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- Title
Analysis of the effect of each plant hormone on the maturation of woodland strawberry fruit in auxin-induced parthenocarpic fruit.
- Authors
Hayato Umemura; Masatoshi Nakajima; Hikari Ishii; Takeshi Kurokura; Tadao Asami; Yukihisa Shimada; Ayako Nakamura
- Abstract
Evaluation of individual roles of plant hormones in fruit development is difficult because various plant hormones function simultaneously. In this study, to analyze the effect of plant hormones on fruit maturation one by one, plant hormones were applied to auxin-induced parthenocarpic woodland strawberry (Fragaria vesca) fruits. As a result, auxin, gibberellin (GA), and jasmonate, but, not abscisic acid and ethylene increased the proportion of ultimately mature fruits. So far, to produce comparable fruit with pollinated fruit in size, auxin with GA treatment was required in woodland strawberry. Picrolam (Pic), the most potent auxin in inducing parthenocarpic fruit, induced fruit which is comparable in size with pollinated fruit without GA. The endogenous GA level and the result of the RNA interference analysis of the main GA biosynthetic gene suggest that a basal level of endogenous GA is essential for fruit development. The effect of other plant hormones was also discussed.
- Subjects
PLANT hormones; FRUIT development; RNA interference; FRUIT; STRAWBERRIES; ABSCISIC acid; FORESTS &; forestry
- Publication
Bioscience, Biotechnology & Biochemistry, 2023, Vol 87, Issue 6, p592
- ISSN
0916-8451
- Publication type
Article
- DOI
10.1093/bbb/zbad029