Variability of yield and forage quality between three heading groups of english ryegrass (Lolium perenne L.) during the first growth / Variabilität von Ertrag und Futterqualität zwischen drei Reifegruppen von Englischem Raygras (Lolium perenne L.) im Verlauf des ersten Aufwuchses
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08 sept. 2016
À propos de cet article
Catégorie d'article: Research Article
Publié en ligne: 08 sept. 2016
Pages: 69 - 75
Reçu: 13 avr. 2016
Accepté: 20 mai 2016
DOI: https://doi.org/10.1515/boku-2016-0007
Mots clés
© 2016 De Gruyter, www.degruyter.com/view/j/boku
This article is distributed under the terms of the Creative Commons Attribution Non-Commercial License, which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.


Summarized ANOVA results for yield and selected parameters of forage quality of Lp cultivars assigned to early, intermediate and late heading groups, ploidy level (diploid and tetraploid) and six weekly harvest dates (from 4th of May to 8th of June)_Tabelle 3_ Zusammengefasste, varianzanalytische Ergebnisse für Ertrag und ausgewählte Kennwerte zur Futterqualität von Lp-Sorten der frühen, mittleren und späten Reifegruppe, zweier Ploidiestufen (diploid und tetraploid) und sechs Ernteterminen im Wochenabstand (vom 4_ Mai bis 8_ Juni)_
dependent variable | ||||
---|---|---|---|---|
yield [dt DM ha–1] | CP [g kg–1 DM] | dOM [%] | NEL [MJ kg–1 DM] | |
heading group (hg) | sign. | sign. | n.s. | n.s. |
ploidy level (pl) | n.s. | n.s. | n.s. | n.s. |
harvest date (hd) | sign. | sign. | sign. | sign. |
hg × hd | sign. | n.s. | sign. | sign. |
hg × pl | n.s. | n.s. | n.s. | n.s. |
hd × pl | n.s. | n.s | n.s. | n.s. |
Energy concentration of Lp-cultivars during the course of the first growth (different letters indicate a significant difference (p < 0_05) between the heading groups at the respective cutting date)_Tabelle 2_ Energiekonzentration von Lp-Sorten im Verlauf des ersten Aufwuchses (unterschiedliche Buchstaben zeigen einen signifikanten Unterschied (p < 0_05) zwischen den Reifegruppen beim jeweiligen Schnitttermin)_
MJ NEL kg–1 DM | 4th May | 11th May | 18th May | 25th May | 1st June | 8th June |
---|---|---|---|---|---|---|
early heading cultivars (n=12) | 6.82a | 7.12a | 7.22a | 7.13a | 6.83a | 6.60a |
intermediate heading cultivars (n=14) | 6.40b | 6.85ab | 7.07a | 7.22a | 7.04a | 6.86ab |
late heading cultivars (n=13) | 6.22b | 6.68b | 7.06a | 7.16a | 7.14a | 7.02b |
Yield dynamic of Lp cultivars during the course of the first growth (different letters indicate a significant difference (p < 0_05) between the heading groups at the respective cutting date)_Tabelle 1_ Ertragsdynamik von Lp-Sorten im Verlauf des ersten Aufwuchses (unterschiedliche Buchstaben zeigen einen signifikanten Unterschied (p < 0_05) zwischen den Reifegruppen beim jeweiligen Schnitttermin)_
dt DM ha–1 | 4th May | 11th May | 18th May | 25th May | 1st June | 8th June |
---|---|---|---|---|---|---|
early heading cultivars (n=12) | 9.90a | 18.60a | 25.17a | 29.86a | 32.94a | 41.47a |
intermediate heading cultivars (n=14) | 7.69b | 12.44b | 18.88b | 20.71b | 27.33b | 38.71a |
late heading cultivars (n=13) | 5.86c | 12.11b | 16.78b | 19.78b | 24.60b | 34.12b |