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Comparison of two 6-benzyladenine formulations and carbaryl for post-bloom thinning of apples
Citation
Bound, SA, Comparison of two 6-benzyladenine formulations and carbaryl for post-bloom thinning of apples, Scientia Horticulturae, 111, (1) pp. 30-37. ISSN 0304-4238 (2006) [Refereed Article]
Copyright Statement
Copyright 2006 Elsevier
DOI: doi:10.1016/j.scienta.2006.07.028
Abstract
Three trials assessed the effects of two 6-benzyladenine (BA) formulations, CyLex® and Accel®, and carbaryl/thiram (C/T) combination sprays as secondary or post-bloom thinners of 'Fuji', 'Delicious' and 'Golden Delicious' apples. Ethephon was applied as a primary thinner at full bloom (FB) on 'Fuji' and 'Delicious', while NAA was used on 'Golden Delicious'. CyLex and Accel were applied at different rates at 20 days after full bloom (dAFB) while C/T was applied as a tank mix either once, twice or three times at seven day intervals from 18 dAFB on 'Fuji'. The 'Delicious' and 'Golden Delicious' were treated with either Accel or C/T. In 'Fuji', all CyLex treatments achieved target crop load levels and resulted in increased fruit weights, but neither Accel nor C/T achieved thinning or fruit weight targets. In 'Delicious' Accel showed no thinning effect, while C/T thinned slightly. Accel had no thinning effect on 'Golden Delicious'. Accel caused development of pygmy fruit in both 'Fuji' and 'Delicious'. All C/T, CyLex and Accel treatments increased fruit soluble solids in 'Fuji', while the CyLex and Accel treatments also increased fruit firmness over ethephon alone. Although not achieving target levels of thinning, C/T was more effective than Accel, however neither Accel or C/T improved fruit size. It is concluded that Accel is an ineffective thinner of 'Fuji', 'Delicious' and 'Golden Delicious', while CyLex is an effective and consistent thinner of the difficult to thin cultivar 'Fuji'. © 2006 Elsevier B.V. All rights reserved.
Item Details
| Item Type: | Refereed Article |
|---|---|
| Research Division: | Agricultural and Veterinary Sciences |
| Research Group: | Horticultural Production |
| Research Field: | Horticultural Crop Growth and Development |
| Objective Division: | Plant Production and Plant Primary Products |
| Objective Group: | Horticultural Crops |
| Objective Field: | Pome Fruit, Pip Fruit |
| UTAS Author: | Bound, SA (Dr Sally Bound) |
| ID Code: | 39529 |
| Year Published: | 2006 |
| Web of Science® Times Cited: | 10 |
| Deposited By: | Agricultural Science |
| Deposited On: | 2007-06-25 |
| Last Modified: | 2014-05-27 |
| Downloads: | 0 |
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