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Field reaction of spring wheat lines with or without the 2NS chromosome segment to head blast in Bolivia during 2014 in two locations at the Quirusillas municipality (a and b), and 2015 in one location at Quirusillas (c). South American (S) and North American (N) cultivars with known reaction to wheat head blast were included as checks. Means with an asterisk (*) were significantly (p < 0.05) different from their corresponding isogenic parent.
