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Investigation Of Two Insect Species For Control Of Eurasian Watermilfoil
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Book Synopsis Investigation of Two Insect Species for Control of Eurasian Watermilfoil by : Gary R. Buckingham
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).
Book Synopsis Surveys for Insects that Feed on Eurasian Watermilfoil, Myriophyllum Spicatum, and Hydrilla, Hydrilla Verticillata, in the People's Republic of China, Japan, and Korea by : Gary R. Buckingham
Download or read book Surveys for Insects that Feed on Eurasian Watermilfoil, Myriophyllum Spicatum, and Hydrilla, Hydrilla Verticillata, in the People's Republic of China, Japan, and Korea written by Gary R. Buckingham and published by . This book was released on 1998 with total page 131 pages. Available in PDF, EPUB and Kindle. Book excerpt: Many of the most important aquatic nuisance plants are immigrants that arrived in the United States without their respective natural enemies. These include, among others, alligatorweed, water hyacinth, water lettuce, water chestnut, hydrilla, and Eurasian watermilfoil. The first two species have been controlled at many sites and reduced throughout much of their range by insects imported from their native homes and released into the environment. This method of control is called classical biological control. The objectives of this study were (a) to identify and visit diverse regions of P.R. China, Japan, and Korea that had hydrilla and Eurasian watermilfoil, (b)to collect herbivorous insects on the target species and on related species, (c) to note the life cycles and types of damage for the insects, (d) to carry living specimens of promising species to the Gainesville, FL, quarantine facility, and (e) to establish colonies of the insects in quarantine for companion biology and host range studies.
Book Synopsis Development of a Biological Control Program for Eurasian Watermilfoil (Myriophyllum Spicatum) by : Matthew J. W. Cock
Download or read book Development of a Biological Control Program for Eurasian Watermilfoil (Myriophyllum Spicatum) written by Matthew J. W. Cock and published by . This book was released on 2008 with total page 33 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Investigation of Inter- and Intraspecific Genetic Variability of Euhrychiopsis Lecontei, a Biological Control Agent for the Management of Eurasian Watermilfoil by : Lara Diane Roketenetz
Download or read book Investigation of Inter- and Intraspecific Genetic Variability of Euhrychiopsis Lecontei, a Biological Control Agent for the Management of Eurasian Watermilfoil written by Lara Diane Roketenetz and published by . This book was released on 2015 with total page 99 pages. Available in PDF, EPUB and Kindle. Book excerpt: Euhrychiopsis lecontei (milfoil weevils) have been used as a native, augmentative biological control agent in the management of the invasive aquatic weed, Myriophyllum spicatum (Eurasian watermilfoil), since the 1990's. Although much research has been conducted on E. lecontei's life history and effectiveness as a biological control agent, detailed genetic characterization of the weevil and its close relatives has been lacking in the literature. The current studies sought to fill this gap in knowledge by collecting molecular genetic data for this important native insect. Characterization of interspecific diversity, via the examination of mitochondrial DNA of E. lecontei and other members of the tribe Phytobiini, suggest that the North American members of this group are sister species (E. lecontei and Parenthis vestitus) as are European members (Eubrychius velutus and Phytobius leucogaster) of the group. This study therefore supports the hypothesis that this group of milfoil specialists shares a recent common ancestor that colonized aquatic habitats and utilized one or more Myriophyllum species as a host. Intraspecific studies utilizing mitochondrial and microsatellite DNA of E. lecontei were also performed. These data indicate that while the species shows some geographic structuring on a continental scale, population-level studies indicate high levels of panmixia with relatively high rates of inbreeding. Since the continued management of Eurasian watermilfoil represents a large economic and ecological burden across the United States and Canada, studies such as these are of particular value in determining if E. lecontei has suitable viability as a native biological control agent for this invasive plant.
Book Synopsis Controlling Hydrilla and Eurasian Watermilfoil With Fungal Pathogens from the People's Republic of China by :
Download or read book Controlling Hydrilla and Eurasian Watermilfoil With Fungal Pathogens from the People's Republic of China written by and published by . This book was released on 1999 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This technical note describes screening of fungal pathogens collected in The People's Republic of China for efficacy on hydrilla (Hydrilla verticillata (L.f.) Royle) and Eurasian watermilfoil or milfoil (Myriophyllum spicatum L.). Results of this research will be used to determine the direction of future efforts in using classical pathogen biological control research for management of these two nuisance aquatic weed species.
Book Synopsis Annual Report on Civil Works Activities of the Chief of Engineers for FY ... by : United States. Army. Corps of Engineers
Download or read book Annual Report on Civil Works Activities of the Chief of Engineers for FY ... written by United States. Army. Corps of Engineers and published by . This book was released on 1979 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Selected Water Resources Abstracts by :
Download or read book Selected Water Resources Abstracts written by and published by . This book was released on 1990 with total page 710 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)
Book Synopsis Proceedings, 21st Annual Meeting, Aquatic Plant Control Research Program by : Aquatic Plant Control Research Program (U.S. Army Engineer Waterways Experiment Station). Meeting
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:
Book Synopsis Investigation of 2,4-D DMA Drift and Control of Eurasian Water Milfoil in Lake Osoyoos, Washington by : Stuart Kip Julin
Download or read book Investigation of 2,4-D DMA Drift and Control of Eurasian Water Milfoil in Lake Osoyoos, Washington written by Stuart Kip Julin and published by . This book was released on 1985 with total page 114 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 :302 pages Book Rating :4.3/5 (121 download)
Book Synopsis Proceedings, 27th Annual Meeting, Aquatic Plant Control Research Program by : Aquatic Plant Control Research Program (U.S. Army Engineer Waterways Experiment Station). Meeting
Download or read book Proceedings, 27th 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 1993 with total page 302 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Aquatic Plant Control Research Program. Microbiological Control of Eurasian Watermilfoil by : H. B. Gunner
Download or read book Aquatic Plant Control Research Program. Microbiological Control of Eurasian Watermilfoil written by H. B. Gunner and published by . This book was released on 1983 with total page 29 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cellulolytic and pectinolytic microorganisms were isolated from the microbial populations naturally resident in the phyllosphere of Eurasian watermilfoil, Myriophyllum spicatum and of M. heterophyllum. The yield of their respective operative enzymes was maximized by growth in appropriate cellulose and pectin media; the organisms, when subsequently applied to the plants, accelerated the plants' necrosis and decline. That cellulose and pectin are particularly vulnerable target tissues in Myriophyllum spp. was confirmed by the significant increase in plant necrosis achieved over untreated controls by the simple addition of sterile cellulose and pectin media to respective test chambers. Presumably this reflected and selective stimulus provided by these substrates to the resident cellulolytic and pectinolytic microflora. A consortium of cyanobacteria associated with Myriophyllum was also found to accelerate necrosis, as did its sterile growth medium; again, presumably, as a reflection of the selective stimulus provided to the cyanobacteria in the phyllosphere. The species determination of phyllosphere residents was reflected in the significantly higher pathogenic potential of the isolates from M. spicatum to that species than to M. heterophyllum.
Book Synopsis Report of the Chief of Engineers U.S. Army by : United States. Army. Corps of Engineers
Download or read book Report of the Chief of Engineers U.S. Army written by United States. Army. Corps of Engineers and published by . This book was released on 1978 with total page 1530 pages. Available in PDF, EPUB and Kindle. Book excerpt: Includes the Report of the Mississippi River Commission, 1881-19 .
Author :United States. Army. Corps of Engineers. Civil Works Directorate Publisher : ISBN 13 : Total Pages :112 pages Book Rating :4.3/5 (129 download)
Book Synopsis Annual Report of the Chief of Engineers on Civil Works Activities by : United States. Army. Corps of Engineers. Civil Works Directorate
Download or read book Annual Report of the Chief of Engineers on Civil Works Activities written by United States. Army. Corps of Engineers. Civil Works Directorate and published by . This book was released on 1979 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Annual Report of the Chief of Engineers, U.S. Army, on Civil Works Activities by : United States. Army. Corps of Engineers
Download or read book Annual Report of the Chief of Engineers, U.S. Army, on Civil Works Activities written by United States. Army. Corps of Engineers and published by . This book was released on with total page 1524 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Technical Abstract Bulletin written by and published by . This book was released on with total page 1048 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Eurasian Watermilfoil Control written by and published by . This book was released on 1972 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Miscellaneous Publication written by and published by . This book was released on 1983 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt:
