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- Title
Seed biology of two invasive South African geophytes and implications for natural area management.
- Authors
Brown, Kate; Paczkowska, Grazyna
- Abstract
The article presents a study which examines the seed biology of two invasive South African Iridaceous geophytes and implications for natural area management in Perth, Western Australia. The seed viability, germination patterns, and persistence in the soil seed bank of natural populations was investigated on a disturbed Banksia woodland Freesia and Sparaxis seed burial site. Results show that the seed collected from populations of Freesia was 100% viable while Sparaxis was 85.6% viable. The germination of the Freesia and Sparaxis seeds occurred relatively rapidly in controlled and natural conditions which was completely exhausted in September 2005. Seed persistence of both species was less than 9 months. It concludes that the geophytic life form is capable of surviving fire.
- Subjects
PERTH (W.A.); WESTERN Australia; AUSTRALIA; FREESIAS; SEED viability; SEED physiology; BANKSIA; GERMINATION; IRIDACEAE; SOIL seed banks; NATURE reserves
- Publication
Ecological Management & Restoration, 2008, Vol 9, Issue 3, p232
- ISSN
1442-7001
- Publication type
Article
- DOI
10.1111/j.1442-8903.2008.00425.x