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Author : Jim Jacobs
Publisher :
ISBN 13 :
Total Pages : 13 pages
Book Rating : 4.:/5 (968 download)
Download or read book Ecology and Management of Tansy Ragwort (Senecio Jacobaea L.) written by Jim Jacobs and published by . This book was released on 2009 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ruth E. Burroughs Lefevre
Publisher :
ISBN 13 :
Total Pages : 182 pages
Book Rating : 4.:/5 (229 download)
Download or read book Tansy Ragwort (Senecio Jacobaea L.) Habitat Variations in the State of Oregon written by Ruth E. Burroughs Lefevre and published by . This book was released on 1989 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Eric Coombs
Publisher :
ISBN 13 :
Total Pages : 8 pages
Book Rating : 4.:/5 (822 download)
Download or read book Tansy Ragwort, Senecio Jacobaea L. written by Eric Coombs and published by . This book was released on 1997 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Lorraine J. Holden
Publisher :
ISBN 13 :
Total Pages : 224 pages
Book Rating : 4.:/5 (222 download)
Download or read book Biological Control of Tansy Ragwort (Senecio Jacobaea L.) on a Disturbed Coastal Prairie in Del Norte County, California written by Lorraine J. Holden and published by . This book was released on 1989 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 1 pages
Book Rating : 4.:/5 (915 download)
Download or read book Tansy Ragwort (Senecio Jacobaea). written by and published by . This book was released on 2015 with total page 1 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : D. A. Friend
Publisher :
ISBN 13 :
Total Pages : 11 pages
Book Rating : 4.:/5 (68 download)
Download or read book The Biology and Ecology of Ragwort (Senecio Jacobaea L.) in Tasmania written by D. A. Friend and published by . This book was released on 1981 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 2 pages
Book Rating : 4.:/5 (89 download)
Download or read book Tansy Ragwort, Senecio Jacobaea written by and published by . This book was released on 2011* with total page 2 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Victoria. Vermin and Noxious Weeds Destruction Board
Publisher :
ISBN 13 : 9780724112838
Total Pages : 2 pages
Book Rating : 4.1/5 (128 download)
Download or read book Ragwort, Senecio Jacobaea L. written by Victoria. Vermin and Noxious Weeds Destruction Board and published by . This book was released on 1976 with total page 2 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ann Louise Baker
Publisher :
ISBN 13 :
Total Pages : 132 pages
Book Rating : 4.:/5 (297 download)
Download or read book Disk and Ray Achene Development and Germination Characteristics of Tansy Ragwort written by Ann Louise Baker and published by . This book was released on 1982 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Susan C. Turner
Publisher :
ISBN 13 : 9780772680631
Total Pages : 19 pages
Book Rating : 4.6/5 (86 download)
Download or read book Longitarsus Jacobaeae Swiss Biotype Effect on Tansy Ragwort (Senecio Jacobaea) in Naramata, British Columbia written by Susan C. Turner and published by . This book was released on 2022 with total page 19 pages. Available in PDF, EPUB and Kindle. Book excerpt: The flea beetle, Longitarsus jacobaeae (Swiss biotype), exhibited a classical biological control pattern on its host plant tansy ragwort (Senecio jacobaea L.) in Naramata, B.C. by rapidly increasing in number after its release and causing the decline of the plant. L. jacobaeae's presence was identified by approximately 1.6-mm2 feeding holes in the ragwort's leaves. L. jacobaeae fed preferentially on rosettes (p=0.0333) as opposed to bolted plants (p=0.4621). It caused a visibly significant decrease in the number of rosettes and bolted plants combined at the trial sites in 3-4 years (p=0.0221). From the point of release, L. jacobaeae dispersed 100 m over the study site in 4 years.
Author : Cathy Calloway
Publisher :
ISBN 13 :
Total Pages : 12 pages
Book Rating : 4.:/5 (983 download)
Download or read book Tansy Ragwort Control written by Cathy Calloway and published by . This book was released on 1998 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: Following a wildfire in 1994, the Tally Lake Ranger District in Northwestern Montana experienced a population explosion of Senecio jacobaea or tansy ragwort. This was only the second, and by far the largest infestation of this invasive weed in the state of Montana. Information derived from the Invaders Database was used to project the potential regional spread of tansy ragwort without management action. Historical records dating back to 1901 were used to project the likely future expansion of tansy ragwort within the five northwestern states. At a more local scale, with information from the Invaders Database and other sources, Dr. Rice was able to provide the Project Interdisciplinary Team with a tansy ragwort risk rating for disturbed and forested site conditions...The habitat type risk ratings, based on the Invaders Database, are being used to help set priorities for 1998 inventory efforts.
Author : Jules Janick
Publisher : John Wiley & Sons
ISBN 13 : 111910775X
Total Pages : 418 pages
Book Rating : 4.1/5 (191 download)
Download or read book Horticultural Reviews, Volume 43 written by Jules Janick and published by John Wiley & Sons. This book was released on 2015-10-12 with total page 418 pages. Available in PDF, EPUB and Kindle. Book excerpt: Horticultural Reviews presents state-of-the-art reviews on topics in horticultural science and technology covering both basic and applied research. Topics covered include the horticulture of fruits, vegetables, nut crops, and ornamentals. These review articles, written by world authorities, bridge the gap between the specialized researcher and the broader community of horticultural scientists and teachers.
Author :
Publisher :
ISBN 13 :
Total Pages : 1 pages
Book Rating : 4.:/5 (865 download)
Download or read book Ragwort, Senecio Jacobaea written by and published by . This book was released on 2013 with total page 1 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Alick Lindsay POOLE (and ADAMS (Jacqueline Nancy Mary))
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (54 download)
Download or read book Botanical Aspects of Ragwort-Senecio Jacobaea L.-Control written by Alick Lindsay POOLE (and ADAMS (Jacqueline Nancy Mary)) and published by . This book was released on 1940 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 308 pages
Book Rating : 4.3/5 (555 download)
Download or read book Flathead National Forest (N.F.), Tansy Ragwort Control Project, Flathead County written by and published by . This book was released on 1997 with total page 308 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Victor Hugo Naranjo R.
Publisher :
ISBN 13 :
Total Pages : 138 pages
Book Rating : 4.:/5 (167 download)
Download or read book Effect of Early Exposure of Tansy Ragwort (Senecio Jacobaea) on Future Grazing Preferences of Sheep written by Victor Hugo Naranjo R. and published by . This book was released on 1987 with total page 138 pages. Available in PDF, EPUB and Kindle. Book excerpt: Tansy ragwort (Senecio iacobea) is a widely distributed weed in the Pacific Northwest (U.S.A.) where it causes severe damage to the livestock industry. Sheep are highly resistant to toxic effects of ragwort, therefore, induction of ragwort preference in sheep was sought as a means to control this poisonous plant. The effect of two early exposure periods to tansy ragwort on future grazing preferences of five sheep genotypes was evaluated. Lambs were exposed at six months of age (ragwort fed fresh), and then at 15 months of age (ragwort fed as pellets). Four treatment groups were created; lambs exposed during both periods (T1), lambs exposed only during the first period (T2), lambs exposed only during the second period (T3), and lambs not exposed in either period (T4). Ragwort preferences were evaluated at 17 (Exp.l) and 19 (Exp. 2) months of age through direct grazing observation, and through plant observation before and after grazing. Experimental animals grazed in paddocks naturally infested with the weed. Results showed no treatment effects on preferences for tansy ragwort. In Exp.l consumption of the weed was so limited that comparisons were not possible between sheep genotypes nor between treatment groups. In Exp. 2 an interaction (p
Author : Roger L. Sheley
Publisher :
ISBN 13 :
Total Pages : 466 pages
Book Rating : 4.4/5 (91 download)
Download or read book Biology and Management of Noxious Rangeland Weeds written by Roger L. Sheley and published by . This book was released on 1999 with total page 466 pages. Available in PDF, EPUB and Kindle. Book excerpt: In addition to the theory and principles of weed management, this book provides information about twenty-nine of the most serious weeds in the West, including weed identification, origin, history and distribution, invasion potentials, biology and ecology, and specific management options. Full-color photographs and distribution maps help illustrate the plants and the invasive threat they pose. An invaluable resource for land managers, resource specialists, and students of natural resource management, Biology and Management of Noxious Rangeland Weeds provides practical, science-based information needed for sustainable weed management and land restoration.
