What question did this study set out to answer?

To review the reproductive anatomy of grapevines, establish a standardized staging code for floral development, and synthesize evidence on the environmental and hormonal factors that control flowering.

January 1, 1981American Journal of Enology and ViticultureOpen Access

Physiology of Flowering in the Grapevine — a Review

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Authors

CSC. SrinivasanSri Ramachandra Institute of Higher Education and Research MMMichael G. MullinsThe University of Sydney

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Implication

Literature review reveals a multistep developmental framework and hormonal balance model for flowering in grapevines, highlighting the contrasting roles of gibberellin and cytokinin.

Key Points

To review the reproductive anatomy of grapevines, establish a standardized staging code for floral development, and synthesize evidence on the environmental and hormonal factors that control flowering.
Synthesized findings from scanning electron microscopy on vegetative and reproductive anatomy in Vitis.
Categorized floral development into an 11-stage numerical framework across three distinct morphological phases.
Reviewed experimental literature concerning apex biochemistry, environmental influences (light, temperature, photoperiod, water, nutrition), and phytohormone actions.
Grapevine flowering progresses through three main steps: uncommitted primordia (Anlagen) formation (Stages 0–1), inflorescence primordia differentiation (Stages 2–7), and flower differentiation (Stages 8–11).
Fate determination of Anlagen into inflorescences, tendrils, or shoots is regulated by a gibberellin-to-cytokinin balance, where gibberellin directs Anlage axis formation and cytokinin drives subsequent floral differentiation.

Cite This Study

Srinivasan et al. (1981) studied this question.

synapsesocial.com/papers/69d7fd1433ca018b39ae30e3 https://doi.org/10.5344/ajev.1981.32.1.47

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Implication

Literature review reveals a multistep developmental framework and hormonal balance model for flowering in grapevines, highlighting the contrasting roles of gibberellin and cytokinin.

Physiology of Flowering in the Grapevine — a Review

Discussion

Member takes

Implication

Key Points

Cite This Study

Physiology of Flowering in the Grapevine — a Review

Discussion

Member takes

Implication

Key Points

Cite This Study

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