1. Laboratoire de Phytoparasitologie INRA/CNRS, Centre de Microbiologie du Sol et de l′Environnement, INRA, BV 1540, 21034 Dijon Cedex, France,,
2. College of Life Sciences & Technology, Huazhong Agricultural University, 430070 Wuhan, Hubei, PR China,,
3. Land Resources Department, Scottish Agricultural College, Craibstone Estate, Aberdeen AB2 9TQ, UK