Warm-season crops like corn require hot temperatures for good germination and quick growth. For the majority of cultivars, the ideal soil temperature for germination is between 55 and 65 °F. The seed won’t germinate if the soil temperature is too low. The seed may decay if the soil is simultaneously too damp and the temps aren’t right for germination. In general, sweet corn cannot stand the cold, and frost will harm it at any stage of development. Other adverse weather factors, such as drought or flooding, might lower yields and result in undersized, malformed ears.
Some cultivars of corn won’t flower when the day is longer than 13 hours since maize is a plant that prefers short days. Commercially available sweet corn types in the Southeast very rarely have this issue, but a gardener should be aware of day length when growing heirloom or tropical corn varieties.
Corn is wind-pollinated, and for optimal pollination, it should be planted in blocks with at least four rows. Sweet corn and other varieties of corn can cross-pollinate. Sweet corn will produce starchy kernels if it is grown next to popcorn or field corn. The colors of the kernels will alter if wʜɪᴛe and yellow cultivars cross-pollinate. As a result of cross-pollination between super-sweet and regular sweet corn cultivars, the super-sweet kinds won’t be as sweet as they should be.
Sweet corn should be kept at least 300 yards apart from other varieties of corn (field corn, popcorn, and ornamental corn) to avoid cross-pollination issues. Supersweet varieties should be planted at least 300 feet away from non-supersweet varieties when planting only sweet corn. Alternatively, you can space out the planting dates of varieties with similar days to maturity by two weeks, or you can choose varieties with different days to maturity.
Let’s Watch Fascinating Process Of Picking Organic Sweet Corn With Oxbo 2475 Corn Picker in the video below:
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