Review: World checklist of white clover varieties II

Caradus, J. R.; Woodfield, D. R.

doi:10.1080/00288233.1997.9513239

Cited by 81 publications

(90 citation statements)

References 159 publications

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“…2) that typically occurs in cloverryegrass swards over summer (Ledgard et al 1990). 'Prestige' appeared to suffer significant losses in DM production earlier than 'kopu', but recovered faster, probably because it has higher stolon density and more nodal points than 'kopu' from which to grow new roots (Caradus & Woodfield 1997).…”

Section: Discussionmentioning

confidence: 99%

Impact of clover root weevilSitona lepidus(Coleoptera: Curculionidae) larvae on herbage yield and species composition in a ryegrass‐white clover sward

Gerard

Hackell

Bell

2007

New Zealand Journal of Agricultural Research

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The effects of root herbivory at five densities of Sitona lepidus larvae (overall means between 4 and 333 larvae m -2 ) were assessed over 2 years on newly established perennial ryegrass-white clover swards in a small plot trial. Initial larval establishment in autumn 2003 was positively related to clover content in plots, and there was no significant impact on clover herbage yield in the first year. Nodule damage in winter 2003 increased with larval density, and results suggested an overcompensatory response in nodule production. A 34-35% reduction in clover yield between highest and lowest S. lepidus densities was recorded for both cultivars in the second year, with greatest losses in spring 2004. This coincided with reductions in clover root and stolon weights. Plant parasitic nematodes and grass grub larvae were most abundant in the plots with lowest weevil numbers. These results confirm field observations that S. lepidus is a major pest of pastures.

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Section: Discussionmentioning

confidence: 99%

Impact of clover root weevilSitona lepidus(Coleoptera: Curculionidae) larvae on herbage yield and species composition in a ryegrass‐white clover sward

Gerard

Hackell

Bell

2007

New Zealand Journal of Agricultural Research

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“…The allogamous breeding system of white clover contributes to a high level of diversity for morphological traits, and ecological differentiation has led to distinct white clover ecotypes across a range of geographical gradients (Caradus & Woodfield 1997). Diverse morphology is associated with variation in habitat (Davies & Young 1967).…”

Section: Discussionmentioning

confidence: 99%

Agromorphological characterization, cyanogenesis and productivity of accessions of white clover (Trifolium repens L.) collected in Northern Spain

Oliveira¹,

López²,

Palencia³

2013

CZECH J GENET PLANT

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Oliveira J.A., López J.E., Palencia P. White clover (Trifolium repens L.) is an essential element of sustainable livestock systems in temperate climates because of its adaptability to a range of management and soil fertility conditions. The performance of 15 accessions of white clover collected in northern Spain, and of two cultivars, the medium-leaved Huia and the large-leaved California, grown as spaced plants in Galicia, and in sward plots in Asturias was compared over a period of two years. The data obtained were reduced to two principal components that cumulatively explained 92.4% of the total variance. Cluster analysis identified three groups of accessions that described 71% of the phenotypic variation among accessions. One group of five accessions collected from upland sites was characterized by low dry matter yield, low height, reduced plant spread, short petioles, small leaves and thin stolons. This group can be defined as small-leaved and of interest for gardening. Another group, composed only by the cv. California and the cv. Huia, was characterized by high plant spread and height, long wide leaves and thick petioles and stolons; dry matter yields were similar to those of the first group. The last group, which includes ten accessions collected from low and medium altitude sites, had the highest dry matter yields and intermediate morphological character between the previous groups. This group can be defined as medium-leaved and of interest for grazing and/or cutting.

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“…The stolons are very thick and fleshy with long internodes and root readily at the nodes. The number of vascular bundles in the petiole is 6.7 to 8.7 compared with 5.0 to 5.3 in intermediate types and petioles are usually hollow (Caradus and Woodfield, 1997).…”

Section: Origin and Agronomic Descriptionmentioning

confidence: 99%

“…Also, leaf to stem ratio of ladino clover typically is lower and they do not produce such a dense sward as intermediate types (Caradus and Woodfield, 1997).…”

Section: Origin and Agronomic Descriptionmentioning

confidence: 99%