Biological Control of Aquatic Weeds with Plant Pathogens PDF Download
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Author: Thomas Edward Freeman
Publisher:
ISBN:
Category : Aquatic plants
Languages : en
Pages : 36
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Book Description
Author: Thomas Edward Freeman
Publisher:
ISBN:
Category : Aquatic plants
Languages : en
Pages : 36
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Book Description
Author: Thomas Edward Freeman
Publisher:
ISBN:
Category : Aquatic plants
Languages : en
Pages : 27
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 28
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Book Description
In the early 1970's, an effort was initiated to locate and isolate pathogenic organisms for use in the biological control of aquatic plants with special reference to waterhyacinth. This report describes the exhaustive search which has been conducted both in the United States and in several foreign countries. Informaton on laboratory and field research studies is presented as well as the current state of the art in this area of aquatic plant management research. (Author).
Author: Thomas Edward Freeman
Publisher:
ISBN:
Category : Aquatic weeds
Languages : en
Pages : 80
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Book Description
Author:
Publisher:
ISBN:
Category : Aquatic plant control
Languages : en
Pages : 76
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Book Description
Author:
Publisher:
ISBN:
Category : Aquatic weeds
Languages : en
Pages : 39
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Book Description
Author: R. Charudattan
Publisher: John Wiley & Sons
ISBN:
Category : Gardening
Languages : en
Pages : 328
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Book Description
Author: Elizabeth Ann Bernhardt
Publisher:
ISBN:
Category : Aquatic weeds
Languages : en
Pages : 82
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Book Description
Author: Inderjit
Publisher: Springer Science & Business Media
ISBN: 9401705526
Category : Science
Languages : en
Pages : 550
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Book Description
Weeds hold an enigmatic and sometimes-controversial place in agriculture, where they are generally reviled, grudgingly tolerated, and occasionally admired. In most cases, growers make considerable effort to reduce the negative economic impact of weeds because they compete with crops for resources and hinder field operations, thereby affecting crop productivity and quality, and ultimately the sustainability of agriculture. Weed control in production agriculture is commonly achieved through the integration of chemical, biological, and mechanical management methods. Chemicals (herbicides) usually inhibit the growth and establishment of weed plants by interfering with various physiological and biochemical pathways. Biological methods include crop competition, smother crops, rotation crops, and allelopathy, as well as specific insect predators and plant pathogens. Mechanical methods encompass an array of tools from short handled hoes to sophisticated video-guided robotic machines. Integrating these technologies, in order to relieve the negative impacts of weeds on crop production in a way that allows growers to optimize profits and preserve human health and the environment, is the science of weed management.
Author: D.O. TeBeest
Publisher: Springer Science & Business Media
ISBN: 1461596807
Category : Technology & Engineering
Languages : en
Pages : 284
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Book Description
It is appropriate at this time to reflect on two decades of research in biological control of weeds with fungal plant pathogens. Some remarkable events have occurred in the last 20 years that represent a flurry of activity far beyond what could reasonably have been predicted. In 1969 a special topics review article by C. L. Wilson was published in Annual Reviews of Phytopathology that examined the literature and the potential for biological control of weeds with plant pathogens. In that same year, experiments were conducted in Arkansas that determined whether a fungal plant pathogen could reduce the infestation of a single weed species in rice fields. In Florida a project was under way to determine the potential use of a soil-borne plant pathogen as a means for controlling a single weed species in citrus groves. Work in Australia was published that described experiments that sought to determine whether a pathogen could safely and deliberately be imported and released into a country to control a weed of agricultural importance. All three projects were successful in the sense that Puccinia chondrillina was released into Australia to control rush skeleton weed and was released later into the United States as well, and that Colletotrichum gloeosporioides f.sp. aeschynomene and Phytophthora palmivora were later both marketed for the specific purpose of controlling specific weed species.
