Influence of Insecticides on the Pecan Nut Casebearer, Acrobasis Nuxvorella Nuenzig, (Lepidoptera: Pyrallidae) and Non-target Arthropods Inhabiting Pecan Tree Canopies PDF Download
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Author: Chao-Feng Chen
Publisher:
ISBN:
Category : Insect pests
Languages : en
Pages : 102
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Book Description
Author: Chao-Feng Chen
Publisher:
ISBN:
Category : Insect pests
Languages : en
Pages : 102
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Book Description
Author: Emilie Anne Hartfield
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
The pecan nut casebearer, Acrobasis nuxvorella Neunzig (Lepidoptera: Pyralidae) is the most damaging insect pest of pecan, Carya illinoinensis (Wang) K. Koch (Fagales: Juglandaceae). Two sex pheromones have been identified for this species and are currently being used to assist pecan growers in the timing of insecticide applications. The discovery that there are two pheromone types produced by A. nuxvorella has led to complications in the implementation of pheromone monitoring programs. One pheromone (referred to as standard) is attractive to moths in the southern US, but not in Mexico. The other pheromone (referred to as Mexican) is attractive to moths in the southern US and in Mexico. Because most male lepidopterans respond only to a specific pheromone, it was suspected that there were two pheromone strains of A. nuxvorella, one exclusively present in the northern distribution of A. nuxvorella (US strain) and the other widely distributed from Sonora, Chihuahua, and Durango in Northern Mexico to Texas, Georgia, and Oklahoma in the US (Mexican strain). In order to confirm the existence of the two alleged pheromone strains, AFLP markers were obtained and analyzed, male response to pheromones was observed and phenological differences were assessed. Additionally, the relative abundance of each of the two pherotypes was evaluated and the population structure of this pest across its geographic distribution was determined. Results of genetic analysis show that the genetic differentiation between these insects is not explained by pheromone type. This information is further supported by a pheromone assay in which a large proportion of US collected A. nuxvorella males and Mexican collected A. nuxvorella males chose both pheromones when tested multiple times. Furthermore, no phenological differences were detected between the two pherotypes in the US, although significantly more male A. nuxvorella in the US are attracted to field-deployed pheromone traps baited with the standard pheromone than the Mexican pheromone. Finally, population genetic analyses indicate a high degree of genetic structure in A. nuxvorella across its geographic distribution, with the genetically distinct populations occurring in areas where A. nuxvorella is not native, but has been introduced.
Author: John Christopher Romero
Publisher:
ISBN:
Category : Pecan
Languages : en
Pages : 118
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Author: Douglass Edward Stevenson
Publisher:
ISBN:
Category :
Languages : en
Pages : 646
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Author: Richard Allen Grantham
Publisher:
ISBN:
Category :
Languages : en
Pages : 212
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Author: Clarence Bobo Nickels
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 28
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Author: Matthew Chappell
Publisher:
ISBN: 9780985499846
Category :
Languages : en
Pages :
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Book Description
IPM for Shrubs in Southeastern US Nursery Production Volume II is the third book released by the Southern Nursery Integrated Pest Management Working Group (SNIPM). The first two books are available for download as chapter .pdf files at http://wiki.bugwood.org/SNIPM and as an eBook from the iTunes Bookstore https://itunes.apple.com/us/book/ipm-for-select-deciduous-trees/id541182125?mt=11 and https://itunes.apple.com/us/book/ipm-for-shrubs-in southeastern/id903114207?mt=11
Author: Tarlochan S. Dhadialla
Publisher: Academic Press
ISBN: 0123915007
Category : Nature
Languages : en
Pages : 564
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Book Description
Advances in Insect Physiology is committed to publishing volumes containing comprehensive and in-depth reviews on all aspects of insect physiology. First published in 1963, these volumes are an essential reference source for invertebrate physiologists, insect neurobiologists, entomologists, zoologists and insect biochemists. This volume is themed on small RNAs and RNAi in insects. Contains comprehensive and in-depth reviews. Essential reference source for invertebrate physiologists, insect neurobiologists, entomologists, zoologists and insect biochemists. This volume is themed on small RNAs and RNAi in insects.
Author: Aliazam Abbasfar
Publisher: Springer Science & Business Media
ISBN: 1402063911
Category : Technology & Engineering
Languages : en
Pages : 94
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Book Description
This book introduces turbo error correcting concept in a simple language, including a general theory and the algorithms for decoding turbo-like code. It presents a unified framework for the design and analysis of turbo codes and LDPC codes and their decoding algorithms. A major focus is on high speed turbo decoding, which targets applications with data rates of several hundred million bits per second (Mbps).
Author: Waqas Wakil
Publisher: Academic Press
ISBN: 0128135085
Category : Science
Languages : en
Pages : 374
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Book Description
Sustainable Management of Arthropod Pests of Tomato provides insight into the proper and appropriate application of pesticides and the integration of alternative pest management methods. The basis of good crop management decisions is a better understanding of the crop ecosystem, including the pests, their natural enemies, and the crop itself. This book provides a global overview of the biology and management of key arthropod pests of tomatoes, including arthropod-vectored diseases. It includes information that places tomatoes in terms of global food production and food security, with each pest chapter including the predators and parasitoids that have specifically been found to have the greatest impact on reducing that particular pest. In-depth coverage of the development of resistance in tomato plants and the biotic and abiotic elicitors of resistance and detailed information about the sustainable management of tomato pests is also presented. Provides basic biological and management information for arthropod pests of tomato from a global perspective, encompassing all production types (field, protected, organic) Includes chapters on integrated management of tomato pests and specific aspects of tomato pest management, including within protected structures and in organic production Presents management systems that have been tested in the real-world by the authors of each chapter Fully illustrated throughout with line drawings and color plates that illustrate key pest and beneficial arthropods associated with tomato production around the world
