Introduction
Digitaria scaettae Robyns is an annual plant from the family Poaceae. It is commonly known as Scaetta Grass and is native to tropical Africa. It is often used as a forage plant for livestock.Appearance
Digitaria scaettae Robyns can grow up to 100 cm tall and has a fibrous root system. Its leaves are narrow, long and erect with a bluish-green color and a prominent mid-vein. Its flowers are arranged in spikes and have tiny, greenish-brown, and hairy spikelets. The plant's seeds are ovoid and light brown.Uses
Digitaria scaettae Robyns is mainly used as a forage plant for livestock in tropical Africa. Its seed is also used as food and to make flour. In traditional medicine, it is used to treat stomach problems, fever, and diarrhea. It is also used as a lawn grass and a ground cover in landscaping. In conclusion, Digitaria scaettae Robyns is a useful and versatile plant that is commonly used in agriculture and traditional medicine in tropical Africa. Its bluish-green leaves, spike-like flowers, and light brown seeds make it an attractive and interesting addition to any garden.Light Requirements
The plant Digitaria scaettae Robyns requires full sunlight to grow properly. It should be placed in areas where it can receive direct sunlight for at least 6 hours a day. Lack of sunlight can lead to stunted growth or even death of the plant.
Temperature Requirements
The plant is native to tropical regions and hence it can only grow in warm and hot temperatures. The ideal temperature for the growth of Digitaria scaettae Robyns is between 27°C to 35°C. It cannot withstand frost, and hence it cannot grow in cold climates.
Soil Requirements
The plant requires a well-draining soil type for optimum growth. Soil that retains water can lead to root rot and other diseases. A soil pH of 6.0 to 7.5 is ideal for the growth of Digitaria scaettae Robyns. The soil should be rich in organic matter and nutrients. The plant cannot grow in saline soils.
Cultivation Methods for Digitaria scaettae Robyns
Digitaria scaettae Robyns is a warm-season grass that can be grown in many soils but grows best in well-drained soils. It requires moderate sunlight, making it ideal for a full sun location that receives about 6-8 hours of sunlight per day. Planting should be done during spring or summer when temperatures are between 20-30°C.
Watering Needs for Digitaria scaettae Robyns
Proper watering is essential for the growth of Digitaria scaettae Robyns. It requires regular watering, especially when the soil is dry. It's necessary to give it enough water to keep the soil moist, but not too much water as it may lead to root rot. Check the soil regularly and adjust watering accordingly.
Fertilization of Digitaria scaettae Robyns
Fertilization helps promote the growth of Digitaria scaettae Robyns. Apply a granular, slow-release fertilizer with a high nitrogen content during the growing season, especially during the spring and summer. Fertilize every six to eight weeks and ensure that the fertilizer is evenly distributed along the soil surface to prevent burning of the roots.
Pruning of Digitaria scaettae Robyns
Digitaria scaettae Robyns requires little to no pruning as it naturally grows in a compact and attractive clump. However, if the grass becomes too tall, prune it in the late winter or early spring by cutting back to about 15-20cm from the ground. This pruning encourages new growth and keeps the plant healthy and attractive.
Propagation of Digitaria scaettae Robyns
Digitaria scaettae Robyns, commonly known as Scaetta’s crabgrass, can be propagated through different means, including:
Seed Propagation
The simplest and most common method of propagating Digitaria scaettae Robyns is through seeds. The plant produces numerous seeds that can be harvested and planted in fertile soil. When sowing the seeds, it is important to ensure that the soil bed is well prepared with adequate nutrients and moisture. After planting, seeds should be watered regularly to ensure germination.
Vegetative Propagation
Digitaria scaettae Robyns can also be propagated vegetatively through the division of its roots. To do this, take a mature plant and carefully dig it out of the soil. Gently separate the roots, making sure that each division has an adequate amount of roots with some foliage attached. Plant each division into separate pots or in a prepared soil bed. Water each plant after planting and provide adequate care until it establishes.
Sprig Propagation
Sprig propagation is the process of planting small sections of Digitaria scaettae Robyns stem with roots and planting them into the soil. This method is best suited for large scale propagation because it helps establish a dense coverage in a short time. The sprigs should be harvested from well established plants and planted in a soil bed that is fertile and moist. After planting, the sprigs should be watered well to ensure they establish before the dry season sets in.
Disease Management of Digitaria scaettae Robyns
Digitaria scaettae Robyns is not immune to diseases. Common plant diseases that may affect this plant include fungal diseases such as leaf spots, rust, and anthracnose. To manage or control these diseases, one should avoid excessive use of nitrogen fertilizers, which can encourage disease growth. Ensure sufficient drainage by planting in well-draining soils. Crop rotation is also necessary to reduce residual soil-borne fungus. If necessary, apply fungicides in the late afternoon when the temperature is cooler and humidity is higher.
Pest Management of Digitaria scaettae Robyns
Digitaria scaettae Robyns is susceptible to pests that can damage the plant's leaves, stem, and roots. Common pests that can affect this plant include armyworms, cutworms, aphids, and mole crickets. To manage these pests, one should practice good sanitation, removing or destroying plant debris that may harbor pests. Plant multiplication by seed is also essential to minimize the spread of pests. Natural predators, such as ladybugs and lacewings, can also control aphid outbreaks. If necessary, apply insecticides as a last resort, while following all necessary safety guidelines.
