kg / hm2.