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Table 1 from:


Wrather, A., Shannon, G., Balardin, R., Carregal, L., Escobar, R., Gupta, G. K., Ma, Z., Morel, W., Ploper, D., and Tenuta, A. 2010. Effect of diseases on soybean yield in the top eight producing countries in 2006. Online. Plant Health Progress doi:10.1094/PHP-2010-0125-01-RS.



Table 1. Estimated reduction of soybean yields (thousand metric tonnes) due to diseases in the top eight soybean-producing countries in 2006.

Disease Argen
-tina
Bolivia Brazil Canada China India Para-
guay
USA Total
Anthracnose 45.3 Trw 220.0 0 1663.5 117.6 0.3 492.9 2,539.6
Bacterial diseases 22.6 Tr 130.0 Tr 570.3 19.6 0 101.5 844.0
Brown spot 1176.5 Tr 340.0 0.8 2186.3 19.6 0.1 536.6 4,259.9
Brown stem rot 22.6 0 40.0 3.3 998.1 0 0 497.5 1,561.5
Charcoal rot 905.0 500.0 360.0 1.6 0 39.2 1.6 697.6 2,505.0
Downy mildew 0 Tr 50.0 1.6 1996.2 0 0 147.4 2,195.2
Frogeye leaf spot 22.6 Tr 40.0 0.3 0 19.6 0 345.1 427.6
Fusarium root rot 0 Tr 40.0 19.6 1615.9 19.6 0 169.1 1,864.2
Phomopsis seed decay 45.3 0 130.0 16.3 95.1 0 0 122.0 408.7
Phytophthora root and
stem rot
67.9 0 Tr 26.1 760.5 0 0 1464.2 2,318.7
Pod and stem blight 181.0 0 0 11.4 95.1 19.6 0.1 208.3 515.5
Powdery mildew 0 Tr 0 0 0 0 0 0 0
Purple seed stain &
Cercospora leaf blight
1086.0 Tr 720.0 0.3 0 19.6 0.7 85.2 1,911.8
Rhizoctonia aerial blight 0 0 300.0 0 1188.2 39.2 0 12.5 1,539.9
Root-knot and other
nematodesx
22.6 Tr 260.0 7.1 2186.3 0 0.4 215.5 2,691.9
Sclerotinia stem rot 135.7 Tr 200.0 4.9 1520.9 0 0 362.0 2,223.5
Sclerotium blight 0 0 58.0 0 0 156.9 0 5.2 220.1
Seed diseases 45.3 0 70.0 16.3 1188.2 0 0.1 18.5 1,338.4
Seedling diseases 45.3 Tr 82.0 89.7 2043.8 19.6 0 1085.3 3,365.7
Soybean cyst nematode 22.6 0 520.0 97.8 3184.4 0 0 3368.1 7,192.9
Soybean rust 45.3 2000.0 4720.0 0 6368.9 78.4 1.9 24.5 13,239.0
Stem canker 0 Tr 0 11.4 0 0 0 211.7 223.1
Sudden death syndrome 769.3 0 320.0 16.3 0 0 0 743.4 1,849.0
Virus diseasesy 45.3 Tr 100.0 9.8 1568.5 196.1 0 202.7 2,122.4
Other diseasesz 45.3 500.0 0 26.1 1948.7 58.8 0 0 2,578.9
Total                 59,936.5

 w Tr = trace.

 x Other nematodes were lance, lesion and reniform in Brazil; primarily lesion as well as lance, sting, and stubby root in Canada; and lance, lesion, reniform, sting and stubby root in the United States.

 y Virus diseases were soybean mosaic, alfalfa mosaic, peanut mottle, tobacco streak, cucumber mosaic and bean common mosaic in Argentina; cucumber mosaic in Bolivia; mungbean yellow mosaic, soybean mosaic and peanut bud necrosis in India; and soybean mosaic, bean pod mottle, tobacco ringspot and peanut mottle in the United States.

 z Other diseases were target spot in Argentina and Bolivia, Rhizoctonia root rot in Canada, grey spot in China, and Myrothecium leaf spot and target spot in India.





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