Search Constraints
You searched for:
Creator Personal Names
Purvis, Matthew Robert, 1929-
Remove constraint Creator Personal Names: Purvis, Matthew Robert, 1929-
Subject Topical
Beans--Diseases and pests.
Remove constraint Subject Topical: Beans--Diseases and pests.
Subject Topical
Fire-blight.
Remove constraint Subject Topical: Fire-blight.
Subject Topical
Plant exudates.
Remove constraint Subject Topical: Plant exudates.
1 entry found