Application Analysis of the Breeding and GraftingSeedling Technology of the New Variety of Black Walnut,Treehold Ricci
In recent years,China has vigorously developed the walnut industry,which has steadily,healthily,and rapidly developed.Based on the above background,this article combines the characteristics of American black walnuts to carry out the breeding and graft-ing of a new variety of black walnuts,Treemaker Ricci.In the study,black walnuts from the eastern United States were selected as ro-otstocks,and scions were collected from the first generation of excellent tree grown Ricci plants.They were then grafted and propagated through bud or branch grafting.Through three consecutive years of observation and measurement,the botanical characteristics,biologi-cal characteristics,and adaptability were studied,and regional adaptability experiments and DUS tests were conducted.After research,it was found that through asexual propagation through branch grafting and bud grafting,the average survival rate of grafting on tree grown Ricci reached 91.95%,which is very ideal.The tree borne Ricci cultivated by the research institute has fewer pests and disea-ses,a fast growth rate,and strong adaptability.
Black walnutnew varietiesbreedinggrafting seedling cultivation technologytree born Ricky
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