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Severity curves of Z. tritici and P. triticina on successive wheat leaf ranks simulated with model 3 in 2011/2012 in Grignon (lines indicate the mean of 30 repetitions). Columns: three varied conditions of simulation: (A) reduced latency period of brown rust; (B) enriched rules of competition between the two fungi; (C) modified conditions of primary inoculation of brown rust. Lines: 1, septoria alone; 2, brown rust alone; 3, septoria in complex; 4, brown rust in complex.
