research article
Blackline in walnuts: Delayed failure of unions killing many walnut trees in central coastal counties
authors
E. F. Serr, University of California, Davis.
publication information
California Agriculture 13(3):8-9. DOI: 10.3733/ca.v013n03p8.
abstract
Abstract Not Available – First paragraph follows:
Killing of a narrow strip of cambium and bark at the union of the Persian– Juglans regia–or English, walnut tree top and its rootstock is causing increasing losses of individual trees–even abandonment of entire mature orchards –in the walnut producing areas adjacent to San Francisco Bay.
author affiliations
E. F. Serr is Pomologist, University of California, Davis.
author notes
The above progress report is based on Research Project No. 1385.
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