Weed Alert, Yellow & Purple Nutsedge PDF Download
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Author: British Columbia. Ministry of Agriculture, Fisheries and Food
Publisher:
ISBN:
Category :
Languages : en
Pages : 1
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Book Description
Author: British Columbia. Ministry of Agriculture, Fisheries and Food
Publisher:
ISBN:
Category :
Languages : en
Pages : 1
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Book Description
Author:
Publisher:
ISBN:
Category : Environmental protection
Languages : en
Pages : 2
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Book Description
Author: E. W. Stoller
Publisher:
ISBN:
Category : Nutgrass
Languages : en
Pages : 20
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Book Description
Author: United States. Agricultural Research Service
Publisher:
ISBN:
Category : Weeds
Languages : en
Pages : 480
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Book Description
Author: E. W. Stoller
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 20
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Book Description
Author: Derek Duane Horrall
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Alternating tillage operations with glyphosate applications resulted in the greatest reduction in tuber number, weight, and viability at mid- and late-season sampling dates. In an herbicide screening study conducted for both purple and yellow nutsedge in the field, imazapic applied at the rate of 71g ha-1 early postemergence (EPOST) resulted in the greatest reduction of tuber numbers and tuber dry weights by July and September. Greenhouse studies indicated that EPOST applications of imazapic and imazethapyr 2 weeks after emergence (WAE) were more effective than those applied to purple and yellow nutsedge 4 and 6 WAE. Foliar-only treatments of purple and yellow nutsedge 2, 4, and 6 WAE provided better shoot control than soil-applied treatments. The greatest control of nutsedge, however, regardless of plant age, was obtained by treating both the foliage and soil. It was determined at the conclusion of a year-long greenhouse study that soil-applied imazapic provided better residual control of purple nutsedge than imazethapyr.
Author: United States. Agricultural Research Service
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 60
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Book Description
Author: P. G. Comeau
Publisher:
ISBN:
Category : Herbicides
Languages : en
Pages : 248
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Book Description
This proceedings contains submitted written summaries of presentations and discussions at a meeting of an expert committee on weed science and weed problem management. Topics of presentations included integrated weed management, weed-crop competition models, environmental impacts of herbicides, herbicide resistance in weeds, crop yield loss prediction models, biology and control of dandelion, formulation of biological control products, weed biology and ecology, decision support systems for weed control, bioassay, forestry herbicide use, and weed invasiveness mechanisms.
Author:
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ISBN:
Category : Nutgrass
Languages : en
Pages : 1
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Author: Robert Zimdahl
Publisher: Academic Press
ISBN: 0323149421
Category : Technology & Engineering
Languages : en
Pages : 465
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Book Description
Fundamentals of Weed Science provides an introduction to the basic principles of weed science for undergraduate courses. It discusses several aspects of weed biology and control, and traces the history of herbicide development. The book begins with an introduction to weeds, covering their definition, characteristics, harmful aspects, and the cost of weed control. This is followed chapters on weed classification, the uses of weeds, weed biology, weed ecology, allelopathy, the significance of plant competition, weed management and control methods, and biological weed control. Later chapters deal with herbicidesthe most important weed control tools and the ones with the greatest potential for untoward effects. Students of weed science must understand herbicides and the factors governing their use as well as the potential for misuse. These chapters discuss chemical weed control, the properties and uses of herbicides, factors affecting herbicide performance, herbicide application, herbicide formulation, ecological impact of herbicides, pesticide registration and legislation, weed management systems, and the future of weed science.
