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JXB Advance Access originally published online on March 25, 2009
Journal of Experimental Botany 2009 60(5):1523-1532; doi:10.1093/jxb/erp094
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© The Author [2009]. Published by Oxford University Press [on behalf of the Society for Experimental Biology]. All rights reserved. For Permissions, please e-mail: journals.permissions@oxfordjournals.org

This article appears in the following Journal of Experimental Botany issue: Special Issue: Perspectives on Plant Development [View the issue table of contents]

REVIEW-ARTICLE

The role of auxin and gibberellin in tomato fruit set

Maaike de Jong*, Celestina Mariani and Wim H. Vriezen {dagger}

Department of Plant Cell Biology, Institute for Water and Wetland Research, Radboud University Nijmegen, Heyendaalseweg 135, 6525AJ Nijmegen, The Netherlands

* To whom correspondence should be addressed: E-mail: Maaike.deJong{at}science.ru.nl

The initiation of tomato fruit growth, fruit set, is very sensitive to environmental conditions. Therefore, an understanding of the mechanisms that regulate this process can facilitate the production of this agriculturally valuable fruit crop. Over the years, it has been well established that tomato fruit set depends on successful pollination and fertilization, which trigger the fruit developmental programme through the activation of the auxin and gibberellin signalling pathways. However, the exact role of each of these two hormones is still poorly understood, probably because only few of the signalling components involved have been identified so far. Recent research on fruit set induced by hormone applications has led to new insights into hormone biosynthesis and signalling. The aim of this review is to consolidate the current knowledge on the role of auxin and gibberellin in tomato fruit set.

Key words: Auxin, fruit set, gibberellin, parthenocarpy, tomato

{dagger} Present address: Nunhems Netherlands BV, Voort 6, 6083AC Nunhem, The Netherlands.

Received 23 December 2008; Revised 2 March 2009 Accepted 4 March 2009


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