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  • noun

Synonyms for capeweed

European weed widely naturalized in North America having yellow flower heads and leaves resembling a cat's ears

References in periodicals archive ?
Genetic Variation in the Outbreeding Coloniser Capeweed in South-Western Australia, pp: 51-62.
Ecotypic variation for seed dormancy contributes to the success of capeweed (arctotheca calendula) in western australia.
Capeweed, iceplant, and Cape, Algerian, and English ivy were brought in as speedy ground covers.
Nungarin, capeweed, and annual ryegrass were grown, in a glasshouse, in 5-L pots containing sand.
Capeweed shoots were separated into leaf, stem, and flower head (seed was removed).
Net [sup.15]N mineralisation of root residue N also continued over this period with an additional 5% of clover and 2% of capeweed root [sup.15]N being net mineralised between 7 June and 16 July (Table 5).
Using the combined recovery of applied [sup.15]N in soil mineral N and wheat shoots at the final sampling on 20 November 1991 as a measure of total net [sup.15]N mineralisation, total net [sup.15]N mineralisation during the 8-month experimental period was 15% for subterranean clover, 12% for capeweed, and 12% for annual ryegrass shoot residues (Table 4).
The final, total % recoveries of [sup.15]N for shoot residues were 93%, 92%, and 102%, respectively, for subterranean clover, capeweed, and annual ryegrass (Table 4).
The lignin and polyphenol contents were similar for the 3 shoot residues, and similar net [sup.15]N mineralisation occurred from both the capeweed and ryegrass shoots despite a large difference in the C to N ratio (Table 6).
For the shoot residues, the recoveries of [sup.15]N in wheat at wheat maturity (20 November 1991) were, respectively, 9%, 7%, and 7% of the [sup.15]N applied in the subterranean clover, capeweed, and annual ryegrass (Table 4).
The N contents of the mature shoots used in the studies reported here were within the range of N contents commonly observed in the field at pasture maturity (1.3-2.0% for subterranean clover, 1.3-1.7% for capeweed, and 0.6-0.8% for annual grasses; Rossiter 1966).
The smaller net N mineralisation from the capeweed and annual ryegrass shoots than from the subterranean clover shoots is consistent with the lower N contents and higher C to N ratios of these species.