Acknowledgements

 

The author would like to express his sincere appreciation to Mrs. Fiona Thomson for her editorial assistance. Thanks are also due to the members of the production team of the Scientific and Technical Information Program of ICARDA for their help in the production of this publication. Dr. K. Makkouk reviewed the virology section of the publication and made very useful suggestions. The author also acknowledges the support received from Dr. M. C. Saxena, Leader,Food Legume Improvement Program in developing the manuscript of this publication.