Origin
Cadaba divaricata Gilg is a plant that belongs to the family Capparaceae. It is also known as "Sacre Bleu" and is native to East and South Africa.
Common Names
Cadaba divaricata Gilg has a number of common names: Sacred Blue-flower of the Zulus, Boesman-thorn, Bushman's Bastard Cherry, White Caper Bush, and Wild Covyanthus.
Uses
The plant has several uses. The roots, bark, and leaves are used in traditional medicine to treat conditions such as diarrhea, dysentery, fever, measles, and stomach ailments. The leaves are also used to treat wounds and to soothe skin irritation. The wood of the tree is hard and durable and is used to make tools and weapons by the locals. In addition, the fruit of the plant is used to make dye.
General Appearance
The Cadaba divaricata Gilg is a shrub or small tree that can grow up to 4 meters tall. The plant has thin, flexible branches with thorns that are short and curved. The leaves are simple with an oval shape that is about 2-8 cm long. The flowers are small and clustered together at the tips of the branches with a pale blue or purple color. The fruit of the plant is a berry that is roughly 1-2 cm in diameter and has a green or yellow color.
Light Requirements
Cadaba divaricata Gilg prefers to grow in full sun to partial shade. It can tolerate some shade, but too much shade can result in poor growth and reduced flowering. It is important to ensure that the plant receives enough sunlight to thrive.
Temperature Requirements
The plant is native to tropical and subtropical regions and thrives in warm temperatures. It prefers temperatures between 22 and 30 °C. It is not tolerant of extreme cold temperatures and should be grown in a location protected from strong winds and heavy frost.
Soil Requirements
Cadaba divaricata Gilg grows well in a range of soil types but prefers well-draining soils. It can tolerate soils that are sandy, loamy, or clayey, but the soil should not be too heavy or waterlogged. The ideal soil pH range is between 6.0 and 7.5. The soil should be enriched with organic matter to promote healthy growth.
Cultivation
Cadaba divaricata Gilg is a shrub that grows naturally in arid regions in Africa and the Middle East. It is well adapted to hot and dry environments, making it an ideal plant for xeriscaping. It can be grown from seeds or cuttings. For propagation from cuttings, take a 6-inch cutting from a healthy plant and plant it in well-drained soil. Keep the soil moist until rooting occurs.
Watering
Cadaba divaricata Gilg is drought tolerant, but it requires regular watering during its initial growth stages. Water the plant once a week during the first year of growth. After the plant has established, water it only when the soil becomes dry.
Fertilization
Cadaba divaricata Gilg does not need much fertilizer. You can add compost or a balanced fertilizer during the early stages of growth to provide the plant with necessary nutrients. Avoid over-fertilizing as this can harm the plant.
Pruning
Cadaba divaricata Gilg requires minimal pruning, but it is important to remove any dead or diseased branches regularly. You can also shape the plant by pruning back the tips of its branches. Pruning should be done during the dormant season, either in late winter or early spring, before new growth emerges.
Propagation of Cadaba divaricata Gilg
Cadaba divaricata Gilg, also known as the "African poison rope," is a plant species that belongs to the Capparaceae family. It is native to Africa and is commonly found in dry and arid regions. One of the most effective ways to propagate Cadaba divaricata Gilg is by seed propagation.
Seed Propagation
Seed propagation is the most common and easiest method of propagating Cadaba divaricata Gilg. The ideal time for collecting the seeds is during the months of June to August. The following are the steps to follow for seed propagation:
- Collect mature seeds and clean them to remove any pulp or debris.
- Soak the seeds in water for a few hours to soften the seed coat.
- Scarify the seeds by nicking or scratching the hard outer layer with a knife or sandpaper, which helps in water absorption and encourages germination.
- Fill a seed tray or pot with well-draining potting soil and lightly press the scarified seed into the soil surface.
- Water the seed tray thoroughly and place it in a warm and shaded location.
- Germination of the seeds should occur within two to three weeks.
- Transplant the seedlings into individual pots once they are two inches tall, with good-quality soil.
The seedlings should be kept in a warm and humid environment as they continue to grow. They can be transplanted outdoors once they are strong enough, preferably during the warm months of spring.
Disease Management
Cadaba divaricata Gilg is susceptible to a variety of diseases, including root rot, powdery mildew, and leaf spot. To manage these diseases, it is important to ensure that the plant is growing in well-draining soil, and not over-watering. Adequate spacing should be provided between the plants for air circulation and to prevent the spread of disease. Fungicides can also be used to control powdery mildew and leaf spot, but it is essential to follow the manufacturer's instructions carefully.
Pest Management
Various pests can also damage Cadaba divaricata Gilg, including aphids, spider mites and mealybugs. In case of aphids, it is best to remove and destroy the infected leaves and buds of the plant. Neem oil and insecticidal soaps are also effective against aphids and other soft-bodied pests. To control spider mites, regular misting of the plant foliage creates a humid environment that will discourage their growth. Mealybugs can be removed manually using a cotton swab dipped in rubbing alcohol. For a severe infestation, insecticidal soaps can also be used. Regular inspection of the plants to detect pest problems can help in avoiding spread and damage.
