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ISHS Acta Horticulturae 1218: IX International Symposium on Kiwifruit

Evaluating the length of time that kiwifruit flowers can be successfully pollinated

Authors:   A.K. Brantley, J.D. Spiers, A.B. Thompson, J.A. Pitts, J.R. Kessler, A. Wright, E. Coneva
Keywords:   effective pollination period, fruit set, fruit weight, seed number
DOI:   10.17660/ActaHortic.2018.1218.18
Abstract:
The purpose of this research was to investigate the length of time that flowers of Actinidia chinensis ‘AU Golden Sunshine’ and Actinidia deliciosa ‘AU Fitzgerald’ can be successfully pollinated. This study consisted of isolating flowers 1 d prior to anthesis and hand-pollinating approximately 30 different flowers each day for 5-6 d following anthesis. Fruit set of ‘AU Golden Sunshine’ was similar for flowers pollinated up to 5 d following anthesis. Fruit set of ‘AU Fitzgerald’ was similar for flowers pollinated up to 5 d following anthesis, with reduced fruit set realized for flowers pollinated on day 6. Fruit weight and seed number of harvested fruit tended to decrease as flowers were pollinated later with respect to anthesis.

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