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Author : A. Hadjichristodoulou
Publisher :
ISBN 13 :
Total Pages : 8 pages
Book Rating : 4.:/5 (668 download)
Download or read book Evaluation of Cowpea (Vigna Unguiculata (L.) Walp) Lines for Dry Seeds written by A. Hadjichristodoulou and published by . This book was released on 1991 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : A. Hadjichristodoulou
Publisher :
ISBN 13 :
Total Pages : 8 pages
Book Rating : 4.:/5 (177 download)
Download or read book Evaluation of Cowpea (Vigna Unguiculata (L.) Wapl) Lines for Dry Seeds written by A. Hadjichristodoulou and published by . This book was released on 1991 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : B. B. Singh
Publisher : IITA
ISBN 13 : 9789781311109
Total Pages : 400 pages
Book Rating : 4.3/5 (111 download)
Download or read book Advances in Cowpea Research written by B. B. Singh and published by IITA. This book was released on 1997 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cowpea: taxonomy, genetics, and breeding, physiology and agronomy, diseases and parasitic weeds, insect pests, postharvest technology and utilization. Biotechnological applications.
Author : Theodosius Marmaduke Velloza
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (273 download)
Download or read book Evaluations of Some Indices of Seed Quality and Factors that Affect Imbibitional Injury in Cowpea (Vigna Unguiculata (L.) Walp) written by Theodosius Marmaduke Velloza and published by . This book was released on 1991 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309164540
Total Pages : 378 pages
Book Rating : 4.3/5 (91 download)
Download or read book Lost Crops of Africa written by National Research Council and published by National Academies Press. This book was released on 2006-10-27 with total page 378 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report is the second in a series of three evaluating underexploited African plant resources that could help broaden and secure Africa's food supply. The volume describes the characteristics of 18 little-known indigenous African vegetables (including tubers and legumes) that have potential as food- and cash-crops but are typically overlooked by scientists and policymakers and in the world at large. The book assesses the potential of each vegetable to help overcome malnutrition, boost food security, foster rural development, and create sustainable landcare in Africa. Each species is described in a separate chapter, based on information gathered from and verified by a pool of experts throughout the world. Volume I describes African grains and Volume III African fruits.
Author : Günter Wricke
Publisher : Walter de Gruyter
ISBN 13 : 3110837528
Total Pages : 421 pages
Book Rating : 4.1/5 (18 download)
Download or read book Quantitative Genetics and Selection in Plant Breeding written by Günter Wricke and published by Walter de Gruyter. This book was released on 2010-10-06 with total page 421 pages. Available in PDF, EPUB and Kindle. Book excerpt: Quantitative Genetics and Selection in Plant Breeding.
Author : Jameel M. Al-Khayri
Publisher : Springer Nature
ISBN 13 : 3030234002
Total Pages : 522 pages
Book Rating : 4.0/5 (32 download)
Download or read book Advances in Plant Breeding Strategies: Legumes written by Jameel M. Al-Khayri and published by Springer Nature. This book was released on 2019-10-08 with total page 522 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book examines the development of innovative modern methodologies towards augmenting conventional plant breeding, in individual crops, for the production of new crop varieties under the increasingly limiting environmental and cultivation factors to achieve sustainable agricultural production, enhanced food security, in addition to providing raw materials for innovative industrial products and pharmaceuticals. This is Vol 7, subtitled Legumes, focuses on advances in breeding strategies using both traditional and modern approaches for the improvement of individual legume crops. Included in this volume are Adzuki bean, Black gram, Chickpea Cluster bean, Common bean, Cowpea, Faba bean, Hyacinth bean, Lentil, Mung bean, Pigeonpea and Soybean. This volume is contributed by 57 internationally reputable scientists from 9 countries. Each chapter comprehensively reviews the modern literature on the subject and reflects the authors own experience.
Author : S. R. Singh
Publisher : John Wiley & Sons Incorporated
ISBN 13 : 9780471908029
Total Pages : 460 pages
Book Rating : 4.9/5 (8 download)
Download or read book Cowpea Research, Production, and Utilization written by S. R. Singh and published by John Wiley & Sons Incorporated. This book was released on 1985 with total page 460 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cowpea (also called Southernpea and Blackeyed Pea) is a highly nutritious crop particularly suited to the stressful growing conditions of tropical Africa, Asia, Latin America and the United States. Intensive research programmes in centres around the world have, in recent years, greatly improved the crops' yield, our efficiency in growing it and methods of processing the end product.
Author : Edson Herculano Neves Vieira
Publisher :
ISBN 13 :
Total Pages : 172 pages
Book Rating : 4.:/5 (277 download)
Download or read book Relationship Between Seed Density and Quality of Cowpea (Vigna Unguiculata (L.) Walp) Seeds written by Edson Herculano Neves Vieira and published by . This book was released on 1991 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt: Field and laboratory experiments were conducted to evaluate the relationship between seed specific gravity, and/or seed density, to the phydiological quality, storability and seedling performance of cowpea seeds. Two methods of seed separation were used: a) separation using aqueous sucrose and b) using a table model fractionating aspirator. Seeds of different specific gravity separated by sucrose solution were compares using a standard germination test at 20-30oC and accelerated aging tests at temperatures of 40oC, 42oC, and 45oC for 48 and 72 hours. Germination responses indicated that low specific gravity seeds perform poorly when compared to high specific seeds and to the unseparated sample. However, seed vigor responses expressed by the accelerated tests results revealed significantly higher vigor for the unseparated sample than for any of the specific gravity classes, suggesting that the use of aqueous solutions for cowpea seed separation may have a detrimental effect on seed quality possibly due to water absorption during separation. Field emergence results in 1988 were not significantly different among specific gravity categories. In 1990, field emergence responses were similar to results obtained in the accelerated aging tests. The unseparated seeds were superior to the seeds which were separated using solutions. However, differences in yield in both 1988 and 1990 planting seasons were not related to seed specific gravity. The evaluation of the relationship between seed density expressed by 100 seed weight and storability of cowpea seeds was determined different density fractions obtained using a fractionating aspirator. Evaluations were conducted prior to storage and after 6, 9 and 12 months of open storage using the standard germination test, first count germination, accelerated aging test, and germination performance at low temperature. Vigor was also evaluated by comparing seedling elongation characteristics. No significant differents were observed in germination percentage for all categories prior to storage. However, tests conducted after each storage period revealed significantly higher germination for the high density seeds as well as for the unseparated control.
Author : Weikai Yan
Publisher : CRC Press
ISBN 13 : 1420040375
Total Pages : 287 pages
Book Rating : 4.4/5 (2 download)
Download or read book GGE Biplot Analysis written by Weikai Yan and published by CRC Press. This book was released on 2002-08-28 with total page 287 pages. Available in PDF, EPUB and Kindle. Book excerpt: Research data is expensive and precious, yet it is seldom fully utilized due to our ability of comprehension. Graphical display is desirable, if not absolutely necessary, for fully understanding large data sets with complex interconnectedness and interactions. The newly developed GGE biplot methodology is a superior approach to the graphical analys
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Author : Thammasak Thongket
Publisher :
ISBN 13 :
Total Pages : 154 pages
Book Rating : 4.:/5 (29 download)
Download or read book Effect of Drying Temperature on the Quality of Cowpea [Vigna Unguiculata (L.) Walp.] Seed written by Thammasak Thongket and published by . This book was released on 1989 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Barbara E. DeMooy
Publisher :
ISBN 13 :
Total Pages : 376 pages
Book Rating : 4.3/5 (129 download)
Download or read book Germplasm Evaluation of Botswana Cowpea (Vigna Unguiculata (L.) Walp.) Landraces written by Barbara E. DeMooy and published by . This book was released on 1985 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Author : E. H. N. Vieira
Publisher :
ISBN 13 :
Total Pages : 86 pages
Book Rating : 4.:/5 (78 download)
Download or read book Relationship Between Seed Density and Quality of Cowpea [Vigna Unguiculata (L.) Walp] Seeds written by E. H. N. Vieira and published by . This book was released on 1991 with total page 86 pages. Available in PDF, EPUB and Kindle. Book excerpt: Field and laboratory experiments were conducted to evaluate the effects of seed specific gravity, and/or seed density, on physiological quality, storability and seedling performance of cowpea (Vigna unguiculata (L.) Walp) seeds. Seed preparation was accomplished by two methods: using aqueous sucrose solutions and by means of a table model fractionating aspirator.
Author : Sabiou Mahamane
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (69 download)
Download or read book Evaluation of Cowpea (Vigna Unguiculata L. Walp) Genotypes for Adaptation to Low Soil-phosphorus Conditions and to Rock Phosphate Application written by Sabiou Mahamane and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Cowpea (Vigna ungiculata L. Walp) is a major food and fodder legume in poor countries, particularly Sub-Saharan Africa countries. It is generally produced in sandy, acid soils, deficient in phosphorus (P) which severely limits its production. Because processed phosphate fertilizers are expensive and poorly available to farmers, rock phosphate is viewed as a cheap alternative phosphate source. The present study evaluated 696 U.S Core Collection and IITA cowpea accessions for adaptation to low soil P environments and for response to rock phosphate application. Subsequently, organic acid exudation by selected cowpea genotypes as a mechanism for P acquisition from Fe-oxide and Ca bound P was investigated. A low P soil from Nacogdoches pine forest was used to grow plants. There were two P treatments: 0 and 300 mg P/kg of soil as Tahoua (Niger) rock phosphate. At harvest, plant height, shoot and root dry weights were determined and total biomass and shoot-to-root ratios were computed. Shoot P contents of 100 selected accessions were measured. Sixteen accessions reflecting the wide array of responses observed were selected for the organic acid study. Plants were grown in a growth chamber hydroponically with no P and +P nutrient solutions for 3 weeks. Organic acids were collected in a CaCl2-KCl solution. The nature and quantity of the collected organic acids was determined. Cowpea accessions were significantly different in their ability to adapt to Pdeficiency stress and to acquire P from rock phosphate. The parameters most effective in separating the accessions were shoot mass and total biomass. This data will be potentially useful in the selection of cowpea germplasm for (1) adaptation to West African soils of low P fertility, and (2) ability to utilize P from poorly soluble rock phosphate. The predominant organic acid exuded by cowpea roots was a tricarboxylic acid not yet identified. There was surprisingly more exudation of this acid under +P than under -P conditions. Exudation was more highly correlated to roots than to shoots.
Author : Fidele Tetio Kagho
Publisher :
ISBN 13 :
Total Pages : 106 pages
Book Rating : 4.:/5 (25 download)
Download or read book Evaluation of Shade Tolerance of 7 Cowpea (Vigna Unguiculata (L.) Walp) Cultivars written by Fidele Tetio Kagho and published by . This book was released on 1979 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Prachi Gupta
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (652 download)
Download or read book Biochemical Evaluation of Seed Storage Proteins of Cowpea (Vigna Unguiculata ( L.) WA L P.) Genotypes [ with CD Copy } written by Prachi Gupta and published by . This book was released on 2007 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Anupam Singh
Publisher :
ISBN 13 :
Total Pages : 64 pages
Book Rating : 4.:/5 (652 download)
Download or read book Genetic Analysis of Seed Yield and Its Components in Cowpea (Vigna Unguiculata (L.) Walp). written by Anupam Singh and published by . This book was released on 2000 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:
