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Author :
Publisher :
ISBN 13 :
Total Pages : 48 pages
Book Rating : 4.3/5 (555 download)
Download or read book Eurasian Watermilfoil Control written by and published by . This book was released on 1972 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Haim B. Gunner
Publisher :
ISBN 13 :
Total Pages : 132 pages
Book Rating : 4.:/5 (319 download)
Download or read book Microbiological Control of Eurasian Watermilfoil written by Haim B. Gunner and published by . This book was released on 1990 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Vermont. Water Quality Division
Publisher :
ISBN 13 :
Total Pages : 148 pages
Book Rating : 4.:/5 (319 download)
Download or read book Eurasian Watermilfoil Chemical Treatment Plan written by Vermont. Water Quality Division and published by . This book was released on 1996 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : W. R. Green
Publisher :
ISBN 13 :
Total Pages : 19 pages
Book Rating : 4.:/5 (227 download)
Download or read book Aquatic Plant Control Research Program: 2,4-D Concentration and Exposure Time Relationships for the Control of Eurasian Watermilfoil written by W. R. Green and published by . This book was released on 1988 with total page 19 pages. Available in PDF, EPUB and Kindle. Book excerpt: Herbicide concentration and exposure time relationships were developed for 2,4-D and the control of Eurasian watermilfoil (Myriophyllum spicatum L.), under laboratory conditions using concentrations, exposure times, and biomass similar to field conditions. Fourteen 2,4-D concentrations (0.5,1.0, and 2.0 mg acid equivalent (ae)/l) and exposure time (12, 24, 36, 48, 60, and 72 hr) combinations were tested. Eurasian watermilfoil control was based on plant injury incurred, relative to that of untreated plants, and harvested biomass (4 weeks after treatment). Plant injury increased with increasing concentrations and exposure times to a threshold above which control was achieved. Severe Eurasian watermilfoil injury occurred in the 0.5 mg ae/l for 72-hr, 1.0 mg ae/l for 36-hr, and 2.0 mg ae/l for 24-hr exposures. Eurasian watermilfoil control was established in the 1.0 mg ae/l for 48 hr, and 2.0 mg ae/l for 36-hr, and 48-hr exposures. Control can be predicted for Eurasian watermilfoil treatments in both dynamic and static aquatic environments when plants remain in contact with 2,4-D concentrations greater than the developed threshold levels. Aquatic plant control, Eurasian watermilfoil; Herbicides. (mjm).
Author : Gary R. Buckingham
Publisher :
ISBN 13 :
Total Pages : 88 pages
Book Rating : 4.3/5 (91 download)
Download or read book Investigation of Two Insect Species for Control of Eurasian Watermilfoil written by Gary R. Buckingham and published by . This book was released on 1981 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report presents the results of the evaluation of two species of insects for the biological control of Eurasian watermilfoil (Myriophyllum spicatum L.). One of the species is a native weevil, Litodactylus leucogaster (Marsh.), which attacks the flower spikes, and the other is an accidentally introduced European moth, Acentria nivea (Oliver), whose larvae feed on the leaves and stems. The biology of L. leucogaster was studied in detail and host-specificity tests were conducted with adults and larvae. Since it was determined to be specific to watermilfoils, it was released at Crystal River, Florida, on 22 August 1979. Two adults were captured at Crystal River in November indicating possible establishment. The pyralid moth, A. nivea, was difficult to rear in the laboratory. Since the females were active only one night, successful matings were rare in the small colony. Larval production was best in containers that were minimally disturbed. the larvae required water temperatures below 22 C for development though they could survive short periods at higher temperatures. The larvae were not specific to milfoil; however, A. nivea may still be of interest as a member of a complex of species which attack milfoil. (Author).
Author :
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ISBN 13 :
Total Pages : 506 pages
Book Rating : 4.3/5 (555 download)
Download or read book Eurasian Watermilfoil Control written by and published by . This book was released on 1972 with total page 506 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (455 download)
Download or read book Eurasian Watermilfoil Control Using Contact Herbicide Phenological Timing written by and published by . This book was released on 1998 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This technical note evaluates the efficacy of the contact herbicide Aquathol-K upon the exotic weed Eurasian watermilfoil (Mynophyllum spicatum L.) when applications are timed to coincide with periods of low carbohydrate storage within the target plant. This herbicide demonstration study was based on previous phenological research to determine when Eurasian watermilfoil has the least amount of stored carbohydrates available for regrowth (Madsen 1997b). By timing the herbicide application with low total nonstructural carbohydrate storage, aquatic plant managers can maximize the effectiveness of the herbicide treatment.
Author : Ralph L. Nicholson
Publisher :
ISBN 13 :
Total Pages : 56 pages
Book Rating : 4.3/5 ( download)
Download or read book Mycoherbicide Control of Eurasian Watermilfoil written by Ralph L. Nicholson and published by . This book was released on 1991 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Oregon. Invasive Noxious Weed Control Program
Publisher :
ISBN 13 :
Total Pages : 2 pages
Book Rating : 4.:/5 (1 download)
Download or read book Eurasian Watermilfoil, Myriophyllum Spicatum, Aquatic Invader! written by Oregon. Invasive Noxious Weed Control Program and published by . This book was released on 2017 with total page 2 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Kurt D. Getsinger
Publisher :
ISBN 13 :
Total Pages : 63 pages
Book Rating : 4.:/5 (111 download)
Download or read book Demonstration and Evaluation of Eurasian Watermilfoil Control Using Aquatic Herbicides in Fort Peck Lake, MT written by Kurt D. Getsinger and published by . This book was released on 2019 with total page 63 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Gangstad
Publisher : CRC Press
ISBN 13 : 1351086154
Total Pages : 313 pages
Book Rating : 4.3/5 (51 download)
Download or read book Weed Control Methods For Recreation Facilities Management written by Gangstad and published by CRC Press. This book was released on 2018-01-18 with total page 313 pages. Available in PDF, EPUB and Kindle. Book excerpt: It is the purpose of this volume to survey and assess the management problems of recreation waters and to present case problems from the field in which the technical data, published literature, and the operations mechanics are given in sufficient detail to provide a format for practical analysis and application. Special emphasis has been given to measures of control of Eurasian watermilfoil.The primary and secondary uses of a body of water determine the need, frequency, and kind of aquatic plant control required to meet the needs of a specific situation. That is to say, a given body of water may be used primarily, or even exclusively for such activities as fishing, boating, or swimming, and the water itself may be used for domestic (potable water), industrial production, and/or agriculture. These uses may seem to be incompatible in themselves, but it is incumbent upon management to supply the optimum conditions for total water use.
Author : Dick E. Thayer
Publisher :
ISBN 13 :
Total Pages : 4 pages
Book Rating : 4.:/5 (418 download)
Download or read book 2,4-D and Eurasian Watermilfoil Control written by Dick E. Thayer and published by . This book was released on 1980 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Aquatic Plant Control Research Program (U.S. Army Engineer Waterways Experiment Station). Meeting
Publisher :
ISBN 13 :
Total Pages : 288 pages
Book Rating : 4.:/5 (359 download)
Download or read book Proceedings, 21st Annual Meeting, Aquatic Plant Control Research Program written by Aquatic Plant Control Research Program (U.S. Army Engineer Waterways Experiment Station). Meeting and published by . This book was released on 1987 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : William C. Zattau
Publisher :
ISBN 13 :
Total Pages : 48 pages
Book Rating : 4.:/5 (227 download)
Download or read book Aquatic Plant Control Research Program. A Survey of the Continental United States for Pathogens of Eurasian Watermilfoil written by William C. Zattau and published by . This book was released on 1988 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt: A survey of the continental United States for pathogens of Myriophyllum spicatum (Eurasian watermilfoil) was conducted. More than 50 water bodies, located in 10 states, were sampled for diseased plants. Sample sites represented a geographic and climatic cross section of aquatic systems in the continental United States, including ponds, lakes, reservoirs, rivers, and canals. At the conclusion of the survey, 792 isolates had been collected from tissue samples and maintained in pure culture. Of these, 462 were bacteria and 330 were fungi; many isolates were duplicates but were retained because they possibly represented different strains of the same species. Lytic enzyme assays indicated that 14 bacterial and 22 fungal isolates produced pectinase or cellulose. Enzyme assays were used to screen for the more promising isolates for additional study as potential biocontrol agents for the management of Eurasian watermilfoil. The 32 isolates were then assayed healthy sprigs of the target species in test tubes. Results indicated that five fungal isolates should be considered for additional study. Keywords: Biological weed control; Aquatic weeds; Aquatic plants. (kt).
Author :
Publisher :
ISBN 13 :
Total Pages : 59 pages
Book Rating : 4.:/5 (946 download)
Download or read book Whole-Lake Applications of SonarTM for Selective Control of Eurasian Watermilfoil written by and published by . This book was released on 2001 with total page 59 pages. Available in PDF, EPUB and Kindle. Book excerpt: The aquatic herbicide Sonar AS (fluridone) is being used in Northern tier states to selectively control the submersed exotic species Eurasian watermilfoil (Myrtophyllum spicatum L.) growing in lakes and reservoirs. Reliable quantitative information linking changes in the submersed plant community following fluridone applications is limited, particularly with respect to water residue records; therefore, a study was conducted to investigate the impact of low-dose fluridone treatments on the aquatic plant communities in eight lakes of southern Michigan The main objective of the study was to determine whether submersed plant species diversity and frequency were impacted by low-dose fluridone applications in the year of treatment, when targeting for Eurasian watermilfoil control. Secondary objectives included (a) determining fluridone effectiveness on the exotic submersed species curiyleafpondweed (Potamogeton cnspus L.), (b) evaluating shifts in plant species diversity at 1-year posttreatment, (c) measuring the effect of thermal stratification on water column distribution of fluridone residues, and (d) verifying laboratory-derived results of fluridone concentration and exposure time relationships with respect to efficacy against Eurasian watermilfoil.
Author : Raymond Melvin Newman
Publisher :
ISBN 13 :
Total Pages : 50 pages
Book Rating : 4.:/5 (313 download)
Download or read book The Potential for Biological Control of Eurasian Watermilfoil in Minnesota with Native and Naturalized Invertebrates written by Raymond Melvin Newman and published by . This book was released on 1993 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 24 pages
Book Rating : 4.:/5 (319 download)
Download or read book Selective Control of Eurasian Watermilfoil and Curlyleaf Pondweed Using Low Doses of Endthall Combined with 2, 4-D. written by and published by . This book was released on 2006 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
