Weedy Aquatic Plants : Their Utility, Menace and Management
About this eBook
The objective of this book is to introduce to readers the i multifarious problems created by excessive growth of aquatic plants in our canals, lakes, ponds, drainage channels, lowland paddies, and other aquatic situations, leading to huge economic losses to the Nation year after year and ii various options available with us to curb these to within harmless levels. Thus far, these aquatic plant management options have been developed and used on field scale only in certain advanced countries of the world. We, in India, have yet to think about a constructive strategy to deal with this enormous problem by suitable Research and Development R D procedures. Presently, the research on aquatic weed management conducted in India has been largely based on laboratory studies, with little, if any, long term field-testing and development in the problematic waterbodies. In other words, the combined R D efforts are completely lacking, except in 1-2 cases of biological control of specific aquatic weeds. This is a very unfortunate state of affairs. We require in the country 2-3 specialised centers for research and development each in i biological control, ii mechanical control, and iii mass utilization of aquatic weeds, supported by several field testing stations in different Agricultural Universities. The present book provides adequate subject matter to make a concrete beginning on these lines in the country. Further, it seems no Agricultural University in the country offers even one course on the management of excessive aquatic plants. It is high time that a beginning is made in creating a course on this burning problem so that at least some students get oriented towards devoting to aquatic weed management in right earnestness. The present book provides the latest text available for formulating and conducting a post-graduate level course on aquatic weed management. Acknowledgments My thanks are due to Dr. R. K. Malik, Professor Agronomy, HAU, Hissar Dr. J. Sharma, Professor Agronomy, H.P.K.V.V., Palampur Dr. M. Arumugam, Assoc. Professor Agronomy, TNAU, Coimbatore Dr. A. S. Rao, Assoc. Professor Agronomy, APAU, Hyderabad Dr. A. N. Giri, Agronomist MAU, Parbhani Dr. A. Basit Dr. A. K. Gogoi, Scientists, AAU, Jorhat and Dr. R.S. Singh, Agronomist, OUAT,
Bhubaneshwar for providing information on aquatic weed flora and problems of respective states. Some of the plates and figures used in this book were provided by the IFAS Center for Aquatic Plants, University of Florida, Gainsville, USA Dr. A. Basit Professor, AAU, Jorhat and Director, NRC WS , Jabalpur, which are all sincerely acknowledged.
About the Author
Dr. O. P. Gupta was born on Sept., 19, 1933 at Delhi. He obtained his Ph.D. degree in Agronomy, with research specialization in Weed Science, from Indian Agricultural Research Institute, New Delhi in 1961. Dr. Gupta started his career as Assistant Professor of Agronomy at G. B. Pant Agricultural University, Pant Nagar U.P. and then shifted to Rajasthan Agricultural University, Udaipur now at Bikaner as Associate Professor of Agronomy in 1966. During his service period, Dr. O. P. Gupta visited USA in 1970 for his Post-Doctorate training in Aquatic Weed Management where he visited and worked at several aquatic weed centers. Later he