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Description
Nassella Cernua, also known as Serrated Tussock, is a perennial grass that originated from South America. It is a common weed in Australia, New Zealand, and some parts of North America. This invasive species has caused significant ecological and economic damage to pastures, crops, and natural ecosystems.
Taxonomic Information
| Domain | Eukaryota |
|---|---|
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Liliopsida |
| Order | Poales |
| Family | Poaceae |
| Genus | Nassella |
Appearance
Nassella Cernua has long, slender leaves that can grow up to 50 cm in length. The leaves are serrated, with sharp edges that can cause skin irritation. The plant can grow up to 1.5 meters in height and has a dense, tufted habit. The inflorescence is a panicle that can reach up to 30 cm in length and contains numerous spikelets. The spikelets are 5-10 mm long and have long awns that can be up to 15 cm in length.
Care Guide
Nassella Cernua is an invasive species and should not be planted intentionally. If you have this plant in your garden or property, it is important to control its spread.
- Water: Nassella Cernua is drought-tolerant and can survive in dry conditions.
- Fertilization: Fertilization can promote the growth of Nassella Cernua, so it is not recommended to fertilize this plant.
- Soil: This plant can grow in a wide range of soil types, including sandy, loamy, and clay soils.
- Sunlight: Nassella Cernua prefers full sun, but it can also grow in partial shade.
- Hardiness Zones: This plant can grow in USDA hardiness zones 6-10.
Common Pests & Diseases
Nassella Cernua is not commonly affected by pests or diseases. However, it can be susceptible to fungal infections, such as rust and smut.
Habitat
Nassella Cernua can grow in a wide range of habitats, including grasslands, pastures, roadsides, and disturbed areas. It prefers dry, open areas and can tolerate a range of temperatures and soil types. This plant is invasive and can outcompete native species, reducing biodiversity and altering ecological processes.
Question and Answer
Q: Is Nassella Cernua poisonous?
A: Nassella Cernua is not poisonous to humans or animals, but it can cause skin irritation due to its serrated leaves.
Q: How can I control the spread of Nassella Cernua?
A: You can control the spread of Nassella Cernua by manually removing the plant, mowing it regularly, or using herbicides. It is important to dispose of the plant properly to prevent its spread.
Q: Can Nassella Cernua be used for erosion control?
A: While Nassella Cernua can tolerate drought and grow in a range of soils, it is not recommended for erosion control due to its invasive nature.
Q: Is Nassella Cernua a threat to agriculture?
A: Yes, Nassella Cernua is a significant threat to agriculture, as it can reduce crop yields and degrade pastures. It is important to control its spread to prevent economic losses.
Related Plants
- Nassella Tenuissima
- Nassella Neglecta
- Nassella Pulchra
- Nassella Lepturoides
References
- Baker, H. G. (1974). The evolution of weeds. Annual Review of Ecology and Systematics, 5(1), 1-24.
- Csurhes, S., & Edwards, R. (2008). Serrated tussock (Nassella trichotoma). Queensland Government, Department of Primary Industries and Fisheries.
- Parsons, W. T., & Cuthbertson, E. G. (2001). Noxious weeds of Australia. CSIRO Publishing.
