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Cucumber probably originated in northern India and was introduced to the Mediterranean. It is now widespread throughout the world.   Cucumber plant Ecology Cucumbers are well adapted to warm climates but will grow well at lower temperatures than melons. The Read more…

Carrot (D. carota L. sub so. sativus (Hoffm.) Thell.) is derived from the wide carrot (D. carota L. sub sp. carota) which occurs naturally in Europe, Asia and Africa. It is of ancient cultivation in the Mediterranean region and has Read more…

Okra is a common vegetable crop grown in many part of the tropics for its mucilaginous fruits. It is a dicotyledonous annual herbaceous plant that’s  widely grown in all ecological zones of Nigeria but is not of much economic importance Read more…

Bitter leaf plants are shrubs and their leaves are used as a vegetable. Vernonia amygdalina, Vernonia colorata, and Vernonia calvoana are the three species usually grown.   Ecology of the plant Vernonia grows in all types of soils. It is Read more…

Cotton is the most important of the plant fibres and its production is greater than that of all other fibres out together. Cotton alone supplies about 78% of plant fibres. There are two main species in cultivation, namely, Gossypium hirsutum Read more…

The term cocoyams are used to refer collectively to members of the genus Colocasia and the genus Xanthosoma which are grown for food in many parts of Africa, especially the wetter parts. They are grown in small plots, often intercropped Read more…

Yams are grown throughout the wetter parts of the tropics. They are climbing monocotyledonous plants with opposite or alternate leaves and they produce large storage tubers. Yams are obtained from several species of the genus Dioscorea, a very large genus Read more…

Cassava is the major source of dietary energy for low-income consumers in many parts of tropical Africa. It has become the most important food crop of tropical Africa and had been aptly described as the ‘staff of life’. It is Read more…

Pigeon pea is one of the most heat and drought resistant legumes as its root oils deep and extensive. India is the leading producers, accounting for about 90% of the total world population. It is an important legume of East Read more…

Soybean is a crop that has great potential as a source of inexpensive protein in human diets and much valuable use. It is a fairly new crop in West Africa and has not been quite incorporated into the traditional foods Read more…