Stress cracking and breakage susceptibility as affected by moisture content at harvest for four yellow dent corn hybrids

C. L. Weller, M. R. Paulsen, M. P. Steinberg

Research output: Contribution to journalArticlepeer-review

Abstract

Four hybrids of yellow dent corn were harvested at three levels of moisture content. After drying, samples were analyzed for stress cracking and susceptibility to breakage in Wisconsin (WBT) and Stein (SBT) breakage testers. Significant differences in stress cracking and breakage susceptibility as determined with the WBT and the SBT were observed among the four hybrids. Breakage susceptibility as measured with the WBT and SBT significantly increased as the harvest moisture increased. Stress cracks increased significantly as harvest moisture increased within the drying air temperatures of 49, 71, and 93° C. WBT breakage susceptibility significantly increased as drying air temperature increased. Stress cracking was more highly correlated with WBT breakage than with SBT breakage.

Original languageEnglish (US)
Pages (from-to)863-869
Number of pages7
JournalTransactions of the American Society of Agricultural Engineers
Volume33
Issue number3
StatePublished - May 1 1990

ASJC Scopus subject areas

  • Agricultural and Biological Sciences (miscellaneous)

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