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Local hormone production is root of issue for plant development

Plant roots rely on local production of a key hormone that controls many aspects of development and response to environmental changes, according to new research from North Carolina State University. The study sheds light on the importance of when and where the plant hormone auxin is produced and explores the interplay between auxin synthesis and transport that moves auxin throughout the plant. Specifically, the research shows that local auxin production is required to keep plants healthy. That is, roots will degenerate if auxin is not produced in the root or flowers will be sterile if auxin is not made at the right place and the right time in the flower, even though the hormone can be transported throughout the plant.

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