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Environment

Chevillat V., Balmer O., Birrer S., Doppler V., Graf R., Jenny M.

Whole-farm advisory increases quality and quantity of ecological compensation areas

The areas of ecological compensation (AEC) required for farms receiving subventions have so far delivered modest results against the loss of biodiversity in cultivated landscape of Switzerland. Insufficient ecological quality and inadequate locations of these areas are to blame. The results of our study show that whole-farmadvisory can efficiently improve the situation even on intensive…
Environment

Eggenschwiler L., Senn M., Ferrari A., Egli A., Jacot K.

Attractiveness of extensive meadows for aphid predators

Of all ecological compensation areas in Switzerland, extensive meadows occupy the largest surface area. The aim of this study was to investigate the attractiveness of extensive meadows for flying cereal-aphid predators, specifically in the immediate vicinity of cereal plants. On four sites in the Swiss Midlands in spring 2010, wheat in pots was in each…
Plant production

Charles R., Collaud J.-F., Levy Häner L., Sinaj S.

Varieties, seeding rate and nitrogen fertilization on winter barley

In order to take stock of winter barley cultivation and especially the differences between six and two-row genotypes, field trials were implemented between 2005 and 2007 at the locations Changins and Goumoëns. Six and two-row varieties differed in yield level, yield formation and quality factors. Seeding rates between 150 and 300 seeds / m² were…
Plant production

Hebeisen Th., Ballmer Th., Wüthrich R., Dupuis B.

Reaction of newly registered potato varieties to different nitrogen supplies

In 2008 and 2009, in field trials at the Changins-Nyon (Vaud canton) and Zurich-Reckenholz sites, respectively, the two research stations of Agroscope Changins-Wädenswil ACW and Agroscope Reckenholz-Tänikon ART investigated the varietyspecific nitrogen (N) requirement of the potato varieties Gourmandine, Jelly, Laura and Lady Jo (the latter at Changins only). The N levels varied from 0…
Plant production

Hategekimana A., Schneider D., Fossati D., Mascher F.

Performance and nitrogen efficiency of Swiss wheat varieties of the 20th century

The average wheat yield in Switzerland has increased from 13dt/ha in 1850 to 60dt/ha today. The present study investigates the factor variety in this spectacular yield improvement. Yield, yield components and nitrogen efficiency efficacy of seven Swiss wheat varieties released between 1926 and 2003 and the French variety Caphorn (released in 2001) have been studied…
Plant production

Boessinger M., Python P.

Factors influencing the nutrient and mineral content of ventilated dry forage

AGRIDEA has assembled the results of its annual forage survey (nutrient, mineral and trace elements content) undertaken between 2005 and 2009. Data of 1077 samples of ventilated dry forage were used in a statistical analysis to detect the various influences of factors such as year, region, altitude and botanical composition on the nutrient and mineral…
Plant production

Rüegg J., Total R., Jermini M., Scettrini S., Wohlhauser R., Wolf S., Sanderson G.

Crop-adapted crop protection measures in high-growing greenhouse vegetables

Currently the grower of glasshouse crops such as tomatoes, cucumbers, eggplants or sweet pepper does not have a clear guidance on how to adapt the dosage of fungicides, insecticides or acaricides to his growing crops. In most cases the total leaf area of the crop represents the target area for the application of crop protection…
Plant production

Bänziger I., Zanetti S., Hebeisen T., Graff L., Vogelgsang S.

Fifteen years of organic cereal seed health analyses at Agroscope ART

Investigations on organically produced cereal seed over the past 15 years have shown the importance of the control of seed-borne diseases. Although disease pressure depends on annual fluctuations caused by the weather, infestation with common and dwarf bunt (Tilletia caries/T. controversa) has increased in the last few years, with the former primarily occurring on spelt…
Plant production

Boller B., Tanner P., Schubiger F.

Pastor – a new red clover suitable for grazing

For the first time, a red clover variety bred and tested especially for its suitability for grazing is available to Swiss agriculture. Named Pastor, this variety traces back to crosses between an ecotype stemming from the canton of Jura, and Mattenklee breeding material. The new variety is characterised by a lower, flatter growth habit and…
Environment

Duss M., Meichtry-Stier K., Pasinelli G., Baur B., Birrer S.

Grasshoppers and crickets benefit from connected ecological compensation areas

The quality and connectivity of ecological compensation areas (ECA) may be improved by habitat connectivity projects. The effects of such a project on the distribution of field cricket (Gryllus campestris) and large gold grasshopper (Chrysochraon dispar) were studied in the Plain of Wauwil (canton of Lucerne). The presence of both species, as well as eight…
Animal production

Piccand V., Cutullic E., Schori F., Kekeis K., Gazzarin C., Wanner M., Thomet P.

Wich cow for pasture-based production systems?: Synthesis and outlook

The objective of the study was to compare, within pasture-based seasonal-calving systems, the performance of Swiss Holstein-Friesian, Fleckvieh and Brown Swiss dairy cows with New Zealand Holstein-Friesian dairy cows. Within the trial, the two Holstein breeds had the best production performance, whereas the Fleckvieh cows had optimal reproductive performance. Swiss Holstein cows were efficient milk…
Food

Bachmann H.-P., Eugster E., Guggenbühl B., Schär H.

World champion cheese cultures

Swiss cheeses regularly win prizes at international contests. Experts widely agree that the microbial cultures from Liebefeld have contributed greatly to this success story. Thanks to the use of cultures with bacteria originally stemming from biodiversity in the nearby area, the connection between traditional Swiss cheeses and their terroir can be strengthened considerably. This article…
Plant production

Silvestri G., Egger S.

Robust varieties crucial for fireblight control

The loss of traditional apple orchards, also due to fire blight outbreaks, is threatening the supply of the Swiss cider industry in high quality cider apples. Fireblight tolerant varieties are a key-factor in a sustainable disease-management. They not only ensure the availability of high quality cider apples, but also help to maintain traditional orchards, playing…
Plant production

Musa T., Jenny E., Forrer H.-R., Vogelgsang S.

Fusaria and mycotoxins in grain maize in Switzerland

Between 2008 and 2010, Agroscope Reckenholz- Tänikon ART conducted a first Swiss-wide monitoring of commercial grain maize samples. The aim was to determine the occurrence and impact of different Fusarium species in order to assess the potential risk of mycotoxin contamination. In addition, we evaluated the potential influence of different cropping factors in order to…

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