1. Beckerman J (2012) Bp-68-w Downy mildew; Disease of landscape plants. Purdue University. Available at http://www.extension.purdue.edu/extmedia/BP/BP-68-W.pdf . Accessed 12 Jul 2012
2. Cui D, Zhang Q, Li M, Hartman GL, Zhao Y (2010) Image processing method for quantitatively detection soyabean rust from multispectral image. Biosys Eng 107(3):186–193
3. Cui D, Zhang Q, Li M, Zhao Y, Hartman GL (2009) Detection of soybean rust using a multispectral image sensor. Sens & Instrumen Food Qual 3(1):49–56
4. Dorrance AE, Draper M, Hershman DE (2007) Using foliar fungicides to manage soybean rust. Land-Grant Universities Cooperating NCERA-208 and OMAF
5. Dorrance AE, Mills DR (2010) Brown spot of soybean. Fact sheet, agriculture and natural resources. The ohio state university. Ac-18-10, 1–2. Available at http://ohioline.osu.edu/ac-fact/pdf/0018.pdf . Accessed on 15 Jul 2012