Male sterility in sorghum: its possible utilization in production of hybrid seed
1937
Stephens, J.C.
A male sterile plant of Texas Blackhull kafir was discovered in a plat of the sorghum variety test at Texas Substation No. 12, Chillicothe, Texas, in 1935. In the F2 generation of hybrids with this plant the progeny segregated into classes of approximately 3 normal plants to 1 male sterile plant. Studies of hybrid vigor in sorghum, particularly those of Karper and Quinby, show that the yields from crossed seed may greatly exceed the yields of parental varieties. This male sterile character may be useful in developing a method for the commercial production of hybrid sorghum seed. A suggestive outline of the steps necessary to produce hybrid seed is presented.
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