ISHS Acta Horticulturae 297: II International Symposium on Kiwifruit
IMPROVING KIWIFRUIT VINE PRODUCTIVITY WITH PLANT GROWTH REGULATORS |
| Authors: | R.F. Henzell, M.R. Briscoe, I. Gravett |
| Keywords: | hydrogen cyanamide, paclobutrazol, flowering, CPPU, fruit size |
| Abstract:
Hydrogen cyanamide applied in late July/early August to the same vines for five seasons increased export yields between 12.1 and 62.5% per season. Treated vines carried loads up to 170 kg and seasonal differences had a greater influence on subsequent flowering than previous crop load. CPPU applied as a single spray (5 μg/ml) to fruitlets at 2 weeks after fruit set increased mean fruit size by 20% at harvest. Soil applications of paclobutrazol at 3 g/vine increased fruit size by 7% in the season of treatment but had no subsequent effect. | |
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