Download or read book Chemical and Behavioral Ecology of the Pear Psylla Cacopsylla Pyricola F rster Hemiptera Psyllidae written by Robert Lamarr Brown and published by . This book was released on 2008 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Pear Psylla Integrated Pest Management written by Louis Nottingham and published by . This book was released on 2023 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pear psylla (Cacopsylla pyricola [Foerster] [Hemiptera: Psyllidae]) is an important pest of pear in Washington. Honeydew produced by pear psylla causes fruit russet, and serious infestations can stunt and defoliate trees. Pear psylla likely arrived in the United States along with shipments of pear nursery stock from western Europe. It was first found in Connecticut in 1832 and spread to Washington State by 1939. Within a few years it became a serious pest throughout all pear growing areas in the Pacific Northwest.
Download or read book Potential Use of Acoustics in Pear Psylla Cacopsylla Pyricola Integrated Pest Management written by Dowen Mae Ibarra Jocson and published by . This book was released on 2023 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Integrated Pest Management (IPM) employs both chemical and non-chemical strategies. In both cases, foundational research is required and necessary to create an effective management tool. This dissertation explores the development of an alternative, non-chemical management tool for pear psylla (Cacopsylla pyricola) exploiting their vibrational communication. The first chapter reviews pear psylla biology and history as well as the study of vibrational communication, most recently coined as Biotremology. In the first manuscript, I characterized the mating songs of male and female pear psylla adults and assessed whether temperature and presence of conspecific individuals altered the male signal characteristics. I show that some song traits are affected by temperature while some are not. Further, that experience with the opposite sex increases the likelihood of males producing a vibrational mating song. The second manuscript explores three vibrational delivery methods to determine the efficacy of mating disruption (MD) in pear psylla employing the two MD hypotheses: competitive versus noncompetitive MD. My results showed that white noise (noncompetitive MD) was effective in reducing mating rates in pear psylla, but only when played directly to the plant substrate. Male song playback (competitive MD) was more effective than the other types of playback when going through the air using speakers. This suggests that we may be able to employ both types of mating disruption through different delivery methods. In the third manuscript, I set out to test vibrational playbacks as an enhancement to traps for monitoring and as a tool to disrupt mating in pear psylla in an orchard setting. The results showed that vibrational playback enhanced sticky card trap catch and was female-biased. Vibrational playback was more effective at reducing offspring when using white noise as vibrational playback, especially in the Anjou pear variety. The results from these experiments will contribute to the body of knowledge and tools for pear psylla IPM and as a basis for developing a similar tool for other pests that use vibrational communication.
Download or read book Biology of the Plant Bugs Hemiptera Miridae written by Alfred George Wheeler and published by Cornell University Press. This book was released on 2001 with total page 558 pages. Available in PDF, EPUB and Kindle. Book excerpt: Plant bugs--Miridae, the largest family of the Heteroptera, or true bugs--are globally important pests of crops such as alfalfa, apple, cocoa, cotton, sorghum, and tea. Some also are predators of crop pests and have been used successfully in biological control. Certain omnivorous plant bugs have been considered both harmful pests and beneficial natural enemies of pests on the same crop, depending on environmental conditions or the perspective of an observer.As high-yielding varieties that lack pest resistance are planted, mirids are likely to become even more important crop pests. They also threaten crops as insecticide resistance in the family increases, and as the spread of transgenic crops alters their populations. Predatory mirids are increasingly used as biocontrol agents, especially of greenhouse pests such as thrips and whiteflies. Mirids provide abundant opportunities for research on food webs, intraguild predation, and competition.Recent worldwide activity in mirid systematics and biology testifies to increasing interest in plant bugs. The first thorough review and synthesis of biological studies of mirids in more than 60 years, Biology of the Plant Bugs will serve as the basic reference for anyone studying these insects as pests, beneficial IPM predators, or as models for ecological research.
Download or read book The Taxonomy of the Western European Grasshoppers of the Genus Euchorthippus written by David Hollis and published by . This book was released on 1984 with total page 49 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Photodynamic Medicine written by Herwig Kostron and published by Royal Society of Chemistry. This book was released on 2016 with total page 680 pages. Available in PDF, EPUB and Kindle. Book excerpt: Comprehensive Series in Photochemical and Photobiological Sciences. Photodynamic therapy (PDT) is increasingly being used amongst health practitioners in combating a variety of disease. This book reviews the current state of development of PDT, and also presents the foreseeable advancements of the field in the next decade. Practitioners in biological sciences, biotechnology and medicinal and pharmaceutical chemistry will find this book an invaluable source of information. Chapters are drawn from research discusses at the 10th International Symposium on Photodynamic Therapy and Photodiagnosis in Clinical Practice in Brixen and are written and edited by leaders in the field. Mirroring the philosophy of that meeting, this book contains an informative balance of the basic sciences and clinical applications of PDT. Following an introduction to PDT, its history, and how techniques have developed, chapter serve as a practical guide for practitioners, covering topics such as sensitizer dosage and light dosage, and examples of relevant studies. The text goes further tp explore areas outside the medical field, such as the impact of PDT on society and the environment, and the economics of therapies. This book is dedicated to the memory of Professor Giulio Jori, and expert in this field, who sadly passed away on the 23rd December 2014.
Download or read book Annals of Applied Biology written by and published by . This book was released on 1920 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Citrus Pests in the Republic of South Africa written by E. C. G. Bedford and published by . This book was released on 1998 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Compendium of Umbelliferous Crop Diseases written by R. Michael Davis and published by . This book was released on 2002 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This compendium is an international account of diseases of umbelliferous crops and of practical guidelines for their control. Although emphasis is placed on carrot and celery, a large variety of edible umbelliferous plants is included".--Pref.
