Rhizoctonia Disease In Sugar Beet
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Rhizoctonia Disease In Sugar Beet
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Author : Subashini Nagendran
language : en
Publisher:
Release Date : 2006
Rhizoctonia Disease In Sugar Beet written by Subashini Nagendran and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Damping-off diseases categories.
Rhizoctonia Solani In Sugar Beet
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Author : Sascha Schulze
language : en
Publisher: Cuvillier Verlag
Release Date : 2017-07-31
Rhizoctonia Solani In Sugar Beet written by Sascha Schulze and has been published by Cuvillier Verlag this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-07-31 with Science categories.
For sugar beet, Rhizoctonia solani AG2-2IIIB is the causal agent of the Rhizoctonia crown and root rot. It is assumed, but not clear to which extend, that the soil structure, more specifically individual soil physical properties, affect the R. solani inoculum potential in the soil and the disease severity in sugar beet. This study aimed to identify individual soil physical properties with a significant impact on disease severity of a susceptible and a resistant sugar beet variety. The environment was the most important factor affecting disease severity and white sugar yield of both sugar beet varieties. Penetration resistance, as a soil physical parameter, was identified to have major impact on the disease. Both sugar beet varieties showed the same reaction in disease severity and white sugar yield to increasing penetration resistance at low-disease levels. However, at higher disease levels, the susceptible variety showed a higher decrease. Moreover, a new reliable real-time PCR based method was developed to determine the inoculum potential of R. solani AG2-2IIIB in soils. The method was applied to study the effect of a susceptible and a resistant sugar beet variety and subsequently grown winter rye as a nonhost crop on the R. solani inoculum potential in field soils. It could be concluded that there is an increasing risk of an elevated disease level when a susceptible sugar beet variety is grown.
From Fungicides To Mycoviruses
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Author : Anika Bartholomäus
language : en
Publisher: Cuvillier Verlag
Release Date : 2017-06-26
From Fungicides To Mycoviruses written by Anika Bartholomäus and has been published by Cuvillier Verlag this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-06-26 with Science categories.
Rhizoctonia root and crown rot, caused by the soil-borne basidiomycete Rhizoctonia solani, is one of the most important diseases in sugar beet and from increasing economic relevance in many European growing areas. In the EU, no fungicides against Rhizoctonia in sugar beet are registered and existing control approaches cannot completely control the disease. Two fungicides were evaluated for their control efficacy using different sugar beet cultivars with varying levels of resistance. The effect on disease severity, white sugar yield (WSY) and soil-borne inoculum, analyzed by qPCR, was determined in naturally infested fields and inoculated trials. Both fungicides showed an excellent disease control with a similar efficacy, securing WSY and reducing the soil-borne inoculum. As an alternative, mycoviruses, which induce hypovirulence, were analyzed as a further approach in the future. They are highly pathogen specific and might deliver long lasting control, once suitable biocontrol agents for Rhizoctonia have been identified. A method for virome characterization based on randomly transcribed dsRNA extracts analyzed by deep sequencing in the combination with the identification of the RdRp domain as virus marker was developed. The virome analysis revealed that the hypovirulent Rhizoctonia isolate DC17 is infested with 17 different mycoviruses of which some show close relation to known hypovirulence inducing viruses.
Seedling Diseases Of Sugar Beets And Their Relation To Root Rot And Crown Rot
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Author : Howard Austin Edson
language : en
Publisher:
Release Date : 1915
Seedling Diseases Of Sugar Beets And Their Relation To Root Rot And Crown Rot written by Howard Austin Edson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1915 with Phoma categories.
Management Of Rhizoctonia Root And Crown Rot Disease Rrcr In Sugar Beet Using Fungicide Glyphosate Sequential And Tank Mix Applications To Improve Farm Efficiency
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Author : Stephan Carl Geu
language : en
Publisher:
Release Date : 2022
Management Of Rhizoctonia Root And Crown Rot Disease Rrcr In Sugar Beet Using Fungicide Glyphosate Sequential And Tank Mix Applications To Improve Farm Efficiency written by Stephan Carl Geu and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022 with Fungicides categories.
Rhizoctonia root and crown rot disease (RRCR) has been identified as a major disease problem in the High Plains region by the Western Sugar Cooperative. This challenge leads many producers to use fungicides to help control the disease. Typically, the application of fungicides corresponds to a second application of glyphosate for weed control. Research was conducted in 2016 and 2017 at two University of Wyoming research farms to examine the efficacy of sequential and tank-mix applications of glyphosate and three common fungicides: azoxystrobin (Quadris®), fluxapyroxad + pyraclostrobin (PriaxorTM) and prothioconazole (Proline®). An additional generic formulation of azoxystrobin (Satori) was added in 2017. Greenhouse studies as well as a laboratory assay were also performed. All treatments were applied as a sequential or tank-mix application to examine if the combination of the chemicals would create any synergism or antagonism on the control of the disease and weeds. Otherwise, parameters measured included treatment effects on stand, Rhizoctonia disease incidence, weed control, crop safety, and beet root yield. Fungicides tended to increase sugar yield per acre in Rhizoctonia-inoculated plots. Otherwise, disease and yield results showed no conclusive evidence of synergism or antagonism between chemicals when applied in a tank-mix application when contrasted with sequential applications of the same chemicals.
Pathogenicity And Survival Of Ag 2 2 Of Rhizoctonia Solani On Sugar Beet And Bean Crops
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Author : Cheryl Ann Engelkes
language : en
Publisher:
Release Date : 1991
Pathogenicity And Survival Of Ag 2 2 Of Rhizoctonia Solani On Sugar Beet And Bean Crops written by Cheryl Ann Engelkes and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with categories.
Temperature Mediated Chitinase Production During Rhizoctonia Root And Crown Rot Disease In Sugar Beet Beta Vulgaris L Tap Roots
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Author : Subashini Nagendran
language : en
Publisher:
Release Date : 2003
Temperature Mediated Chitinase Production During Rhizoctonia Root And Crown Rot Disease In Sugar Beet Beta Vulgaris L Tap Roots written by Subashini Nagendran and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Chitinase categories.
Rhizoctonia Root And Crown Rot Of Sugar Beet
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Author : Robert Martin Harveson
language : en
Publisher:
Release Date : 2008
Rhizoctonia Root And Crown Rot Of Sugar Beet written by Robert Martin Harveson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Rhizoctonia solani categories.
Rhizoctonia Root and Crown Rot is the most consistently damaging sugar beet disease in Nebraska. Understanding symptoms, the disease cycle and management options can help control the disease.
Handbook On Diseases Of Sugar Beetles Volume I
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Author : Amar Nath Mukhopadhyay
language : en
Publisher: CRC Press
Release Date : 1987-04-30
Handbook On Diseases Of Sugar Beetles Volume I written by Amar Nath Mukhopadhyay and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987-04-30 with Science categories.
Proceedings Of The Regional Meeting American Society Of Sugar Beet Technologists Eastern United States And Eastern Canada
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Author : American Society of Sugar Beet Technologists
language : en
Publisher:
Release Date : 1979
Proceedings Of The Regional Meeting American Society Of Sugar Beet Technologists Eastern United States And Eastern Canada written by American Society of Sugar Beet Technologists and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with Sugar categories.