79 research outputs found
Aphids as crop pests/ edited by Helmut F. van Emden and Richard Harrington
No full textIncludes bibliographical references and indexThis book contains 33 chapters focusing on taxonomy, population dynamics, biological characteristics, feeding behaviour, crop damage, disease transmission, control, monitoring and forecasting of aphid pests of various crops. The efficacy of various methods (biological, chemical, cultural and host resistance) and their combinations for the control of these aphid pests are also discussedTaxonomic Issues / Roger L. Blackman and the late Victor F. Eastop -- Aphid Genomics and its Contribution to Understanding Aphids as Crop Pests / Linda M. Field, Chris Bass, T.G. Emyr Davies, Martin S. Williamson and Jing-Jiang Zhou -- Population Genetic Issues: New Insights Using Conventional Molecular Markers and Genomics Tools / Hugh D. Loxdale, Owain Edwards, Denis Tagu and Christoph Vorburger -- Life Cycles and Polyphenism / Jim Hardie -- Growth and Development / Simon R. Leather, Caroline S. Awmack and Michael P.D. Garratt -- Nutrition and Symbiosis / Angela E. Douglas and Helmut F. van Emden -- Aphids and Stress / Jeremy Pritchard and Laura H. Vickers -- Chemical Ecology / John A. Pickett, Toby J.A. Bruce and Robert T. Glinwood -- Host-plant Selection and Feeding / Jan Pettersson, W. Fred Tjallingii and Jim Hardie -- Aphid Movement: Process and Consequences / Alberto Fereres, Michael E. Irwin and Gail E. Kampmeier -- Predators, Parasitoids and Pathogens / Jacques Brodeur, Ann E. Hajek, George E. Heimpel, John J. Sloggett, Manfred Mackauer, Judith K. Pell and the late Wolfgang Völkl -- Population Dynamics: Cycles and Patterns / Samuel G. Leigh and Helmut F. van Emden -- Aphid Population Dynamics: From Fields to Landscapes / James R. Bell, Jean-Sébastien Pierre and Charles-Antoine Dedryver -- Feeding Injury / Fiona L. Goggin, Sharron S. Quisenberry and Xinzhi Ni -- Transmission of Plant Viruses / Mark Stevens and Christophe Lacomme -- Monitoring and Forecasting / Richard Harrington and Maurice Hullé -- Decision Support Systems / Frédéric Fabre and Charles-Antoine Dedryver -- Chemical Control / Alan M. Dewar and Ian Denholm -- Insecticide Resistance / Stephen P. Foster, Gregor Devine and Alan L. Devonshire -- Biological Control / Thierry Hance, Fatemeh Kohandani-Tafresh and Françoise Munaut -- Cultural Control / Mauricio G. Chang, Geoff M. Gurr and Jason M. Tylianakis and Steve D. Wratten -- Host-plant Resistance / Helmut F. van Emden -- Integrated Pest Management and Introduction to IPM Case Studies / Helmut F. van Emden -- IPM Case Studies: Grain / Hans-Michael Poehling, Thomas Thieme and Udo Heimbach -- IPM Case Studies: Sorghum / J.P. Michaud -- IPM Case Studies: Leafy Salad Crops / G. Mark Tatchell, Rosemary H. Collier and Gemma L. Hough -- IPM Case Studies: Brassicas / Rosemary H. Collier and Stan Finch -- IPM Case Studies: Cucurbits / Susan E. Webb -- IPM Case Studies: Seed Potato / Jon Pickup and Christophe Lacomme -- IPM Case Studies: Cotton / Pierre J. Silvie, Thierry Brévault and Jean-Philippe Deguine -- IPM Case Studies: Berry Crops / Rufus Isaacs, A. Nicholas E. Birch and Robert R. Martin -- IPM Case Studies: Deciduous Fruit Tree Aphids / Sebastiano Barbagallo, Giuseppe E. Massimino Cocuzza, Piero Cravedi and Shinkichi Komazaki -- IPM Case Studies: Tropical and Subtropical Fruit Trees / Sebastiano Barbagallo, Giuseppe E. Massimino Cocuzza, Piero Cravedi -- Taxonomic glossary -- Index1 online resource
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Integrated pest management of aphids and introduction to IPM case studies
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Integrated pest management of aphids and introduction to IPM case studies
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Varying responses of insect herbivores to altered plant chemistry under organic and conventional treatments
No full textThe hypothesis that plants supplied with organic fertilizers are better defended against insect herbivores than those supplied with synthetic fertilizers was tested over two field seasons. Organic and synthetic fertilizer treatments at two nitrogen concentrations were supplied to Brassica plants, and their effects on the abundance of herbivore species and plant chemistry were assessed. The organic treatments also differed in fertilizer type: a green manure was used for the low-nitrogen treatment, while the high-nitrogen treatment contained green and animal manures. Two aphid species showed different responses to fertilizers: the Brassica specialist Brevicoryne brassicae was more abundant on organically fertilized plants, while the generalist Myzus persicae had higher populations on synthetically fertilized plants. The diamondback moth Plutella xylostella (a crucifer specialist) was more abundant on synthetically fertilized plants and preferred to oviposit on these plants. Glucosinolate concentrations were up to three times greater on plants grown in the organic treatments, while foliar nitrogen was maximized on plants under the higher of the synthetic fertilizer treatments. The varying response of herbivore species to these strong differences in plant chemistry demonstrates that hypotheses on defence in organically grown crops have over-simplified the response of phytophagous insects
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