ABSTRACT
Dr. Scott McMichael found the glandless trait in the cotton variety Hopi Moencopi at the U.S.D.A. Cotton Research Station, Shafter, CA during the 1950's. The glandless trait is controlled by two recessive genes, gl2 and gl3, and a plant homozygous for these two genes produces a cotton plant and seed nearly devoid of gossypol glands. Normal cotton plants and seed contain many of these gossypol-producing glands. Glandless cottonseed is low in gossypol content and provides an excellent protein source for animal and human consumption when compared to normal cottonseed.
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