Onset and duration of stigma receptivity in Kunzea pomifera (Myrtaceae)

Tony Page; G M Moore; J Will; G M Halloran

doi:10.1071/BT05122

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Onset and duration of stigma receptivity in Kunzea pomifera (Myrtaceae)

Journal article

Peer reviewed

Onset and duration of stigma receptivity in Kunzea pomifera (Myrtaceae)

Tony Page, G M Moore, J Will and G M Halloran

Australian Journal of Botany, Vol.54(6), pp.559-563

2006

DOI: https://doi.org/10.1071/BT05122

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Abstract

dicotyledon

enzyme activity

greenhouse ecosystem

pollination

reproductive biology

seed set

The onset and duration of stigma receptivity in K. pomifera was evaluated by observing stigma peroxidase activity, pollen-tube growth and seed set, following controlled pollination of flowers of different ages. Peroxidase activity was negligible from 1 day before to 4 days after anthesis, increasing to a peak of 65% at Day 13. The percentage of pistils bearing germinated pollen and ovaries exhibiting pollen-tube entry increased when pollen was applied to the stigma from the day before anthesis, to a maximum at Days 6 and 7 after anthesis, respectively, followed by a decline by Day 9. Under greenhouse conditions the optimum pollination period, measured as the level of set seed after pollination, ranged from 2 to 11 days after anthesis. The knowledge of this aspect of the species reproductive biology is of considerable value in controlled pollinations for its improvement as a new crop. © CSIRO 2006.

Details

Title: Onset and duration of stigma receptivity in Kunzea pomifera (Myrtaceae)
Authors: Tony Page (Author) - University of Melbourne
G M Moore (Author) - University of Melbourne
J Will (Author) - University of Melbourne
G M Halloran (Author) - University of Melbourne
Publication details: Australian Journal of Botany, Vol.54(6), pp.559-563
Publisher: C S I R O Publishing
Date published: 2006
DOI: 10.1071/BT05122
ISSN: 0067-1924; 0067-1924
Organisation Unit: Australian Centre for Pacific Islands Research; Tropical Forests and People Research Centre; University of the Sunshine Coast, Queensland; Forest Industries Research Centre; Forest Research Institute
Language: English
Record Identifier: 99449573802621
Output Type: Journal article

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