Is this normal for rose bush? Or is it rose rosette disease?
Fayth Khoo
3 years ago
last modified: 3 years ago
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rifis (zone 6b-7a NJ)
3 years agoFayth Khoo
3 years agolast modified: 3 years agoRelated Discussions
Rose Rosette Disease. Are The Knock Out Rosesî to blame?
Comments (1)I'm glad to see Paul killing the rumor....See MoreClean beds help prevent rose diseases plus rose rosette discussio
Comments (4)And the article is from someone in Yorktown VA. Less than accurate is this: Rose rosette disease, first documented in 1941, is traced to the multiflora rose, which came from Japan in 1866 as a common rootstock for ornamental roses. Unfortunately, it was found that multiflora roses are bad because a single plant can produce a million or more viable seeds; over time, the roses have become invasive weeds with enormous disease problems. Multiflora was first introduced as a garden plant. NOT as a rootstock. Multiflora spread not from rootstock but from the USDA's encouragement of its use as a substitute for barbed wire, as a stabilizer for stream banks, to prevent erosion from strip mining, etc. And the disease problem is a single disease....See MoreFirst report of rose rosette disease caused by Rose rosette virus on K
Comments (6)I added what I had on Friday. I can see the addition, but it was never recorded in the number of posts???? Title: "First report of rose rosette disease caused by Rose rosette virus on Knock Out roses in Louisiana." Author(s) : Singh, R.; Valverde, R.; Cook, M.; Owings, A. Author Affiliation : Department of Plant Pathology and Crop Physiology, Louisiana State University Agricultural Center, Baton Rouge, LA 70803, USA. Author Email : rsingh@agcenter.lsu.edu Journal article : Plant Health Progress 2016 No.August pp.PHP-BR-16-0022 ref.1 Abstract : " To the authors' knowledge, this is the first report of rose rosette disease caused by Rose rosette virus on Knock Out roses in Louisiana. It is difficult to assess the total value of roses in Louisiana but this disease has the potential to negatively impact the thriving rose industry in the state."...See Moreevaluation-of-rose-germplasm-for-resistance-to-rose-rosette-disease-a
Comments (6)The link above worked for me. When I find a link that does not work, I often can find the article by putting the title in quotes and putting it into Google. In this case this results in: https://www.google.com/search?num=100&newwindow=1&source=hp&ei=FNPfWq2vI4fusQW-h72QBA&q=%22evaluation-of-rose-germplasm-for-resistance-to-rose-rosette-disease-a%22&oq=%22evaluation-of-rose-germplasm-for-resistance-to-rose-rosette-disease-a%22&gs_l=psy-ab.12...1664.16166.0.18919.4.3.0.0.0.0.127.317.1j2.3.0....0...1.1j2.64.psy-ab..1.1.126.0..35i39k1.0.4DcrZxeltkQ I have a copy of the thesis, but it is copyrighted so I cannot post it. If you have a specific question about it, I can answer the question by putting small sections in quotes. "Table of contents: Chapter 1 INTRODUCTION : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : page 1 - 22 2 SCREENING OF ROSA GERMPLASM FOR RESISTANCE TO ROSE ROSETTE DISEASE UNDER FIELD CONDITIONS : : : page 23 - 45 3 GRAFT AND MECHANICAL TRANSMISSION STUDIES OF ROSE ROSETTE VIRUS : : : : : : : : : : : : : : : : : : : : : : : : : page 46 - 54 4 BIOLOGICAL CONTROL OF PHYLLOCOPTES FRUCTIPHILUS (ACARI: ERIOPHYIDAE) USING PREDATORY MITES FROM THE FAMILY PHYTOSEIIDAE (ACARINA: MESOSTIGMATA) : : : : : : : : : : : : : : : : : : : : pages 55 - 69 Appendix A WEEKS ROSES LETTER TO CUSTOMERS : : : : : : : : : : : : page 70 B ENDPOINT RT-PCR PROTOCOL TO DETECT ROSE ROSETTE EMARAVIRUS : : : : : : : : : : : : : : : : : : : : : : : : page 71 -72 LIST OF TABLES 2.1 Genotypes in this study that have existing resistance data : : : : : page 26 2.2 Results from resistance screening for rose rosette disease, including the number of plants infected and number planted in the field. : : : page 32 -38 2.3 Ordinary run analysis (Madden et al. 1982) : : : : : : : : : : : : : page 41 B.1 Primers used in two-step endpoint RT-PCR protocol : : : : : : : : page 73"...See MoreBenT (NorCal 9B Sunset 14)
3 years agoFayth Khoo
3 years agolast modified: 3 years agoVaporvac Z6-OhioRiverValley
3 years agoMaryl (Okla. Zone 7a)
3 years agolast modified: 3 years agoBenT (NorCal 9B Sunset 14)
3 years agorosecanadian
3 years agoMaryl (Okla. Zone 7a)
3 years agolast modified: 3 years agoVaporvac Z6-OhioRiverValley
3 years agoMaryl (Okla. Zone 7a)
3 years agolast modified: 3 years ago
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