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Description
Echinochloa Crus-Pavonis, commonly known as the Pitted Barnyard Grass, is an annual grass species that belongs to the Poaceae family. It is native to tropical and subtropical regions of Asia, Africa, and Australia. The plant produces a large number of seeds that can remain viable for several years in the soil, making it a persistent weed in many agricultural fields.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Monocotyledonae |
| Order | Cyperales |
| Family | Poaceae |
| Genus | Echinochloa |
Appearance
The Pitted Barnyard Grass can grow up to 1.5 meters tall and has a dense, spreading growth habit. The leaves are flat and can reach up to 30 centimeters in length. The flowers are arranged in a panicle that can be up to 50 centimeters long and have spikelets that are 3-5 millimeters long. The seeds are small, oval-shaped, and have a pitted surface.
Care Guide
The Pitted Barnyard Grass is a hardy plant that can tolerate a wide range of growing conditions. However, it prefers moist, well-draining soil and full sunlight. Water the plant regularly, but avoid overwatering as it can cause root rot. Fertilize the plant with a balanced fertilizer every 4-6 weeks during the growing season. The plant is hardy to USDA Zones 4-9.
Common Pests & Diseases
The Pitted Barnyard Grass is susceptible to a number of pests and diseases, including armyworms, cutworms, and smut. It can also be affected by fungal diseases such as leaf spot and rust. To prevent pest and disease problems, keep the plant healthy by providing it with adequate water and nutrients.
Habitat
The Pitted Barnyard Grass is commonly found in agricultural fields, pastures, and disturbed areas. It can also grow in wetlands and along the edges of ponds and streams.
Question and Answer
Q: Is Echinochloa Crus-Pavonis poisonous to humans or animals?
A: No, the plant is not poisonous, but it can cause digestive problems if consumed in large quantities.
Q: Can the Pitted Barnyard Grass be used for landscaping?
A: No, the plant is considered a weed and is not recommended for landscaping purposes.
Q: How long does it take for the plant to produce seeds?
A: The plant can produce seeds within 2-3 months of germination.
Q: Can the Pitted Barnyard Grass be controlled with herbicides?
A: Yes, selective herbicides can be used to control the plant in agricultural fields.
Related Plants
- Echinochloa colona
- Echinochloa crus-galli
- Echinochloa frumentacea
- Echinochloa muricata
References
- USDA Plants Database. (n.d.). Echinochloa Crus-Pavonis. Retrieved from https://plants.usda.gov/core/profile?symbol=ECRUC2
- Missouri Botanical Garden. (n.d.). Echinochloa Crus-Pavonis. Retrieved from https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=287354&isprofile=0&letter=e
- University of California Agriculture and Natural Resources. (n.d.). Barnyardgrass. Retrieved from http://ipm.ucanr.edu/PMG/WEEDS/barnyardgrass.html
