Longevity of shattercane seed in soil across Nebraska*

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Abstract
Summary: Longevity of shattercane [Sorghum bicolor (L.) Moench] seed buried 22 cm deep in soil at three locations across Nebraska, U.S.A. was followed for 14 years. Shattercane seed lost viability more quickly when buried in a Keith very fine sandy loam in western Nebraska (Alliance, average seed germination 21%) than in a Holdrege silt loam in central (North Platte, 37% germination) or in a Sharpsburg silty clay loam in eastern Nebraska (Lincoln, 38% germination) which were similar. The maximum survival of the open‐panicle shattercane biotype, with glumes tightly enclosing the seeds, used in this study was 11, 12, and 13 years at Alliance, North Platte, and Lincoln, Nebraska, respectively.