Publication Date
2022
Publisher
Department of Primary Industries and Regional Development, Western Australia
City
Perth
Abstract
Introducing new plants to an area may have both positive and negative effects on the environment, economy and community. To minimise the negative environmental impact of introducing new agricultural species, DPIRD conducts a risk assessment procedure based on widely accepted scientific standards. This report assesses Caatinga stylo (Stylosanthes seabrana). Stylosanthes seabrana is a perennial legume native to Bahia Region of Brazil. The common name ‘Caatinga’ is a type of subtropical vegetation (xeric shrubland and thorn forest), and an ecoregion characterized by this vegetation in interior north-eastern Brazil. Caatinga stylo is a short-lived perennial and generally lives between 2 to 4 years. It has a woody base and trifoliate leaves with elongated leaflets. The two varieties released in Australia in 1996 have an erect growth habit to ~1m and are resistant to anthracnose disease (Edy and Mass 1997; Edye et al. 1998; Maass and Mannetje 2002; Cook et al. 2020).
Number of Pages
12
Keywords
weed risk, assessment, biosecurity, Western Australia, Caatinga stylo, Stylosanthes seabrana
Disciplines
Biosecurity | Weed Science
Recommended Citation
Department of Primary Industries and Regional Development, Western Australia.
(2022), Stylosanthes seabrana - environmental weed risk assessment 2022. Department of Primary Industries and Regional Development, Western Australia, Perth. Report.
https://library.dpird.wa.gov.au/bs_wra/93
