Agronomy Guide

• Crop and Soil Management
• Pest Management
  • Section 1: Pest Management
  • Section 2: Corn Pest Management
  • Section 3: Sorghum Pest Management
  • Section 4: Soybean Pest Managment
  • Section 5: Small Grains Pest Management
  • Section 6: Forages Pest Management
  • Tables
    • Table 2.1-1. Comparison between activities of an ideal IPM program and a routine spray program.
    • Table 2.1-2. Key times for corn insect activity.
    • Table 2.1-3. Key times for alfalfa insect activity.
    • Table 2.1-4. Key times for soybean insect activity.
    • Table 2.1-5. Key small-grain insects.
    • Table 2.1-6. Field characteristics that increase the likelihood of certain pests in corn.
    • Table 2.1-7. Yield reduction from various weed species in corn and soybeans.
    • Table 2.1-8. Some herbicide classes, products, and resistant weeds identified in the United States.
    • Table 2.1-9. Important herbicide groups for corn, soybean, small grain, forages, and some vegetable crops
    • Table 2.1-10. Common premix herbicides for agronomic crops in Pennsylvania
    • Table 2.2-1. Corn herbicides and their restrictions
    • Table 2.2-1a. Selected glyphosate products and premixes for agronomic use
    • Table 2.2-1b. Selected generic alternative herbicides for agronomic uses
    • Table 2.2-2. Future products for corn
    • Table 2.2-3. Corn herbicide prepackaged mixes or co-packs, and equivalents
    • Table 2.2-4. Characteristics of preemergence herbicides
    • Table 2.2-5. Characteristics of "burndown" and postemergence corn herbicides
    • Table 2.2-6. Relative effectiveness of "burndown" treatments for no-till corn
    • Table 2.2-7. Characteristics of "burndown" herbicides for no-till corn
    • Table 2.2-9. Herbicide effectiveness on perennial broadleaf weeds
    • Table 2.2-11. Corn herbicide preplant or preemergence rates per acre based on soil texture and organic matter
    • Table 2.2-12. Maximum corn and weed sizes for delayed preemergence/early postemergence herbicide applications
    • Table 2.2-13. Postemergence herbicides for corn
    • Table 2.2-14. Postemergence herbicide application restrictions for corn
    • Table 2.2-15. Weed sizes for postemergence corn herbicides
    • Table 2.2-18. Grazing and forage restrictions for corn herbicides
    • Table 2.2-21. Compatibility of selected insecticides and herbicides
    • Table 2.2-22. Summary of soil insecticide activity spectrum for soil insects
    • Table 2.2-23. Summary of the newer planter box and commercial seed treatment options for field corn
    • Table 2.3-1. Weed control recommendations for grain sorghum, forage sorghum, sorghum x sudan hybrids
    • Table 2.4-1. Soybean herbicides and their restrictions
    • Table 2.4-1a. Selected glyphosate products and premixes for agronomic use.
    • Table 2.4-2. Future products for soybean
    • Table 2.4-3. Soybean herbicide prepackaged mixes or co-packs, and equivalents.
    • Table 2.4-4. Characteristics of preplant or preemergence soybean herbicides
    • Table 2.4-7. Characteristics of "burndown" herbicides for no-till soybean.
    • Table 2.4-9. Effectiveness of different foliar-applied herbicides on perennial broadleaf weeds in soybean (based on seasonal control)
    • Table 2.4-10. Preplant, preplant-incorporated, and preemergence herbicides for soybean
    • Table 2.4-11. Soybean herbicide preplant or preemergence rates per acre based on soil texture and organic matter
    • Table 2.4-12. Postemergence herbicides for soybean
    • Table 2.4-14. Spray additives and rainfastness for "burndown" or postemergence soybean herbicides
    • Table 2.4-15. Soybean herbicide rotational restrictions
    • Table 2.4-16. Feeding restrictions on soybean forage or grain after treatment with various herbicides
    • Table 2.4-17. Summary of recommended insecticides for soybean insect control
    • Table 2.5-1. Small grain herbicides and their characteristics and restrictions
    • Table 2.5-2. Relative effectiveness of "burndown" treatments for no-till small grains
    • Table 2.5-3. Characteristics of "burndown" herbicides for no-till small grains
    • Table 2.5-4. Relative effectiveness of small grain herbicides
    • Table 2.5-5. Herbicides for small grains
    • Table 2.5-6. Grazing and feeding restrictions for small-grain herbicides and livestock use
    • Table 2.5-7. Summary of recommended insecticides for small-grain insect control
    • Table 2.5-8. Suggested insecticides, rates, and restrictions for small-grain insect control
    • Table 2.5-9. Wheat Disease Thresholds
    • Table 2.5-10. Fungicide efficacy for wheat disease control based on application at threshold level
    • Table 2.5-11. Estimated yield loss to powdery mildew diseases severity and varietal resistance
    • Table 2.6-1. Forage and pasture herbicides, their characteristics and restrictions
    • Table 2.6-2. Relative effectiveness of "burndown" treatments for no-till forages
    • Table 2.6-3. Relative effectiveness of herbicides on weeds in forages
    • Table 2.6-4. Herbicides for use in new legume seedings or stands less than one year old
    • Table 2.6-5. Herbicides for use in established legume forages more than one year old
    • Table 2.6-6. Harvesting, feeding, and/or grazing restrictions for forage herbicides
    • Table 2.6-8. Herbicides for grass forages or pasture and CREP grassland areas
    • Table 2.6-9. Grazing and haying restrictions for grass forage and pasture herbicides
    • Table 2.6-10. Summary of recommended insecticides for forage-crop insect control
• Bushel Weights/Seed Per Pound
• English/Metric Conversion
• Weights and Measures
• Related Penn State Web Sites
• Related Publications
• About the Guide