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Möglichkeiten zur Verbesserung der Siliereigenschaften verschiedener perennierender Gras-/ Leguminosenmischungen durch Hoch-Zucker-Gräser

Laser, H. and Leithold, G. (2007) Möglichkeiten zur Verbesserung der Siliereigenschaften verschiedener perennierender Gras-/ Leguminosenmischungen durch Hoch-Zucker-Gräser. [Chances to improve the fermentability of different perennial grass/legume mix-tures using high sugar grasses.] Poster at: Zwischen Tradition und Globalisierung - 9. Wissenschaftstagung Ökologischer Landbau, Universität Hohenheim, Stuttgart, Deutschland, 20.-23.03.2007.

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Summary

Herbage from legumes or legume-rich swards potentially has lower concentrations of water soluble carbohydrates (= wsc) and a higher buffering capacity (= bc) than grass grown in pure stands. The analysis of three forage legumes (= Trifolium repens, Tri-folium pratense and Lotus corniculatus) in monoculture and mixtures (= 50/50) with the grass species Festuca rubra demonstrates, that the ratio of wsc concentration to bc is critical low, especially when the herbage is harvested at physiological young stages to obtain a higher forage quality. This means an increased risk for silage mak-ing, especially at DM contents which are below 30%. New breedings of the grass spe-cies Lolium perenne with higher sugar contents offer a possibility to increase the wsc concentration in grass/legume mixtures. Our studies show, that the tested high-sugar grass is suitable to increase the wsc concentrations in mixture. However, the grass has grown in monoculture. A present project is focussed on the open question if the advantage of high-sugar varieties is also evident in legume/grass mixtures.


EPrint Type:Conference paper, poster, etc.
Type of presentation:Poster
Keywords:Pflanzenbau, Grünland, Tierernährung, Silierung
Subjects: Crop husbandry > Crop combinations and interactions
Animal husbandry > Feeding and growth
Research affiliation: International Conferences > 2007: Scientific Conference on Organic Agriculture > 1 Plant and Soil > 1.1 Crop production and soil tillage
Germany > University of Gießen > Institute of Agronomy and Plant Breeding II
Deposited By: Laser, PD Dr. Harald
ID Code:9102
Deposited On:23 May 2007
Last Modified:12 Apr 2010 07:34
Document Language:German/Deutsch
Status:Published
Refereed:Peer-reviewed and accepted
Additional Publishing Information:Die endgültige Version des Beitrags ist veröffentlicht in:
S. Zikeli, W. Claupein, S. Dabbert, B. Kaufmann, T. Müller und A. Valle Zárate, Hrsg. (2007)
Zwischen Tradition und Globalisierung – 9. Wissenschaftstagung Ökologischer Landbau, Universität Hohenheim, Deutschland, 20.-23. März 2007, https://orgprints.org/10742/

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