{"id":14784,"date":"2022-09-20T08:11:48","date_gmt":"2022-09-20T08:11:48","guid":{"rendered":"https:\/\/file.currentschoolnews.com\/?post_type=product&p=14784"},"modified":"2022-09-20T14:34:12","modified_gmt":"2022-09-20T14:34:12","slug":"genetic-studies-on-seed-coat-texture-and-cooking-time-in-some-varieties-of-cowpea","status":"publish","type":"product","link":"https:\/\/pastexamquestions.com\/product\/genetic-studies-on-seed-coat-texture-and-cooking-time-in-some-varieties-of-cowpea\/","title":{"rendered":"Genetic Studies on Seed Coat Texture and Cooking Time in Some Varieties of Cowpea"},"content":{"rendered":"

– Genetic Studies on Seed Coat Texture and Cooking Time in Some Varieties of Cowpea –<\/strong><\/span><\/p>\n

Download Genetic Studies on Seed Coat Texture and Cooking Time in Some Varieties of Cowpea<\/strong><\/span>. Students who are writing their projects can get this material to aid their research work.<\/span><\/span><\/p>\n

Abstract<\/strong><\/h3>\n

Genetic studies on seed coat texture and cooking time in some varieties of cowpea (Vigna unguiculata (L.) Walp.) were carried out between August 14, 2000 and November 20, 2002 and August 2, 2001, and December 3, 2003, respectively.<\/p>\n

The experiments were carried out at the research and teaching farm, Federal University of Technology, Yola, Adamawa State. Randomized complete block design with five replications was used for the two experiments.<\/p>\n

Appropriate crosses were made among eight cowpea varieties with four types of seed coat texture in order to study the inheritance pattern of seed coat texture. Seed coat texture was observed to be controlled by two gene pairs with various forms of gene interactions such as dominance and recessive epistasis.<\/p>\n

Complete dominance of smooth seed coat texture over wrinkle, rough and lose seed coat textures were observed. Wrinkle seed coat texture plants also show complete dominance over rough and loose seeded plants. Recessive epistasis was observed in the cross between rough seed coat texture and loose seed coat texture.<\/p>\n

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Introduction<\/strong><\/h3>\n

1.1 Background of the Study<\/strong><\/p>\n

Cowpeas are grown extensively throughout the lowland tropics of Africa in a broad belt along the Southern fringes of the Sahara and in Eastern Africa from Ethiopia to South Africa.<\/p>\n

They are mainly confined to the hot semi-arid to sub-humid areas with significant production in Nigeria (which alone produces about 61% of the World production), Niger, Burkinafaso, Uganda and Senegal (Rachie and Roberts, 1974).<\/p>\n

The crop is also extensively cultivated in India, Southeastern Asia, Australia, the Caribbean lowland and coastal areas of South and Central America and in the Southern regions of the United States. In Nigeria, cowpea is the most important and widely grown grain legume (Fatokun and Singh, 1987).<\/p>\n

Cowpeas are widely consumed in different forms in Nigeria and other West African countries. Various types of products are traditionally produced by soaking, dehulling, grinding, boiling or frying (Akinyele et al., 1986).<\/p>\n

Cowpea contributes 60-70KgN\/ha in the soil due to its nitrogen-fixing properties and also serves as a residue, which benefits the succeeding crops. It is also a shade-tolerant and, therefore, compatible as an intercrop with a number of cereals and root crops, as well as with cotton, sugarcane and several plantation crops.<\/p>\n

Coupled with these attributes, its quick growth and rapid ground cover have made cowpea an essential component of sustainable subsistence agriculture in marginal lands and drier regions of the tropics, where rainfall is scanty and soils are sandy with little organic matter (Singh et al., 1997).<\/p>\n

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