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A ‘during-infection’ spray strategy using sulphur compounds, copper, silicon and a new formulation of potassium bicarbonate for primary scab control in organic apple production. Organic Eprints
Jamar, Laurent; Lefrancq, Bruno; Fassotte, Christianne; Lateur, Marc.
In a field experiment conducted over two growing seasons, the effectiveness and phytotoxicity of inorganic fungicides such as sulphur, lime sulphur, copper, silicon and Armicarb (a new formulation of potassium bicarbonate) was compared with water for the control of primary apple scab infections in Belgium on high, medium and low scab-susceptible cultivars (cvs. ‘Pinova’, ‘Pirouette’ and ‘Reinette des Capucins’, respectively). In order to drastically reduce the amount of fungicide applied in the orchard, two approaches were used: (i) a strategy involving spraying during the infection process, just before conditions for infection had been fulfilled according to the RIMpro software warning system; and (ii) a tunnel sprayer machine for treatment applications....
Tipo: Journal paper Palavras-chave: Crop health; Quality; Protection.
Ano: 2008
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CREATION ET EXPERIMENTATION DE VARIETES DE POMMES ADAPTEES A L’AGRICULTURE BIOLOGIQUE Organic Eprints
Lateur, Marc; Pissard, Audrey; Bastiaanse, Heloïse; Jamar, Laurent.
Our apple breeding program is based entirely on the results of our work to safeguard, evaluate and valorize the rich heritage of apple tree genetic resources in our regions. Since 1975, no fewer than 1800 introductions have been collected in our collections and, taking into account duplicates, errors and synonyms, this represents a total of about 850 distinct cultivars. These are systematically evaluated in experimental orchards that do not undergo any treatment. Some cultivars that are highlighted for their high level of resistance to the main diseases as well as for their agronomic and quality characteristics of trees and fruits are used as parents. Our priorities are mainly focused on the expansion of the apple's genetic base, polygenic resistance to...
Tipo: Conference paper, poster, etc. Palavras-chave: Fruit and berries Breeding; Genetics and propagation Crop health; Quality; Protection.
Ano: 2009 URL: http://orgprints.org/35239/1/CREATION%20ET%20EXPERIMENTATION%20DE%20VARIETES%20DE%20POMMES.Lateur%20et%20al%202009.pdf
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Functional agrobiodiversity in apple and pear pest management in Belgium Organic Eprints
Jamar, Laurent; Song, Janghoon; Lambert, Kevin; Lateur, Marc.
In the framework of both ‘Eco-Orchard’ CORE Organic+ ERA NET project, and a research project with financial support of the Rural Development Administration (RDA) of the Republic of Korea, a study started in 2015 with as first aim the comparison of the type and abundance of beneficials in Belgium orchards under conventional and organic production systems applying different Functional AgroBiodiversity (FAB) techniques and this during two growing seasons. The second aim of this study is to collect existing information about FAB and its management techniques to improve knowledge and practical experience between scientists, advisors and owners of the fruit orchards. The final aim of this study focus on the co-design and establishment of innovative fruit-based...
Tipo: Conference paper, poster, etc. Palavras-chave: Biodiversity and ecosystem services Crop health; Quality; Protection.
Ano: 2016 URL: http://orgprints.org/30768/1/BAM_2016_Vfin.pdf
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Primary scab control using a “during-infection” spray timing and the effect on fruit quality and yield in organic apple production Organic Eprints
Jamar, Laurent; Cavelier, Marc; Lateur, Marc.
Organic apple production in Europe depends to a great extent on the use of copper fungicides for scab control (Venturia inaequalis). The objective of this 6-year study (2003-2008) conducted in Belgium was to determine measures for reducing the use of copper fungicides in organic apple production. The effectiveness of a “during-infection” spray strategy using wettable sulphur (with or without copper), lime sulphur, potassium bicarbonate, silicon and five natural plant extracts (orangepeel, soapbark, tea seed, quinoa seed and grapefruit seed) for controlling primary scab was investigated in a split-plot field experiment. Four apple cultivars that express a gradient of partial scab resistance were included: a high scab-susceptible cultivar (cv. ‘Pinova’), a...
Tipo: Journal paper Palavras-chave: Crop health; Quality; Protection.
Ano: 2010 URL: http://orgprints.org/35229/1/Jamar%20et%20al_2010.pdf
Registros recuperados: 4
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