Author: Daniel Robert FreundPublisher:
ISBN:
Category :
Languages : en
Pages : 70
Book Description
Effect of Management Practices on Fungicide Efficacy and Environmental Fate in Turfgrass Systems
Author: Daniel Robert FreundEnvironmental and Cultural Factors Affecting the Persistence and Efficacy of Fungicides on Golf Course Turfgrass
Author: Publisher:
ISBN:
Category :
Languages : en
Pages : 320
Book Description
Successful management of several turfgrass diseases, especially on intensively-maintained golf course turfgrass, requires repeated fungicide applications throughout the year. Repeat fungicide applications can have negative financial, environmental, and toxicological consequences and their use should be limited when possible. Research was developed to determine the factors that influence degradation of the common turfgrass fungicides chlorothalonil and iprodione in a winter environment and under varying temperatures from 2009-2012. Soil temperature, snow melt, and winter rains had the largest influence on fungicide degradation in a winter environment. Photodegradation, as influenced by the presence of absence of snow cover, did not impact fungicide degradation. Focusing on the influence of temperature, higher temperatures led to increased rates of degradation of both fungicides. The mechanisms most likely identified as the primary influences on degradation at higher temperatures were plant and bacterial metabolism. In addition to the activity of fungicides in the turfgrass environment, strategies for reducing fungicide inputs were also explored. Alternative fungicide timings in the spring, made well before the onset of dollar spot symptoms, delayed the onset of disease symptoms and reduced the number of fungicide applications by 1-2 required to successfully manage dollar spot. Disease-resistant creeping bentgrass cultivars such as `Declaration' and `Memorial' did reduce dollar spot and Typhula blight severity compared to older cultivars such as `Penncross,' but not to the degree where fungicide applications could be eliminated or significantly reduced. The cumulative effect of these studies has introduced new methods of studying and understanding the impact of the environment on turfgrass fungicides, and how simple strategies available today can reduce fungicide usage and enable more sustainable turfgrass management in the future.
Fate and Management of Turfgrass Chemicals
Author: John Marshall ClarkPublisher:
ISBN:
Category : Nature
Languages : en
Pages : 488
Book Description
This book is devoted to the study of turfgrass chemicals and pesticides, their effectiveness, and environmental impact. It looks at related health and occupational hazards and suggests ways to minimize the use of chemicals.
Effect of Irrigation Amount and Soil Surfactants on Fungicide Movement and Efficacy in Turfgrass Systems
Author: Wendell J HutchensEnvironmental Fate and Biological Impact of Aminocyclopyrachlor in Turfgrass and Neighboring Systems
Author: Dustin Franklin LewisPublisher:
ISBN:
Category :
Languages : en
Pages : 134
Book Description
The Future Role of Pesticides in US Agriculture
Author: National Research CouncilPublisher: National Academies Press
ISBN: 0309172942
Category : Technology & Engineering
Languages : en
Pages : 325
Book Description
Although chemical pesticides safeguard crops and improve farm productivity, they are increasingly feared for their potentially dangerous residues and their effects on ecosystems. The Future Role of Pesticides explores the role of chemical pesticides in the decade ahead and identifies the most promising opportunities for increasing the benefits and reducing the risks of pesticide use. The committee recommends R&D, program, and policy initiatives for federal agriculture authorities and other stakeholders in the public and private sectors. This book presents clear overviews of key factors in chemical pesticide use, including: Advances in genetic engineering not only of pest-resistant crops but also of pests themselves. Problems in pesticide useâ€"concerns about the health of agricultural workers, the ability of pests to develop resistance, issues of public perception, and more. Impending shifts in agricultureâ€"globalization of the economy, biological "invasions" of organisms, rising sensitivity toward cross-border environmental issues, and other trends. With a model and working examples, this book offers guidance on how to assess various pest control strategies available to today's agriculturist.
Turfgrass: Science and Culture
Author: James B BeardPublisher: Prentice Hall
ISBN:
Category : Computers
Languages : en
Pages : 682
Book Description
A classic and best-selling text for sod and turfgrass courses covering lawnkeeping and athletic groundskeeping.
PRACTICAL GUIDE TO TURFGRASS FUNGICIDES.
Author: RICHARD. LATINPublisher:
ISBN: 9780890546734
Category :
Languages : en
Pages :
Book Description
Microbial Control of Insect and Mite Pests
Author: Lawrence A. LaceyPublisher: Academic Press
ISBN: 0128035668
Category : Science
Languages : en
Pages : 484
Book Description
Microbial Control of Insect and Mite Pests: From Theory to Practice is an important source of information on microbial control agents and their implementation in a variety of crops and their use against medical and veterinary vector insects, in urban homes and other structures, in turf and lawns, and in rangeland and forests. This comprehensive and enduring resource on entomopathogens and microbial control additionally functions as a supplementary text to courses in insect pathology, biological control, and integrated pest management. It gives regulators and producers up-to-date information to support their efforts to facilitate and adopt this sustainable method of pest management. Authors include an international cadre of experts from academia, government research agencies, technical representatives of companies that produce microbial pesticides, agricultural extension agents with hands on microbial control experience in agriculture and forestry, and other professionals working in public health and urban entomology. - Covers all pathogens, including nematodes - Addresses the rapidly progressing developments in insect pathology and microbial control, particularly with regard to molecular methods - Demonstrates practical use of entomopathogenic microorganisms for pest control, including tables describing which pathogens are available commercially - Highlights successful practices in microbial control of individual major pests in temperate, subtropical, and tropical zones - Features an international group of contributors, each of which is an expert in their fields of research related to insect pathology and microbial control
Ecological Impacts of Toxic Chemicals
Author: Francisco Sánchez-Bayo, Paul J. van den Brink, Reinier M. MannPublisher: Francisco Sanchez-Bayo
ISBN: 1608051218
Category : Nature
Languages : en
Pages : 288
Book Description
Ecological Impacts of Toxic Chemicals presents a comprehensive, yet readable account of the known disturbances caused by all kinds of toxic chemicals on both aquatic and terrestrial ecosystems. Topics cover the sources of toxicants, their fate and distribution through the planet, their impacts on specific ecosystems, and their remediation by natural systems. Each chapter is written by well-known specialists in those areas, for the general public, students, and even scientists from outside this field. The book intends to raise awareness of the dangers of chemical pollution in a world dominated by industry and globalization of resources. Because the problems are widespread and far reaching, it is hoped that confronting the facts may prompt better management practices at industrial, agricultural and all levels of management, from local to governmental, so as to reduce the negative impacts of chemical contaminants on our planet.