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A corn cob is shucked early to show the silks early in the flowering stage. Each kernel produces one long silk that must be pollinated.
Both the number and weight of corn kernels is greatly reduced after researchers had reduced the amount of water each plant received during a two-week flowering period in a field. In the most extreme test the plants received just 20 percent of the amount of water they needed.
Corn cob size decreases with increased drought stress, a sign of severe stress and less yield.
Climate change isn’t just making the world warmer. It’s also changing when and how much rain falls. That leaves more corn farmers at risk of facing drought during part of the growing season. Not all droughts are created equal. If one strikes at the wrong time, an entire field can be lost.
Eric Hamilton wrote the article as a freelancer for the Science Societies.
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Both the number and weight of corn kernels is greatly reduced after researchers had reduced the amount of water each plant received during a two-week flowering period in a field. In the most extreme test the plants received just 20 percent of the amount of water they needed.
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