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- Author or Editor: A. D. Wong x
- HortScience x
Dimethyl sulfide (DMS), the compound responsible for the characteristic “corny” aroma, and sugar are the principle chemical components of flavor in sweet corn. It was our contention that it may be possible to enhance the flavor potential of some high-sugar sweet corn hybrids by supplying increased amounts of N and S fertilizer to the crop to increase kernel DMS and sugar content. A factorial combination of two N (168, 310 kg/ha) and three S rates (0, 34, 101 kg/ha) was applied to six sh-2 sweet corn hybrids in a Plainfield sand. Kernel DMS and sugar levels were assayed over a period ranging from 20 to 29 days after pollination. In each case, kernel DMS and sugars decreased with increasing harvest maturity. In three hybrids, there was a positive response in kernel DMS to either N or both N-S. Kernel fructose and glucose concentrations tended to decrease as N fertilization rate increased, while sucrose levels remained relatively constant. In all hybrids, S fertilization had no effect on kernel sugars. The results indicated that it may be possible to increase kernel DMS potential in some genotypes by increased N fertilization, and to a lesser degree, from S application.