Before using pesticides, consider the following:
- Percent of leaf area affected/damage inflicted
- Corn growth stage
- Cost of treatment
- Expected value of the crop
Figure 1. Bean leaf beetles feeding on soybean, can vector bean mottle virus
Figure 2. Skeletonization of soybean leaf due to Japanese beetle feeding.
Figure 3. Ladybird beetle predating on aphids
Figure 4. Close up of soybean aphid
Figure 5. Brown stink bug showing piercing-sucking mouthparths below head and between legs
Figure 6. Soybean podworm feeding on soybean
Figure 7. Red discoloration at soil line due to Rhizoctonia solani
Figure 8. Cankers in roots due to rhizoctonia root rot
Figure 9. Close up of red discoloration due to Rhizoctonia solani.
Figure 10. Phytophthora infected soybean on right, compared to a healthy soybean on the left. Note the dark brown lesion
Figure 11. Soybean plants wilted due to Phytophthora rot
Figure 12. Bronzing on leaves due to Cercospora.
Figure 13. Cercospora seed stain on soybean.
Figure 14. Frogeye leaf spot on soybean.
Figure 15. Soybean leaf with symptoms of bean mottle virus.
Figure 16. Aphid feeding on soybean leaf.
References Bailey, W. C. (2014, September 3). Soybean Podworm in Soybean. Retrieved from Integrated Pest Management University of Missouri
The foregoing is provided for informational use only. Please contact your Pioneer sales professional for information and suggestions specific to your operation. Product performance is variable and depends on many factors such as moisture and heat stress, soil type, management practices and environmental stress as well as disease and pest pressures. Individual results may vary. Pioneer® brand products are provided subject to the terms and conditions of purchase which are part of the labeling and purchase documents.
Vol. 11 No. 25 June 2019