Abstract
Sweet corn (Zea mays L. var. saccharata) attracts people with its amazing flavour. Adverse environmental factors decrease plant's cob yield and quality. A more effective production can be made by using resistant varieties and adjusting the sowing and plating periods. In this study, the effect of direct seed sowing and cultivating with seedlings in three different times (5, 15 and 25 May) on the sweet corn's cob yield and certain quality features have been investigated. In the research hybrid sweet corn varieties; 2201, Challenger, Merit, Sunshine and Yellow Baby were used. Ear weight, ear yield, ear length, ear diameter, sequence in ear, kernel numbers in the sequence, dry weight, TSS, chroma and hue values have been identified in the study. The values obtained from cultivation with seedling have been found higher in all of the parameters except for TSS. With the progress of cultivation period while TSS and hue values in kernels have increased (9.72 to 20.94) chroma values have decreased. Husked ear weight values have changed between 184.69 to 224.11 g in varieties. The highest ear yield (3594.33 kg da-1) has been obtained from Merit by seedling planting cultivation on 15 May.
Highlights
Fresh sweet corn (Zea mays L. var. saccharata) has been consumed widely by boiling or by grilling since past times
It has been observed that different seed sowing times and seedling cultivation are effective on the yield and some quality parameters of sweet corn
In the study that was conducted by using five sweet corn varieties, seeds were sown and seedlings were planted on 5 May, 15 May and 25 May
Summary
Fresh sweet corn (Zea mays L. var. saccharata) has been consumed widely by boiling or by grilling since past times. Sweet corn differs from other corns (field maize, popcorn and ornamental) because the kernels have high sugar content in the milk on early dough stage. It is consumed in the immature stage of the crop. Sweet corn contains moderate levels of protein, vitamin A (yellow varieties), and potassium (Najeeb et al, 2011; Walker, 2013). It can be consumed as fresh, frozen or conserved and used as garniture in the salads. In the last year’s consumption of sweet corn as boiled ear increases in coastal regions rapidly
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