How to identify rhododendron and azalea problems /
How to identify rhododendron and azalea problems /
[by A.L. Antonelli ... et al.].
- Slightly rev. 1993.
- [Pullman, Wash.] : Cooperative Extension, Washington State University, [1993]
- 28 p. : col. ill. ; 28 cm.
- EB ; 1229. .
- Extension bulletin (Washington State University. Cooperative Extension Service) ; 1229. .
Cover title.
Rhododendrons--Diseases and pests.
Azaleas--Diseases and pests.
Cover title.
Rhododendrons--Diseases and pests.
Azaleas--Diseases and pests.