TAILIEUCHUNG - Báo cáo khoa học: "Grafting of oaks with variegated"

Tuyển tập các báo cáo nghiên cứu về lâm nghiệp được đăng trên tạp chí lâm nghiệp quốc tế đề tài: Grafting of oaks with variegated. | Ann Sci For 1993 50 Suppl 1 351S-355S Elsevier INRA 351s Original article Grafting of oaks with variegated leaves z Borzan Faculty of Forestry Department of Forest Genetics and Dendrology 41001 Zagreb PO Box 178 Croatia Summary Among 1-year Quercus robur L seedlings several plants were selected differing from others in the population by their variegated leaves. Such plants could be useful in arboriculture if we could fix the appearance of variegated leaves and solve the problems of vegetative propagation. This paper discusses the cytoplasmic inheritance of oak leaf variegation and describes the methods of grafting. Grafting and callusing of grafts in a mixture of sawdust and moss enables the production of an average of 32 firmly joined grafts at the end of the first growing season. Quercus robur L leaf variegation I vegetative propagation Resume Greffage de chênes aux feuilles bigarrées. Plusieurs plants d un an de Quercus robur L présentant des feuilles bigarrées ont été sélectionnés. Ces plants pourraient être utilises en horticulture si les problèmes de fixation du caractère bigarré et de multiplication vegetative sont résolus. Cet article discute de 1 hérédité cytoplasmique du caractère bigarré et présente une méthode de greffage. Le greffage et la cicatrisation de la greffe dans un melange de sciure et de mousse per-mettent d obtenir 32 de greffes fermement adhérentes aux porte-greffes à la fin de la premiere sai-son de vegetation. Quercus robur L feuilles bigarrées multiplication vegetative INTRODUCTION Among the numerous pedunculate oak seedlings in our nurseries individual specimens with differently variegated leaves are noticeable. We have selected 50 genotypes since 1987 with the aims of monitoring foliar changes throughout the season and propagating the best variants by the device grafting method used by Borzan and Littvay 1989 . In addition to our own selected oaks we have collected variegated samples from the Kilmacurragh Institute in Ireland. This .

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