Contents
Description
Vigna angularis, commonly known as Adzuki bean, is a type of legume that belongs to the Fabaceae family. It is a popular crop in East Asia, particularly in China, Japan, and Korea. Adzuki beans are small, oval-shaped beans that come in a variety of colors ranging from red to black. They have a sweet, nutty flavor and are commonly used in sweet and savory dishes. Adzuki beans are also known for their high nutritional value and are a good source of protein, fiber, and other essential nutrients.
Taxonomic Information
| Domain | Eukarya |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Angiospermae |
| Order | Fabales |
| Family | Fabaceae |
| Genus | Vigna |
Appearance
Adzuki beans grow on a small, bushy plant that can reach up to 60 cm in height. The plant has compound leaves with three leaflets that are about 5-10 cm long. The flowers are small and reddish-purple in color. Adzuki beans are small and oval-shaped, measuring about 5-6 mm in length. They come in a variety of colors, including red, black, white, and mottled. The seed coat is thin and delicate, and the cotyledons are creamy white in color.
Care Guide
Vigna angularis is a hardy plant that is easy to grow. Here are some tips for caring for your adzuki bean plant:
- Water: Adzuki beans require regular watering, especially during the flowering and fruiting stages. Make sure the soil is moist but not waterlogged.
- Fertilization: Adzuki beans do not require heavy fertilization. A balanced fertilizer can be applied once or twice during the growing season.
- Soil: Adzuki beans prefer well-draining, sandy loam soil that is rich in organic matter.
- Sunlight: Adzuki beans require full sun exposure for optimal growth and yield.
- Hardiness Zones: Adzuki beans are hardy in USDA zones 4-11.
Common Pests & Diseases
Adzuki beans are susceptible to a number of pests and diseases, including:
- Aphids: These small, soft-bodied insects can cause stunted growth and yellowing of leaves. They can be controlled with insecticidal soap or neem oil.
- Bean beetles: These beetles can cause significant damage to leaves and pods. They can be controlled with insecticidal soap or neem oil.
- Fungal diseases: Adzuki beans are susceptible to fungal diseases such as powdery mildew and anthracnose. These can be prevented by providing good air circulation and avoiding overhead watering.
Habitat
Adzuki beans are native to East Asia and are commonly grown in China, Japan, and Korea. They thrive in warm, temperate climates and are typically grown as a summer crop. Adzuki beans require full sun exposure and well-draining soil that is rich in organic matter.
Question and Answer
Q: Can adzuki beans be grown in containers?
A: Yes, adzuki beans can be grown in containers as long as the container is at least 30 cm deep and has good drainage.
Q: How long does it take for adzuki beans to mature?
A: Adzuki beans typically take 90-120 days to mature.
Q: Are adzuki beans easy to grow?
A: Yes, adzuki beans are relatively easy to grow and require minimal care.
Q: Can adzuki beans be eaten raw?
A: No, adzuki beans must be cooked before consumption.
Related Plants
- Vigna radiata (Mung bean)
- Vigna unguiculata (Cowpea)
- Vigna umbellata (Rice bean)
References
- Adzuki Beans. (n.d.). Specialty Produce. Retrieved from https://www.specialtyproduce.com/produce/Adzuki_Beans_770.php
- Adzuki Bean. (n.d.). The World’s Healthiest Foods. Retrieved from https://www.whfoods.com/genpage.php?tname=foodspice&dbid=56
- Vigna angularis. (n.d.). Missouri Botanical Garden. Retrieved from https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=c786
