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Description
Paspalum Dilatatum, commonly known as dallisgrass, is a perennial weed that belongs to the Poaceae family. It is native to South America and has been introduced to many parts of the world. This plant grows up to 1 meter tall and has long, flat leaves that can be up to 30 cm in length. It has a deep root system that makes it quite difficult to remove once it has established itself in an area. The plant produces seed heads that can be up to 30cm long and contain numerous spikelets.
Taxonomic Information
| Domain | Eukarya |
|---|---|
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Liliopsida |
| Order | Poales |
| Family | Poaceae |
| Genus | Paspalum |
Appearance
Paspalum Dilatatum has a distinctive appearance due to its long, flat leaves that can be up to 30 cm in length. The plant grows in clumps and can reach up to 1 meter in height. The leaves are bright green in color and have a glossy appearance. The seed heads are long and can be up to 30 cm in length, containing numerous spikelets. The plant’s deep root system makes it quite difficult to remove, and it can quickly spread in favorable conditions.
Care Guide
Paspalum Dilatatum is a hardy plant that requires minimal care. However, there are a few things you can do to help it thrive:
Water
The plant requires regular watering, especially during dry periods. However, it does not tolerate waterlogging, so make sure the soil is well-draining.
Fertilization
Paspalum Dilatatum does not require much fertilization, but it will benefit from a light application of nitrogen-rich fertilizer in early spring.
Soil
The plant prefers well-draining soil that is rich in organic matter. It can tolerate a wide range of soil types, but it does not do well in waterlogged soil.
Sunlight
Paspalum Dilatatum prefers full sunlight but can tolerate some shade.
Hardiness Zones
The plant is hardy in USDA zones 8-11.
Common Pests & Diseases
Paspalum Dilatatum is relatively resistant to pests and diseases. However, it can be affected by the following:
Leaf spot
This fungal disease causes brown spots to appear on the leaves. It can be treated with a fungicide.
Smut
This fungal disease causes black, powdery spores to appear on the seed heads. It can be treated with a fungicide.
Cutworms
These pests can chew through the stems of the plant and cause it to wilt. They can be controlled with insecticides.
Habitat
Paspalum Dilatatum is native to South America but has been introduced to many parts of the world. It grows in a wide range of habitats, including pastures, fields, and roadsides. It prefers warm, humid conditions but can tolerate some drought.
Question and Answer
Q: Is Paspalum Dilatatum poisonous to humans?
A: No, Paspalum Dilatatum is not poisonous to humans. However, it can cause skin irritation in some people.
Q: Can Paspalum Dilatatum be grown indoors?
A: No, Paspalum Dilatatum is an outdoor plant and cannot be grown indoors.
Q: How often should I water Paspalum Dilatatum?
A: Paspalum Dilatatum should be watered regularly, especially during dry periods. However, make sure the soil is well-draining and does not become waterlogged.
Q: Can Paspalum Dilatatum be used as a forage crop?
A: Yes, Paspalum Dilatatum is commonly used as a forage crop for livestock.
Related Plants
- Paspalum Conjugatum
- Paspalum Distichum
- Paspalum Notatum
- Paspalum Vaginatum
References
- https://www.cabi.org/isc/datasheet/38252
- https://www.agric.wa.gov.au/pastures-range-plants/paspalum-dilatatum-dallisgrass
- https://www.gardenorganic.org.uk/weeds/dallis-grass
