Abscisic Acid

n. (Biochemistry) plant hormone that promotes leaf detachment and dormancy and represses germination

Abscisic Acid (ABA), also known as abscisin II and dormin, is a plant hormone. It functions in many plant developmental processes, including abscission and bud dormancy. ABA-mediated signalling plays also an important part in plant responses to environmental stress and plant pathogens. The plant genes for ABA biosynthesis and sequence of the pathway have been elucidated. ABA is also produced by some plant pathogenic fungi via a biosynthetic route different from ABA biosynthesis in plants.
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ACIDO ABSCISSICO

B: (Kimia) asam absisat
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