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Proceedings of the International Plant Propagator's Society

Vol. 18


Raymond F. Hasek

pp: 133-135

Much has been written about scion-rootstock relationships in commercial rose plant production. However, many instances of peculiar growth patterns or responses occurring in greenhouse cut flower plantings have been often talked about in the trade yet seldom mentioned in print. Entirely different growth requirements exist between outdoor roses grown for the home garden and greenhouse plants grown for cut flower production. Outdoor rose understocks should have such characteristics as drought resistance, cold resistance, exhibit good dormancy during the winter to prevent scion or understock growth and finally be easy to bud. In the greenhouse the rootstocks are pampered since they are usually subjected to very little drought or cold stress. Production of cut flowers goes on all year round; therefore, optimum growing conditions are maintained to assure continued growth and activity of the understock during the winter as well as the summer months.

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