Origin and Geographic Distribution. Yams may have been present in Africa, Asia, South America, the Caribbean, as well as the South Pacific islands since a very long time, and reports suggest that Dioscorea rotundata was first domesticated in West Africa in about 5000 BC.
Did yams originate Africa?
Yams originated in Africa, Asia, and the Caribbean. Africans call yams “nyami,” which is where we get the word “yam.” They are cylindrical and vary in size. Some of the largest yams have weighed more than 100 pounds and have been several feet long.
Are yams native to West Africa?
West African yams are believed to be native to West Africa, and artifacts have been discovered which have led researchers to estimate that yams have been used since 50,000 BCE.
Why are yams grown in Africa?
Yam production in West Africa is second only to that of cassava, surpassing that of maize, rice, and sorghum. It is therefore a key crop for African food security. The main cultivated yam, D. … Domesticated yam is likely derived from one of these two species (9) or from hybridization between them (7).
Are sweet potatoes native to Africa?
In several African countries, including Uganda and Mozambique, subsistence farmers grow a lot of sweet potatoes. They’ve been doing it for centuries, ever since the Portuguese brought the first sweet potatoes here from Latin America. The sweet potatoes that arrived in Africa, however, were white or yellow.
When did yams originate?
Origin and Geographic Distribution
Yams may have been present in Africa, Asia, South America, the Caribbean, as well as the South Pacific islands since a very long time, and reports suggest that Dioscorea rotundata was first domesticated in West Africa in about 5000 BC.
Who brought yam to Nigeria?
Yam farming antedates the historic period on the West Coast of Africa with early Iberian explorer, Pacheco Pereira, who in 1505 mentioned the existence of established trade between Bonny in the east Niger delta and yam growing areas in the hinterland at the time of his visits to Nigeria .
What is a Nigerian yam?
Yams are tropical tuber crops. They are mainly cylindrical in shape, with rounded ends. The bark is mostly light brown when harvested and darkens during storage. They are a major staple in Nigeria. … Yams are mostly popular because they are used to prepare a wide variety of quick recipes.
Where did the sweet potato originate?
The earliest cultivation records of the sweet potato date to 750 BCE in Peru, although archeological evidence shows cultivation of the sweet potato might have begun around 2500-1850 BCE.
Is Cassava the same as yam?
Yams, sweet potatoes, and cassava are classed as tuberous root vegetables that come from a flowering plant but are not related and do not have much in common. In the U.S., they are marketed as different vegetables. Yams are native to Africa and Asia and can be the size of a regular potato to five feet long!
Which country is the largest producer of yam in the world?
Nigeria is by far the world’s largest producer of yams, accounting for over 70–76 percent of the world production. According to the Food and Agriculture Organization report, in 1985, Nigeria produced 18.3 million tonnes of yam from 1.5 million hectares, representing 73.8 percent of total yam production in Africa.
How do African yams grow?
Yams require a fertile, well-drained soil with a high organic matter content. Plant at the beginning of summer in areas that receive a wet season. They will grow in full sun or semi-shade but need a trellis. Plants need plenty of water during the growing season.
Is African yam healthy?
Packed with nutrition
Yams are not only an excellent source of fiber but also high in potassium and manganese, which are important for supporting bone health, growth, metabolism, and heart function ( 3 , 4 ). These tubers also provide decent amounts of other micronutrients, such as copper and vitamin C.
Why do black people eat sweet potatoes?
The sweet potato first found success in Europe and later in America due to the trans-Atlantic slave trade, which forced the migration of countless human-beings and relocated them primarily in the South. The popularity that sweet potatoes ultimately found within the black community was due to convenience.
Who discovered the sweet potato?
Famed Spanish explorer Christopher Columbus discovered sweet potatoes during his excursions in the New World in 1492. He brought the plant back to his homeland on his fourth voyage, along with other American commodities. The Spaniards loved them so much that they brought sweet potatoes with them on future journeys.
What is an African sweet potato?
Sweet potatoes are a root vegetable whose dark green leaves are also nutritious and tasty. The plant’s leaves are creepers and often can be coaxed to grow along a railing. … They are an excellent and nutritious African staple.