Utah Science Vol. 51 No. 2, Summer 1990

55 IPM Contribute Solution a Agriculture Approaches an Impasse on Pesticides 60 Rangeland Herbicide Doesn’t Appear to Move Far 61 Turning Insect Against Weeds 62 Monitoring a Biological Nemesis of Grasshoppers 64 IPM Results Convince Fruit Growers 66 Arrival of Africanized Bees will be Unwelcome but not a Catastrophe 69 Targeting Herbicides to Control Brush A Rust to Stop a Weed 70 Orchard Ground Covers that Favor Beneficial Mites and Insects 71 Research in Brief 75 Forecasting Fire Blight 76 Field Test Monitors Changes in Insecticide Resistance 78 Translating a Plant Self-Defense Vocabulary 80 Nematodes: Suppressed but ever Vanquished 82 Farmer Should Benefit a Immigrant Ladybeetle Join Native Species 84 Seed Coat Protein May Improve Disease Resistance 85 Model Track Chemical Movement through Soils 86 Doing What Comes Naturally: IPM Take Root in Forestry 88 The Chemical Change that Transform a Bacteria fromFriend to Foe 90 For the Utah Apple Maggot a Name Change Might be in Order 92 Good Guy or Bad Guys? Plant/Microbe Recognitio