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Efficacy of Armicarb (potassium bicarbonate) against scab and sooty blotch on apples Organic Eprints
Tamm, Lucius; Amsler, Thomas; Schärer, Hansjakob; Refardt, Matthias.
A novel formulation of potassium bicarbonate (Armicarb) was evaluated in 2004 and 2005 as agent against apple scab (3 field trials) and sooty blotch (2 field trials). Armicarb controlled scab equally well as the reference treatments sulphur and copper. Armicarb showed also excellent activity against sooty blotch. However, potential side-effects such as lenticell spot development need further investigation. At present, potassium bicarbonate is considered by the Swiss registration authorities as non-toxic to humans and in consequence, no residue levels have been specified. Armicarb has very interesting properties as a plant protection agent and its composition and risk profile are expected to fulfil the IFOAM standards for acceptance of novel plant...
Tipo: Conference paper, poster, etc. Palavras-chave: Crop health; Quality; Protection Fruit and berries.
Ano: 2006 URL: http://orgprints.org/8823/1/ecofruit_12th_16.pdf
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Fortführung der Sortenevaluierung auf Flug- und Hartbrandanfälligkeit der Wintergerste sowie Prüfung flug- und hartbrandresistenter Sorten auf Anbaueignung bei ökologischer Bewirtschaftung Organic Eprints
Lorenz, Norbert; Klause, Stefan; Spieß, Hartmut.
Dieses im Rahmen des ’Bundesprogrammes Ökologischer Landbau’ von der BLE in Auftrag gegebene Projekt (03OE657) schließt an frühere Untersuchungen an (vgl. Jahresberichte 2000-2004). Es hat zum Ziel, Empfehlungen geeigneter Sorten für die ökologische Bewirtschaftung zu erarbeiten und Genotypen einer Resistenzzüchtung verfügbar zu machen.
Tipo: Report chapter Palavras-chave: Crop health; Quality; Protection Cereals; Pulses and oilseeds Breeding; Genetics and propagation.
Ano: 2005 URL: http://orgprints.org/15213/1/lorenz%2Detal%2D2005%2DIBDF%2DJahresbericht_2005.pdf
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Gebrauch biologischer Insektizide im Kampf gegen den Scaphoideus titanus, den Vektor von Flavescence dorée Organic Eprints
Jermini, Mauro; Gusberti, Michele; Trivellone, Valeria; Wyss, Erich; Linder, Christian.
Flavescence dorée and the mandatory control of its vector Scaphoideus titanus pose important problems in organic vineyards. The goal of our field studies conducted in the Ticino was to develop a pest control strategy conform to the guidelines of organic production. Insecticides containing pyrethrin were the only organic products showing an efficacy higher than 90% against the immature stages of S. titanus. However, these products had no effect on adult leafhoppers. Repeated applications of pyrethrin proved to be toxic against the predatory mite species Amblyseius andersoni. Despite this toxicity, the only efficient and recommended control strategy in organic vineyards is their application. Pyrethrin should be applied three times at an interval of...
Tipo: Conference paper, poster, etc. Palavras-chave: Crop health; Quality; Protection.
Ano: 2009 URL: http://orgprints.org/14238/1/Jermini_14238.pdf
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Netzwerk für den Wissenstransfer und die Implementierung der Leitlinien Integrierter Pflanzenschutz im Sektor Vorratsschutz (VSnet) Organic Eprints
VSnet bedient das Modul B der BÖLN-Bekanntmachung und insbesondere die Punkte „Wissenstransfer“, „Praxisbezug“ und „Netzwerke“. Bei VSnet geht es um die Weiterentwicklung des integrierten Pflanzenschutzes und des Pflanzenschutzes im Ökologischen Landbau für den Sektor Vorratsschutz. Bis auf den Verzicht auf chemisch-synthetische Pflanzenschutzmittel im ökologischen Landbau sind beide Wirtschaftsformen im Vorratsschutz weitgehend identisch. Die dort immer noch auftretenden hohen Verluste, insbesondere die Verlust während der Hoflagerung bei den Landwirten nach der Ernte, sollen durch anwendungsbereites Wissen über die Praktikabilität von vorbeugenden und nichtchemischen Maßnahmen verringert werden. Durch die Zusammenarbeit mit Betrieben sollen die dort...
Tipo: Project description Palavras-chave: Crop health; Quality; Protection Policy environments and social economy Knowledge management Post harvest management and techniques.
Ano: 2024
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Evaluierung von Brassicacea auf Resistenz gegen die Mehlige Kohlblattlaus (Brevicoryne brassicae) als Basis zur Nutzung blattlausresistenter Kohlsorten für den ökologischen Landbau Organic Eprints
Ziel des Projektes ist die Evaluierung von in Genbanken befindlichen genetischen Ressourcen der Brassicaceen auf Resistenz gegen die Mehlige Kohlblattlaus (Brevicoryne brassicae). Es sollen hierbei Formen gefunden werden, die entweder direkt für den ökologischen Anbau geeignet sind oder die Basis für eine Züchtung resistenter Sorten bilden. Der Schwerpunkt soll dabei auf der "Brassica Core Collection" der europäischen Genbanken liegen. Eine kontinuierliche Prüfung von Brassicacea-Jungpflanzen im Gewächshaus (ca. 600 Genotypen), die künstlich mit der Mehligen Kohlblattlaus besiedelt werden, soll die Vorauswahl potentiell resistenter Formen ermöglichen. Diese selektierten Formen sollen im Freiland unter ökologischen Anbaubedingungen geprüft und hinsichtlich...
Tipo: Project description Palavras-chave: Crop health; Quality; Protection Breeding; Genetics and propagation Vegetables.
Ano: 2024
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Biology of Plasmopara viticola - Approach to a biological control of grapevine downy mildew Organic Eprints
Kassemeyer, Hanns-Heinz; Buche, Claudia; Unger, Sabine; Kiefer, Beate; Loffel, Kirsten; Nick, Peter; Riemann, Michael; Guggenheim, Richard; Rumbolz, Joachim.
Plasmopara viticola, the causai agent of grapevine downy mildew is very well adapted to its host pianI. Therefore it is very difficult to develop methods for the biological control which meet the requests of ecological viticulture. One of the possibilities for a biological control of grapevine downy mildew is the usage of the natural resistance potential of the European cultivars of Vitis vinifera, more exactly the induced resistance. Another way is the use of specific inhibitors which either stop the infection process or have an effect on the interaction of the pathogen with the host pianI. Whereas generai information about the resistance reactions in plants is available and the first results were also won for vine, the knowledge about inhibitors is very...
Tipo: Conference paper, poster, etc. Palavras-chave: Crop health; Quality; Protection Fruit and berries.
Ano: 2002 URL: http://orgprints.org/14613/1/kiefer_127.pdf
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Proteinuntersuchungen in Einzelsamen von Lupinen zur züchterischen Erhöhung des Eiweißgehaltes Organic Eprints
Jansen, Gisela; Kuhlmann, Josy.
Besides other legumes lupins belong to the local protein crops usuable as feeding stuff in ecologic farming. Therefore an important breeding aim is to provide lupins with high and stable protein content. A non-destructive analysis using near infrared transmittance spectroscopy was developed for determination of protein in single seeds of lupins. Calibration and validation equations were calculated on the basis of 300 single seeds of 3 blue lupins (‘Azuro’, ‘Bolivio’, ‘Boregine’) growing at 3 ecological locations. The estimation of protein content was possible in a range of 15-44% protein with a coefficient of determination (r²) of 0,907 and a standard error of prediction (SEP) of 1,86%. The equation was applied to evaluate the protein content of single...
Tipo: Conference paper, poster, etc. Palavras-chave: Crop health; Quality; Protection Breeding; Genetics and propagation Feeding and growth.
Ano: 2007 URL: http://orgprints.org/9084/1/9084_Jansen_Poster.pdf
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An aqueous extract of the dry mycelium of Penicillium chrysogenum induces resistance in several crops under controlled and field conditions Organic Eprints
Thürig, Barbara; Binder, Andres; Boller, Thomas; Guyer, Urs; Jiménez, Sonia; Rentsch, Christina; Tamm, Lucius.
We have examined the effect of Pen, an aqueous extract of the dry mycelium of Penicillium chrysogenum, on plant–pathogen interactions. Pen controlled a broad range of pathogens on several crop plants under greenhouse and field conditions. Pen protected grapevine from downy and powdery mildew (caused by Plasmopara viticola and Uncinula necator), tomato from early blight (caused by Phytophthora infestans), onion from downy mildew (Peronospora destructor) and apple trees from apple scab (caused by Venturia inaequalis) to a similar extent as fungicides such as copper and sulphur or well-known inducers such as benzothiadiazole or b-aminobutyric acid. Pen had no major direct fungicidal effect and is thus supposed to protect plants by activating their defense...
Tipo: Journal paper Palavras-chave: Crop health; Quality; Protection Vegetables Viticulture Fruit and berries.
Ano: 2006 URL: http://orgprints.org/9077/1/Thuerig%2Detal%2D_2006%2DPlantPathology%2DPen.pdf
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Strategien zur Regulierung verschiedener Nematodenspezies im ökologischen Feldgemüsebau Organic Eprints
Durch eine umfassende praxisorientierte, mit den wichtigsten Beratungseinrichtungen in Deutschland durchgeführte Umfrage auf ökologisch wirtschaftenden Betrieben soll die tatsächliche Nematodenbelastung in der Praxis erfasst werden. Basierend auf der Ist-Analyse sollen auf ausgewählten Praxisbetrieben die Ursachen des Nematodenbefalls untersucht und Strategien zur Nematodenminderung entwickelt werden. Aus den Ergebnissen sollen wichtige Erkenntnisse und Empfehlungen für Beratung und Praxis abgeleitet u. wichtige Impulse für praxisorientierte Lösungsansätze sowie die Grundlage für einen weiteren gezielten Untersuchungs- und Forschungsbedarf gegeben werden.
Tipo: Project description Palavras-chave: Crop health; Quality; Protection Vegetables.
Ano: 2024
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Dyrkningssikre bælgplanter Organic Eprints
Hansen, Jesper.
Hvordan minimeres risikoen ved at dyrke bælgsæd? De fleste, de har dyrket enten hestebønner, ærter eller lupiner, har vel oplevet at det er gået galt med afgrøden. For at indsamle erfaringer på dette område blev der i 2010 anlagt to forsøg med forskellige bælgsædsarter og -sorter.
Tipo: Report chapter Palavras-chave: Crop health; Quality; Protection.
Ano: 2011 URL: http://orgprints.org/27425/6/27425.pdf
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Integration of biological mite control into outdoor strawberry production: a matter of efficacy and economy Organic Eprints
Tuovinen, Tuomo.
Ten years experiences in experimental and practical fields prove that effective control of strawberry mite can be achieved by inundative introductions of the predatory mite Amblyseius cucumeris. Lately, Neoseiulus barkeri has been included to experiments compare its efficacy especially in higher strawberry mite densities.
Tipo: Conference paper, poster, etc. Palavras-chave: Crop health; Quality; Protection.
Ano: 2006 URL: http://orgprints.org/10641/1/Lepaa3.pdf
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La difesa del vigneto biologico: l’unione fa la forza! Organic Eprints
Legler, Sara Elisabetta; Caffi, Tito; Gatti, Matteo; Rossi, Vittorio.
L’agricoltura biologica, e in particolare la viticoltura biologica, sono cresciute considerevolmente nell’ultimo decennio ed hanno ancora ampi margini di miglioramento. Il progetto di ricerca VineMan.org (www.vineman-org.eu), finanziato nell’ambito del network europeo di cooperazione transnazionale CORE Organic II, ha l’obiettivo di migliorare il controllo delle malattie, uno dei principali e più difficili compiti del viticultore biologico, integrando la resistenza delle piante, pratiche agricole di gestione del vigneto, i sistemi di supporto alle decisioni e l’utilizzo di agenti di biocontrollo.
Tipo: Newspaper or magazine article Palavras-chave: Crop health; Quality; Protection Viticulture.
Ano: 2013
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Strategies for regulation of seed borne diseases in organic farming Organic Eprints
Borgen, Anders.
The impact of seed borne diseases on organic cereal production in North-Western Europe is discussed as well as the potential of the possible control measures. It is concluded that it is essential for the organic seed production to put more focus on the control the seed borne diseases. Possible control measures exist, but only a few are used at present. Small seeds are statistically more infected by a number of seed borne diseases than larger seeds. Removal of these seeds by size and gravity separation could be used more frequently. Varieties resistant to the most significant seed borne diseases are available, and improved heat treatment techniques are being developed and are likely to be available for practice in the coming years. Some organic certifying...
Tipo: Journal paper Palavras-chave: Crop health; Quality; Protection.
Ano: 2004 URL: http://orgprints.org/3191/1/NB127.pdf
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Organic Centre Wales Technical Note 2: Evaluation of Sárpo potato varieties, 2004 Organic Eprints
Anon,.
Potato blight Phytophora infestans is a major limiting factor on potato production and is a particular problem for organic growers in Wales. The use of blight resistant varieties is an important strategy in the management of late blight. Hungarian Sárpo varieties appear to have greater late-blight resistance than any currently available to Welsh growers. In 2004, ADAS Pwllpeiran undertook field trials of 19 Sárpo varieties provided by the Sárvári Research Trust, with the following objectives:
Tipo: Other Palavras-chave: Crop health; Quality; Protection Education; Extension and communication Root crops.
Ano: 2005 URL: http://orgprints.org/10805/1/2sarpo04eng.pdf
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Entwicklung von Bekämpfungsstrategien für Meloidogyne halpa und Pratylenchus spp. im ökologischen Anbau von Möhren und Zwiebeln Organic Eprints
Hallmann, J.; Rau, F.; Paffrath, A.; Puffert, M..
Nematoden der Gattungen Meloidogyne und Pratylenchus zählen zu den Hauptschaderregern im ökologischen Anbau von Möhren und Zwiebeln. Typische Symptome sind geringes Wachstum, Deformationen der Ernteorgane, verstärkte Seitenwurzelbildung sowie Wurzelgallen (Meloidogyne) bzw. Wurzelläsionen (Pratylenchus). Beide Nematodengattungen haben ein sehr weites Wirtspflanzenspektrum und treten häufig gemeinsam auf. In dem vorliegenden Forschungsvorhaben werden Bekämpfungsstrategien für Meloidogyne und Pratylenchus unter praxisüblichen Bedingungen entwickelt.
Tipo: Conference paper, poster, etc. Palavras-chave: Crop health; Quality; Protection Vegetables.
Ano: 2004 URL: http://orgprints.org/15404/1/15404_hallmann%2Detal%2D2004%2DvortragBLE%2D24November04.pdf
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Quantitative relationships in the infection cycle of seed-borne net blotch Organic Eprints
Pinnschmidt, H.O.; Nielsen, B.J.; Hansen, H.J..
Seed-borne net blotch is a threat to organic barley seed production in Denmark because it often exceeds the recommended 15% contamination threshold in barley seed lots. This threatens the supply of organic barley growers with organically produced healthy barley seeds. The ORGSEED project aims at quantifying the links between initial seed contamination, primary seedling infection, disease severity during the growing season, yield parameters and new contamination of the harvested grains to improve decision support for handling net blotch contaminations in organic barley- and barley seed production. The harvested grains of spring barley varieties grown at several sites in Denmark in 2002 and 2003 were used as seed lots in subsequent trials in 2003 and 2004....
Tipo: Conference paper, poster, etc. Palavras-chave: Crop health; Quality; Protection.
Ano: 2005 URL: http://orgprints.org/7932/1/7932.pdf
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Anbausysteme und Kulturführung im ökologischen Erdbeer- und Strauchbeerenanbau zur Erhöhung der Bestandessicherheit (incl. Strategien gegen Verunkrautung) - Zwischenbericht 10.04.07 bis 31.03.08 Organic Eprints
Brockamp, Leona; Benduhn, Bastian.
Das Projekt beinhaltet Versuche zu unterschiedlichen Bodenvorbereitungsmaßnahmen, verschiedenen Abmulchterminen und Sortenprüfungen im ökologischen Erdbeeranbau. Zusätzlich werden verschiedene Anbausysteme und Schnittmaßnahmen bei Himbeeren bewertet und Pflanzenschutzversuche bei Brombeeren und Stachelbeeren durchgeführt. Am Standort Jork werden Versuche zur Beikrautregulierung und zum Ertragsverhalten im Heidelbeeranbau und im Anbau von Schwarzen Johannisbeeren bearbeitet.
Tipo: Report Palavras-chave: Crop health; Quality; Protection Weed management Fruit and berries.
Ano: 2008 URL: http://orgprints.org/16413/1/16413%2D06OE221%2DLVWO%2Dbrockamp%2D2008%2Dzwischenbericht100407%2D310308.pdf
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Effect of organic, low-input and conventional production systems on yield and diseases in winter barley Organic Eprints
Cooper, J. M.; Schmidt, C. S.; Lueck, L.; Shotton, P. N.; Turnbull, C.; Leifert, C..
The effect of organic, low-input and conventional management practices on barley yield and disease incidence was assessed in field trials over two years. Conventional fertility management (based on mineral fertiliser applications) and conventional crop protection (based on chemosynthetic pesticides) significantly increased the yield of winter barley as compared to organic fertility and crop protection regimes. Severity of leaf blotch (Rhynchosporium secalis) was highest under organic fertility and crop protection management and was correlated inversely with yield. For mildew (Erysiphe graminis), an interaction between fertility management and crop protection was detected. Conventional crop protection reduced severity of the disease, only under conventional...
Tipo: Conference paper, poster, etc. Palavras-chave: Crop health; Quality; Protection Cereals; Pulses and oilseeds.
Ano: 2007 URL: http://orgprints.org/10357/1/cooper%2Detal%2D2007%2Dwinter_barley.pdf
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Fire blight in different production systems in Germany and strategies to control the disease Organic Eprints
Jelkmann, Wilhelm.
Fire blight, caused by the bacterium Erwinia amylovora, is a serious disease of pome fruits in many countries of the world. The disease was first recognized at the end of the 18th century in the USA. Its first occurence in Europe was reported in 1957 from England.
Tipo: Conference paper, poster, etc. Palavras-chave: Crop health; Quality; Protection Fruit and berries.
Ano: 2004 URL: http://orgprints.org/14454/1/22_Jelkmann_113_114.pdf
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Anfälligkeit von Winterweizensorten gegenüber Zwergsteinbrand (Tilletia controversa) Organic Eprints
Voit, Benno; Killermann, Berta.
15 Winterweizensorten, geeignet für den Ökologischen Landbau, wurden auf die Anfälligkeit bzgl. Zwergsteinbrand getestet. Die dreijährigen, randomisierten Feldversuche wurden auf zwei Standorten mit jeweils 4 Wiederholungen in 10 m langen Reihen auf natürlich infizierten Standorten angebaut. Aussaat, Unkrautbekämpfung und Ernte erfolgten von Hand. Die Anzahl der infizierten Ähren wurde ausgezählt. Die Bestimmung der Anzahl Brandsporen pro Korn erfolgte nach ISTA.
Tipo: Conference paper, poster, etc. Palavras-chave: Crop health; Quality; Protection.
Ano: 2015 URL: http://orgprints.org/27004/1/27004_voit.pdf
Registros recuperados: 1.933
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