Origin:
Acacia stolonifera Burch. var. chobiensis O.B.Mill. is a member of the Fabaceae family, which originated in southern Africa.
Common Names:
The plant is commonly known as Chobe River Thorn or Chobi Acacia.
Uses:
The Chobe River Thorn has a variety of uses. The bark and roots are used in traditional medicine to treat respiratory problems, fever, and stomach ailments. The tree is also used for its wood, which is strong and durable, making it popular for furniture and construction. The pods are a source of food for wildlife, and the tree provides shade and shelter for animals in savanna habitats.
Appearance:
The Chobi Acacia is a small tree that usually grows up to 4 meters in height. It has a spreading canopy that provides a perfect shade in savanna habitats. The stem of the tree is characterized by the presence of numerous thorns or spines. The leaves are compound, with up to 20 pairs of leaflets per leaf. The flowers are small, creamy white, and usually appear in clusters. The pods that are produced by the tree are straight and flat and can grow up to 15cm in length.
Growth Conditions for Acacia stolonifera Burch. var. chobiensis O.B.Mill.
Acacia stolonifera Burch. var. chobiensis O.B.Mill. is a deciduous shrub that belongs to the family Fabaceae. This plant species is native to southern Africa and can be found in various regions including the Chobe River System, Zimbabwe, and Botswana. The plant is commonly referred to as “Running Wattle” due to its growth habits that involve the formation of long runners.
Light Requirements
Acacia stolonifera Burch. var. chobiensis O.B.Mill. thrives in full sun and partial shade environments. The plant needs at least 6 hours of direct sunlight every day to grow adequately. Insufficient light may lead to stunted growth and poor flowering. Therefore, the plant should be planted in a location with enough sunlight, especially during the growing season.
Temperature Requirements
This plant species is adapted to grow well in warm subtropical climates. Acacia stolonifera Burch. var. chobiensis O.B.Mill. can thrive in temperatures ranging from 18-30°C (65-86°F). Temperatures outside this range may lead to stunted growth, yellowing of the leaves, and wilting. Similarly, frost can cause severe damage to the aerial parts of the plant.
Soil Requirements
Acacia stolonifera Burch. var. chobiensis O.B.Mill. requires well-drained soils that provide adequate aeration to the roots. The plant can grow in a wide range of soils, including sandy, loamy, and clay soils. However, the soil should be rich in organic matter and nutrients to enhance the plant's growth and development. A pH range of 6.0-7.5 is ideal for the plant's growth and development.
In conclusion, Acacia stolonifera Burch. var. chobiensis O.B.Mill. requires full sun or partial shade, warm temperatures, well-drained soils, and a pH range of 6.0-7.5. If given the right conditions, the plant can thrive and reach a height of up to 2 meters.
Cultivation methods
Acacia stolonifera Burch. var. chobiensis O.B.Mill. is best propagated from seed and requires well-draining soil that is slightly acidic. The plant can grow in both semi-shade and full sun conditions. When planting, it is recommended to space the plants about 2 meters apart to provide adequate space for growth.
Watering needs
The plant requires moderate watering. It is essential to ensure the soil does not get too dry or too wet, as either condition can cause damage. Regular watering should be done during the summer, and during winter, watering should be done sparingly.
Fertilization
Fertilization of Acacia stolonifera Burch. var. chobiensis O.B.Mill. should be done during the spring when the plant starts growing actively. A balanced fertilizer should be used, and the application should be at a rate of 100 g per square meter. It is advisable not to over-fertilize the plant, as this can lead to stunted growth.
Pruning
Pruning should be done during the dormant season to maintain the plant's shape and promote new growth. Dead and diseased wood should be removed to prevent further damage to the plant. The plant can also be pruned to form a hedge or screen.
Propagation of Acacia stolonifera Burch. var. chobiensis O.B.Mill.
Acacia stolonifera Burch. var. chobiensis O.B.Mill. is a shrub that can grow up to 2 meters in height. It is most commonly propagated using seeds or cuttings.
Propagation by seeds
The seeds of Acacia stolonifera Burch. var. chobiensis O.B.Mill. can be obtained from mature pods that are collected in the late summer or early autumn. The pods should be allowed to dry and then opened to release the seeds. The seeds can be sown in well-drained soil and covered lightly with soil or sand. They should be watered and kept moist until they germinate, which can take up to 2 months.
Propagation by cuttings
Cuttings of Acacia stolonifera Burch. var. chobiensis O.B.Mill. can be taken from the current year's growth during the dormant season. The cuttings should be about 15-20 cm in length and have at least 2-3 nodes. The leaves on the lower half of the cutting should be removed, and the cutting should be dipped in rooting hormone. The cutting can be placed in moist, well-drained soil and covered with a plastic bag to maintain humidity. The cutting should be watered regularly and kept in partial shade until roots develop, which can take up to 2 months.
Disease Management
Acacia stolonifera Burch. var. chobiensis O.B.Mill. can suffer from various diseases that can lead to reduced yield and even plant death. The most common diseases are:
- Rust: Rust causes orange, red, or yellow spots on the leaves, and can eventually lead to leaf drop. To manage rust, affected plants should be removed and destroyed. Avoid overwatering or getting water on the foliage.
- Fungal leaf spot: Fungal leaf spot appears on the leaves as small, dark spots that gradually get bigger. The leaves may yellow and fall prematurely. To control this disease, remove and destroy any affected leaves. Avoid overhead watering and provide adequate air circulation around the plants.
- Root rot: Root rot is a common disease caused by overwatering or poorly drained soil. It results in the plant wilting and the foliage yellowing or browning. The best management practice is to grow plants in well-draining soils and to avoid overwatering. Fungicides can also be used to control root rot.
Pest Management
Acacia stolonifera Burch. var. chobiensis O.B.Mill. can also be affected by pests, which can cause significant damage to the plant. The most common pests that affect the plant are:
- Mites: Mites are small insects that can cause a stippled appearance on the leaves. They can be managed through the use of insecticidal soap or neem oil. Regular inspection and prompt treatment are recommended.
- Scales: Scales are insects that suck the sap from the plant, causing the leaves to yellow and the plant to weaken. Scales can be controlled by pruning and removing infested branches, or by using insecticidal soap or neem oil.
- Aphids: Aphids are small insects that can be found on the leaves and stems of the plant. They can be controlled through the use of insecticidal soap or by washing the plant with a strong jet of water.
