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

Page, T., Moore, G.M., Will, J., and Haloran, G.M. (2006) Onset and duration of stigma receptivity in Kunzea pomifera (Myrtaceae). Australian Journal of Botany, 54 (6). pp. 559-563.

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The onset and duration of stigma receptivity in K. pomiferawas 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.

Item ID: 29023
Item Type: Article (Research - C1)
ISSN: 1444-9862
Date Deposited: 27 Aug 2013 04:41
FoR Codes: 07 AGRICULTURAL AND VETERINARY SCIENCES > 0706 Horticultural Production > 070602 Horticultural Crop Improvement (Selection and Breeding) @ 100%
SEO Codes: 82 PLANT PRODUCTION AND PLANT PRIMARY PRODUCTS > 8202 Horticultural Crops > 820299 Horticultural Crops not elsewhere classified @ 100%
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