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- Author or Editor: Jose C. Hapitan Jr. x
Vegetative and Reproductive Responses of Highbush Blueberry to Succinic Acid 2, 2-Dimethyl hydrazide (Alar)
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Abstract
One spray application of 5000 ppm succinic acid 2, 2-dimethyl hydrazide (Alar) on July 18 or August 22, or 2 spray applications, one on July 18 and another on August 22, significantly retarded new shoot elongation of ‘Collins’ and ‘Bluecrop’ highbush blueberries. The number of flower buds per unit length of new growth was increased. Blossom opening and ripening of the berries was delayed, but fruit size was not appreciably affected. All responses of the 2 cultivars to treatments were more pronounced when they received the 2 spray applications.