Swiss Agricultural Research – Archive of the Online Journal

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Plant production 31.10.22

Suter D., Frick R., Hirschi H.U.

Tall oat grass and golden oat grass are typical hay-meadow grasses that are also suitable for forage mixtures. Of the four tall and three golden oat grass varieties tested, only one new variety of tall oat grass is likely to make it onto the List of Recommended Varieties.

Plant production 19.10.22

Stevenel P., Wendling M., Brabant C., Suss H., Savoyat C., Dierauer H., Mascher F., Charles R.

FiBL and Agroscope investigated bread wheat varieties to determine their yield and quality stability. The results show that the choice of variety must be adapted to the site and that high yield potential does not go hand-in-hand with a high protein content.

Agroscope, FiBL

Plant production 06.10.22

Nay M., Tanner P. und Grieder C.

Adapted and high-yielding varieties of forage plants are important for Switzerland as a grassland country. Hybrid ryegrass is a versatile forage grass that, thanks to breeding advances, has become even more persistent, disease-resistant and high-yielding over the past 30 years.

Plant production 22.08.22

Fesselet M., Tschuy F. und Wirth J.

Herbicide-resistant weeds are a growing problem throughout the world. Monitoring herbicide resistance in Switzerland allows us to understand the mechanisms behind it and to better manage the use of herbicides.

Plant production 16.08.22

Mathis M., Blom J.F., Nemecek T., Bravin E., Jeanneret P., Daniel O., de Baan L.

Agroscope compared crop protection strategies in apple production. Reducing the use of plant-protection products lowered the local ecotoxological risks, but resulted in trade-offs between environmental and economic performance.

Plant production 01.07.22

Meissle M., Naranjo S. E., Romeis J.

Bacillus thuringiensis (Bt) bacterium proteins protect Bt maize from being fed on by specific insects. A new, systematic analysis of international field data confirms that non-target organisms in Bt maize are largely spared.

Agroscope, USDA-ARS, Arid-Land Agricultural Research Center, USA

Plant production 15.06.22

Zufferey V., Verdenal T., Reynard J.-S., Dienes-Nagy A., Belcher S., Lorenzini F., Rösti J., Gindro K., Spangenberg J. E., Viret O., Carlen C., Spring J.-L.

Tests carried out by Agroscope in the Valais region reveal that the Humagne Rouge grape variety yields better wines and is less susceptible to bunch shrivel when grapevines are not irrigated.

Agroscope, Auvernier Office of Viticulture and Agroecology, University of Lausanne, Morges Agriculture and Viticulture Service (SAVI)

Plant production 01.06.22

Seehausen M. L., Valenti R., Fontes J., Meier M., Marazzi C., Mazzi D. and Kenis M.

A natural antagonist of Drosophila suzukii, a parasitic wasp from its native range, is harmless to the native non-target species Drosophila melanogaster. This has been proven in trials in secured field cages in Switzerland.

Agroscope, CABI, ETH Zurich, canton of Ticino

Plant production 13.05.22

Kaiser A., Burger P.

To reduce plant-protection product use, we need to know what behavioural patterns farmers follow when using plant-protection products in their crops. This was the subject of a study conducted by Agroscope in Switzerland.

Agroscope, University of Basel

Plant production 27.04.22

Rainer Frick, Daniel Suter, Hansueli Hirschi, Edwige Dereuder, Cédric Coudry

Crimson clover is essentially used as a catch crop in association with ryegrass. The comparative trial conducted in 2019-21 has led to the addition of two new acquisitions to the List of Recommended Varieties of Forage Plants.

Plant production 31.03.22

Ammann J., Umstätter C. und El Benni N.

Digital technologies for vegetable production are available, but are seldom used at present. What factors inhibit or promote their use? A survey of experts conducted by Agroscope provides answers.

Agroscope, Thünen Institute for Agricultural Technology

Plant production 24.03.22

Argento F., Liebisch F., Simmler M., Ringger C., Hatt M., Walter A. und Anken T.

To ensure a good harvest while protecting the environment, a nitrogen surplus must be avoided. Agroscope is investigating how the application of nitrogen fertiliser can be better adapted to soil replenishment and the needs of the plants.

Agroscope, ETH Zurich, Swiss Future Farm

Plant production 02.03.22

Salomon M.J., van der Heijden M.G.A.
Contact: marcel.vanderheijden@agroscope.admin.ch

Arbuscular mycorrhizal fungi are like a “life-insurance policy for plants”. They improve soil structure and make nutrients and water available. This increases the stress tolerance of crops and leads to better yields.

Agroscope, University of Zurich, University of Adelaide, North Carolina State University, South Dakota State University

Plant production 07.12.21

Schröder A., Heyer J., Hochstrasser M., Brugger D., Wirth J.

The invasive weed yellow nutsedge creates considerable problems for Swiss producers in arable and vegetable crops. In a four-year project, stakeholders from research and practice evaluated various control strategies on-farm.

Agroscope, Fachstelle Pflanzenschutz des Kantons Bern, Grangeneuve, Strickhof, Swiss Farmer’s Union SFU

Plant production 27.10.21

Reinbacher L., Bacher S., Knecht F., Schweizer C., Sostizzo T. and Grabenweger G..

Wireworms cause significant crop losses in potatoes. This study investigated the efficacy of a fungus in decimating wireworm populations in the winter cover crop. The strategy was partially successful, but must be further optimised for use in practice.

Agroscope, University of Fribourg

Plant production 29.09.21

Debonneville C., Kellenberger I. und Schumpp O.

Bacterial diseases can have a huge impact on potato production yields. The method for detecting these diseases used in Switzerland to date does not allow the growing demand for tests to be met. Agroscope is implementing new solutions.

Plant production 23.09.21

Frick R., Suter D., Dereuder E. und Hirschi H.

Hybrid ryegrass is a high-yielding, versatile forage grass used in many clover-grass mixtures. Out of a total of 23 tested varieties, two new varieties performed particularly impressively in terms of yield and resistance to bacterial wilt.

Plant production 17.08.21

Wuest S.E., Peter R. and Niklaus P.A.

Crop variety mixtures can have various benefits, including greater resistance to pathogens as well as yield stability and increased yields.

Agroscope, University of Zurich

Plant production 26.07.21

Möhring A., Drobnik T., Mack G., Ammann J. and El Benni N.

A survey of 18 experts from the whole of Switzerland shows what effects a complete or partial avoidance of plant-protection products would have on in-kind yields in arable production.

Plant production 20.07.21

Suter D., Frick R. and Hirschi H.

Italian ryegrass is a high-yielding meadow grass that is often used in clover-grass mixtures. Out of a total of 52 varieties tested by Agroscope, two new frontrunners scored top marks for nearly all traits.

Plant production 07.04.21

Hoffet F., Blackford M., Burdet F., Steinemann B. and Mackie-Haas K.

Consumer acceptance plays a key role in the introduction of new grape varieties. An Agridea consumer survey reveals a great openness to fungus-tolerant varieties that lend themselves to particularly environmentally friendly cultivation methods.

Agridea, Agroscope, FiBL, University of Applied Sciences Changins, Centre for Viticulture Wädenswil

Plant production 25.02.21

Sperling P., Rauch M. and Ramseier H.

BFH-HAFL investigated three non-hardy green-manure mixtures and their effect on organic maize: A legume-rich green manure showed very high nitrogen enrichment and a positive effect on the early juvenile development of maize.

Plant production 04.02.21

Brunner S., Romeis J., Patocchi A. and Peter R.

A secured field on Agroscope’s Reckenholz site enables field research with genetically modified (GM) plants. In addition to research results, it provides findings on how GM plants might be handled in agriculture, as well as offering the public a window into this research.

Plant production 03.02.21

Drakopoulos D., Gimeno A., Kägi A., Jenny E., Bänziger I., Musa T., Forrer H. R. and Vogelgsang S.

Fungal toxins in wheat endanger the health of humans and animals. Agroscope investigated three cropping systems under reduced tillage to improve the quality and yield of wheat harvests using alternative crop protection strategies.

Plant production 21.01.21

Wüpper D., Roleff N., Finger R.

Fruit and wine producers who receive information from the public sector are more likely to use preventive measures such as nets or hygiene measures to combat spotted-wing drosophila. Producers advised by private firms that sell plant-protection products are more likely to use synthetic insecticides.

Plant production 12.01.21

Buzzi F., Hiltbrunner J., Holzkämper A. and Calanca P.

Maize is one of the most important crops in Switzerland. Variety selection and site adaptation play a crucial role in maize cultivation in a changing climate. Heat-supply maps created by Agroscope help in the choice of suitable varieties.

Plant production 06.11.20

R. Frick, D. Suter, E. Dereuder and H. Hirschi

Tall fescue is valued as a high-yielding, robust forage grass. For ley farming, fine-leaved, nutritious varieties which are well-liked by livestock are in demand. Agroscope’s most recent variety test has yielded two new top varieties.

Plant production 28.10.20

Bétrix C.-A., Schumpp O., Schori A., Brodard J., Dubuis N., De Groote J.-C., Bussereau F.

Despite its focus on other, higher-priority criteria, the soybean breeding programme in Switzerland has yielded varieties that are tolerant of soybean mosaic virus (SMV) – the most serious of the viral diseases.

Plant production 08.10.20

Visse-Mansiaux M., Tallant M., Curty F., Schwärzel R., Brostaux Y. and Dupuis B.

Chlorpropham (CIPC), the main sprout suppressant used when storing commercial potatoes, is now prohibited in Switzerland. Agroscope tested alternative substances in order to guarantee the production of indigenous chips and crisps.

Agroscope, fenaco, Université de Liège

Plant production 11.08.20

Suter D., Frick R., Hirschi H.

White Clover is an important element of intensively used meadows and pastures. Of the 19 varieties tested by Agroscope, two new top varieties came out clear winners for nearly all traits.