Blueberry Advisory Committee Research Report

The 1988 edition of the Blueberry Advisory Committee Research Reports was prepared for the Maine Wild Blueberry Commission and the University of Maine Wild Blueberry Advisory Committee by researchers with the Maine Agricultural Experiment Station and Maine Cooperative Extension Service at the University of Maine, Orono. Projects in this report include: 1. Monitoring methods, economic injury levels, and action thresholds for blueberry spanworm larvae in vegetative year fields. 2. Control of secondary blueberry pests 3. Control of blueberry maggot 4. Effect of pruning practices on blueberry insect abundance 5. Survey of Fungi Contaminating Lowbush Blueberries 6. Nutrition Survey 1988 7. Phosphorus Dose/Response Curve 8. Effect of Several Mulches on Frost Heaving, Soil Moisture, Soil Temperature and Rhizome Development 9. Influence of Mulch Sources on Clonal Spread-SCS Study, Deblois 10. Effect of Surface Mulches on Stabilizing Lowbush Blueberry Soil in Barren Areas 11. Nitrogen-Phosphorus Study 12. Changes in Sugar and Organic Acids of Blueberries During Development, Preprocess Lag Time and Storage 13. Characterization of Pectin in Blueberries 14. Effect of Hexazinone (VELPAR) on Species Distribution in Lowbush Blueberry Fields 15. Evaluation of Setyhoxydim (POAST) for Bunchgrass Control 16. Evaluation and modification of commercial wipers 17. Evaluation of Five Preemergence Herbicides for Control of Oatgrass and Bunchgrass 18. Effect of rate and formulation of hexazinone (VELPAR) on bunchberry 19. Bracken fern control alternatives 20. Hexazinone (VELPAR) and terbacil (SINBAR) combinations for weed control 21. Evaluation of hexazinone (VELPAR) with spot treatments of glyphosate (ROUNDUP) or sethoxydin (POAST) for bunchgrass control 22. Directed sprays of glyphosate (ROUNDUP) for bunchberry control. 23. Evaluation of Postemergence Applications of Chlorimuron for Bunchberry Control 24. Seedling Pruning Study 25. Blueberry Harvester Trials 26. Blueberry Extension Progra

Blueberry Research Progress Reports

The 1989 edition of the Blueberry Research Progress Reports was prepared for the Maine Wild Blueberry Commission and the University of Maine Wild Blueberry Advisory Committee by researchers with the Maine Agricultural Experiment Station and Maine Cooperative Extension Service at the University of Maine, Orono. Projects in this report include: 1. Control of Secondary Blueberry Pests 2. Monitory Methods, Economic Injury Levels, and Action Thresholds of Secondary Blueberry Pests 3. Control of Blueberry Maggot 4. Phosphorus Dose/Response Curve 5. Nitrogen-Phosphorus Study 6. Multiple Cropping of Wild Stands 7. Changes in Sugars and Organic Acids of Blueberries During Development 8. Investigation of Preprocess Changes That Could Lead to the Development of a Simple and Inexpensive Method to Measure Preprocess Berry Spoilage 9. Development of Simple and Less Expensive Methods to Analyze Pesticides Used on Maine and Canadian Blueberries 10. Evaluation and Modification of Commercial Wipers 11. Effect of Rate and Formulation of Hexazinone on Bunchberry 12. Bracken Fern Control Alternatives 13. Evaluation of Hexazinone with Spot Treatments of Glyphosate Sethoxydim or Fluazifop-P for Bunchgrass Control 14. Directed Sprays of Glyphosate for Bunchberry Control 15. Evaluation of Norflurazon with or without Hexazinone for Bunchgrass Control 16. Selective Wiper and Mechanical Control of Dogbane 17. Evaluation of Sulfonyl Urea Herbicides for Bunchberry Control 18. Seedling Pruning Study 19. Evaluation of Sethoxydim in Lowbush Blueberry Fields 20. Blueberry Extension Program 21. Pollination of the Low-bush Blueberry by Native Bees 22. Postharvest Fungi of Lowbush Blueberries 23. Effects of Pruning Methods on Mummy Berry Incidenc

Blueberry Advisory Committee Research Report

The 1987 edition of the Blueberry Advisory Committee Research Reports was prepared for the Maine Wild Blueberry Commission and the University of Maine Wild Blueberry Advisory Committee by researchers with the Maine Agricultural Experiment Station and Maine Cooperative Extension Service at the University of Maine, Orono. Projects in this report include: 1. Effect of Pruning Practices on Blueberry Insect Abundance 2. Economic Thresholds and Control of Secondary Blueberry Pests 3. Control of Blueberry Maggot 4. Evaluation of Fungicides for Control of Botrytis Blight on Lowbush Blueberry, 1987 5. Evaluation of Fungicides for Control of Mummy Berry on Lowbush Blueberry, 1987 6. Miscellaneous Activity: a) Fungicide Residue Analysis b) Blueberry fact sheet c) Berry contamination 7. Effects of Pruning Methods on Mummy Berry Disease Incidence, 1987 8. Effects of Pruning Methods on Powdery Mildew and Red Leaf Disease Incidence, 1987 9. Nutrition Survey 1987 10. Nutritional Responses of Seedlings 11. The Effect of Several Mulches on Frost Heaving, Soil Moisture, Soil Temperature and Rhizome Development 12. Time-temperature Effects on Sugar Migration and Physical Characterization in Lowbush Blueberries 13. Fabricated Blueberry Raisins Prepared from Puree using Alginate as the Gelling Agent 14. Blueberry Gelatin 15. Effect of Hexazinone (VELPAR) on Species Distribution in Lowbush Blueberry Fields 16. Evaluation of Postemergence Herbicides for Grass Control 17. Evaluation of Sulfonyl urea and Imidazoline compounds for Bunchberry Control 18. Use of Mechanical wiper with glyphosate (ROUNDUP) or dicamba for control of dogbane 19. Integrated Weed Management 20. Evaluation of Five Preemergence Herbicides for Control of Oat grass and Bunchgrass 21. Wiper Application of Dicamba for Woody Weed control 22. Hexazinone (VELPAR) and terbacil (SINBAR) combinations for weed control 23. Evaluation of Clopyralid and Lactofen for Bunchberry Control 24. Evaluation of Postemergence Applications of chlorimuron for Bunchberry Control 25. Hexazinone seedling study 26. Seedling Pruning Study 27. Effect of bracken fern on blueberry yield 28. Evaluation of two mechanical harvesters vs hand raking of lowbush blueberrie

1997 Wild Blueberry Progress Reports

The 1997 edition of the Wild Blueberry Progress Reports was prepared for the Wild Blueberry Commission of Maine and the Wild Blueberry Advisory Committee by researchers at the University of Maine, Orono. Projects in this report include: 1. Investigation of processing damage of IQF blueberries 2. Use of sorter rejects and wild blueberry puree to prevent warmed over flavor in processed beef patties 3. Factors affecting the quality of IQF wild blueberries 4. Determination of pesticide residue levels in fresh and processed wild blueberries 5. Pollination ecology of wild blueberries in Maine 6. Control tactics for wild blueberry pest insects 7. IPM Strategies 8. Pest Biology 9. Effect of antidessication treatments on wild blueberry cold temperature tolerance 10. Phosphorus/nitrogen fertilizer ratio 11. Effect of boron application methods on boron uptake in wild blueberries 12. Effect of foliar zinc application on growth and yield of wild blueberries 13. Effect of soil pH on nutrient uptake 14. Crop year fertilization of wild blueberry 15. Effect of Photomag® on growth and yield of wild blueberries 16. Evaluation of Pronone MG® spot treatments for control of St. Johnswort, dogbane, bracken fern, witch grass/fall panicum and bunchberry 17. Effect of hexazinone formulation on movement through the soil profile 18. Effect of time of fall pruning on wild blueberry fruit set and yield 19. Effect of pre and postemergence herbicide applications on control of grasses 20. Hexazinone groundwater survey 21. Effect of plant source and density on spread of wild blueberry 22. Effect of surfactant and ammonium sulfate on glyphosate activity 23. Effect of crop year application of hexazinone on weed control, yield and hexazinone residue. 24. Long term effects of tribenuron methyl on wild blueberries and weed species composition 25. Effect of Velpar® DF/MAP on wild blueberry fruit set and yield. 26. Effect of reduced volume lmidan® 2.5 EC UL V applications on wild blueberry residue and efficacy 27. Wild blueberry extension education progra

2002 Wild Blueberry Project Reports

The 2002 edition of the Wild Blueberry Project Reports was prepared for the Wild Blueberry Commission of Maine and the Wild Blueberry Advisory Committee by researchers at the University of Maine, Orono. Projects in this report include: 1. Factors Affecting Microbial and Pesticide Residue Levels on Wild Blueberries 2. Effect of Blueberry Products on Oxidation in Meat Based Food 3. Determination of Pesticide Residue Levels in Freshly Harvested and Processed Wild Blueberries 4. Detection of Infested Wild Blueberries using Near-Infrared Spectroscopy 5. Investigation Of The Mechanism By Which Blueberry Fractions Maintain Arterial Integrity 6. Antioxidant Assessment in the Elderly 7. Water Use of Wild Blueberries and the Impact of Plant Water Stress on Yield 8. Control Tactics for Wild blueberry Pest Insects 9. IPM Strategies 10. Pest Biology 11. Wild Blueberry Pollination Research 12. Survey and Determination of Effective Control of Stem Blight and Leaf Spot Diseases in Wild Blueberry Fields 13. Effect of Foliar-applied Iron Chelate Concentration on Leaf Iron Concentration, Wild Blueberry Growth and Yield 14. Effect of Boron Application Methods on Boron Uptake in Wild Blueberries 15. Effect of Foliar N spray on Leaf N Concentration, Growth and Yield of Wild Blueberries 16. Effect of Foliar Spray (4-13-15) on Leaf Nutrient Concentration, Growth and Yield of Wild Blueberries 17. Effect of Foliar Copper Application on Growth and Yield of Wild Blueberries 18. Effect of Foliar Copper and/or Iron Application on Growth and Yield of Wild Blueberries 19. Effect of Soil pH on Nutrient Uptake 20. Assessment of Hexazinone Alternatives for Weed Control in Wild Blueberries and Weed Control 21. Evaluation of Fall Applications of Sulfonylurea Herbicides for Bunchberry Control in Wild Blueberries 22. Evaluation and Demonstration of Techniques for Filling in Bare Spots in Wild Blueberry Fields 23. Blueberry Extension Education Program Base 24. 2002 Pesticide Groundwater Survey 25. Cultural Weed Management using sulfur to lower the p

2005 Wild Blueberry Project Reports

The 2005 edition of the Wild Blueberry Project Reports was prepared for the Wild Blueberry Commission of Maine and the Wild Blueberry Advisory Committee by researchers at the University of Maine, Orono. Projects in this report include: 1. Evaluation of Emerging Disinfections Technologies for Wild Blueberry Processing 1A. Incorporation of wild blueberry puree into a soy-based burger and its effect on sensory and chemical properties of the broiled burgers. 2. Incorporation of wild blueberry puree into a soy-based burger and its effect on sensory and chemical properties of the broiled burgers 3. Wild blueberries and Arterial Functional Properties 4. Practical Microbial Control Approach and Antimicrobial Properties Study for Wild Blueberries 5. Wild Blueberries Reduce Risks for Cardiovascular Disease –No Report at this time, data is still under analysis. 6. Irrigation Water Use in Wild Blueberry Production 7. Control Tactics for Blueberry Pest Insects, 2005 8. Integrated Pest Management (IPM) strategies, 2005 9. Control Tactics for Blueberry Pest Insects, 2005 10. The Effect of Fungicides and Cultural Treatments on Monilinia Blight, Yield and Post-Harvest Disease in Wild Blueberries 11. Effect of Soil pH on Nutrient Uptake 12. Effect of Manganese on Growth and Yield of Wild Blueberry 13. Raising Foliar Nitrogen by Application of CoRoN 14. Effects of Summer Foliar Fertilization to Increase Branch Length and Flower Bud Formation in the Prune Year 15. Assessment of Hexazinone Alternatives for Weed Control in Wild Blueberries and Field Cover Program Base 16. Evaluation of Fall Applications of Tribenuron Methyl for Bunchberry Control in Wild Blueberries 17. Evaluation of spot treatments of Tribenuron Methyl for weed control in Wild Blueberries 18. Evaluation and Demonstration of Techniques for Filling in Bare Spots in Wild Blueberry Fields 19. Assessment of Evitol and Kerb for Sedge Control in Wild Blueberrie

2003 Wild Blueberry Project Reports

The 2003 edition of the Wild Blueberry Project Reports was prepared for the Wild Blueberry Commission of Maine and the Wild Blueberry Advisory Committee by researchers at the University of Maine, Orono. Projects in this report include: 1. Factors Affecting the Microbial and Pesticide Residues Levels on Lowbush Blueberries 2. Effect of Blueberry Products on Oxidation in Ground Beef Patties 3. Infestation Detection using Near-Infrared Spectroscopy 4. Whole Wild Blueberries and Arterial Functional Properties 5. Irrigation Water use in Wild Blueberry Production 7. Control Tactics for Blueberry Pest Insects 8. IPM Strategies 9. Biology and Ecology of Blueberry Pest Insects, 2003 10. Wild Blueberry Pollination Research 11. Stem Blight/Dieback and Leaf Spot Diseases in Wild Blueberry Fields 12. Effect of Foliar N spray on Leaf N Concentration, Growth and Yield of Wild Blueberries 13. Effect of Foliar Spray (4-13-15) on Leaf Nutrient Concentration, Growth and Yield of Wild Blueberries 14. Effect of Foliar Copper Application on Growth and Yield of Wild Blueberries 15. Effect of Foliar Copper and/or Iron Application on Growth and Yield of Wild Blueberries 16. Effect of Soil pH on Nutrient Uptake. 17. Effect of Gibberellic Acid (GA3) and CPPU on Fruit Set and Yield of Wild Blueberry after low temperature flower stress 18. Effect of Fertilizer Timing (prune year vs. crop year) on Wild Blueberry Growth and Productivity. 19. Assessment of Hexazinone Alternatives for Weed Control in Wild Blueberries and Weed Control and Field Cover Program Base 20. Evaluation of Fall Applications of Sulfonylurea Herbicides for Bunchberry Control in Wild Blueberries 21. Assessment of clean-cut adapter on hand clippers for weed control in wild blueberries 22. Evaluation and Demonstration of Techniques for Filling in Bare Spots in Wild Blueberry Fields 23. Blueberry Extension Education Program in 2003 24. 2003 Pesticide Groundwater Survey 25. Cultural Weed Management using Sulfur to lower the p

1996 Wild Blueberry CSREES Progress Reports/1996 Wild Blueberry Tax Reports

The 1996 edition of the Wild Blueberry CSREES Progress Reports/Wild Blueberry Tax Reports was prepared for the Maine Wild Blueberry Commission and the University of Maine Wild Blueberry Advisory Committee by researchers at the University of Maine, Orono. Projects in this report include: Wild Blueberry CSREES Progress Reports: 1. Factors affecting the quality of Individually Quick Frozen (IQF) wild blueberries 2. Factors affecting the physical and chemical properties of IQF wild blueberries 3. Preventing the bleeding of blueberry fruit in bakery products 4. Amylase test development 5. Determination of pesticide residue levels in freshly harvested and processed wild blueberries 6. Sustainable pollination of wild blueberry 7. Potential for biological control of insect pests of wild blueberry 8. Effect of desiccation on wild blueberry winter survival and cold temperature tolerance 9. Population variation in low-temperature tolerance of wild blueberry 10. Influence of flower delaying sprays on seasonal variation of low temperature tolerance in wild blueberry 11. Effect of various levels of disbudding on yield of wild blueberry 12. Effect of boron and the polyamine putrescine on wild blueberry fruit set and yield 13. Effect of soil pH on nutrient uptake 14. Phosphorus uptake 15. Correcting boron deficiency 16. Hexazinone groundwater survey 17. Effect of time of fall pruning on growth and productivity of wild blueberries 18. Evaluation of Pronone® spot treatments for control of St. Johnswort, dogbane, bracken fern, witch grass/fall panicum and bunchberry 19. Effect of hexazinone formulation on movement through the soil profile 20. Effect of plant source and density on spread of wild blueberry Wild Blueberry Tax Reports: 21. Control of wild blueberry diseases 22. Control of wild blueberry pest insects 23. Biology and action thresholds of secondary blueberry pest insects 24. Phosphorus/nitrogen fertilizer ratio 25. Effect of surfactant and ammonium sulfate on glyphosate activity 26. Blueberry Extension Education Program Bas

Wild Blueberries 1999 CSREES Progress Reports

The 1999 edition of the Wild Blueberries CSREES Progress Reports was prepared for the Maine Blueberry Commission and the University of Maine Blueberry Advisory Committee by researchers at the University of Maine, Orono. Projects in this report include: 1. Effects of QF Processing on Microbiological Quality of Maine Wild Blueberries 2. Separation of Maggot-Infested Blueberries in the IQF Processing Line 3. Determination of Pesticide Residue Levels in Fresh and Processed Wild Blueberries 4. Control Tactics for Blueberry Pest Insects 5. IPM Strategies 6. Biology and Ecology of Blueberry Pest Insects 7. Survey of Stem Blight and Leaf Spot Diseases in Lowbush Blueberry Fields 8. Phosphorus/Nitrogen Fertilizer Ratio 9. Effect of Fertilizer Timing on Lowbush Blueberry Growth and Productivity 10. Effect of Soil pH on Nutrient Uptake 11. Effect of Boron Application Methods on Boron Uptake in Lowbush Blueberries 12. Effect of Nutri-Phite P+K on growth and yield of lowbush blueberry 13. Effect of Crop-Set on growth and yield of lowbush blueberry 14. Crop year fertilization of lowbush blueberry 15. Alternative Methods of Grass Control 16. Cultural Weed Management Using pH 17. Investigation of Hexazinone Alternatives for Weed Control 18. Comparison of Sulfosate and Glyphosate for Weed Control 19. Evaluation of VC1447 for Weed Control in Wild blueberries 20. Blueberry/ Cranberry Extension Education Program in 1999 21. Effect of Rate, Formulation and Application Method on Efficacy and Phytotoxicity of Granular Hexazinone in Wild Blueberry Fields 22. 1999 Fungicide Evaluation Field Trial 23. 1999 Hexazinone Groundwater Survey Pollination 24. Sustainable Pollination of Wild Blueberr

2004 Wild Blueberry Project Progress Reports

The 2004 edition of the Wild Blueberry Project Progress Reports was prepared for the Wild Blueberry Commission of Maine and the Wild Blueberry Advisory Committee by researchers at the University of Maine, Orono. Projects in this report include: 1. Determination of Pesticide Residue Levels in Freshly Harvested and Processed Lowbush Blueberries 2. Effect of Wild Blueberry Products on Physical, Chemical, Microbiological and Sensory Quality of Soy-Based and Ground Beef Patties 3. Evaluation of Emerging Disinfection Technologies for Wild Blueberry Processing 4. Detection of Infested Blueberries using Near-Infrared Spectroscopy-Spectra Collection 5. Health Claims for Wild Blueberries 6. Wild blueberries and Arterial Functional Properties 7. Irrigation Water Use in Wild Blueberry Production 8. Insect Control Tactics for Blueberry Pest Insects & Program Base 9. Integrated Pest Management (IPM) Strategies 10. Biology and Ecology of Blueberry Insect Pests 11. Stem Blight/Dieback and Leaf Spot Diseases in Lowbush Blueberry Fields 12. . Evaluation of fungicide control of mummy berry blight in wild blueberries: a) ground application and b) aerial application 13. Effect of Foliar Copper Application on Growth and Yield of Wild Blueberries 14. Effect of Soil pH on Nutrient Uptake 15. Effect of Fertilizer Timing (prune year vs. crop year) on Wild Blueberry Growth and Productivity 16. Raising Foliar Nitrogen by Application of CoRoN 17. Effect of Manganese on Growth and Yield of Wild Blueberry 18. Assessment of Hexazinone Alternatives for Weed Control in Wild Blueberries and Field Cover Program Base 19. Evaluation of Fall Applications of Sulfonylurea Herbicides for Bunchberry Control in Wild Blueberries 20. Evaluation and Demonstration of Techniques for Filling in Bare Spots in Wild Blueberry Fields 21. Assessment of Evitol for Sedge Control in Wild Blueberries 22. Cultural Weed Management Using pH 23. 2004 Pesticide Groundwater Survey 24. Wild Blueberry Extension Education Program in 200