Corn Pest Management 2009–2010

Field Crop Pest Management 2009–2010
Section 2, Corn Pest Management

Tables

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 2.2-8. Relative effectiveness of corn herbicides on grasses, grasslike species, and broadleaf weeds.
Table 2.2-9. Herbicide effectiveness on perennial broadleaf weeds.
Table 2.2-10. Preplant or preemergence herbicides for conventional, min-, or no-till corn.
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 2.2-16. Spray additives and rainfastness for “burndown” and postemergence corn herbicides.
Table 2.2-17. Corn herbicide rotational restrictions.
Table 2.2-18. Grazing and forage restrictions for corn herbicides.
Table 2.2-19. Summary of suggested insecticides for corn insect control, including seed treatments.
Table 2.2-20. Suggested insecticides, rates, and restrictions for corn insects.
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.

Figures

Figure 2.2-1. Key periods of corn insect pests.
Figure 2.2-2. Conversion of row applied (T-band or infurrow ) soil insecticides expressed in ounces per 1,000 feet of row to pounds per acre formulated material for any row spacing.

Corn Pest Management

W. S. Curran, professor of weed science, Department of Crop and Soil Sciences
D. D. Lingenfelter, assistant extension agronomist, Department of Crop and Soil Sciences
D. D. Calvin, professor of entomology and associate director of Penn State Cooperative Extension
J. F. Tooker, assistant professor of entomology, Department of Entomology
J. M. Dillon, extension associate, Department of Crop and Soil Sciences

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