PROJECT REPORT No. OS60 CONTROL OF SLUG DAMAGE IN OILSEED RAPE BY SEED TREATMENT – DEVELOPMENT AND FIELD TESTS
نویسندگان
چکیده
....................................................................................................................................................................... 2 SUMMARY......................................................................................................................................................................... 3 INTRODUCTION....................................................................................................................................... 3 Objectives: .................................................................................................................................................................... 4 MATERIALS AND METHODS ............................................................................................................... 4 Laboratory bioassays ................................................................................................................................................... 4 Efficacy of seed treatments against a broad range of slug pests ...........................................................................................4 Determination of the duration of protection given by seed treatments .................................................................................4 Development of a quantitative analytical method to determine metaldehyde uptake by seedlings. ....................................5 Semi-field experiment – mini-plots............................................................................................................................. 5 Field experiments......................................................................................................................................................... 5 RESULTS .................................................................................................................................................... 6 Laboratory bioassays ................................................................................................................................................... 6 Efficacy of seed treatments against a broad range of slug pests ...........................................................................................6 Determination of the duration of protection given by seed treatments .................................................................................6 Development of a quantitative analytical method to determine metaldehyde uptake by seedlings. ....................................6 Semi-field experiment – mini-plots............................................................................................................................. 7 Field experiment .......................................................................................................................................................... 7 DISCUSSION AND IMPLICATIONS...................................................................................................... 7 TECHNICAL DETAIL ................................................................................................................................................... 9 INTRODUCTION....................................................................................................................................... 9 MATERIALS AND METHODS ............................................................................................................... 9 Laboratory bioassays ................................................................................................................................................... 9 Efficacy of seed treatments against a broad range of slug pests .........................................................................................10 Determination of the duration of protection given by seed treatments ...............................................................................10 Development of a quantitative analytical method to determine metaldehyde uptake by seedlings. ..................................10 Semi-field experiment – mini-plots........................................................................................................................... 11 Field experiments....................................................................................................................................................... 11 RESULTS ...................................................................................................................................................12 Laboratory bioassays ................................................................................................................................................. 12 Efficacy of seed treatments against a broad range of slug pests .........................................................................................12 Determination of the duration of protection given by seed treatments ...............................................................................14 Development of a quantitative analytical method to determine metaldehyde uptake by seedlings. ..................................15 Semi-field experiment – mini-plots........................................................................................................................... 16 Autumn mini-plot trial .........................................................................................................................................................16 Spring mini-plot trial ............................................................................................................................................................17 Field experiment ........................................................................................................................................................ 18 DISCUSSION AND IMPLICATIONS.....................................................................................................18 ACKNOWLEDGEMENTS.......................................................................................................................20 REFERENCES...........................................................................................................................................20
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