Crown Rust and Brown Blight Infection of Perennial Ryegrass Cultivars Representing Three Maturity Groups

Aavola, R.; Sooväli, Pille; Tamm, S.; Bender, Ants

doi:10.1007/978-3-319-89578-9_34

Cited by 1 publication

(1 citation statement)

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“…Very similar trends have been observed in earlier studies on festulolium and perennial ryegrass in Lithuania [31,33], as well as in Norway and other Nordic countries [23,59]. A three-year study of fungal infections in perennial ryegrass in Estonia demonstrated a significant effect of cultivar and year on rust damage in tetraploid perennial ryegrass, whereas diploid cultivars were primarily damaged by leaf spot [60]. Although fungal diseases currently cause minimal forage damage in Lithuania and can be controlled through good management practices, disease resistance should not be disregarded by grass breeders due to predicted longer and warmer vegetation periods in the future.…”

Section: Discussionsupporting

confidence: 84%

Italian Ryegrass as a Forage Crop for the Baltics: Opportunities and Challenges in Light of Climate Change

Kemešytė,

Statkevičiūtė,

Norkevičienė

et al. 2023

Plants

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Grasslands are important for sustainable milk and meat production as well as for providing other ecosystem services. One of the most productive components of short-term grasslands is Italian ryegrass (Lolium multiflorum subsp. italicum Lam.), offering high yield, excellent feed value, and high palatability to animals but low tolerance to abiotic stress. Global climate warming opens new opportunities and could be beneficial in increasing the potential of biomass production. In this study, we aimed to assess an Italian ryegrass cultivar of Lithuanian origin, ‘Ugnė’, for productivity and yield stability, with special emphasis on their relationship with climatic factors over a period of 14 years. The average winter temperatures and total spring precipitation explained 51% of the first-cut dry matter yield (DMY) variance. Second- and third-cut DMYs were associated with average temperature only. Italian ryegrass cv. ‘Ugnė’ demonstrated the potential to produce high dry matter yields after warm winters and withstand summer drought spells under Lithuanian conditions. However, mid-to-late-summer heat waves might reduce productivity and should be taken into consideration when breeding new Italian ryegrass cultivars.

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