Cotton growers complain about too many varieties, a disorganized seed market with no guarantee of seed quality. Some varieties are even absolutely non- insect-resistance cotton; all of these factors make it difficult to choose which varieties to grow.

• 使用者认为转基因抗虫棉品种太多、太滥，种子质量没有保证，有些品种根本就不抗虫，选择抗虫棉品种比较困难，同时还认为棉花市场价格波动是当前影响转基因抗虫棉品种选择的重要因素之一。