Jim E. Wyatt and Emily W. Gatch

Eight su and ten sh₂-type sweet corn hybrids were grown in two separated plantings in 2003 at Ames Plantation. The hybrids were adapted primarily for processing. The two plantings were separated by time as well as distance to prevent cross-pollination between the two types. The su hybrids were planted April 10 and the sh₂ hybrids were planted May 10, 2003, in replicated plots. Production practices followed UT recommendations for sweet corn in Tennessee. Ears were harvested when kernel moisture was 72-80%.

Data for the highest yielding hybrids of each type are presented in Table 1. Time from planting to harvest ranged from 81 to 86 days for su hybrids and from 74 to 79 days for sh₂ hybrids. ‘Excalibur’ and ‘Max’ had the highest yield of cut corn of the su and sh₂ types, respectively.

Table 1. Selected sugary (su) and supersweet (sh₂) sweet corn hybrids, Ames Plantation, 2003.

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This research represents one season's data and does not constitute recommendations.  After sufficient data is collected over the appropriate number of seasons, final recommendations will be made through research and extension publications.