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Registros recuperados: 5
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Aeromonas media in compost amendments contributes to suppression of Pythium ultimum in cress Organic Eprints
Oberhaensli, T.; Hofer, V.; Tamm, L.; Fuchs, J. G.; Koller, M.; Herforth-Rahmé, J.; Maurhofer, M.; Thuerig, B..
Soil-borne diseases such as damping-off caused by Pythium sp. are responsible for high yield losses in organic vegetable production and are difficult to control. Compost amendments have been shown to improve in many cases survival and growth of plants in soils infested with soil-borne diseases. Yet, not all composts are disease suppressive and suppressiveness of composts can be pathogen-specific. Cress (Lepidium sativum L.) was grown in a standard peat substrate amended either with coco fiber (conducive control) or with composts differing in their suppressiveness towards Pythium ultimum. Bacteria were isolated from the rhizoplane and the most abundant species identified by MALDI-TOF MS. The bacterial composition in the rhizoplane of plants grown in...
Tipo: Journal paper Palavras-chave: Composting and manuring Crop health; Quality; Protection.
Ano: 2017 URL: http://orgprints.org/33022/1/Oberhaensli_etal_2017_ActaHorti_Aeromonas_Vol1164_p353-360.pdf
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Replacement of Contentious Inputs in Organic Farming Systems (RELACS) – a comprehensive Horizon 2020 project Organic Eprints
Tamm, L.; Pertot, I.; Schmitt, A.; Verrastro, V.; Magid, J.; Bünemann, E. K.; Möller, K.; Athanasiadou, S.; Experton, C.; Leiber, F.; Steinshamm, H.; Moeskops, B.; Herforth-Rahmé, J.; Maurer, V..
Organic farmers adhere to high standards in producing quality food while protecting the environment. However, organic farming needs to improve continuously to keep meeting its ambitious objectives. The project ‘Replacement of Contentious Inputs in Organic Farming Systems’ (RELACS) will foster the development and adoption of cost-efficient and environmentally safe tools and technologies to further reduce the use of external inputs on organic farms across Europe as well as in Non EU Mediterranean countries. Project partners will provide scientific support to develop fair and implementable EU rules to improve current practices in organic farming. Farm advisory networks in 11 European countries will reach out to farmers to ensure effective dissemination and...
Tipo: Conference paper, poster, etc. Palavras-chave: Health and welfare Crop health; Quality; Protection.
Ano: 2018 URL: http://orgprints.org/34690/1/tamm-etal-2018-ICOAS2018_BoA._p47pdf.pdf
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Development of disease-suppressive organic growing media Organic Eprints
Fuchs, J. G.; Hedrich, T.; Hofer, V.; Koller, M.; Oberhaensli, T.; Ribera Regal, J.; Tamm, L.; Thuerig, B.; Schwarze, F.W.M.R.; Herforth-Rahmé, J..
Vigorous seedlings are an important base for vegetable production. Beside the availability of appropriate amounts of nutrients, the health of seedlings is decisive. Soil-borne diseases are a challenging problem in organic seedling production. Here, we present results on the development of disease-suppressive growing media. Three aspects were examined: (i) use of different components of growing media (peat, coconut fiber, wood fiber, compost), (ii) influence of selected organic nitrogen fertilizers and (iii) use of different microorganisms (including commercial biocontrol agents (BCA)). Three plant-pathogen systems were used in this study: cucumber-Pythium ultimum, cress-Pythium ultimum and basil-Rhizoctonia solani. Green waste compost showed a good...
Tipo: Journal paper Palavras-chave: Composting and manuring Crop health; Quality; Protection.
Ano: 2017 URL: http://orgprints.org/33020/1/fuchs_etal_2017_actaHortic_Vol1164_p181-188.pdf
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Bioseedling: a chain approach to the production of healthier seeds and seedlings of Lamb’s lettuce Valerianella locusta Organic Eprints
Herforth-Rahmé, J.; Fuchs, J.G.; Hofer, V.; Schnueriger, M.; Schärer, H.J.; Koller, M..
The project BIOSEEDLING “Robust planting material from seeds to young plants - an implementation oriented chain approach” aims to find improved production procedures for vegetable seedlings of lamb’s lettuce. First, the production of lamb’s lettuce seeds of a professional seed producer was analyzed and the effect of harvest time and seed size on the germination and disease rate in the seeds was studied. Then, using seeds naturally infected by Peronospora valerianellae and Acidovorax valerianellae, several seed disinfection methods were compared: aerated steam, hot water, sodium hypochlorite, ethanol, Calcium hydroxide, and compost pellet. After testing methods for the identification of the seed pathogens and the quantification of the infection, an...
Tipo: Conference paper, poster, etc. Palavras-chave: Production systems Vegetables Breeding; Genetics and propagation Crop health; Quality; Protection.
Ano: 2017 URL: http://orgprints.org/35283/1/Herforth_2017.pdf
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Organic seed treatments of vegetables to prevent seedborne diseases Organic Eprints
Spadaro, D.; Herforth-Rahmé, J.; van der Wolf, J..
Seedborne pathogens of vegetables are responsible for the re-emergence of diseases of the past, as well as the introduction of diseases into new geographical areas. Seed treatment can be used to eradicate seedborne pathogens or to protect from soilborne pathogens. The European Commission Regulation (EC) No. 1452/ 2003 states that only organic seeds must be used in organic horticulture. Starting crop production with clean seeds is the background for a healthy crop. Physical seed treatments, including mechanical treatments, thermal treatments, radiations, and redox treatments can be highly effective. The use of natural compounds, which could be of organic or inorganic nature, is another useful tool. Organic compounds comprise plant extracts, essential oils,...
Tipo: Conference paper, poster, etc. Palavras-chave: Production systems Vegetables Crop health; Quality; Protection.
Ano: 2017 URL: http://orgprints.org/35284/1/Spadaro2017_88%20-%20Acta%20-%20seedborne.pdf
Registros recuperados: 5
Primeira ... 1 ... Última
 

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