Anatomical aspects of grape berry development

Authors

  • J. M. Harris CSIRO Division of Horticultural Research, Meroein, Victoria
  • P. E. Kriedemann CSIRO Division of Horticultural Research, Meroein, Victoria
  • J. V. Possingham CSIRO Division of Horticultural Research, Meroein, Victoria

DOI:

https://doi.org/10.5073/vitis.1968.7.106-119

Abstract

The anatomical development of the sultana-grape berry has been followed from anthesis to maturity on material grown under glasshouse and field conditions including field-grown clonal lines differing in final fruit size. Fresh weight, volume, berry dimensions, moisture content and dry weight were measured on whole berries. Pericarp growth was studied at the cell level. Pericarp growth is basically responsible for the overall growth of the berry and this tissue represents 64% of the mature fruit's total volume.
The period required for complete berry development (approximately 100 days) falls into two major growth periods separated by a lag phase. Before the lag phase pericarp growth results partly from cell division but mainly from cell enlargement. After the lag phase pericarp growth results entirely from cell enlargement. Cell division in the pericarp ceases about one week before the lag phase.
Berry size differences between clonal lines were primarily due to differences in the size of pericarp cells. Berry size differences between fruits grown in the glasshouse and in the field at Merbein were due to differences in both pericarp cell number and cell size.

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Published

2017-02-17

Issue

Vol. 7 No. 2 (1968): Vitis

Section

Article

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