Influence of spraying ethephone on the flowering of non-branching type chrysanthemum (Chrysanthemum morifolium Ramat.) cultivars
2007
Sakamoto, H.(Fukui-ken. Horticultural Experiment Station, Mihama (Japan)) | Tsuchiya, T.
We investigated the effects of spraying ethephone on the flowering and cut flower quality of non-branching type chrysanthemum (Chrysanthemum morifolium Ramat.) cultivars with different flowering characteristics. In almost all June-August flowering cultivars tested, spraying with ethephone delayed flowering and increased cut flower length and the number of leaves. The longer the period between pinching and ethephone treatment, the more prominent these ethephone effects became. Eight of 10 September-October flowering cultivars that were treated with ethephone two weeks after pinching flowered late without an increase in the lateral bud number, although the delay in flowering was limited comparing with June-August flowering cultivars.
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