Can pasture persistence be improved through the use of nonryegrass species?

Milne, G.D.

doi:10.33584/rps.15.2011.3197

Cited by 4 publications

(4 citation statements)

References 22 publications

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“…Soil moisture is a limiting factor in the establishment of temperate pastures in New Zealand. This is particularly an issue in a dry autumn when the majority (85%) of pastures are established (Milne 2011); warm, dry soil may inhibit the germination of some species more than others. This will have consequences for pasture composition in the short and longer term.…”

Section: Introductionmentioning

confidence: 99%

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Calculating "Hydrothermal time" to quantify seed germination of tall fescue

Sharifiamina¹,

Moot²,

Bloomberg³

2016

Journal of NZ Grasslands

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The objective of this study was to quantify the combined effects of temperature and moisture on germination of tall fescue seed. Seeds were incubated for up to 50 days at a range of constant temperatures (5-35ºC) and germinated at five water potentials (0, -0.18, -0.37, -0.63 and -0.95 MPa). The maximum final germination percentages were 94 to 98 at 15-30ºC when water was not limited (0 MPa). Germination rate increased linearly from 5 to 27.5ºC, and then decreased linearly from 27.5 to 32.5ºC. Extrapolation of the sub-optimal temperatures identified a base temperature of 3.5 ± 0.5ºC and an optimum temperature of 27.5ºC. More negative water potential indicative of drier conditions, delayed germination and reduced germination rate. The average base water potential was -0.95 MPa at the suboptimal range of temperatures. An optimum range of germination (80-100%) occurred when temperatures were between 10 and 30ºC and water potential was between 0 to -0.37 MPa (moderate stress). These results provide a matrix of soil temperature and moisture conditions that are expected to result in successful germination and therefore provide the maximum opportunity for emergence of tall fescue seedlings. Keywords: Festuca arundinacea, 'Finesse Q', hydrothermal time

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Section: Introductionmentioning

confidence: 99%

“…Tall fescue has long been promoted as a useful species for many regions of New Zealand (Milne 2011). It is characterised as highly productive in summer, drought tolerant and persistent (Cowan 1956;Cregan 1978).…”

Section: Introductionmentioning

confidence: 99%

Calculating "Hydrothermal time" to quantify seed germination of tall fescue

Sharifiamina¹,

Moot²,

Bloomberg³

2016

Journal of NZ Grasslands

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“…Strawberry clover is a more drought-tolerant perennial Trifolium species than white clover (Dear et al 2003;Milne 2011). During short periods of soil moisture deficit stress (≤54 days), studies under glasshouse and field conditions have shown strawberry clover's superior capacity to maintain leaf production and functionality relative to red and white clovers (Dodd and Orr 1995;Hofmann et al 2007).…”

Section: Drought Tolerancementioning

confidence: 99%

Strawberry clover (Trifolium fragiferum): current status and future role in Australian agriculture

Smith

Penrose

Langworthy

et al. 2023

Crop & Pasture Science

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Strawberry clover (Trifolium fragiferum L.) is periodically raised as an alternative perennial pasture legume for temperate regions of Australia. Its tolerance of waterlogging is widely known, yet its ability to persist through periods of soil moisture deficit is often understated. Other desirable characteristics include its stoloniferous growth habit and tolerance of mildly saline conditions. Only four strawberry clover cultivars have been registered in Australia, and the most popular, cv. Palestine, is a direct introduction, released in 1938 and first certified in 1951. Furthermore, strawberry clover's distribution has largely been confined to niche environments, particularly waterlogged and saline areas. This paper reviews the taxonomy and breeding system, morphology, distribution and ecology, and subsequent transfer of strawberry clover to Australia. It reviews and maps the suitability of strawberry clover for perennial pasture systems in the medium--high rainfall and irrigated temperate zones of Australia, with reference to future climates. The paper also highlights the breeding focus, commercialisation and marketing required to supersede cv. Palestine and lists the germplasm available in the Australian Pastures Genebank, with origins. We conclude that, although strawberry clover is unlikely to become a dominant perennial pasture legume species in Australia, it could be used in a wider range of environments than just those affected by salinity and/or waterlogging stress.

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“…Northland and Waikato regions have climates not always conducive for ryegrass to persist without seedling recruitment. Milne (2011) recognised that tall fescue and cocksfoot had higher survival after drought, due to deeper roots (tall fescue), increased root thickness and mass (tall fescue and cocksfoot) and reduced transpiration rate (tall fescue). So, it is not surprising that tall fescue and cocksfoot persist better than perennial ryegrass in our farm system.…”

Section: Introductionmentioning

confidence: 99%

Direct and indirect effects of resilient pastures at farm scale

Jagger

2021

NZGA R&P Series

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I farm a 550-ha property at coastal Whangarei Heads, Northland, in partnership with my wife Helen. While some land has been in family ownership since the 1850s, our farm has grown over the years through land and farm acquisitions. The farm consists of a dairy platform of 220 ha and 330 ha of dairy beef and dairy support. The farm is kikuyu dominant and summer dry with rainfall varying between 650 and 1100 mm per annum. Summer cropping, in-shed meal feeding, sowing Italian ryegrass and kikuyu mulching are all practices used with the aim of running a sustainable system. Perennial ryegrass pastures have limited persistence and are no longer a focus as more resilient pasture species and varieties are sown.

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Can pasture persistence be improved through the use of nonryegrass species?

Cited by 4 publications

References 22 publications

Calculating "Hydrothermal time" to quantify seed germination of tall fescue

Calculating "Hydrothermal time" to quantify seed germination of tall fescue

Strawberry clover (Trifolium fragiferum): current status and future role in Australian agriculture

Direct and indirect effects of resilient pastures at farm scale

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