{"title":"Growth Gains from Moving Black Walnut Provenances Northward","authors":"Calvin F. Bey","doi":"10.1093/jof/78.10.640","DOIUrl":null,"url":null,"abstract":"In 1967, black walnut (Juglans nigra L.) seedlings from 15 to 25 provenances were planted at eight locations in the Midwest. In 1973, a similar plantation was established near Yoncalla, Oregon. Results show that, within the species' natural range, provenances can be moved as much as 200 miles northward without the likelihood of cold damage. In general, growth of trees from southern sources exceeds that of trees from northern sources.","PeriodicalId":15821,"journal":{"name":"Journal of Forestry","volume":"7 1","pages":""},"PeriodicalIF":1.8000,"publicationDate":"2024-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Forestry","FirstCategoryId":"97","ListUrlMain":"https://doi.org/10.1093/jof/78.10.640","RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"FORESTRY","Score":null,"Total":0}
引用次数: 0
Abstract
In 1967, black walnut (Juglans nigra L.) seedlings from 15 to 25 provenances were planted at eight locations in the Midwest. In 1973, a similar plantation was established near Yoncalla, Oregon. Results show that, within the species' natural range, provenances can be moved as much as 200 miles northward without the likelihood of cold damage. In general, growth of trees from southern sources exceeds that of trees from northern sources.
期刊介绍：
The Journal of Forestry is the most widely circulated scholarly forestry journal in the world. In print since 1902, the mission of the Journal of Forestry is to advance the profession of forestry by keeping forest management professionals informed about significant developments and ideas in the many facets of forestry. The Journal is published bimonthly: January, March, May, July, September, and November.
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