Download or read book Aphid Host Plant Interactions with Special Reference to Plant Physiological Changes written by Lilian R. Blanco and published by . This book was released on 1994 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Aphids as Plant Pests From Biology to Green Control Technology written by Julian Chen and published by Frontiers Media SA. This book was released on 2024-01-19 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt: Aphids (Hemiptera: Aphidoidea) are one of the most important and destructive agriculture pests causing serious economic losses by both nutrient robbing and transmitting plant viruses. 100 species of Aphididae have exploited the agricultural environment successfully to the extent that they are of significant economic importance, among them 15 aphid species of most agricultural importance. Aphids are piecing-sucking insect pests with the mouthparts (stylets) to penetrate plant cells to feed phloem sap from sieve elements. The feeding process of aphids is similar to pathogen infestation, and plenty of evidence demonstrate that the interplay between aphid and host plants follows the pathogen-plant Zigzag model. During the process of probing and feeding, aphids, like plant pathogens, secreted some salivary proteins as effectors (or elicitors) into their host plants cell intercellularly and intracellularly to mediate aphid-plant interactions, such as eliciting or suppressing plant defense responses. Aphids also vector plant viruses, and the relationship between each organismal pair affects the overall outcome of this biological interaction. Aphids contained endosymbionts, and the symbionts influence interaction between the aphids and their host plants and between aphids and their natural enemies, further impacting this network of biological interactions. Advances in understanding aphids biology, and these interactions at the physiological, molecular, and ecological levels will provide fundamental knowledge, and develop novel green control strategies for insect pests as well as vector pathogens.
Download or read book Insect Plant Interactions written by Elizabeth A. Bernays and published by CRC Press. This book was released on 2019-10-01 with total page 171 pages. Available in PDF, EPUB and Kindle. Book excerpt: First Published in 1989, this book explores the relationship between plants and insects and the ways in which they interact with each other. Carefully compiled and filled with a vast repertoire of notes, diagrams, and references this book serves as a useful reference for students of oncology, and other practitioners in their respective fields.
Download or read book Aphid Plant Interactions written by Sarwan Kumar and published by . This book was released on 2018 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Aphids are important herbivores and important pest of many field and forest crops. They have specialized long and flexible stylets which are adapted to feeding on phloem sap. To establish successful feeding on host plant, they need to counter a range of both physical and chemical defenses. The defenses employed by plants can have direct effect on the aphid species through difficulty in establishing successful feeding due to the presence of trichomes, thick cell wall, etc. or effect on their biology with lethal consequences in extreme cases (direct defenses). In contrast to this, plants can attract natural enemies of aphids through the release of volatile compounds (the so-called ,Äúcry or call for help,Äù) (indirect defense). The information on different defense strategies employed by plants can be utilized to enhance the level of resistance (R) to develop sustainable pest management strategies.
Download or read book Proceedings of the 10th International Symposium on Insect Plant Relationships written by Stephen J. Simpson and published by Springer Science & Business Media. This book was released on 1999-09-30 with total page 306 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of the 10th Symposium on Insect-Plant Relations
Download or read book Aphids as Virus Vectors written by Kerry F. Harris and published by Elsevier. This book was released on 2014-05-10 with total page 576 pages. Available in PDF, EPUB and Kindle. Book excerpt: Aphids as Virus Vectors focuses on aphids as vectors of plant viruses and the fundamentals of their relationship with virus and host. The mouthparts and feeding mechanism of aphids are discussed, along with aphid penetration of plant tissues and the transmission mechanisms of aphids as virus vectors. The intrinsic properties and taxonomy of aphid-borne viruses are also examined. Comprised of 22 chapters, this book begins with an overview of the importance of aphids as vectors, their biology, and the properties of the viruses they transmit. These introductory chapters prepare the reader for later ones on aphid-virus-plant interactions. The next section deals with transmission mechanisms, with emphasis on several novel alternatives to many of the traditionally held concepts of how aphids transmit viruses. Accessory factors in non-persistent virus transmission are considered. Subsequent chapters focus on technological advances in aphid-virus research, including the use of aphid cell culturing, radioisotope methodology, membrane feeding, and electrical measurement systems. The most promising frontiers in epidemiological and control-oriented research are discussed in the last two sections. This monograph will be a useful resource for researchers from such varied sciences as entomology, plant science, and virology, as well as for graduate students taking entomology and plant pathology courses on insects in relation to plant diseases.
Download or read book Aphids as Crop Pests 2nd Edition written by Helmut F van Emden and published by CABI. This book was released on 2017-08-23 with total page 716 pages. Available in PDF, EPUB and Kindle. Book excerpt: Aphids are among the major global pest groups, causing serious economic damage to many food and commodity crops in most parts of the world. This revision and update of the well-received first edition published ten years ago reflects the expansion of research in genomics, endosymbionts and semiochemicals, as well as the shift from control of aphids with insecticides to a more integrated approach imposed by increasing resistance in the aphids and government restrictions on pesticides. The book remains a comprehensive and up-to-date reference work on the biology of aphids, the various methods of controlling them and the progress of integrated pest management as illustrated by ten case histories.
Download or read book Generalist and Specialist Aphid Host Plant Interaction written by Reham Sadek and published by LAP Lambert Academic Publishing. This book was released on 2014-08-25 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt: The present study aimed to investigate the effect of altering host plant on the mortality, Fitness and growth rate of the generalist and specialist aphids. 1.There was a significant increase in mortality of generalist aphids on Z. mays but low mortality on V. fabae. Mortality of specialist aphids was significantly low among V. fabae host plant and C. acutum. 2.The generalist aphids showed the highest fitness, growth rate and performance on V. fabae whereas specialist aphids showed lower fitness, growth rate and performance on V. fabae than on C. acutum. The generalist aphids took significantly different time to complete their development than specialists on V. fabae. 3. Biochemical plant secondary metabolites content among three aphid infested host plants The biochemical changes in plant secondary metabolites due to aphid infestation had been investigated. Host plant defence secondary metabolites differs from studied non host or toxic plants. The physiological changes in aphid enzymes among three different host plants had been investigated. Host plant alteration cause changes in enzymes activities between generalist aand specialist aphids.
Download or read book Sieve Elements written by H.-D. Behnke and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 311 pages. Available in PDF, EPUB and Kindle. Book excerpt: This detailed overview of the structure of the sieve elements of the major plant groups, from algae to flowering plants, includes extant and extinct groups, revealing both common and divergent solutions to the problem of long-distance assimilate transport.
Download or read book Experimental Techniques in Host Plant Resistance written by Akshay Kumar Chakravarthy and published by Springer. This book was released on 2019-04-24 with total page 301 pages. Available in PDF, EPUB and Kindle. Book excerpt: The earliest land-plants evolved around 450 million years ago from aquatic plants devoid of vascular systems. The diversification of flowering plants (angiosperms) during the Cretaceous period is associated with speciation in insects. Early insect herbivores were mandibulate, but the evolution of vascular plants led to the co-evolution of other forms of herbivory, such as leaf feeding, sap-sucking, leaf mining, tissue borer, gall forming and nectar-feeding. Plant defense against biotic stress is an adaptive evolution by plants to increase their fitness. Plants use a variety of strategies to defend against damage caused by herbivores. Plant defense mechanisms are either inbuilt or induced. Inbuilt mechanisms are always present within the plant, while induced defenses are produced or mobilized to the site where a plant is injured. Induced defense mechanisms include morphological, physiological changes and production of secondary metabolites. Host plant resistance (HPR) is one of the eco-friendly methods of pest management. It protects the crop by making it less suitable or tolerant to the pest. While books on theoretical aspects of HPR are available, an exclusive book on the practical aspects is lacking. There is a wide gap between the theory and the experimental procedures required for conducting studies on plant resistance for the post graduate students and young researchers. A dire need for a book on practical aspects was strongly felt. Initially a practical manual was prepared which eventually evolved into the present book. We hope this book provides information on major aspects of screening crop germplasm, sampling techniques, genetic and biochemical basis of HPR, behavioural studies on pheromone and plant volatiles, and some of the recent approaches in HPR. Further, the references provide the scientific articles and books as additional information to readers and workers alike.
Download or read book Specialization Speciation and Radiation written by Kelley Jean Tilmon and published by Univ of California Press. This book was released on 2008 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This volume captures the state-of-the-art in the study of insect-plant interactions, and marks the transformation of the field into evolutionary biology. The contributors present integrative reviews of uniformly high quality that will inform and inspire generations of academic and applied biologists. Their presentation together provides an invaluable synthesis of perspectives that is rare in any discipline."--Brian D. Farrell, Professor of Organismic and Evolutionary Biology, Harvard University "Tilmon has assembled a truly wonderful and rich volume, with contributions from the lion's share of fine minds in evolution and ecology of herbivorous insects. The topics comprise a fascinating and deep coverage of what has been discovered in the prolific recent decades of research with insects on plants. Fascinating chapters provide deep analyses of some of the most interesting research on these interactions. From insect plant chemistry, behavior, and host shifting to phylogenetics, co-evolution, life-history evolution, and invasive plant-insect interaction, one is hard pressed to name a substantial topic not included. This volume will launch a hundred graduate seminars and find itself on the shelf of everyone who is anyone working in this rich landscape of disciplines."--Donald R. Strong, Professor of Evolution and Ecology, University of California, Davis "Seldom have so many excellent authors been brought together to write so many good chapters on so many important topics in organismic evolutionary biology. Tom Wood, always unassuming and inspired by living nature, would have been amazed and pleased by this tribute."--Mary Jane West-Eberhard, Smithsonian Tropical Research Institute
Download or read book Aphid plant Genotype Interactions written by Russell K. Campbell and published by Elsevier Publishing Company. This book was released on 1990 with total page 396 pages. Available in PDF, EPUB and Kindle. Book excerpt: The great majority of the contributions to be found in this volume result from oral presentations given at a symposium during the XVIII International Congress of Entomology entitled Mechanisms of Aphid-Plant Genotype Interactions, which was held in Vancouver, Canada in July, 1988. Aphids represent a vast and diverse assemblage of insects. Among these are many of great economic importance by virtue of their detrimental effects to important crop or ornamental plants. Even those aphids having little or no economic impact, or that cause no damage to their hosts except nutrient removal, may yet be of great theoretical interest in that their often intimate association with their hosts provides excellent systems for the study of the evolution of adaptation. Other factors, such as environmental influences, and associations with pathogenic, saprophytic, or symbiotic microorganisms, may play an influential role in modifying the ultimate outcome of aphid-plant interactions. Substantive future progress towards the elucidation of these processes can only be expected if much greater understanding is obtained of the interactions of all the organisms involved in the plant based community.
Download or read book Biology and Ecology of Aphids written by Andreas Vilcinskas and published by CRC Press. This book was released on 2016-02-22 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt: Most people know of aphids as garden pests, infesting the soft green tissues of plants in vast numbers and killing them by sucking out the sap. Indeed, among the 4000 or so known species of aphids about 250 are pests, and in temperate regions several are economically important agricultural pests that damage crops directly during feeding or act as v
Download or read book Plant Pest Interactions From Molecular Mechanisms to Chemical Ecology written by Indrakant K. Singh and published by Springer Nature. This book was released on 2021-01-18 with total page 474 pages. Available in PDF, EPUB and Kindle. Book excerpt: As food producers, plants are constantly under attack by insects. Over the course of evolution, plants have not only developed a sophisticated defense apparatus but have also refined biochemical defense mechanisms to protect themselves, thereby maintaining the ecological balance. Plant-pest interactions induce an elaborate array of reactions involving the release of volatile compounds, effector and signaling molecules, trans-membrane proteins, and a variety of enzymes and hormones. This book offers a comprehensive guide to the strategies that plants employ against insects and other pests to ensure their continued survival. Addressing an important gap in the literature, it shares the latest findings in the field of plant–pest interactions for a broad audience. Providing an overview of the current state of knowledge on plant-pest interactions and their role in the genetic improvement of crops, it offers an essential guide for researchers and professionals in the fields of agriculture, plant pathology, entomology, cell biology, molecular biology and genetics.
Download or read book Introduction to Ecological Biochemistry written by J. B. Harborne and published by Gulf Professional Publishing. This book was released on 1993 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ecological biochemistry concerns the biochemistry of interactions between animals, plants and the environment, and includes such diverse subjects as plant adaptations to soil pollutants and the effects of plant toxins on herbivores. The intriguing dependence of the Monarch butterfly on its host plants is chosen as an example of plant-animal coevolution in action. The ability to isolate trace amounts of a substance from plant tissues has led to a wealth of new research, and the fourth edition of this well-known text has consequently been extensively revised. New sections have been provided on the cost of chemical defence and on the release of predator-attracting volatiles from plants. New information has been included on cyanogenesis, the protective role of tannins in plants and the phenomenon of induced defence in plant leaves following herbivory. Advanced level students and research workers aloke will find much of value in this comprehensive text, written by an acknowledged expert on this fascinating subject. The book covers the biochemistry of interactions between animals, plants and the environment, and includes such diverse subjects as plant adaptations to soil pollutants and the effects of plant toxins on herbivores The intriguing dependence of the Monarch butterfly on its host plants is chosen as an example of plant-animal coevolution in action New sections have been added on the cost of chemical defence and on the release of predators attracting volatiles from plants New information has been included on cyanogenesis, the protective role of tannins in plants and the phenomenon of induced defence in plant leaves following herbivory
Download or read book Aphid Biodiversity under Environmental Change written by Pavel Kindlmann and published by Springer Science & Business Media. This book was released on 2010-07-01 with total page 197 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the results of recent research on aphid population dynamics and ecology relevant to current environmental changes resulting from global wa- ing. It incorporates a selection of the contributions presented at the International Symposium on Aphids in Fremantle, Australia, in October 2005, plus some ad- tional invited chapters. The objective was to incorporate the major issues in the ?eld and simultaneously create a closely interrelated and integrated volume. The ?rst chapter sets the scene. Kindlmann and Dixon present a critical review of existing models of aphid population dynamics, examine the biological assumptions that are incorporated in the models and present one of the latest models of aphid metapopulation dynamics. They conclude that natural enemies are unlikely to affect aphid population dynamics late in a season, but in some years may have an effect very early in the season, when aphid colonies are still small and predators might be able to reduce the numbers of colonies. The question, whether aphids will move to different locations, adapt to the change in conditions in their current habitat or go extinct is discussed by Ameixa. She concludes that the distributions of aphids are most likely to change, with the distribution of each species moving globally as their preferred habitat moves in response to changes in the climate, which may be more dif?cult than in the past because of habitat fragmentation and habitat loss.
