Timothy

Tamaki, Hiroyuki; Baert, Joost; Marum, P.

doi:10.1007/978-1-4419-0760-8_14

Cited by 11 publications

(18 citation statements)

References 8 publications

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“…In fact, yield increase through breeding in timothy has been about 0.32% per year since 1969 (Tamaki et al. ), which is similar to gains achieved in other forage grasses or legumes (Casler and Brummer ).…”

mentioning

confidence: 60%

“…The self‐incompatible hexaploid species (2n = 6x = 42) of timothy ( Phleum pratense L.) is an important perennial forage grass in Nordic countries, eastern Canada and northern Japan (Tamaki et al. ). Timothy possesses high nutritive quality and considerable winter hardness (Guo et al.…”

mentioning

confidence: 99%

“…The improvement of timothy forage yield is a major breeding achievement in Japan (Ueda , Tamaki et al. ). In fact, yield increase through breeding in timothy has been about 0.32% per year since 1969 (Tamaki et al.…”

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confidence: 99%

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Use of molecular marker diversity to increase forage yield in timothy (Phleum pratense L.)

et al. 2012

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confidence: 60%

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confidence: 99%

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Use of molecular marker diversity to increase forage yield in timothy (Phleum pratense L.)

et al. 2012

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“…The controversy related to the timothy genome structure remains unresolved: auto‐, allo‐ or autoallo‐hexaploid (Tamaki et al . ). The yield decrease is theoretically expected also in advanced generations unless it is an allohexaploid.…”

Section: Discussionmentioning

confidence: 97%

“…Raising the forage yield remains a high‐priority target of timothy breeding programs in Japan (Ueda ; Tamaki et al . ). Tamaki et al .…”

Section: Introductionmentioning

confidence: 97%

Evaluation of forage yield performance in advanced generations of a timothy “clone and strain synthesis” strain

et al. 2013

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Clone and strain synthesis (CSS) is similar to variety synthesis to boost improvement of yield in perennial self‐incompatible forage grasses such as timothy (Phleum pratense L.). This study was undertaken to investigate the scale of inbreeding depression in advanced generations of CSS. The second to fourth synthetic generations (Syn2–4) of timothy CSS strain, ‘Kitakei 04306,’ were compared for cumulative annual dry matter yields (DMYs) and some agro‐morphological characteristics of 2009–2011. No significant difference was found among the generations for any examined characteristic, aside from a slight yield decrease (–1.7% for Syn2–4) with the advance of generations. Furthermore, DMY of Syn4, corresponding to a generation propagated as commercial seeds, remained 9.0% higher than that of its pollen parent. These results indicate the yield superiority of ‘Kitakei 04306.’ A risk of severe yield decrease in CSS could not be shown in our limited experiments.

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Red deer grazing pressure on agricultural grass meadows from broad to local scale

Hjermann,

Bilet,

Rivrud

et al. 2024

Wildlife Biology

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Grazing by wildlife on agricultural land is widespread across geographical regions, and can cause human–wildlife conflicts due to reduced crop yield when the grazing pressure is high. Growing red deer Cervus elaphus populations in Europe call for an increased understanding of their grazing patterns to mitigate damages. We quantified how red deer grazing pressure (grazing presence and grazing level) on agricultural grass meadows (n = 60) in Norway varied across multiple spatial scales. We used a nested, hierarchical study design transcending from a broad scale (meadows across the landscape) to intermediate (between nearby meadows) and local (within‐meadow) scales, allowing us to identify at which scale the variation in grazing pressure was strongest. We estimated how grazing was determined by broad‐scale factors influencing forage availability and quality through population density, distance to coastline, and differences between the first versus second harvest, by intermediate‐scale factors in terms of meadow management causing differences in botanical composition and quality, and by local‐scale factors in terms of perceived predation risk and disturbance. At a broad scale, higher population densities were associated with higher grazing pressure, and more grazing occurred before the first compared to the second harvest. Intermediate‐scale factors explained the most variation of grazing pressure from red deer, with higher grazing pressure on newly renewed meadows compared to other nearby meadows. On a local scale, more grazing occurred closer to the forest edge, providing cover, and further away from infrastructure, with increased risk and disturbance. Overall, our study highlights how drivers of grazing pressure on agricultural land vary across spatial scales. Population reductions on a broader scale may have some effect in reducing the grazing pressure, but renewed meadows will nevertheless attract red deer, causing higher grazing pressure compared to neighbouring meadows. This insight is crucial for determining effective mitigation strategies facing rising red deer populations across Europe.

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Timothy

Cited by 11 publications

References 8 publications

Use of molecular marker diversity to increase forage yield in timothy (Phleum pratense L.)

Use of molecular marker diversity to increase forage yield in timothy (Phleum pratense L.)

Evaluation of forage yield performance in advanced generations of a timothy “clone and strain synthesis” strain

Red deer grazing pressure on agricultural grass meadows from broad to local scale

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