Magnesium fertilisation enhanced forage yield primarily in tetraploid perennial ryegrass (Lolium perenne L.)

Magnesium (Mg) plays a crucial role in determining the yield and forage quality of perennial ryegrass (Lolium perenne L.), and its deficiency can impair animal health, however its effect remains underexplored, in several regions where Mg deficiency is common. This study, conducted in the northern re...

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Main Authors: Rene Aavola, Anne Ingver, Evelin Loit-Harro, Tanel Kaart, Pille Sooväli, Inga Hiiesalu, Ilmar Tamm
Format: Article
Language:English
Published: Taylor & Francis Group 2025-12-01
Series:Acta Agriculturae Scandinavica. Section B, Soil and Plant Science
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Online Access:https://www.tandfonline.com/doi/10.1080/09064710.2025.2538457
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author Rene Aavola
Anne Ingver
Evelin Loit-Harro
Tanel Kaart
Pille Sooväli
Inga Hiiesalu
Ilmar Tamm
author_facet Rene Aavola
Anne Ingver
Evelin Loit-Harro
Tanel Kaart
Pille Sooväli
Inga Hiiesalu
Ilmar Tamm
author_sort Rene Aavola
collection DOAJ
description Magnesium (Mg) plays a crucial role in determining the yield and forage quality of perennial ryegrass (Lolium perenne L.), and its deficiency can impair animal health, however its effect remains underexplored, in several regions where Mg deficiency is common. This study, conducted in the northern region, investigated the impact of Mg fertilisation on dry matter (DM) yield, feeding value, and disease resistance in cultivars differing in ploidy and maturity. Our results showed that Mg treatment significantly enhanced DM yield and resistance to crown rust (Puccinia coronata Corda), but increased acid detergent fibre concentration thereby decreasing digestibility and metabolisable energy concentration. Tetraploids produced higher crude protein (CP) yield but lower CP concentration compared to diploids. Nonetheless, tetraploids exhibited superior DM yield, digestibility, energy concentration, and intake potential. In addition, tetraploids were more resistant to all the observed diseases: leaf spot (Drechslera siccans (Drechsler) Shoemaker), crown rust and snow mold (Microdochium nivale). Our research addresses the existing knowledge gap regarding the impact of Mg fertilisation on perennial ryegrass production and wider adoption of this valuable forage crop in more northern regions. We recommend to use Mg fertiliser in production of perennial ryegrass even when only moderate deficiency in the soil is observed.
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spelling doaj-art-f0cddc6bd8d741b8be3eb64c9dffc30b2025-08-20T03:16:01ZengTaylor & Francis GroupActa Agriculturae Scandinavica. Section B, Soil and Plant Science0906-47101651-19132025-12-0175110.1080/09064710.2025.2538457Magnesium fertilisation enhanced forage yield primarily in tetraploid perennial ryegrass (Lolium perenne L.)Rene Aavola0Anne Ingver1Evelin Loit-Harro2Tanel Kaart3Pille Sooväli4Inga Hiiesalu5Ilmar Tamm6Centre of Estonian Rural Research and Knowledge, Jõgeva, EstoniaCentre of Estonian Rural Research and Knowledge, Jõgeva, EstoniaEstonian University of Life Sciences, Tartu, EstoniaEstonian University of Life Sciences, Tartu, EstoniaCentre of Estonian Rural Research and Knowledge, Jõgeva, EstoniaInstitute of Ecology and Earth Sciences, University of Tartu, Tartu, EstoniaCentre of Estonian Rural Research and Knowledge, Jõgeva, EstoniaMagnesium (Mg) plays a crucial role in determining the yield and forage quality of perennial ryegrass (Lolium perenne L.), and its deficiency can impair animal health, however its effect remains underexplored, in several regions where Mg deficiency is common. This study, conducted in the northern region, investigated the impact of Mg fertilisation on dry matter (DM) yield, feeding value, and disease resistance in cultivars differing in ploidy and maturity. Our results showed that Mg treatment significantly enhanced DM yield and resistance to crown rust (Puccinia coronata Corda), but increased acid detergent fibre concentration thereby decreasing digestibility and metabolisable energy concentration. Tetraploids produced higher crude protein (CP) yield but lower CP concentration compared to diploids. Nonetheless, tetraploids exhibited superior DM yield, digestibility, energy concentration, and intake potential. In addition, tetraploids were more resistant to all the observed diseases: leaf spot (Drechslera siccans (Drechsler) Shoemaker), crown rust and snow mold (Microdochium nivale). Our research addresses the existing knowledge gap regarding the impact of Mg fertilisation on perennial ryegrass production and wider adoption of this valuable forage crop in more northern regions. We recommend to use Mg fertiliser in production of perennial ryegrass even when only moderate deficiency in the soil is observed.https://www.tandfonline.com/doi/10.1080/09064710.2025.2538457Diseasesdry matterforage qualitymaturityploidy
spellingShingle Rene Aavola
Anne Ingver
Evelin Loit-Harro
Tanel Kaart
Pille Sooväli
Inga Hiiesalu
Ilmar Tamm
Magnesium fertilisation enhanced forage yield primarily in tetraploid perennial ryegrass (Lolium perenne L.)
Acta Agriculturae Scandinavica. Section B, Soil and Plant Science
Diseases
dry matter
forage quality
maturity
ploidy
title Magnesium fertilisation enhanced forage yield primarily in tetraploid perennial ryegrass (Lolium perenne L.)
title_full Magnesium fertilisation enhanced forage yield primarily in tetraploid perennial ryegrass (Lolium perenne L.)
title_fullStr Magnesium fertilisation enhanced forage yield primarily in tetraploid perennial ryegrass (Lolium perenne L.)
title_full_unstemmed Magnesium fertilisation enhanced forage yield primarily in tetraploid perennial ryegrass (Lolium perenne L.)
title_short Magnesium fertilisation enhanced forage yield primarily in tetraploid perennial ryegrass (Lolium perenne L.)
title_sort magnesium fertilisation enhanced forage yield primarily in tetraploid perennial ryegrass lolium perenne l
topic Diseases
dry matter
forage quality
maturity
ploidy
url https://www.tandfonline.com/doi/10.1080/09064710.2025.2538457
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