Dioscorea alata
TAXONOMY
FamilyDioscoreaceae
GenusDioscorea
Zone10
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Dioscorea alata, commonly known as the water yam or purple yam, is a species of yam in the family Dioscoreaceae. It is native to Southeast Asia and is widely cultivated in tropical and subtropical regions. The plant is a climbing tuberous geophyte, meaning it grows from tubers and climbs using twining stems. It is known for its edible tubers, which are often purple in color and used in various culinary dishes.
ALSO KNOWN AS
Elephantodon Eburneus
Greater Yam
Water Yam
White Yam
Winged Yam
Dioscorea alata var. globosa
Dioscorea alata var. purpurea
Dioscorea alata var. tarri
Dioscorea alata var. vera
Dioscorea atropurpurea
Dioscorea colocasiifolia
Dioscorea eburina
Dioscorea eburnea
Dioscorea globosa
Dioscorea javanica
Dioscorea purpurea
Dioscorea rubella
Dioscorea sapinii
Dioscorea vulgaris
Polynome alata
OVERVIEW
VPDCalculate
WaterVery Wet
SoilLoamy
LightDirect Bright (6 Hours)
Temperature25° C
Humidity80%
GDD3,600
Dormancy3 Months
pH5.5
Pressure1,013 mbar
DETAILS
Care Instructions
Dioscorea alata thrives in wet tropical climates with high humidity and warm temperatures. It requires bright, direct sunlight for optimal growth. Regular watering is essential to keep the soil consistently moist. The plant benefits from moderate temperatures and high humidity levels. Ensure it has a sturdy support structure to climb on.Harvest
Dioscorea alata, commonly known as purple yam, is typically ready for harvest about 8 months after planting. The best time to harvest is when the leaves start to yellow and die back, indicating that the tubers have matured. To harvest, carefully dig around the base of the plant to avoid damaging the tubers. Lift the tubers gently from the soil, ensuring they are free from cuts and bruises. After harvesting, cure the tubers in a warm, dry place for a few days to enhance their storage life. Proper handling and curing are essential to maintain the quality and longevity of the tubers.Soil
Dioscorea alata prefers well-draining loamy soil that is rich in organic matter. The soil should be kept consistently moist but not waterlogged. Good drainage is essential to prevent tuber rot. A slightly acidic to neutral pH is ideal for this plant.Fertilizer
Use a balanced fertilizer with an N-P-K ratio of 10-10-10. Fertilize the plant regularly during the growing season to support its vigorous growth. Reduce fertilization during the dormancy period.Repotting
Repot Dioscorea alata when the tubers outgrow their container or when the soil becomes compacted. Repotting is best done during the plant's dormancy period. Carefully remove the plant from its container, trim any damaged roots, and replant it in fresh, well-draining soil.Propagation
Dioscorea alata can be propagated through tuber division or by planting tuber pieces. Propagation is best done during the plant's dormancy period. Ensure each tuber piece has at least one growth bud. Plant the tuber pieces in well-draining soil and keep them moist until new growth appears.Pruning
Prune Dioscorea alata to control its size and shape. Remove any dead or damaged stems and leaves. Pruning is best done during the plant's dormancy period. Regular pruning helps maintain the plant's health and encourages new growth.Toxicity
Dioscorea alata is not known to be toxic to pets or humans. However, it is always advisable to handle plants with care and avoid ingestion of any plant parts unless they are known to be edible.Additional
Dioscorea alata is a versatile plant that can be used both for its ornamental value and its edible tubers. The tubers are rich in carbohydrates and can be cooked in various ways, including boiling, baking, and frying. The plant's climbing habit makes it an excellent choice for trellises and arbors in tropical gardens.REVOLUTIONIZE YOUR PLANT CARE
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