棉花无腺体品种可以扩大食物蛋白质的资源。但因不含棉毒素会丧失对许多害虫的拮抗作用。目前,国外一些棉花育种工作者,正在研究提高无腺体棉花对多种病虫害的抗性问题,希望培育出棉花种子不含棉毒素,而植株则高含棉毒素的育种种质。费里克塞尔(1965)发现野生比克棉种具有一种特殊的油腺延缓形成特性,其种子内无腺 Gossypium-free varieties of cotton can expand the resources of food proteins. But because of the lack of cotton toxins will lose the antagonism of many pests. At present, some cotton breeders abroad are studying how to improve the resistance of a gland-free cotton to various diseases and insect pests. They hope to breed cotton seeds without cotton toxins and plants with high cotton toxin breeding germplasm. Felixsell (1965) found that wild pique species have a special oil gland retardation-forming characteristic, with no gland in their seeds