Characterisation Of Neonicotinoid Resistance In The Cotton Aphid Aphis Gossypii From Australian Cotton
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Author | : Kate L. Langfield |
Publisher | : |
Total Pages | : 0 |
Release | : 2017 |
Genre | : Cotton |
ISBN | : |
The cotton aphid, Aphis gossypii Glover (Hemiptera: Aphididae), is a highly polyphagous pest that inflicts serious damage to a broad range of agricultural, horticultural and greenhouse crops. In Australia, A. gossypii is a significant pest of cotton and is difficult to control with insecticides because of its high propensity to develop resistance. Neonicotinoids are among the most effective insecticides used to control A. gossypii but the most recent detection of resistance threatens their longevity. Consequently, I aimed to restore neonicotinoid efficacy against A. gossypii through elucidation of underlying resistance mechanism(s). Bioassay was used to measure thiamethoxam (neonicotinoid) response in three field strains collected from commercial cotton. A second trial investigated the use of phorate (an organophosphate) as an alternative pre-germination treatment to thiamethoxam. PCR-Sequencing was employed to identify if mutation R81T known to confer resistance to neonicotinoid compounds was present in Australian A. gossypii. High-throughput sequencing of the A. gossypii transcriptome found differences in gene expression associated wit hthiamethoxam resistance. Two transcripts involved in the detoxification of xenobiotics (putatively annotated as cytochrome p450 gene 6K1-like) were found differentially expressed between resistant and suceptible strains. Transcript expression was further validated by qRT-PCR and showed a similar tendency in upregulation of expression. As such I identified this gene as the strongest candidate for thiamethoxam resistant A. gossypii. This study has generated a comprehensive transcriptome resource for A. gossypii that has characterised the expression of numerous important transcripts encoding proteins involved in insecticide resistance. Consequently, my study will contribute to future research relating to molecular characterization of insecticide resistance mechanisms in A. gossypii and other insect pests.
Author | : Grant Alexander Herron |
Publisher | : |
Total Pages | : 34 |
Release | : 2005 |
Genre | : Cotton |
ISBN | : 9780734716767 |
Author | : Grant Alexander Herron |
Publisher | : |
Total Pages | : 15 |
Release | : 1995 |
Genre | : Cotton |
ISBN | : 9780731057368 |
Author | : Eric F. Hequet |
Publisher | : Texas Tech University Press |
Total Pages | : 208 |
Release | : 2006 |
Genre | : Reference |
ISBN | : 9780896725904 |
An essential reference for anyone searching for ways to avoid or mitigate the problem of cotton stickiness.
Author | : Helmut F van Emden |
Publisher | : CABI |
Total Pages | : 716 |
Release | : 2017-08-23 |
Genre | : Technology & Engineering |
ISBN | : 1780647093 |
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.
Author | : Jörg Romeis |
Publisher | : Springer Science & Business Media |
Total Pages | : 451 |
Release | : 2008-07-01 |
Genre | : Technology & Engineering |
ISBN | : 1402083734 |
Insect pests remain one of the main constraints to food and fiber production worldwide despite farmers deploying a range of techniques to protect their crops. Modern pest control is guided by the principles of integrated pest management (IPM) with pest resistant germplasm being an important part of the foundation. Since 1996, when the first genetically modified (GM) insect-resistant maize variety was commercialized in the USA, the area planted to insect-resistant GM varieties has grown dramatically, representing the fastest adoption rate of any agricultural technology in human history. The goal of our book is to provide an overview on the role insect-resistant GM plants play in different crop systems worldwide. We hope that the book will contribute to a more rational debate about the role GM crops can play in IPM for food and fiber production.
Author | : Omkar |
Publisher | : Springer Nature |
Total Pages | : 515 |
Release | : 2020-10-12 |
Genre | : Science |
ISBN | : 9811561494 |
Sucking pests are most notorious group of pests for agricultural crops. Unlike most pests with chewing mouth parts, sucking pests cause more severe damage to the crops and are complex to get identified until advanced stages of infection. Not only is this late detection detrimental to their effective control, sucking pests also often cause fungal growth and virus transmission. The book emphasizes on sucking pests of most major crops of India. It aims to reflect Indian scenario before the international readership. This book complies comprehensive information on sucking pests of crops and brings the attention of the readers to this multiple damage causing insect complex. The chapters are contributed by highly experienced Indigenous experts from Universities & ICAR institutes, and book collates useful content for students and young researchers in plant pathology, entomology and agriculture.
Author | : Edith Marion Patch |
Publisher | : |
Total Pages | : 30 |
Release | : 1925 |
Genre | : Cotton aphid |
ISBN | : |
Author | : Zulqurnain Khan |
Publisher | : CRC Press |
Total Pages | : 533 |
Release | : 2022-03-14 |
Genre | : Science |
ISBN | : 1000535622 |
Cotton Breeding and Biotechnology presents information on one of the most economically important crops of the world, cotton. This book contains chapters on the history of cotton; breeding approaches; technologies for increasing germination, crop growth and yield; and fiber quality issues. It emphasizes sustainable development in the cotton industry analysing the progress of breeding technologies under environmental adversity. The book explores the national and global status of cotton crop, including cotton production, possible impacts of climate change, and the vulnerability of cotton to pest infestations and disease attacks. Features Focuses on cotton breeding and biotechnology Proposes ideas, data, and strategies to mount breeding programs for enhancing cotton production Details strategies for cotton quality improvement against abiotic and biotic stresses Emphasizes the revival of cotton in Pakistan and South Asian region This book is useful to researchers, cotton breeders and growers, farmers, and the agriculture industry.
Author | : A. Ciancio |
Publisher | : Springer Science & Business Media |
Total Pages | : 366 |
Release | : 2007-07-20 |
Genre | : Science |
ISBN | : 1402060610 |
This, the first volume of the ‘Integrated Management of Plant Pests and Diseases’ book series, presents general concepts on integrated pest and disease management. Section one includes chapters on infection models, resurgence and replacement, plant disease epidemiology and effects of climate change in tropical environments. The second section includes remote sensing and information technology. Finally, the third section covers molecular aspects of the subject.