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PDA Regulatory Horticulture
PDA Regulatory HorticultureSemi-annual publication from PA Department of Ag. For recent issues see their web site.
- USDA's Role in Combating Pests of American Agriculture - Vol.28, 2002
- Nuculaspsis pseudomeyeri (Kuwana), a Scale Insect of Evergreen Conifers - Vol.28, 2002
- Additions to the PA Noxious Weed Control List - Vol.26, 2000
- Weed Control in the Nursery - Vol.26, 2000
- Invasive Species - Vol.25, 1999
- Pests We Can Live With? - Vol.25, 1999
- Bark Beetles and This Years Drought - Vol.25, 1999
- Multiflora Rose, Rose Rosette Disease and Phyllocoptes fructiphilus - Vol.26, 2000
- Is Winter Mortality Wishful Thinking? - Vol.25, 1999
- Identifying Plant and Pest Problems Using Computer and Internet Resources - Vol.25, 1999
- Which Agency Can Help? - Vol.25, 1999
- Diseases Caused by Phytoplasmas - Vol.25, 1999
- Beneficial Insects Video Available - Vol.24, 1998
- Weed Control - A Necessary Evil or a Blessing in Disguise? - Vol.24, 1998
- Genetic Engineering - Out of the Laboratory and into the Nursery - Vol.24, 1998
- Wax Scales, Ceroplastes spp. - Vol.24, 1998
- Zimmerman Pine Moth, Dioryctria zimmermani - Vol.24, 1998