Soybean rust sentinel plot scouting report

Jan Byrne, Joe Svoboda, James Taulbee, Michigan State University Extension, Diagnostic Services -

Editor’s note: This article is from the archives of the MSU Crop Advisory Team Alerts. Check the label of any pesticide referenced to ensure your use is included

There were 8 samples received from sentinel plots during the reporting week of June 21-28, 2006. The following is a compilation of the reports.

Growth stages: 4 plots=V3, 2 plots = V6, 1 plot=V7, 1 plot=R3.

Plant height: Ranged from 5 to 10 inches.

Degree of canopy closure: Ranged from 10 – 40 percent and averaged 24 percent.

Soybean diseases present: Low levels of Brown Spot (3 plots).

Comments: This is the first week that we received soybean samples. Most samples were in good condition. A few samples had Brown Leaf Spot (Septoria), but the majority showed no signs of pathogens.

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