A Geographical Atlas of World Weeds.

Barkley, T. M.

doi:10.2307/2806777

Cited by 33 publications

(41 citation statements)

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“…Cat's claw creeper, Macfadyena unguis-cati, is a climbing woody vine native to tropical America, from Mexico through Central America to tropical South America, including Trinidad and Tobago (Everett 1980;Howard 1989;Rafter et al 2008). M. unguis-cati, originally introduced as an ornamental plant, has since become invasive in several countries including Australia, South Africa, India, Mauritius, China, USA (Hawaii and Florida) and New Caledonia (Holm et al 1991;Langeland and Burks 1998;Meyer 2000;Downey and Turnbull 2007). In Australia, it is a major environmental weed in coastal Queensland and New South Wales (Quirico 1992;Batianoff and Butler 2003) where it poses a significant threat to biodiversity in riparian areas, rainforest communities and remnant natural vegetation (Csurhes and Edwards 1998;Batianoff and Butler 2003).…”

Section: Introductionmentioning

confidence: 99%

What lies beneath? The pattern and abundance of the subterranean tuber bank of the invasive liana cat's claw creeper, Macfadyena unguis-cati (Bignoniaceae).

Osunkoya¹,

Pyle

Scharaschkin

et al. 2009

Aust. J. Bot.

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Cat’s claw creeper, Macfadyena unguis-cati (L.) Gentry (Bignoniaceae) is a major environmental weed of riparian areas, rainforest communities and remnant natural vegetation in coastal Queensland and New South Wales, Australia. In densely infested areas, it smothers standing vegetation, including large trees, and causes canopy collapse. Quantitative data on the ecology of this invasive vine are generally lacking. The present study examines the underground tuber traits of M. unguis-cati and explores their links with aboveground parameters at five infested sites spanning both riparian and inland vegetation. Tubers were abundant in terms of density (~1000 per m2), although small in size and low in level of interconnectivity. M. unguis-cati also exhibits multiple stems per plant. Of all traits screened, the link between stand (stem density) and tuber density was the most significant and yielded a promising bivariate relationship for the purposes of estimation, prediction and management of what lies beneath the soil surface of a given M. unguis-cati infestation site. The study also suggests that new recruitment is primarily from seeds, not from vegetative propagation as previously thought. The results highlight the need for future biological-control efforts to focus on introducing specialist seed- and pod-feeding insects to reduce seed-output.

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Section: Introductionmentioning

confidence: 99%

What lies beneath? The pattern and abundance of the subterranean tuber bank of the invasive liana cat's claw creeper, Macfadyena unguis-cati (Bignoniaceae).

Osunkoya¹,

Pyle

Scharaschkin

et al. 2009

Aust. J. Bot.

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“…We observed 23 plant genera in total with the genus Hordeum (includes barley) and Triticum (includes wheat) as first and third-most abundant next to the genus Chenopodium . The high Chenopodium frequency can be explained with Chenopodium album being a major weed in wheat and barley crops in temperate and European regions [44, 45] and so contributing to Chenopodium presence in the data.…”

Section: Discussionmentioning

confidence: 99%

Air-seq: Measuring air metagenomic diversity in an agricultural ecosystem

Giolai

Verweij

Pearson

et al. 2022

Preprint

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Background: All species shed DNA into their environment during life or in death providing an opportunity to monitor biodiversity via its environmental DNA. Biodiversity monitoring using environmental DNA based technologies has become an important tool in understanding ecosystems. In recent years promising progress for non-invasive and, more importantly, non-destructive monitoring has been made by combining the retrieval of information transmitted by released environmental DNA with high-throughput sequencing technologies. Important ecosystems under continuous threat by disease but essential for food supplies are agricultural systems, often farmed as large monocultures and so highly vulnerable to disease outbreaks. Pest and pathogen monitoring in agricultural ecosystems is therefore key for efficient and early disease prevention and management. Air is rich in biodiversity, but has the lowest DNA concentration of all environmental media and yet it is required for windborne spread by many of the world's most damaging crop pathogens. Our work and recent research suggests that ecosystems can be monitored efficiently using airborne nucleic acid information. Results: Here we show that the airborne DNA of microbes can be recovered, sequenced and taxonomically classified, including down to the species level. Monitoring a field growing key crops we show that Air-seq can identify the presence of agriculturally significant pathogens and quantify their changing abundance over a period of 1.5 months often correlating with weather variables. Conclusion: We add to the evidence that aerial environmental DNA can be used as a source for biomonitoring in agricultural and more general terrestrial ecosystems. The ability to detect fluxes and occurrence patterns of species and strains with high throughput sample processing and analysis technologies highlights the value of airborne environmental DNA in monitoring biodiversity changes and tracking of taxa of human interest or concern.

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“…Pioneer and ubiquitous, it grows in moors, coppices, and understories, from plains to 1700 m in altitude. It has been widely introduced as an ornamental plant and it can now be found naturalised in temperate areas of eastern and western USA and Canada, Hawaii, Chile and Argentina, eastern New Zealand, south-eastern Australia, India, Iran, Japan, and Western Cape, South Africa [22,[41][42][43][44][45]. Sexual maturity has been observed after 3 years [45].…”

Section: Biological Materialsmentioning

confidence: 99%

Fire Severity Drives the Natural Regeneration of Cytisus scoparius L. (Link) and Salix atrocinerea Brot. Communities and the Germinative Behaviour of These Species

Cruz

García-Duro

Riveiro

et al. 2020

Forests

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Research Highlights: Data indicated that fire severity modulates natural regeneration of Cytisus scoparius and Salix atrocinerea communities and drives much stronger effects on the germination of the dominant species. Background and Objectives: Previous studies demonstrated that fire severity induces different behaviours in plant species. Mother plant age is an important feature that must also be considered in plans of forest restoration. The objectives were to determine, in field studies, the effect of fire severity on the natural regeneration of C. scoparius and S. atrocinerea communities, to know the role of mother plant age on the germination of seeds of C. scoparius and S. atrocinerea, and to quantify their germination response at different levels of fire severity, in laboratory settings. Material and Methods: We have analysed the role of fire severity on the natural regeneration of C. scoparius and S. atrocinerea communities considering cover and height. Forty 30 × 30 m plots were randomly located in C. scoparius and S. atrocinerea communities. Fire severity on the germination of dominant species was tested through different levels of smoke, charcoal, ash, and heat. Results: High severity reduced the vertical cover and growth in height of the two communities and favoured the increase of cover of woody species in the C. scoparius community and herbaceous species in the S. atrocinerea community. Mother plant age determined germination percentages of C. scoparius seeds. Germination of C. scoparius was increased by moderate heat, and heat and smoke; and fire severity greatly reduced germination of S. atrocinerea. Conclusions: The regeneration responses after fire were largely controlled by interactions between the fire severity and the individual species regeneration strategies. For restoration purposes, C. scoparius seeds should be treated with 80 °C and smoke for 10 min, in order to increase germination; however, Salix seeds should be used without treatment and immediately after dispersion.

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A Geographical Atlas of World Weeds.

Cited by 33 publications

References 0 publications

What lies beneath? The pattern and abundance of the subterranean tuber bank of the invasive liana cat's claw creeper, Macfadyena unguis-cati (Bignoniaceae).

What lies beneath? The pattern and abundance of the subterranean tuber bank of the invasive liana cat's claw creeper, Macfadyena unguis-cati (Bignoniaceae).

Air-seq: Measuring air metagenomic diversity in an agricultural ecosystem

Fire Severity Drives the Natural Regeneration of Cytisus scoparius L. (Link) and Salix atrocinerea Brot. Communities and the Germinative Behaviour of These Species

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