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Conference Papers Year : 2024

The influence of defoliation method on perennial ryegrass variety evaluation

Abstract

Perennial ryegrass variety evaluations are conducted using mechanical defoliation (cutting) which differs from how grasslands are primarily utilised on farm in Ireland (grazing). The objective of this study was to compare the herbage yield and nutritive quality of perennial ryegrass varieties assessed under both mechanical harvesting and animal grazing protocols. Fifteen perennial ryegrass varieties were sown in two studies and evaluated over 3 years. Low correlations were found between defoliation methods for herbage production traits such as herbage yield (r=0.29), while high correlations (r>0.90) were recorded for quality traits.
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Dates and versions

hal-04616163 , version 1 (18-06-2024)

Identifiers

  • HAL Id : hal-04616163 , version 1

Cite

Tomás Tubritt, Luc Delaby, Michael O'Donovan. The influence of defoliation method on perennial ryegrass variety evaluation. 30. General meeting of the European Grassland Federation (EGF2024), Jun 2024, Leeuwarden, Netherlands. pp.431-433. ⟨hal-04616163⟩

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