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| Registros recuperados: 1.933 | |
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| Kreuzwieser, Andreas; Kelderer, Markus. |
| Organic apple production is of increasing commercial importance throughout Europe, but especially in South Tyrol where about 25% of the whole European organic apple crop is produced. In organic apple production, producers face the challenge of choosing varieties that are both in demand and also resistant to the main pests and diseases. Every now and then, the question arises, if yields, losses and profitability are different in integrated and organic orchards and in how great are the differences between single apple varieties. In 1999 the Laimburg Research Centre started a field trial to observe the effects of different cultivation methods on 18 apple varieties in a randomised block design. In the first four years of production, significant... |
| Tipo: Conference paper, poster, etc. |
Palavras-chave: Crop health; Quality; Protection Fruit and berries. |
| Ano: 2004 |
URL: http://orgprints.org/14546/1/43_Kelderer_227_234.pdf |
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| Papp, Orsolya; Kolláth, Péter; Laszlo, Gyula; Drexler, Dora. |
| A biotermesztésben a cseresznyelégy elleni védekezés komoly kihívást jelent a gazdálkodók számára, mivel e kártevő ellen jelenleg nem áll rendelkezésre célzott, megbízhatóan hatékony, engedélyezett és az ökológiai gazdálkodásban is alkalmazható növényvédőszer. A termelők a gyakorlatban különféle olajos készítményeket vetnek be a kártevő ellen, a kezelések hatékonysága azonban meglehetősen bizonytalan, ismereteink szerint nem áll rendelkezésre róla hazai tudományos vizsgálat. Az olajos készítmények további problémája, hogy a vegetációs időszakban alkalmazva gyakran fitotoxikus hatásúak, és az olaj okozta stressz rontja a növények kondícióját. A jó minőségű, exportálható ökológiai cseresznyetermés előállításához ezért további megoldások felderítésére van... |
| Tipo: Report |
Palavras-chave: Crop health; Quality; Protection. |
| Ano: 2013 |
URL: http://orgprints.org/25297/1/kutatas_2012_web.pdf |
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| 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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| Amorim, Míria de. |
| Trata-se de um estudo epidemiológico descritivo, que avalia a prevalência de sinais e sintomas de 39 profissionais - Engenheiros Agrônomos e Técnicos agrícolas da Região Serrana do Estado do Rio de Janeiro -, através da aplicação de um questionário de dados ocupacionais e de condições de vida, bem como das avaliações clínica e neurológica, seguidas de exames laboratoriais, visando estabelecer o possível nexo entre a exposição ocupacional e os sintomas encontrados nos trabalhadores expostos da população em estudo. Os indivíduos integrantes do estudo têm entre 19 e 56 anos, com predominância do sexo masculino (95%), residentes nos Municípios de Teresópolis, Nova Friburgo, Bom Jardim, Cordeiro, Sumidouro, São Sebastião do Alto, Santa Maria Madalena, Cantagalo... |
| Tipo: Thesis |
Palavras-chave: Crop health; Quality; Protection. |
| Ano: 2003 |
URL: http://orgprints.org/12890/7/efeitos_agrotoxicos_dissertacao_ufrj.pdf |
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| Delbac, L; Constant, N; Laveau, E; Thiéry, D; Smits, N; Roudet, J; Mérot, A; Wéry, J; Fermaud, M. |
| An original and integrative evaluation indicator has been developed to quantify the cumulated damage from major pests and diseases affecting grape bunches: downy mildew, powdery mildew, gray mould and tortricid moths. It made it possible to estimate the associated crop losses and to relate them to the plant protection strategy in different modes of production (organic farming, in-transition, conventional). Thus, overall plant losses were higher in 2012 than in 2011. The in-transition growers’ strategy, with reduced copper doses but increased numbers of sprays, led to a 20% increase in average severity on bunches (essentially due to Downy mildew). The more pragmatic approach of experienced organic growers and conventional ones (higher doses and fewer... |
| Tipo: Journal paper |
Palavras-chave: Crop health; Quality; Protection. |
| Ano: 2013 |
URL: http://orgprints.org/26240/1/Delbac_2013_CIAG_Vol32.pdf |
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| Almatni, W.; Khalil, N.. |
| Syria is one of the biggest almond producer country in the world. Few arthropdes that live on almond are consider as pests. Aphids are one of the major pests their. In order to change the product to organic we should know more about the pests and their natural enemies in order to use better bio- and organic decisions. A field survey was done to aphids that attack Almond and Peach in Al-Arab mountain at As- Sweida governorate, between 2002 and 2006. Three species of aphids were considered as important pests on both trees. They are Brachycaudus amygdalinus and Brachycaudus helichrysi, which are aphids that feed on the young leaves causing stunted growth; and Pterochloroides persicae which is a species that attack the bark and excretes large... |
| Tipo: Conference paper, poster, etc. |
Palavras-chave: Crop health; Quality; Protection Fruit and berries. |
| Ano: 2008 |
URL: http://orgprints.org/13654/1/109%2D115.pdf |
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| Trapman, Marc. |
| A simulation program for infections by Sooty Blotch was developed based on literature data and expert judgements. The value of the model as tool for timing fungicide sprays to control Sooty Blotch was tested in 2003 in two randomized plot trials, and four “on farm” trials where the treatments where made by the growers. Disease pressure was relative low due to the warm and dry summer of 2003. Two to five post infection treatments with lime sulfur or coconut soap aimed at severe infection periods as indicated by the model provides 72 to 100 % control. |
| Tipo: Conference paper, poster, etc. |
Palavras-chave: Crop health; Quality; Protection Fruit and berries. |
| Ano: 2004 |
URL: http://orgprints.org/14068/1/11_Trapman_56_66.pdf |
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| Ruch, Beate; Kleeberg, Hubertus. |
| Bisherige Untersuchungen zeigen, dass Halbwertszeiten von Azadirachtin A auf Blättern bzw. Ernteprodukten in der Größenordnung von einem bis drei Tagen liegen. Unter Berücksichtigung der Ausgangskonzentrationen von Azadirachtin A auf/in den Pflanzen und den untoxischen Eigenschaften des Pflanzenschutzmittles NeemAzal-T/S sowie seines Wirkstoffes NeemAzal sollten Wartezeiten etwa 10 Tage betragen, um Rückstände unterhalb der analytischen Bestimmungsgrenze und unter den nach der Diätverordnung zulässigen Höchstmengen zu erwarten. Das hier dargestellte grobe Konzept enthält Vereinfachungen, die jedoch im Allgemeinen die Rückstandsbelastung überschätzen sollten. Bis zur Festlegung von Höchstmengen und Wartezeiten könnte das vorgestellte Verfahren eine... |
| Tipo: Conference paper, poster, etc. |
Palavras-chave: Crop health; Quality; Protection Specific methods. |
| Ano: 2001 |
URL: http://orgprints.org/1991/1/ruch%2Db%2D2001%2Drueckstandsverhalten%2Dneem.pdf |
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| Lohaus, Katharina; Vidal, Stefan. |
| The reorganisation from conventional to organic farming practice on a farm located in Northern Germany was accompanied in a long term monitoring to survey the abun-dances of cereal aphids and their natural enemies in winter wheat. The research project focuses on the interactions of host plant and aphids in ecological crop rotation systems differing in their amount of legumes (nitrogen intensive, nitrogen extensive system). Additionally manure treated winter wheat plots established in both ecological crop rota-tion systems were investigated. For comparison the abundance of aphids in conventional farming systems with winter wheat fields nearby were also monitored. The results indi-cate that within the triannual investigation period, aphids significantly... |
| Tipo: Conference paper, poster, etc. |
Palavras-chave: Crop health; Quality; Protection. |
| Ano: 2007 |
URL: http://orgprints.org/9703/1/9703_Lohaus_Vortrag.pdf |
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| Inhaltsverzeichnis Begrüßung (F. Klingauf) Wühlmausprobleme unter den Rahmenbedingungen des ökologischen Landbaus (Schwerpunkt Obstbau) (B. Kopp) Betriebswirtschaftliche Aspekte der Wühlmausbekämpfung im ökologischen Landbau (Schwerpunkt Milchwirtschaft) (C. Stutz) Dispersal as a key issue in the biological control of small mammals (F. Saucy) Aussichten der Entwicklung neuer Wirkstoffe zur Wühlmausbekämpfung (G. Jakob) Potentielle Bedeutung pflanzlicher Sekundärstoffe zur Abwehr von Wühlmäusen (M. Wink) Erfahrungen mit pflanzlichen Repellentstoffen bei der Abwehr von Wühlmäusen (Arvicolidae) im Wald (M. Müller & T. Heidecke) Ist Populationsregulation bei Wühlmäusen durch Förderung der natürlichen Feinde, speziell der... |
| Tipo: Proceedings |
Palavras-chave: Crop health; Quality; Protection Buildings and machinery Fruit and berries Farm economics. |
| Ano: 2002 |
URL: http://orgprints.org/2391/1/2391%2Dpelz%2Dh%2Dhrsg%2D2002%2Dwuehlmaus%2Dbba%2Dfg%2D6.pdf |
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| Wühlmausschäden gehören zu den am schwierigsten lösbaren Pflanzenschutzproblemen im ökologischen Obstbau. Nach einer Umfrage waren im Jahr 2002 79 % der deutschen Apfelanbaubetriebe von solchen Schäden betroffen. Auf 80 % der Flächen war die Schermaus (A. terrestris) der Hauptschadensverursacher. 61 % der Obstbauern sahen einen hohen Bedarf an der Entwicklung neuer Präventiv- und Bekämpfungsmaßnahmen. Um die Einwanderung von Wühlmäusen in Obstbauflächen zu verhindern, wurde ein mechanisches Barrieresystem entwickelt und an je einem Standort in Baden-Württemberg und Rheinland-Pfalz getestet. An jedem Standort wurden zwei ca. 0,7 ha große Parzellen mit Barrieren aus Drahtgitter (Maschenweite 10 mm) bzw. Polyolefin-Folie umgeben. Zwei ungeschützte... |
| Tipo: Project description |
Palavras-chave: Crop health; Quality; Protection Fruit and berries. |
| Ano: 2023 |
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| Registros recuperados: 1.933 | |
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