Grain Sorghum Response To Postemergence Applications Of Mesotrione And Quizalofop

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Grain Sorghum Response to Postemergence Applications of Mesotrione and Quizalofop

Author : Mary Joy Manacpo Abit
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (696 download)

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Book Synopsis Grain Sorghum Response to Postemergence Applications of Mesotrione and Quizalofop by : Mary Joy Manacpo Abit

Download or read book Grain Sorghum Response to Postemergence Applications of Mesotrione and Quizalofop written by Mary Joy Manacpo Abit and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Growth chamber, greenhouse and field experiments using conventional grain sorghum were conducted to 1) evaluate the differential response of grain sorghum hybrids to POST application of mesotrione at various rates and application timings, and 2) determine the physiology of tolerance of grain sorghum hybrids to mesotrione. Sorghum response ranged from susceptible to tolerant. Mesotrione dose-response studies on four sorghum hybrids revealed that injury symptoms were greatest in Pioneer 85G01 and least in Asgrow Seneca. Mesotrione applied EPOST (early POST) injured sorghum more than when applied at MPOST (mid POST) or LPOST (late POST) timings. Observed injury symptoms were not well correlated with grain yield and were transient, thus injury did not reduce sorghum grain yield. Foliar absorption or translocation of mesotrione in tolerant hybrids did not differ with that of susceptible hybrids but metabolism was more rapid in tolerant than in susceptible hybrids. Initial grain sorghum injury was severe and will likely be a major concern to producers. Field and growth chambers studies were conducted on herbicide-resistant grain sorghum to 1) determine the effect of quizalofop rates, application timings, and herbicide tank mixes on acetyl-coenzyme A carboxylase (ACCase)-resistant grain sorghum injury and yield, and 2) determine if herbicide metabolism is an additional mechanism that could explain the resistance of ACCase- and acetolactate synthase (ALS)-resistant grain sorghum. Depending on rate, EPOST application caused the greatest injury while the least injury occurred with LPOST application. Crop injury from quizalofop was more prominent at rates higher than the proposed use rate (62 g ha [superscript]-1) in grain sorghum. Sorghum grain yield was not affected by quizalofop regardless of rates or application timings. Weed control was greater when quizalofop was applied with other herbicides than when applied alone. Herbicide treatments except those that included 2,4-D caused slight to no sorghum injury. Results of the quizalofop metabolism study do not support the involvement of differential metabolism in the observed response of grain sorghum to quizalofop. Rimsulfuron metabolism by ALS-resistant sorghum is more rapid than the susceptible genotypes, thus explaining the observed rapid recovery of grain sorghum plants from rimsulfuron injury in the field.

Postemergence Weed Management in Acetolactate Synthase (ALS) Resistant Grain Sorghum

Author :
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (449 download)

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Book Synopsis Postemergence Weed Management in Acetolactate Synthase (ALS) Resistant Grain Sorghum by :

Download or read book Postemergence Weed Management in Acetolactate Synthase (ALS) Resistant Grain Sorghum written by and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Field experiments were conducted to evaluate the efficacy of nicosulfuron and nicosulfuron + rimsulfuron applied alone or in combination with various broadleaf herbicides in acetolactate synthase (ALS)-resistant grain sorghum. Herbicides were applied when weeds were 5 to 15 cm in height. Overall weed control was greater when nicosulfuron + rimsulfuron were applied with other herbicides than when it was applied alone. Results indicated that postemergence (POST) application of nicosulfuron and nicosulfuron + rimsulfuron is effective at controlling grasses including barnyardgrass, green foxtail, and giant foxtail. The research also showed that broadleaf weed control was more effective when nicosulfuron + rimsulfuron were applied with other broadleaf herbicides. A field study was conducted to evaluate the differential response of ALS-resistant grain sorghum to POST applications of nicosulfuron + rimsulfuron at three growth stages. Grain sorghum was treated with nicosulfuron + rimsulfuron at the 3- to 5-leaf, 7- to 9-leaf, or 11- to 13-leaf collar stage. Nicosulfuron + rimsulfuron injured grain sorghum when applied at the 3- to 5-leaf, and 7- to 9-leaf collar stage, however, sorghum yields and plant height were only reduced for the 3- to 5-leaf collar stage. Results indicated that nicosulfuron + rimsulfuron application at the 3- to 5-leaf collar stage injured ALS-resistant grain sorghum, but application at 7- to 9-leaf and 11- to 13-leaf collar stages did not result in grain yield reduction. Greenhouse experiments were conducted to evaluate the efficacy, absorption, and translocation of nicosulfuron, rimsulfuron, and nicosulfuron + rimsulfuron. Barnyardgrass, green foxtail, longspine sandbur, and large crabgrass were treated at 5 to 10 cm in height. Barnyardgrass GR[subscript]50 was the lowest and was the most susceptible to all herbicides whereas, large crabgrass had the highest GR[subscript]50 for all herbicides and was the most tolerant. Barnyardgrass and large crabgrass were treated with [superscript]14 C-nicosulfuron, [superscript]14 C-rimsulfuron, or both and radioactivity was recovered at 7 DAT. Barnyardgrass absorption and translocation of nicosulfuron, rimsulfuron and nicosulfuron + rimsulfuron was higher than large crabgrass. Results may indicate that greater absorption and translocation of the herbicides may attribute to the differential response of the species to nicosulfuron, rimsulfuron, and nicosulfuron + rimsulfuron.

Pyrasulfotole & Bromoxynil Response in Grain Sorghum

Author : Nathan Gerard Lally
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (747 download)

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Book Synopsis Pyrasulfotole & Bromoxynil Response in Grain Sorghum by : Nathan Gerard Lally

Download or read book Pyrasulfotole & Bromoxynil Response in Grain Sorghum written by Nathan Gerard Lally and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Postemergent herbicide options for grain sorghum are limited and increasingly challenged by the development of herbicide resistant weeds. The herbicide pyrasulfotole & bromoxynil (P & B) was evaluated for potential use in grain sorghum and for control of a suspected HPPD-resistant Palmer amaranth population. Field experiments were conducted near Manhattan and Rossville, KS, to evaluate grain sorghum response to P & B with and without 2,4-D applied to growth stages from 1-leaf through the flag leaf stage and tankmixed with 2,4-D ester, amine, or dicamba applied to 3- and 6-leaf sorghum. The addition of 2,4-D ester did not reduce sorghum injury from P & B alone. Increasing the rate of P & B increased injury. Treatments applied to 1- and 4-leaf sorghum were injured the most. All P & B treated sorghum, regardless of timing, yielded 8 to 20% less than the untreated check. Pyrasulfotole & bromoxynil applied alone or with dicamba injured sorghum less than 2,4-D applied at 3- or 6-leaf. Increasing the rate from 140 to 280 g ha[superscript]-1 2,4-D amine or ester increased injury by 6 to 11%. Yields were lowest when P & B was applied with 2,4-D amine at 140 g ha[superscript]-1 and 2,4-D amine or ester at 280 g ha[superscript]-1 compared to all other treatments. Increasing the rate of growth regulator herbicides decreased yields by 8% and did not reduce crop injury from P & B alone. Greenhouse and field experiments were conducted to evaluate the response of two suspected P & B-resistant (R1 & R2) and one susceptible (S) Palmer amaranth population to P & B, atrazine, and tembotrione. Herbicides were applied when plants were 7 to 19 cm tall. The S population was controlled with less than field use rates. A resistance index (RI) of 4.8 to 11.0 was determined for R1 and R2 in greenhouse and field experiments. Tembotrione controlled 100% of S in all experiments, while providing 63 to 86% injury to R1 and R2 populations. Atrazine did not control the resistant populations. Pyrasofotole & bromoxynil will be an valuable tool for weed control in sorghum, however, Palmer amaranth populations exist that will not be controlled.

Herbicides and Plant Physiology

Author : Andrew H. Cobb
Publisher : John Wiley & Sons
ISBN 13 : 1444322494
Total Pages : 311 pages
Book Rating : 4.4/5 (443 download)

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Book Synopsis Herbicides and Plant Physiology by : Andrew H. Cobb

Download or read book Herbicides and Plant Physiology written by Andrew H. Cobb and published by John Wiley & Sons. This book was released on 2011-06-09 with total page 311 pages. Available in PDF, EPUB and Kindle. Book excerpt: Herbicides make a spectacular contribution to modern crop production. Yet, for the development of more effective and safer agrochemicals, it is essential to understand how these compounds work in plants and their surroundings. This expanded and fully revised second edition of Herbicides and Plant Physiology provides a comprehensive and up-to-date account of how modern herbicides interact with target plants, and how they are used to manage crop production. In addition, the text: Provides a current account of the importance of weeds to crop yield and quality; Describes how new herbicides are discovered and developed; Examines precise sites of herbicide action and mechanisms of herbicide selectivity and resistance; Reviews commercial and biotechnological applications, including genetically engineered herbicide resistance in crops; Suggests new areas for future herbicide development; Includes many specially prepared illustrations. As a summary of diverse research information, this second edition of Herbicides and Plant Physiology is a valuable reference for students and researchers in plant physiology, crop production/protection, plant biochemistry, biotechnology and agriculture. All libraries in universities, agricultural colleges and research establishments where these subjects are studied and taught will need copies of this excellent book on their shelves.

Herbicides

Author : Marcelo Larramendy
Publisher : BoD – Books on Demand
ISBN 13 : 9533079754
Total Pages : 626 pages
Book Rating : 4.5/5 (33 download)

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Book Synopsis Herbicides by : Marcelo Larramendy

Download or read book Herbicides written by Marcelo Larramendy and published by BoD – Books on Demand. This book was released on 2011-01-08 with total page 626 pages. Available in PDF, EPUB and Kindle. Book excerpt: The content selected in Herbicides, Theory and Applications is intended to provide researchers, producers and consumers of herbicides an overview of the latest scientific achievements. Although we are dealing with many diverse and different topics, we have tried to compile this "raw material" into three major sections in search of clarity and order - Weed Control and Crop Management, Analytical Techniques of Herbicide Detection and Herbicide Toxicity and Further Applications. The editors hope that this book will continue to meet the expectations and needs of all interested in the methodology of use of herbicides, weed control as well as problems related to its use, abuse and misuse.

Spray Drift Management

Author : Primary Industries Standing Committee
Publisher : CSIRO PUBLISHING
ISBN 13 : 9780643068353
Total Pages : 88 pages
Book Rating : 4.0/5 (683 download)

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Book Synopsis Spray Drift Management by : Primary Industries Standing Committee

Download or read book Spray Drift Management written by Primary Industries Standing Committee and published by CSIRO PUBLISHING. This book was released on 2002 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt: This practical guide focuses on managing the risks of spray drift and includes information on appropriate handing practices to ensure a safe workplace.

Georgia Pest Management Handbook

Author : Emily Cabrera
Publisher : University of Georgia Press
ISBN 13 : 0820361577
Total Pages : 264 pages
Book Rating : 4.8/5 (23 download)

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Book Synopsis Georgia Pest Management Handbook by : Emily Cabrera

Download or read book Georgia Pest Management Handbook written by Emily Cabrera and published by University of Georgia Press. This book was released on 2021-03-30 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Georgia Pest Management Handbook provides current information on selection, application, and safe use of pest control chemicals. This handbook has recommendations for pest control around homes and on pets; for pests of home garden vegetables, fruits, and ornamentals; and for pests of public health interest associated with our homes. Cultural, biological, physical, and other types of control are recommended where appropriate. Pesticide recommendations are based on information on the manufacturer labels and on performance data from research and extension trials at the University of Georgia and its sister institutions. Because environmental conditions, the severity of pest pressure, and methods of application vary widely, recommendations do not imply that performance of pesticides will always be acceptable. This publication is intended to be used only as a guide. Trade and brand names are used only for information. The University of Georgia does not guarantee nor warrant published standards on any product mentioned; nor does the use of a trade or brand name imply approval of any product to the exclusion of others that may also be suitable. Always follow the use instructions and precautions on the pesticide label. For questions, concerns, or improvement suggestions regarding the Georgia Pest Management Handbook, please contact your county agent.

S-metolachlor

Author :
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (841 download)

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Book Synopsis S-metolachlor by :

Download or read book S-metolachlor written by and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Herbicide-Resistant Crops

Author : Stephen O. Duke
Publisher : CRC Press
ISBN 13 : 1351081640
Total Pages : 436 pages
Book Rating : 4.3/5 (51 download)

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Book Synopsis Herbicide-Resistant Crops by : Stephen O. Duke

Download or read book Herbicide-Resistant Crops written by Stephen O. Duke and published by CRC Press. This book was released on 2018-01-18 with total page 436 pages. Available in PDF, EPUB and Kindle. Book excerpt: Edited by a recognized leader in the field, Herbicide-Resistant Crops is the first book to cover all of the issues related to the controversial topic of herbicide-resistant crops. It provides extensive discussions of the modern biotechnological methods that have been used to develop such crops, and reviews the implications - both positive and negative - of developing crops that are resistant to herbicides. The creation and anticipated applications of specific herbicide-resistant crops are also discussed. In addition, the book covers the potential impact of herbicide-resistant crops on weed management practices and the environment, and presents issues related to the regulation and economics of these crops. The editor has brought together a diverse group of professionals, representing the several distinct areas impacted by the new technology of herbicide-resistant crops. The wide range of viewpoints presented in this book creates a balanced and complete survey, providing a notable contribution to the literature.

Integrated Weed Management in Australian Cropping Systems

Author : Therese McGillion
Publisher :
ISBN 13 : 9781920932572
Total Pages : 248 pages
Book Rating : 4.9/5 (325 download)

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Book Synopsis Integrated Weed Management in Australian Cropping Systems by : Therese McGillion

Download or read book Integrated Weed Management in Australian Cropping Systems written by Therese McGillion and published by . This book was released on 2006 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt: With herbicide resistance a growing concern in Australia's cropping industries, the IWM manual describes a broad range of chemical and nonchemical tactics for weed management aimed at reducing the weed seedbank and also reliance on herbicides. The manual is largely written for farm advisors with contributions from some of Australia's leading weed scientists.

Weed Science

Author : Thomas J. Monaco
Publisher : John Wiley & Sons
ISBN 13 : 0471274968
Total Pages : 688 pages
Book Rating : 4.4/5 (712 download)

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Book Synopsis Weed Science by : Thomas J. Monaco

Download or read book Weed Science written by Thomas J. Monaco and published by John Wiley & Sons. This book was released on 2002-05-23 with total page 688 pages. Available in PDF, EPUB and Kindle. Book excerpt: The updated edition of the classic, fundamental book on weedscience Weed Science provides a detailed examination ofthe principles of integrated weed management with important detailson how chemical herbicides work and should be used. This revisedFourth Edition addresses recent developments affecting weedscience. These include the increased use of conservation-tillagesystems, environmental concerns about the runoff of agrochemicals,soil conservation, crop biotechnology, resistance of weeds andcrops to herbicides, weed control in nonagricultural settings andconcerns regarding invasive plants, wetland restoration, and theneed for a vastly improved understanding of weed ecology. Current management practices are covered along with guidance forselecting herbicides and using them effectively. To serve as a moreefficient reference, herbicides are cross-listed by chemical andbrand name and grouped by mechanism of action and physiologicaleffect rather than chemical structure. In addition, an introductionto organic chemistry has been added to familiarize readers withorganic herbicides. Also included are guidelines on weed-controlpractices for specific crops or situations, such as small grains,row crops, horticultural crops, lawns and turf, range land, brush,and aquatic plant life. Generously supplemented with 300 drawings, photographs, andtables, Weed Science is an essential book for students taking anintroductory course in weed science, as well as a reference foragricultural advisors, county agents, extension specialists, andprofessionals throughout the agrochemical industry.

Herbicide Classes in Development

Author : Peter Böger
Publisher : Springer
ISBN 13 : 9783642639722
Total Pages : 0 pages
Book Rating : 4.6/5 (397 download)

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Book Synopsis Herbicide Classes in Development by : Peter Böger

Download or read book Herbicide Classes in Development written by Peter Böger and published by Springer. This book was released on 2011-09-23 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Chemical pest control is in use in practically every country in the world since agrochemicals play a decisive role in ensuring food supply and protection against damage by pests, insects and pathogenic fungi. Particularly in the half century since World War II, food production has risen dramatically in most parts of the world. In the last 20 years, the yield of major crops has roughly doubled in Western agriculture and there is still the potential for further achievements, particularly in the developing countries. The world's cereal and rice production, now more than 2 billion tons/year, has to increase by 2. 4% annually to cope with the rising food demand caused mainly by the growing population and improvement of living standards in most of the developing countries. Such a demand for food has to be achieved by higher yields from the restricted arable land already in use. Global farm land resources are about 1. 4 billion ha, of which 1. 2 billion ha is cultivated with major crops. Experts agree that a future substantial addition of new produc tive areas is unlikely. Those with a high yield potential are already in use; new fields with a lower output may possibly be obtained by cultivation of arid or cold areas. More recently, new areas of large-scale farmland have been devel oped in tropical regions of Latin America, primarily in Argentina and Brazil, at the cost of the destruction of tropical rain forest.

Herbicides

Author : Andrew Price
Publisher : BoD – Books on Demand
ISBN 13 : 9535122185
Total Pages : 184 pages
Book Rating : 4.5/5 (351 download)

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Book Synopsis Herbicides by : Andrew Price

Download or read book Herbicides written by Andrew Price and published by BoD – Books on Demand. This book was released on 2015-11-26 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt: Herbicides are one of the most widely used groups of pesticides worldwide for controlling weedy species in agricultural and non-crop settings. Due to the extensive use of herbicides and their value in weed management, herbicide research remains crucial for ensuring continued effective use of herbicides. Presently, a wide range of research continues to focus on improved herbicide use and weed biology. The authors of Herbicides, Agronomic Crops and Weed Biology cover multiple topics concerning current valuable herbicide research.

Liming Acid Soils

Author : J. W. Schwartz
Publisher :
ISBN 13 :
Total Pages : 4 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Liming Acid Soils by : J. W. Schwartz

Download or read book Liming Acid Soils written by J. W. Schwartz and published by . This book was released on 1979 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Weed Management Handbook

Author : Robert E. L. Naylor
Publisher : John Wiley & Sons
ISBN 13 : 0470750383
Total Pages : 432 pages
Book Rating : 4.4/5 (77 download)

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Book Synopsis Weed Management Handbook by : Robert E. L. Naylor

Download or read book Weed Management Handbook written by Robert E. L. Naylor and published by John Wiley & Sons. This book was released on 2008-04-15 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt: Weed Management Handbook updates the 8th edition of Weed Control Handbook (1990). The change in the title and contents of the book from previous editions reflects both the current emphasis on producing crops in a sustainable and environmentally-friendly manner, and the new weed management challenges presenting themselves. This landmark publication contains cutting edge chapters, each written by acknowledged experts in their fields and carefully drawn together and edited by Professor Robert Naylor, known and respected world-wide for his knowledge of the area. The sequence of chapters included reflects a progression from the biology of weeds, through the underpinning science and technology relating to weed management techniques including herbicides and their application to crops, leading to principles of weed management techniques. Finally a set of relevant case studies describes the main management options available and addresses the challenges of reduced chemical options in many crops. Weed Management Handbook is a vital tool for all those involved in the crop protection / agrochemical industry, including business managers, horticultural and agricultural scientists, plant physiologists, botanists and those studying and teaching BASIS courses. As an important reference guide for undergraduate and postgraduate students studying horticultural and agricultural sciences, plant physiology, botany and crop protection, copies of the book should be available on the shelves of all research establishments and universities where these subjects are studied and taught. Weed Management Handbook is published for the British Crop Protection Council (BCPC) by Blackwell Publishing.

Biological Resources and Migration

Author : Dietrich Werner
Publisher : Springer Science & Business Media
ISBN 13 : 9783540214700
Total Pages : 400 pages
Book Rating : 4.2/5 (147 download)

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Book Synopsis Biological Resources and Migration by : Dietrich Werner

Download or read book Biological Resources and Migration written by Dietrich Werner and published by Springer Science & Business Media. This book was released on 2004-06-09 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt: Migration of humans and animals, plants and even microbes is a ubiquitous global phenomenon. This book covers all forms of migration - plant, microbial, animal or human - and their mutual impact in detail. The contributions in this book are the result of an innovative International Conference and OECD Workshop aimed at triggering off the interdisciplinary dialogue between natural scientists and socioeconomists.

Glyphosate Resistance in Crops and Weeds

Author : Vijay K. Nandula
Publisher : John Wiley & Sons
ISBN 13 : 1118043545
Total Pages : 258 pages
Book Rating : 4.1/5 (18 download)

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Book Synopsis Glyphosate Resistance in Crops and Weeds by : Vijay K. Nandula

Download or read book Glyphosate Resistance in Crops and Weeds written by Vijay K. Nandula and published by John Wiley & Sons. This book was released on 2010-12-28 with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt: New technologies are becoming available for managing glyphosate resistant (GR) weeds and reducing their spread. GR crop technology has revolutionized crop production in the developed world and the benefits are gradually spilling over to the developing world. In order to sustain an effective, environmentally safe herbicide such as glyphosate and the GR crop technology well in to the future, it is imperative that the issue of GR weeds be comprehensively understood. This book provides such an essential, up-to-date source of information on glyphosate resistance for researchers, extension workers, land managers, government personnel, and other decision makers. Provides comprehensive coverage of the intensely studied topic of glyphosate resistant (GR) in crops Details the development of glyphosate resistance and how to detect and manage the problem in crops Helps standardize global approaches to glyphosate resistance Encompasses interdisciplinary approaches in chemistry, weed science, biochemistry, plant physiology, plant biotechnology, genetics, ecology Includes a chapter on economic analysis of GR impact on crops