Cultural Tactics for Control of the Rice Water Weevil, Lissorhoptrus Oryzophilus Kuschel

Louisiana State University LSU Digital Commons LSU Historical Dissertations and Theses Graduate School 1993 Cultural Tactics for Control of the Rice Water Weevil, Lissorhoptrus Oryzophilus Kuschel. Reginald Alexander Thompson Louisiana State University and Agricultural & Mechanical College Follow this and additional works at: https://digitalcommons.lsu.edu/gradschool_disstheses Recommended Citation Thompson, Reginald Alexander, "Cultural Tactics for Control of the Rice Water Weevil, Lissorhoptrus Oryzophilus Kuschel." (1993). LSU Historical Dissertations and Theses. 5551. https://digitalcommons.lsu.edu/gradschool_disstheses/5551 This Dissertation is brought to you for free and open access by the Graduate School at LSU Digital Commons. It has been accepted for inclusion in LSU Historical Dissertations and Theses by an authorized administrator of LSU Digital Commons. For more information, please contact [email protected]. INFORMATION TO USERS This manuscript has been reproduced from the microfilm master. UMI films the text directly from the original or copy submitted. Thus, some thesis and dissertationcopies are in typewriter face, while others may be from any type of computer printer. The quality of this reproduction is dependent upon the quality of the copy submitted. Broken or indistinct print, colored or poor quality illustrations and photographs, print bleedthrough, substandard margins, and improper alignment can adversely affect reproduction. In the unlikely event that the author did not send UMI a complete manuscript and there are missing pages, these will be noted. Also, if unauthorized copyright material had to be removed, a note will indicate the deletion. Oversize materials (e.g., maps, drawings, charts) are reproduced by sectioning the original, beginning at the upper left-hand corner and continuing from left to right in equal sections with small overlaps. Each original is also photographed in one exposure and is included in reduced form at the back of the book. Photographs included in the original manuscript have been reproduced xerographically in this copy. Higher quality 6" x 9" black and white photographic prints are available for any photographs or illustrations appearing in this copy for an additional charge. Contact UMI directly to order. University Microfilms International A Bell & Howell Information Company 300 North Zeeb Road. Ann Arbor. Ml 48106-1346 USA 313/761-4700 800/521-0600 Order Number 9401574 Cultural tactics for control of the rice water weevil,Lissorhoptrus oryzophilus K uschel Thompson, Reginald Alexander, Ph.D. The Louisiana State University and Agricultural and Mechanical Col., 1993 UMI 300 N. ZeebRd. Ann Arbor, Ml 48106 CULTURAL TACTICS FOR CONTROL OF THE RICE WATER WEEVIL, LISSORHOPTRUS ORYZOPHILUS KUSCHEL A Dissertation Submitted to the Graduate Faculty of the Louisiana State University and Agricultural and Mechanical College in partial fulfillment of the requirements for the degree of Doctor of Philosophy in The Department of Entomology by Reginald A. Thompson B.S., Iowa State University, 1979 M.S., Louisiana State University, 1989 May 1993 ACKNOWLEDGMENTS I wish to express my appreciation to everyone who contributed to the completion of this work. I am especially grateful to Dr. Sharron Quisenberry for her guidance and sterling support as my major academic advisor. I wish also to thank to Drs. Frank Guillot, Jerry Graves, Seth Johnson and Richard Story for their advice and for serving as members of my graduate advisory committee. I am also grateful to the staff at the Rice Research Station, Crowley, especially Mr. George Trahan (USDA-ARS Agricultural Research Technician), Mrs. Patricia Bollich (Research Farm Specialist) and the entomology student workers for their assistance with the field work. I also wish to thank Dr. Marieanne Hollay for her suggestions on the statistical analysis of the data. To Dr. Mirza Mohamed and all my fellow graduate students, especially Messrs Daniel Moellenbeck, Mark Muegge and Frangois N'Guessan, I owe a debt of gratitude. Finally, to all my friends and relatives, especially my loving wife Althea and my daughter Melissa, I am appreciative of their support and understanding during the period of my studies. Dedicated to my ancestors and all those who came before, to whom much is owed. FOREWORD This dissertation is compiled into six chapters. Chapters III, IV and V are written in the manuscript formats for publication in the journals of the Entomological Society of America. TABLE OF CONTENTS Page ACKNOWLEDGMENTS ........................................ ii DEDICATION........................... iii FOREWORD ............................................... iv TABLE OF CONTENTS ..................................... V LIST OF TABLES . vii LIST OF FIGURES ........................................ ix ABSTRACT .......................................... xi CHAPTER I INTRODUCTION ................................. 1 References - Chapter I ........ 4 II REVIEW OF LITERATURE ........................ 5 Importance of Rice ...................... 6 Economic Importance and Alternate Hosts of the Rice Water Weevil ...... 6 Taxonomy and Distribution of the Rice Water Weevil .......................... 8 Biology of the Rice Water Weevil ....... 9 Control of the Rice Water Weevil......... 12 References - Chapter II ................. 16 III EFFECT OF RICE SPACING ON RICE WATER WEEVIL (CQLEOPTERA: CURCULIONIDAE) INFESTATION ... 21 Introduction ........................... 22 Materials and Methods ................. 24 Results ................................ 27 Discussion ......... 40 References - Chapter III .............. 47 IV WATER MANAGEMENT AS A CULTURAL CONTROL TACTIC FOR RICE WATER WEEVIL (COLEOPTERA: CURCULIONIDAE) IN SOUTHWEST LOUISIANA .... 49 Introduction ........................... 50 Materials and Methods ................. 51 Results ......................... 54 Discussion ........ *......... 66 References - Chapter IV ............... 71 v V PLANTING DATE AS A CULTURAL METHOD FOR CONTROLLING RICE WATER WEEVIL (LISSORHOPTRUS ORYZOPHILUS) IN WATER-SEEDED RICE ......... 74 Introduction ........................... 75 Materials and Methods ....... 77 Results and Discussion ................ 79 References - Chapter V ................. 100 VI SUMMARY AND CONCLUSIONS .................... 102 BIBLIOGRAPHY ............................................ 110 VITA ..................................................... 117 vi LIST OF TABLES Number of rice water weevil eggs (mean ± SE) deposited per unit area and per plant, Rice Research Station, Crowley, LA, 1991 ........................... ........... 28 Number of rice water weevil eggs (mean ± SE) deposited per unit area and per plant, Rice Research Station, Crowley, LA, 1992 ....................................... 29 Number of tillers (mean ± SE) per rice plant, Rice Research Station, Crowley, LA, 1991 ....................................... 32 Number of tillers (mean ± SE) per rice plant, Rice Research Station, Crowley, LA, 1992 ....................................... 33 Rice plant height and yield as (mean ± SE) influenced by plant and insect density, Rice Research Station, Crowley, LA, 1990 .................................. 41 Rice plant height and yield as (mean ± SE) influenced by plant and insect density, Rice Research Station, Crowley, LA, 1991 .................................. 42 Rice plant height and yield as (mean ± SE) influenced by plant and insect density, Rice Research Station, Crowley, LA, 1992 ....................... .......... 43 Mean numbers of rice water weevil immatures as distributed by size, before, during and after drainage treatments, Rice Research Station, Crowley, LA, 1991 .................. ............ ....... 60 Mean numbers of rice water weevil immatures as distributed by size, before, during and after drainage treatments, Rice Research Station, Crowley, LA, 1992 .................................... 65 Plant height and yield indicators (mean ± SE) in rice with water management and carbofuran treatments for control of rice water weevils, Rice Research Station, Crowley, LA, 1991 ................ ........ 67 vii Table 4. Plant height and yield indicators (mean ± SE)in rice with water management and carbofuran treatments for control of rice water weevils, Rice Research Station, Crowley, LA, 1992 ........................ 68 Table 5. Sum of rice water weevil larvae sampled from untreated subplots (no carbofuran), during the growing season for each planting date, Rice Research Station, Crowley, LA, 1991 and 1992, means ± SE ..................... 92 Table 5. Plant height and yield (mean ± SE) responses in rice with planting date and carbofuran treatments for control of rice water weevil, Rice Research Station, Crowley, LA, 1991 ....................... 94 Table 5. Plant height and yield (mean ± SE) responses in rice with planting date and carbofuran treatments for control of rice water weevil, Rice Research Station, Crowley, LA, 1992 ....................... 96 viii LIST OF FIGURES Mean number of immature rice water weevils (RWW) per core, Rice Research Station, Crowley, LA, 1990 ....... ................ 34 Mean number of immature rice water weevils (RWW) per core, Rice Research Station, Crowley, LA, 1991 ....................... 36 Mean number of immature rice water weevils (RWW) per core, Rice Research Station, Crowley, LA, 1992 ....................... 38 Mean number of rice water weevil (RWW) immatures (larvae/pupae) per core, Rice Research Station, Crowley, LA, 1991 .... 55 Rice water weevil (RWW) adult flight

Load more