Effects of uniconazole-P on abscission and endogenous ABA, IAA, and GA-like substances levels of Satsuma mandarin fruitlet

Uniconazole-P, a gibberellin (GA) biosynthesis inhibitor, did not affect growth of mandarin fruitlets definitely but stimulated abscission markedly. Endogenous abscisic acid concentration in fruitlets treated with uniconazole-P was about 4-fold higher compared with the control. Endogenous indole-3-a...

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Bibliographic Details
Published in:Bioscience, biotechnology, and biochemistry biotechnology, and biochemistry, 1996, Vol.60 (5), p.901-902
Main Authors: Kojima, K. (kaj-kn), Goto, A, Nakashima, S
Format: Article
Language:English
Subjects:
ABA
abscisic acid
ABSCISION
ABSCISSION
ACIDO GIBERELICO
AIA
CAIDA PREMATURA DE FRUTOS
CHUTE DE FRUIT
citrus
FRUIT DROP
gibberellin
GIBBERELLINE
IAA
indole-3-acetic acid
SATSUMA
SATSUMAS
UNICONAZOL
UNICONAZOLE
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Summary:Uniconazole-P, a gibberellin (GA) biosynthesis inhibitor, did not affect growth of mandarin fruitlets definitely but stimulated abscission markedly. Endogenous abscisic acid concentration in fruitlets treated with uniconazole-P was about 4-fold higher compared with the control. Endogenous indole-3-acetic acid and total GAs levels also changed. The relationships between these change in endogenous hormone levels and fruit abscission were discussed
ISSN:0916-8451
1347-6947
DOI:10.1271/bbb.60.901