Reproduction of Dandelion (Taraxacum Officinale) in a Higher Co2 Environment

  title={Reproduction of Dandelion (Taraxacum Officinale) in a Higher Co2 Environment},
  author={Tamara M. McPeek and Xianzhong Wang},
  booktitle={Weed Science},
Abstract Dandelion is a cosmopolitan weed of economic and environmental significance because of its negative effects on crop yield and the large amount of herbicides used for its control in agricultural, residential, and recreational areas in North America. Asexual dandelion plants, which are apomictic and produce genetically identical seeds, provide a great experimental model for biological studies, such as examination of its reproductive responses to global environmental changes. In a growth… 
Elevated Carbon Dioxide Alters the Relative Fitness of Taraxacum officinale Genotypes
The results suggest that genotypes of Taraxacum officinale vary widely in fitness at elevated [CO2] whether grown in monocultures or in mixed communities, and that this species could adapt rapidly to rising atmospheric [ CO2].
Seed germination and rising atmospheric CO2 concentration: a meta-analysis of parental and direct effects
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Competitive interactions between native and invasive exotic plant species are altered under elevated carbon dioxide
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Emergence timing and control of dandelion (Taraxacum officinale) in spring wheat
This study determined the emergence timing of dandelion from both rootstock and seed, and the efficacy of preseeding (spring) versus postharvest (autumn) herbicide treatments on dandelions in spring wheat fields.
2,4-D and Phoma herbarum to control dandelion (Taraxacum officinale)
Integration of chemical and biological agents shows potential for enhanced weed control and dandelion response was reduced under field conditions, suggesting that environmental conditions or other factors play a role in efficacy.
The biology of Canadian weeds. 117. Taraxacum officinale G. H. Weber ex Wiggers
Dandelion is a perennial weed occurring in parks, gardens, pastures, orchards, roadsides, vegetable gardens, agricultural crops and horticultural crops, and it acts as an alternative host for several pests and diseases.
Weed control treatments initiated in sainfoin in 1979 and in alfalfa in 1980 included annual applications of terbacil, metribuzin, simazine, hexazinone and chlorsulfuron until 1985 plus an untreated check.
A comparison of phenotypic plasticity in the native dandelion Taraxacum ceratophorum and its invasive congener T. officinale.
Compared to the idea that plasticity promotes invasiveness, results suggest that the lack of plasticity in dispersal-related traits enhances the colonization potential of T. officinale within open and vegetated habitats.
Clonal diversity in taraxacum officinale (compositae), an apomict
Diversity values, expressed as clones per individual, indicate that T. officinale proved to be more genotypically diverse than other clonal plants previously studied.
Elevated CO2 and leaf shape: Are dandelions getting toothier?
Observations support the long-standing hypothesis that leaf carbohydrate level plays an important role in regulating heteroblastic leaf development, though elevated CO{sub 2} may also affect leaf development through direct hormonal interactions or increased leaf water potential.
Influence of Spring Tillage and Glyphosate Treatment on Dandelion (Taraxacum officinale) Control in Glyphosate-Resistant Canola1
A field study conducted at two locations in southern Manitoba investigating the effect of spring tillage, glyphosate dosage, and application timing on dandelion control in a spring annual glyphosate-resistant canola crop found that applications of glyphosate either preplant or in-crop were not nearly as effective as the postharvest treatments in reducing dandelions density and shoot dry matter the following spring.
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Crops were more responsive to elevated CO 2 than were wild species and these differences and the substantial decline in seed [N] in many species have broad implications for the functioning of future natural and agro-ecosystems.
Of two biotypes of Taraxacum officinale one (D) was shown previously in a glasshouse experiment to out-compete the other (A), but to set fewer seeds in unit time, it is shown that after four years biotype D accounted for c.