Profile
This diploid Hybrid ryegrass is one of the highest yielding grasses in the first and second harvest year. An excellent early spring growth and a good resistance to Rhynchosporium are other remarkable characteristics of PIROL. In the 2024/25 recommendation of England & Wales, PIROL convinces with an outstanding early youth development of rel. 115 (% of 1.55t DM/ha).
National listing/Official recommendation:
DE, LU, UK
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high yield performance
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excellent youth development
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type Italian ryegrass
General
| Ploidy | diploid | |
|---|---|---|
| Heading date | 22/05 | |
| Recommended List status | G - General use | |
| Year First Listed | 2005 | |
| Ploidy | diploid | |
|---|---|---|
| Heading date | 22/05 | |
| Recommended List status | G - General use | |
| Year First Listed | 2005 | |
Total annual yields
| 1st harvest year (% of 16.91 t/ha) | 103 | |
|---|---|---|
| 2nd harvest year (% of 12.62 t/ha) | 100 | |
| 3rd harvest year (% of 11.49 t/ha) | 97 | |
| Total yield: Mean (% of 13.79 t/ha) | 100 | |
| 1st and 2nd cut ME yield, first harvest year (% of 111 000 MJ/HA) | 100 | |
| 1st harvest year (% of 16.91 t/ha) | 103 | |
|---|---|---|
| 2nd harvest year (% of 12.62 t/ha) | 100 | |
| 3rd harvest year (% of 11.49 t/ha) | 97 | |
| Total yield: Mean (% of 13.79 t/ha) | 100 | |
| 1st and 2nd cut ME yield, first harvest year (% of 111 000 MJ/HA) | 100 | |
Conservation seasonal growth - year 1
| Early spring growth (% of 1.62 t/ha) | 112 | |
|---|---|---|
| 1st conservation cut (% of 6.02 t/ha) | 97 | |
| 1st conservation cut D-Value | 71.7 | |
| 2nd conservation cut (% of 3.77 t/ha) | 113 | |
| 2nd conservation cut D-Value | 65.3 | |
| Monthly cuts ( % of 5.52 t/ha) | 101 | |
| Early spring growth (% of 1.62 t/ha) | 112 | |
|---|---|---|
| 1st conservation cut (% of 6.02 t/ha) | 97 | |
| 1st conservation cut D-Value | 71.7 | |
| 2nd conservation cut (% of 3.77 t/ha) | 113 | |
| 2nd conservation cut D-Value | 65.3 | |
| Monthly cuts ( % of 5.52 t/ha) | 101 | |
Agronomic characters
| Ground Cover% (2nd harvest year) | 59 | |
|---|---|---|
| Ground Cover% (3rd harvest year) | 46 | |
| Year of Sowing (% of 1.45 t/ha) | 95 | |
| Winter Hardiness (1-9, 1=poor 9=good) | 7.5 | |
| Ground Cover% (2nd harvest year) | 59 | |
|---|---|---|
| Ground Cover% (3rd harvest year) | 46 | |
| Year of Sowing (% of 1.45 t/ha) | 95 | |
| Winter Hardiness (1-9, 1=poor 9=good) | 7.5 | |
Disease resistance
| Ryegrass mosaic virus (1-9, 1=poor 9=good) | 3.9 | |
|---|---|---|
| Mildew (1-9, 1=poor 9=good) | 4.3 | |
| Brown Rust (1-9, 1=poor 9=good) | 5.8 | |
| Crown Rust (1-9, 1=poor 9=good) | 7.1 | |
Source: Recommended grass and clover lists for England and Wales 2025 / 2026
| Ryegrass mosaic virus (1-9, 1=poor 9=good) | 3.9 | |
|---|---|---|
| Mildew (1-9, 1=poor 9=good) | 4.3 | |
| Brown Rust (1-9, 1=poor 9=good) | 5.8 | |
| Crown Rust (1-9, 1=poor 9=good) | 7.1 | |
Source: Recommended grass and clover lists for England and Wales 2025 / 2026
All specified information is given to the best of our knowledge and belief, but without guarantee on completeness and correctness. Despite care we cannot guarantee that the described characteristics are repeatable / comprehensive in agricultural practice in each case. DSV United Kingdom Ltd. excludes adhesion for damage or claims for damages, resulting of the use for the variety specified in this description. Mixture compositions may change if individual varieties are not available. As of 01/2025. Subject to change without notice.