Chapter 9 **Integrated Management of Helicoverpa armigera in Soybean Cropping Systems 231**

Preface

these pests.

This book provides an overview of the pest resistance soybeans. The authors contributed 9 chapters in which they attempt to review recent research on soybean resistance to Hemipter‐ an pests and, in the light of various challenges to manage Hemipteran pests, propose strat‐ egies for successful and sustainable use of host plant resistance (HPR) in soybean against

The chapters also aim to present some focal issues related to weed management in soybean growing areas, which include weed potential to cause severe damage and yield losses by weeds, the evolution of resistant weeds in GR soybean monoculture, the soybean manage‐ ment characterization in the main producing countries and discussions about the benefits of IWM use as an accurate control measure. A set of information for researchers and experts on weed management service area is presented, reporting clearly and objectively the major im‐

This book will be useful for soybean researchers and other academic staff and will provide

**Hany A. El-Shemy, Professor** Cairo University, EGYPT

pacts of the current management used, as well as the outlook for soybean farming.

its readers with valuable insight into the last developments in the field.

Yaghoub Fathipour and Amin Sedaratian
