Výsledky vyhledávání - "D.R. Woodfield"

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Differences in nitrogen uptake and marginal yield response between low and high yielding perennial ryegrass (Lolium perenne) genotypes

Autor: C. Farlow, D.R. Woodfield, A.V. Stewart, M. Harmer

Publikováno v: Journal of New Zealand Grasslands. 79:245-249

Current nitrogen (N) use recommendations for perennial ryegrass (Lolium perenne) were derived from the response of historic genotypes certified or bred between 1930 and 1970. Despite significant increase in the yield of modern cultivars in seasons of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7ca2221e997ac730f598d851627f6348
https://doi.org/10.33584/jnzg.2017.79.536

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Akademický článek

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Genetic gain in perennial ryegrass forage yield in Australia and New Zealand

Autor: M. Harmer, A.V. Stewart, D.R. Woodfield

Publikováno v: Journal of New Zealand Grasslands. 78:133-138

Genetic gain of forage yield in pasture species underpins long-term productivity improvements in pastoral agriculture. The value of proprietary seed sales in Australia and New Zealand has resulted in more public and private investment in perennial ry

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3045c3d04e13cc9dd226980b74badc2d
https://doi.org/10.33584/jnzg.2016.78.514

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Future forage plants for hill country systems

Autor: S. N. Nichols, Kioumars Ghamkhar, Colin Eady, Marty J. Faville, J. R. Crush, D.R. Woodfield

Publikováno v: NZGA: Research and Practice Series. 16:233-242

The issues currently limiting the performance of forage plants in hill country are largely unchanged from preceding decades. Low soil pH/high aluminium, low soil phosphate and low soil moisture or summer dry conditions are all ongoing problems. Furth

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::af16da0e3754a81d6885956d751eefb5
https://doi.org/10.33584/rps.16.2016.3226

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New generation white clovers for United Kingdom farming systems

Autor: J.L. Ford, D.R. Woodfield, Mzz Jahufer Johnston

Publikováno v: NZGA: Research and Practice Series. 12:115-118

White clover is used worldwide to improve the nutritive value of pastures and is an increasingly important component of environmentally-sustainable grassland ecosystems. In 1991, a white clover breeding program involving two New Zealand companies (Ag

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e6d4a5fdff6546c9b759e9023920030d
https://doi.org/10.33584/rps.12.2006.3033

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Performance of nematode-resistant white clover in field trials

Autor: D.R. Woodfield, R.N. Watson, C.F. Mercer

Publikováno v: Proceedings of the New Zealand Grassland Association. :29-34

Breeding for improved resistance and tolerance to the clover root-knot nematode, Meloidogyne trifoliophila, and the clover cyst nematode, Heterodera trifolii , has been successful in white c lover, Trifolium repens. White clover lines developed from

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4132619b577800bf5aa55f5ee9ca86e5
https://doi.org/10.33584/jnzg.2005.67.2590

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Development of clovers that are tolerant to clover root weevil

Autor: P.J. Gerard, J.R. Crush, D.R. Woodfield, BM Cooper

Publikováno v: Proceedings of the New Zealand Grassland Association. :23-27

Clover root weevil (CRW) has become a major pest of white clover in pastures in much of the North Island. In contemporary, intensively stocked pastures, high volumes of nitrogen (N) cycling through the soil/plant/ animal system stimulate grass growth

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5ab8806c7a845dd09930405337997364
https://doi.org/10.33584/jnzg.2005.67.2589

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Response to selection for seed yield in six white clover cultivars

Autor: D.R. Woodfield, I.J. Baird, P.T.P. Clifford, K.H. Widdup

Publikováno v: Proceedings of the New Zealand Grassland Association. :103-110

The successful commercialisation of agronomically superior white clover (Trifolium repens) cultivars is dependent on their seed production potential. Field trials were established in 2000 and repeated in 2003 to determine the impact of selection for

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::62899e8bc9cbadeb6a35119d95fca597
https://doi.org/10.33584/jnzg.2004.66.2566

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Genetic tools for increased white clover seed production

Autor: B.A. Barrett, I.J. Baird, D.R. Woodfield

Publikováno v: Proceedings of the New Zealand Grassland Association. :119-126

Genome maps and DNA markers allow plant breeders to decipher the genetic control of commercially vital quantitative traits. Discovery of the components of these genetic control networks will create opportunities to implement more efficient forage bre

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f8108f9d3cb48a1432bc4c0606f310a0
https://doi.org/10.33584/jnzg.2004.66.2568

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