Growth and flower quality of four Rosa hybrida L. cultivars in response to propagation by stenting or cutting in soilless culture
2009
Nazari, Farzad | Khosh-Khui, Morteza | Salehi, Hassan
Performance of four Rosa hybrida L. cultivars ('African Dawn', 'Ilios', 'Maroussia' and 'Soprano') was evaluated. They were grown either on their own roots or grafted (stenting) onto Rosa canina L. 'Inermis' rootstock in a polyethylene greenhouse with hydroponics system. Parameters of plant growth and flower quality were investigated for two successive harvesting years (2005 and 2006). Results indicated that, all the cultivars were superior for most of the parameters studied when grafted onto rootstock compared to being on their own roots. Flowering stem fresh weight and diameters, flower fresh and dry weight, flower diameter and length, petal number, leaf chlorophyll content and quality index were higher in grafted plants compared to those propagated by cuttings. However, highest flowering stem length and number were observed in plants propagated by cutting, although not significant as compared with stenting method.
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