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Insects, Nematodes & Pathogens
Table of Contents Pest Insects Page Aphids .......................................................................................... Psyllids .......................................................................................... Whiteflys ...................................................................................... Beet Leafhopper ............................................................................ True Bugs: Lygus Bugs .................................................................. True Bugs: Stink Bugs ................................................................... Potato Tuberworm ...................................................................... Caterpillars: Loopers ................................................................... Caterpillars: Armyworms & Cutworms ........................................ 1 Leaf-Stippling Pests: Spider Mites ................................................ 1 Leaf-Stippling Pests: Thrips .......................................................... 1 Wireworms ................................................................................. 1 Predacious Insects Ground Beetles ........................................................................... 1 Big-Eyed Bugs ............................................................................. Damsel Bugs ............................................................................... 2 Flower Flies (a.k.a. Syrphids) ........................................................ 2 Lacewings .................................................................................... 2 Nematodes Root-Knot Nematodes ................................................................. 2 Root-Lesion Nematodes .............................................................. 2 Stubby-Root Nematodes ............................................................. 2 Pathogens Purple Top .................................................................................... Tobacco Rattle Virus/Corky Ringspot ........................................... 2 Potato Virus Y (PVY) ..................................................................... Potato Leafroll Virus (PLRV) .......................................................... 3 Bacterial Diseases: Blackleg .......................................................... 3 Bacterial Diseases: Aerial Stem Rot.............................................. 3 Potato Late Blight......................................................................... 3 Rhizoctonia Canker and Black Scurf ............................................. 3
Table of Contents (continued) White Mold ................................................................................. Common Scab ............................................................................. 4 Powdery Scab ............................................................................. 4 Tuber Blemish Diseases: Black Dot ............................................. 4 Tuber Blemish Diseases: Silver Scurf ........................................... 4 Potato Pink Rot ........................................................................... 4 Pythium Leak .............................................................................. 4
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