tailieunhanh - PESTICIDES THE IMPACTS OF PESTICIDE EXPOSURE

Moreover, during the past years, intensive and repeated applications of the same active ingredients cause the selection for and development of herbicide resistance (Devine & Shukla, 2000; Beckie, 2006; Gressel, 2009; Preston, 2004). Starting from 1960s, hundreds of weed biotypes have been reported as surviving herbicide application (Heap, 2011). Intensive efforts have thus been undertaken to discover new compounds with favorable environmental and safety features to selectively control weeds. In this regard, the photosynthetic system has been target aiming to find new weed killers. In this book chapter, it will be covered the developments concerning the search for new photosynthetic inhibitors during the last ten years | PESTICIDES - THE IMPACTS OF PESTICIDE EXPOSURE Edited by Margarita Stoytcheva Pesticides - The Impacts of Pesticide Exposure Edited by Margarita Stoytcheva Published by InTech Janeza Trdine 9 51000 Rijeka Croatia Copyright 2011 InTech All chapters are Open Access articles distributed under the Creative Commons Non Commercial Share Alike Attribution license which permits to copy distribute transmit and adapt the work in any medium so long as the original work is properly cited. After this work has been published by InTech authors have the right to republish it in whole or part in any publication of which they are the author and to make other personal use of the work. Any republication referencing or personal use of the work must explicitly identify the original source. Statements and opinions expressed in the chapters are these of the individual contributors and not necessarily those of the editors or publisher. No responsibility is accepted for the accuracy of information contained in the published articles. The publisher assumes no responsibility for any damage or injury to persons or property arising out of the use of any materials instructions methods or ideas contained in the book. Publishing Process Manager Iva Lipovic Technical Editor Teodora Smiljanic Cover Designer Martina Sirotic Image Copyright AJP 2010. Used under license from First published January 2011 Printed in India A free online edition of this book is available at Additional hard copies can be obtained from orders@ Pesticides - The Impacts of Pesticide Exposure Edited by Margarita Stoytcheva p. cm. ISBN 978-953-307-531-0 I kfTC LI OPEN ACCESS INI Evn PUBLISHER INTECH open free online editions of InTech Books and Journals can be found at .