Breeding methods in cowpea

Author: fszi

August undefined, 2024

Webon plant breeding deal mainly with the classical approaches, while specialized books on molecular approaches usually lack discussion of the classical methods. The book Plant Breeding for 21st Century attempts to present the complete picture of plant breeding ranging from the classical to the molecular approaches applied to crop improvement. WebConsidering the advantages of using image analysis and that its applicability may constitute an important technique in cowpea seed quality control programs, the present study aimed to evaluate the occurrence of damage or empty spaces inside cowpea seeds and their relationship with physiological potential. MATERIAL AND METHODS

Cowpea [Vigna unguiculata (L.) Walp.] Breeding

WebThe methods of F1 hybrid production are hand emasculation and pollination, use of ‘protruded stigma’ types female and use of male sterile line. Mutation breeding. Mutation … WebThe Department of Plant Sciences (Plant Breeding) is thanked for their financial support, which has made it possible for me to undertake these studies and accomplish this research work. My deep gratitude goes to my supervisors Prof. R.L. Verhoeven and Prof. M.T. Labuschagne and also Dr. Maartens for their unanimous support, byu graduation 2026

New Mutant Cowpea Variety Helps Zimbabwe’s Farmers in …

WebJan 1, 2015 · Cowpea breeding methods are similar to those of other self-pollinated crops such as peanut, soybean, wheat, and barley. Cowpea breeders depend upon the … WebBreeding Methods of Cowpea Improvement Programmes 295 Dry Zone to cultivate cowpea as a major crop in their crop land. Though the yield of improved cowpea … WebJan 19, 2024 · Cowpea, Vigna unguiculata (L.) Walp, is a proteinaceous arid grain legume crop widely cultivated in the tropical and subtropical regions of the world. They are commonly grown in the semiarid tropics between 35° N and 30° S of the equator, covering Africa, Asia, Oceania, the Middle East, Southern Europe, Central and South America, … byu graduation 2025

Screening of Soybean Genotypes against Cowpea Mild

Webthe most promising breeding methods for cowpea. Resistance to cowpea aphids was reported in mutant lines (ICV 11 and ICV 12), which were expressed through antibiosis and antixenosis [19]. These mutant lines were obtained from ICV 1 seeds irradiated with 20 k rad of gamma rays. The pedigree system of breeding is the most common method WebBreeding Procedures of Cowpea: The pedigree system of breeding is the most common method used by cowpea breeders. This method has been successful in developing cowpea cultivars with new combinations of characteristics and resistance to diseases. Single plant selections are carried out within large F 2 /F 3 populations. Individual plant ... cloudcone we encountered a problemWebCowpea (Vigna unguiculata ), an indigenous legume to sub-Saharan Africa, is mainly grown in the dry savanna areas as an intercrop with millets, sorghum, groundnut and maize. … cloud conduction headphone

"WebCallosobruchus chinensis (azuki bean weevil) and Callosobruchus maculatus (cowpea weevil) are the most destructive pests that cause significant losses to cowpea (Vigna unguiculata) seeds during stora " - Breeding methods in cowpea

Breeding methods in cowpea

Cowpea isolation hybridization pollination method - Google

http://www.agritech.tnau.ac.in/crop_improvement/crop_imprv_breed.html WebMay 20, 2024 · Breeding for aphid resistance is one of the effective methods that can sustain the production and productivity of the cowpea for longer periods. Furthermore, …

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WebBreeding methods Cowpea is a self-pollinating plant and the breeding methods that have been widely and successfully used for its improvement are: –Pure line selection, –Mass selection, –Pedigree method, –Backcross breeding, –Single seed descent method. 30. WebImplications of cowpea/cereal rotations for cowpea breeding are discussed. Breeding strategies for enhancing cowpea adaptation to drought are described. ... Methods for breeding heat-tolerant cowpeas have been developed , involving selection for flower production and high pod set under hot night temperatures and long-day field or …

WebThe most important methods of breeding cross-pollinated species are (1) mass selection; (2) development of hybrid varieties; and (3) development of synthetic varieties. Since cross-pollinated species are naturally hybrid (heterozygous) for many traits and lose vigour as they become purebred (homozygous), a goal of each of these breeding methods ...

Webgrown in some part of Nigeria for production fibre (3). In Nigeria, crop breeding through induced mutation is limited (Odeigah1991)(4).Here we are focusing on mutation breeding for crop improvement. Cowpea is diploid with 2n =22 and a genome size of about 620 million base pairs. Cowpea is an annual herb with varying growth forms. WebAdopting such genomics and transcriptomic methods could overcome several limitations of traditional breeding and improve the precision and efficiency of crop breeding procedures. ... C. Strategies in cowpea breeding. In New Approaches to Plant Breeding of Orphan Crops in Africa; FAO: Rome, Italy, 2009; pp. 69–92.

WebAug 29, 2024 · Cowpea is a dryland crop with potential to improve food security in sub-Saharan Africa, where it is mostly produced and consumed. Contemporary plant improvement technologies, including genome editing, marker-assisted selection, and optimized transformation protocols, are being deployed to improve cowpea …

WebOct 27, 2024 · 5. Breeding methods used in Cowpea Selection •Selection as a breeding procedure, involve the identification and propagation of individual genotypes or groups of genotypes from mixed populations or … cloudcone chatgptWebMay 20, 2024 · Breeding for aphid resistance is one of the effective methods that can sustain the production and productivity of the cowpea for longer periods. Furthermore, assessing the presence of genetic ... cloud concrete kyWebAdvances in Cowpea Research. B. B. Singh. IITA, 1997 - Cowpea - 375 pages. 2 Reviews. Reviews aren't verified, but Google checks for and removes fake content when it's … byu graduation 2020WebJun 22, 2010 · Breeding for increased water-use efficiency (W) or potential productivity has been limited by the lack of screening criteria and methods that could be used to select … byu graduation attireWebJun 3, 2016 · The combination of conventional breeding and molecular breeding strategies, with workflow managed through the CGIAR breeding management system (BMS), … byu graduation april 2024WebMay 20, 2024 · Breeding for aphid resistance is one of the effective methods that can sustain the production and productivity of the cowpea for longer periods. Furthermore, assessing the presence of genetic diversity can also help in sourcing genes of novelty for addressing this important issue to increase the production and productivity of the crop. byu graduate studies applicationWebJun 15, 2024 · The successful breeding of cowpea genotypes that are high-yielding with a good nutritional value as well as having resistance to biotics and tolerant to abiotic stress could also be used to address food security and malnutrition-related challenges in sub-Saharan Africa. ... Different breeding methods for cowpea improvement have been … byu graduation dates