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1. Black-walnut canker caused by a Nectria.

Creator Personal:
Ashcroft, J. M. (Joseph Myers), 1900-
Title:
Black-walnut canker caused by a Nectria.
Call Number:
P12114
Date:
1932
Description:

Journal article reprint from: Phytopathology, v.22:no.3 (1932:Mar.).

Subject Topical:
Black walnut--Diseases and pests--West Virginia., Canker (Plant disease)--West Virginia.
All:
Black walnut--Diseases and pests--West Virginia., Canker (Plant disease)--West Virginia.

2. Black-walnut canker caused by a Nectria.

Creator Personal:
Ashcroft, J. M. (Joseph Myers), 1900-
Title:
Black-walnut canker caused by a Nectria.
Call Number:
P17168
Date:
1932
Description:
Journal article reprint from: Phytopathology, v.22:no.3 (1932:Mar.)
Subject Topical:
Walnut--Diseases and pests., Nectria., Canker (Plant disease)
All:
Walnut--Diseases and pests., Nectria., Canker (Plant disease)