Survival and Growth of Black Walnut Families After 7 Years in West Virginia PDF Download

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Survival and Growth of Black Walnut Families After 7 Years in West Virginia

Author: G. W. Wendel
Publisher:
ISBN:
Category : Clear-cutting
Languages : en
Pages : 12

Book Description
S2Average survival, 7-year stem diameter, and stem diameter growth differed significantly among 34 black walnut families planted in West Virginia. Average total height, height growth, and diameter at breast height were not significantly different among families. Families were from seed collected in West Virginia, Pennsylvania, North Carolina, and Tennessee. The 7-year results indicated that although survival was significantly different among families, differences in height growth were not well enough defined to recommend sources for planting.S3.

Survival and Growth of Black Walnut Families After 7 Years in West Virginia

Author: G. W. Wendel
Publisher:
ISBN:
Category : Clear-cutting
Languages : en
Pages : 12

Survival, Growth, and Target Canker Infection of Black Walnut Families 15 Years After Establishment in West Virginia

Author: Thomas M. Schuler
Publisher:
ISBN:
Category : Canker (Plant disease)
Languages : en
Pages : 12

Book Description
S2The survival, growth, and rate of target canker infection of 34 black walnut (Juglans nigra L.) families were evaluated 15 years after establishment in north-central West Virginia. The progenies originated at locations in Pennsylvania, West Virginia, Tennessee, and North Carolina. There were significant differences between families in survival, incidence of target canker infection, total height, and diameter at breast height. The North Carolina and Tennessee sources were less suitable for the growing conditions of the test site; local and slightly more northern sources seem more suitable. Near the northern extremity of the range of black walnut, maintaining a viable native population of this species and using local seed sources in artificial regeneration activities are recommended. S3.

Survival and Growth of White Ash Families and Provenances 15 Years After Establishment in West Virginia

Author: Thomas M. Schuler
Publisher:
ISBN:
Category : Plants, Cultivated
Languages : en
Pages : 12

Book Description
The survival, growth, and stem form of 45 white ash (Fraxinus americana L.) families nested within 22 provenances were evaluated 1 5 years after establishment in North Central West Virginia. Geographic family origins encompassed a wide area in the eastern and central United States, including locations from Maine in the North to Mississippi in the South to Nebraska in the West. Significant differences were identified among provenances for survival, stem form, total height, and stem diameter and among families within provenances for stem form and total height. Latitude was a significant indicator of provenance performance with performance declining north and south of the plantation latitude. Performance gains may be realized by using proper provenances then identifying superior families within these provenances for white ash artificial regeneration activities.