White Clover

Gibson, Pryce B.; Cope, W. A.

doi:10.2134/agronmonogr25.c20

Cited by 25 publications

(15 citation statements)

References 21 publications

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“…The benefits of legumes in pasture production are well understood. Numerous studies have found multiple benefits of adding legumes to grass pastures including increased forage quality, nutritive value, and protein concentration (Posler et al, 1993; Sleugh et al, 2000); better animal performance in grass‐legume pastures than in monoculture grass pastures (Burns et al, 1973); an extended grazing season (Gibson and Cope, 1985; Sleugh et al, 2000); decreased weed potential (Sanderson et al, 2005; Wagner, 1954) and soil erosion (Gibson and Cope, 1985); and increased grass yield due to N fixation by the legume (Gibson and Cope, 1985; Sanderson et al, 2005; Sleugh et al, 2000; Wagner, 1954).…”

Section: Hairy Buttercup: a Widespread Problem In Southeastern Us Pmentioning

confidence: 99%

“…A strong indicator of the potential amount of N fixed by the clover is the percent clover present in the pasture. A commonly recommended 30% stand of legume should supply the N needs for existing grass in the mixture; once stands fall below 20% white clover, it should be reseeded (Gibson and Cope, 1985). The ability to control pasture weeds effectively without damaging the clover stand may help producers maintain stands resulting in reduced fertilizer and reseeding costs.…”

Section: Hairy Buttercup: a Widespread Problem In Southeastern Us Pmentioning

confidence: 99%

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Hairy Buttercup Control and White Clover Tolerance to Pasture Herbicides

Enloe

Johnson

Renz³

et al. 2014

Forage grazinglands

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Hairy buttercup (Ranunculus sardous Crantz) is a winter annual weed in southeastern U.S. pastures. Its potential toxicity and aggressive spring growth have made it a widespread concern among producers, especially in mixed grass‐legume pastures. Few published studies have reported on its ecology or control. Furthermore, a lack of herbicide selectivity has historically been a problem when broadleaf weed control is needed in mixed grass‐legume pastures. To address this issue, we compared multiple formulations of 2,4‐D with imazethapyr, hexazinone, and aminopyralid + 2,4‐D at December and February application timings for hairy buttercup control and white clover (Trifolium repens L.) tolerance. Dimethylamine, diethanolamine, and ester formulations of 2,4‐D were effective in controlling hairy buttercup at 0.4 kg/ha. White clover cover was similar between all 2,4‐D treated plots and the unsprayed control plots. Imazethapyr was also effective in controlling hairy buttercup. Hexazinone was not effective for hairy buttercup control and resulted in a considerable reduction in white clover. Aminopyralid + 2,4‐D provided excellent hairy buttercup control but also eliminated clover cover. Herbicide treatments were very effective at both application timings. These studies indicate that hairy buttercup can be effectively controlled in mixed white clover/grass pastures with multiple herbicide options without reducing white clover populations.

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Section: Hairy Buttercup: a Widespread Problem In Southeastern Us Pmentioning

confidence: 99%

Section: Hairy Buttercup: a Widespread Problem In Southeastern Us Pmentioning

confidence: 99%

Hairy Buttercup Control and White Clover Tolerance to Pasture Herbicides

Enloe

Johnson

Renz³

et al. 2014

Forage grazinglands

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“…W hite clover is an important perennial pasture legume in the temperate regions of the world. Characteristics such as superior feeding value, high acceptability by stock, and symbiotic fixation of atmospheric N 2 make white clover a valuable forage component in the sward (Gibson and Cope, 1985; Frame and Newbould, 1986). Two important characteristics necessary for white clover to viably enhance pasture production systems are reliable seasonal herbage production and vegetative plant persistence (Gramshaw et al, 1989).…”

mentioning

confidence: 99%

Genotypic Variation for Morphological Traits in a White Clover Mapping Population Evaluated Across Two Environments and Three Years

et al. 2013

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Phenotypic measurements of plants growing in swards are often confounded by a combination of environmental variation and experimental error. Genetic analysis allows plant scientists to decipher genomic regulation control of key traits, informing breeding strategies and enabling marker‐aided breeding. Our research objective was to estimate genotypic variation for a range of key aboveground morphological traits in a white clover (Trifolium repens L.) F1 mapping population evaluated over 3 yr across two contrasting New Zealand environments in mixed sward conditions. Significant (P < 0.05) genotypic variation for internode length, node number, stolon branching, and stolon thickness was observed, both within individual environments and also across environments and years. There was also significant (P < 0.05) genotypic variation within the population for herbage growth within seasons and across years at the Palmerston North site, which was related to the morphological characters. The potential genetic variation was also characterized by repeatability estimated within individual environments and across environments and years. Analysis of progeny performance across years within a site indicated significant (P < 0.05) genotype × year interaction for most of the morphological traits and mean seasonal growth. There was also significant (P < 0.05) genotype × environment × year interaction for some traits. The significant and large genotype × environment interactions emphasized the importance of trials conducted across multiple environments and years in perennials such as white clover. Genotypes with positive correlation between herbage growth and stolon branching, a trait associated with vegetative persistence, were identified. An interesting observation was the range of diverse phenotypes within the population, the result of a simple pair cross between two morphologically and genetically distinct parents. When extended to include a marker analysis, these trait data will provide for a more thorough understanding of the genetic architecture and control of these pivotal economic traits in white clover and their response to change in environment.

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“…After 48 hours of incubation, the number of seeds germinated and the root length of the plants was measured. White clover (Trifolium repens L.) was used in this experiment as a plant which is sensitive to a saline and highly alkaline environment [12,13] of the type which occurs in Solvay waste. White clover is also a common component of grass mixes for different reclamation purposes.…”

Section: Materials and Methodologymentioning

confidence: 99%

Ecotoxicological Risk of Alkaline Sodic Waste on Plant Development

Świdwa-Urbańska

Kalisztan

2019

GaEE

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The influence of mixtures of soils and Solvay sediments on plant development was investigated under laboratory conditions to explore the possibility of the revegetation of abandoned post-industrial areas. The sodic alkaline wastes used as a substrate in the research come from settling tanks of the former KZS Solvay Works in Cracow. Such sediments are a mixture of different chemical compounds, characterized by high values of pH and salinity that can constitute strong limiting conditions for future reclamation processes of the area. White clover (Trifolium repens L.), was used in this research as a plant indicator representative of common and sensitive species to the toxic effects of soil high alkalinity and salinity. This work examined the effect of soda factory waste pollution, mixed with three types of soils in four variants of soil: waste ratio, on germination rate and root length development as response variables. The results, analyzed statistically, confirm an inhibiting effect of soda wastes on Trifolium repens L. germination with the significant inhibition of early phase of radicle growth and their elongation. Experiments were conducted on Petri dishes and were based on the Zucconi test. Ecotoxicological risk was evaluated by the percentage of relative seed germination (RSG), relative radicle growth (RRG) and calculated index of germination (GI).

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White Clover

Cited by 25 publications

References 21 publications

Hairy Buttercup Control and White Clover Tolerance to Pasture Herbicides

Hairy Buttercup Control and White Clover Tolerance to Pasture Herbicides

Genotypic Variation for Morphological Traits in a White Clover Mapping Population Evaluated Across Two Environments and Three Years

Ecotoxicological Risk of Alkaline Sodic Waste on Plant Development

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