1. University of Natural Resources and Life Sciences, Vienna, Department of Crop Science, Experimental Farm, Vienna, Austria
2. University of Natural Resources and Life Sciences, Vienna, Department of Crop Science, Institute of Plant Protection, Vienna, Austria
3. University of Natural Resources and Life Sciences, Vienna, Department of Crop Science, Institute of Agronomy, Vienna, Austria
4. University of Hohenheim, Institute of Crop Science, Biostatistics Unit, Stuttgart, Germany