Sweet corn: Observations on supersweet cultivars for processing and fresh-market use in New Zealand

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Abstract
Seven cultivars of supersweet corn (Zea mays L.) were tested in Hawke's Bay, New Zealand. The cultivar ‘Temptation’, a shrunken-2 mutant had a kernel yield of 14.6 and 15.1 t/ha in the two seasons of observation and appeared to be the most suitable for both fresh market and processing. ‘Sugar Loaf’, a synergistic type, performed better than the shrunken-2 mutants in drying tests, but was not preferred in taste panel assessment. Some early maturing cultivars had a low plant height and may be unsuitable for processing because of a lack of suitable machine harvesters at present. Based on cob appearance, shelf-life of fresh cobs of ‘Temptation’ was eight days, but soluble solids content declined rapidly during this period.