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Studies On Physiological Maturity And Storability In Cowpea Vigna Unguiculata L Walp
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Book Synopsis Studies on Physiological Maturity and Storability in Cowpea (Vigna Unguiculata (L) Walp) by : SREERAMAIAH
Download or read book Studies on Physiological Maturity and Storability in Cowpea (Vigna Unguiculata (L) Walp) written by SREERAMAIAH and published by . This book was released on 1990 with total page 151 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Characterization and Seed Storage Studies of Cowpea (Vigna Unguiculata (L..) Walp.) Genotypes by : B.H Sunitha
Download or read book Characterization and Seed Storage Studies of Cowpea (Vigna Unguiculata (L..) Walp.) Genotypes written by B.H Sunitha and published by . This book was released on 2008 with total page 105 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Genetic and Physiological Studies for Seed Yield and Yield Attributing Traits in Cowpea [Vigna Unguiculata (L.) Walp.] by : G. Y. Lokesh
Download or read book Genetic and Physiological Studies for Seed Yield and Yield Attributing Traits in Cowpea [Vigna Unguiculata (L.) Walp.] written by G. Y. Lokesh and published by . This book was released on 2016 with total page 197 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Relationship Between Seed Density and Quality of Cowpea [Vigna Unguiculata (L.) Walp] Seeds by : E. H. N. Vieira
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.
Book Synopsis Study the Influence of New Azadiractin Products on Seed Storability of Cowpea [Vigna Unguiculata (L.) Walp] by : H.B. Manjula
Download or read book Study the Influence of New Azadiractin Products on Seed Storability of Cowpea [Vigna Unguiculata (L.) Walp] written by H.B. Manjula and published by . This book was released on 2021 with total page 73 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advances in Cowpea Research by : B. B. Singh
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.
Book Synopsis The Physiological and Molecular Effects of Fumonism B1 on Cowpea (Vigna Unguiculata L. Walp) by : Richard Gavin Kotze
Download or read book The Physiological and Molecular Effects of Fumonism B1 on Cowpea (Vigna Unguiculata L. Walp) written by Richard Gavin Kotze and published by . This book was released on 2015 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cowpea (Vigna unguiculata) is an edible annual leguminous crop cultivated by many subsistence and rural communities in developing countries in subtropical areas of the world. Cowpea is a very versatile, well adapted and nutritious grain legume. However, cowpea seed is prone to fungal infestation under suboptimal storage conditions. Some of these fungi, including Aspergillus and Fusarium spp., produce their associated mycotoxins under these conditions. Fumonisins are produced primarily by Fusarium verticillioides and F. proliferatum and are known to be toxic to vertebrates and plants. Fumonisin B1 is phytotoxic to cowpea seeds and is speculated to inhibit ceramide synthase in the sphingolipid pathway in plants. This study was done to determine the phytotoxic effects of FB1 on cowpea seedlings and to provide insight on the mode of action of the toxin at a molecular level. Surface-disinfected seeds were imbibed for 10 h in sterile distilled water amended with FB1 to yield final concentrations of 2, 20 and 40 mg/L. Slow imbibed seeds (placed in moist paper towels) and seeds placed in sterile distilled water for 10 h served as the positive and negative controls, respectively. Additionally cowpea seeds were inoculated with the conidia of three different FB1-producing Fusarium verticillioides strains. Percentage emergence was determined after seven dpi whereas, seedling mass, length and seedling vigour index where determined after seven and 21 dpi. Total chlorophyll content was measured after 14 and 21 dpi. Stunted growth was observed in FB1 treated seedlings. Emergence was reduced by all three FB1 concentrations as well as in seeds treated with F. verticillioides strain MRC 8265. Seedlings imbibed in 40 mg/L FB1 had reduced seedling length. Seedling mass was reduced by all three FB1 concentrations as well as all three Fusarium strains. Total chlorophyll content was higher for seeds imbibed in all three FB1 concentrations when compared to both controls. This is in contrast to other studies which reported that FB1 causes chlorosis in plants. In order to evaluate the effect of FB1 on ceramide synthase gene expression seeds were imbibed in a 20 mg/L FB1 solution and the control seeds were imbibed in sterile distilled water. RNA was extracted from untreated and treated samples after 0, 3 and 12 dpi with the latter being divided into shoot and roots samples. cDNA was synthesised from the extracted RNA samples. Amplification of the ceramide synthase gene was done using primers that were designed to the conserved regions of Glycine max and Phaseolus vulgaris ceramide synthase gene homologues. Sequence analysis revealed that the designed primers did amplify the correct gene from cowpea seedlings. The expression levels of the ceramide synthase gene from cowpea were thus tested using semi-quantitative PCR amplification. No significant differences in ceramide synthase gene expression were observed between the control and toxin treated samples. Two FB1 unrelated differences were observed. A possible developmental difference was observed as ceramide synthase gene expression decreased over time in both the control and treated samples. It thus seems that FB1 did not influence ceramide synthase gene expression in cowpea.
Book Synopsis The Physiological and Molecular Effects of Fumonisin B1 on Cowpea (Vigna Unguiculata L. Walp) by : Richard Gavin Kotze
Download or read book The Physiological and Molecular Effects of Fumonisin B1 on Cowpea (Vigna Unguiculata L. Walp) written by Richard Gavin Kotze and published by . This book was released on 2015 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cowpea (Vigna unguiculata) is an edible annual leguminous crop cultivated by many subsistence and rural communities in developing countries in subtropical areas of the world. Cowpea is a very versatile, well adapted and nutritious grain legume. However, cowpea seed is prone to fungal infestation under suboptimal storage conditions. Some of these fungi, including Aspergillus and Fusarium spp., produce their associated mycotoxins under these conditions. Fumonisins are produced primarily by Fusarium verticillioides and F. proliferatum and are known to be toxic to vertebrates and plants. Fumonisin B1 is phytotoxic to cowpea seeds and is speculated to inhibit ceramide synthase in the sphingolipid pathway in plants. This study was done to determine the phytotoxic effects of FB1 on cowpea seedlings and to provide insight on the mode of action of the toxin at a molecular level. Surface-disinfected seeds were imbibed for 10 h in sterile distilled water amended with FB1 to yield final concentrations of 2, 20 and 40 mg/L. Slow imbibed seeds (placed in moist paper towels) and seeds placed in sterile distilled water for 10 h served as the positive and negative controls, respectively. Additionally cowpea seeds were inoculated with the conidia of three different FB1-producing Fusarium verticillioides strains. Percentage emergence was determined after seven dpi whereas, seedling mass, length and seedling vigour index where determined after seven and 21 dpi. Total chlorophyll content was measured after 14 and 21 dpi. Stunted growth was observed in FB1 treated seedlings. Emergence was reduced by all three FB1 concentrations as well as in seeds treated with F. verticillioides strain MRC 8265. Seedlings imbibed in 40 mg/L FB1 had reduced seedling length. Seedling mass was reduced by all three FB1 concentrations as well as all three Fusarium strains. Total chlorophyll content was higher for seeds imbibed in all three FB1 concentrations when compared to both controls. This is in contrast
Book Synopsis Advances in Legume Research: Physiological Responses and Genetic Improvement for Stress Resistance by : Phetole Mangena
Download or read book Advances in Legume Research: Physiological Responses and Genetic Improvement for Stress Resistance written by Phetole Mangena and published by Bentham Science Publishers. This book was released on 2023-11-06 with total page 181 pages. Available in PDF, EPUB and Kindle. Book excerpt: This reference provides comprehensive insights on the harm inflicted by pests and diseases on leguminous crops. Internationally acclaimed authors provide succinct reviews on breeding and impact of biotic stress factors such as insect pests, microbial pathogens, spiders, and vertebrate pests in legumes like soybean, cowpea, and common bean. The book also contains detailed technical analysis of methods such as the PCR-based detection, next generation sequencing / marker-assisted selections, low cost lethal-non-lethal vertebrate pest control and mechanisms of climate/nutrient induced resistance. The unique feature of this book is its focus on the optimization and development of environmentally friendly methods for pest and disease control in leguminous crops. Other features include structured sections for easy reading and a list of references for advanced readers. Key themes: Biotic Stress and Plant Resistance Biotic Stress in Legumes (Cowpea and Soybean) Diagnostic and Control Methods for Microbial Plant Pathogens Viral Diseases of Legumes and Management: Vertebrate Pests in Legumes and Economic Implications Spiders in Legume Agroecosystems Climate-Driven Factors and Insect Pests of Legumes Sustainable Crop Nutrition for Biotic Stress Alleviation in Legumes Physiological Responses in Legumes to Combined Stress Factors
Book Synopsis Seed Borne Diseases: Ecofriendly Management by : Arun Arya
Download or read book Seed Borne Diseases: Ecofriendly Management written by Arun Arya and published by Scientific Publishers. This book was released on 2012-05-01 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt: Indian agriculture has witnessed spectacular advances in agricultural production in the last few decades. This was possible through green revolution in mid 60s leading to the country’s remarkable achievement in food grains and edible oil production. Seed has always been regarded as the most vital, basic and critical input in agriculture. It is interesting to note that today seed demand of only 10% farmers is met. Efforts are needed to provide good quality certify seeds to farmers. In recent years the awareness for seed health has increased among the growers, traders, and consumers. In post-GATT era and with emergence of WTO, seed health has assumed the global concern. Infection of seed borne pathogens results into seed rots, seedling decay, pre and post emergence mortality, distortion, discoloration, reduced seed size and shrivelledness of seeds. Their study and identification is primarily required to achieve satisfactory control. The book will be of great help to students, researchers, and people engaged in seed production activities. In this book, information about different seed borne diseases is presented in 20 chapters. There is an urgent need to find out effective, alternative methods of diseases control, which are less harmful to human beings and environment. There are chapters dealing with botanical pesticides and quarantine regulations. A chapter describes molecular aspects involved in seed borne diseases. The contents are divided into two parts (I) Seed borne diseases and (II) Wilt and foliar diseases and their control methods. Ecofriendly measures to control seed borne diseases are dealt in detail. The book provides comprehensive and integrated information on management of seed health written by experts in the field. It will be especially useful for students and young people involved in seed testing, seed industry as well as in teaching. Besides Agriculture Universities the book will be useful for all others offering courses related to Phytopathology and Seed Technology.
Book Synopsis Genetics, Physiology and Cultivation of Moth Bean, Cowpea and Horse Gram by : Rakesh Pathak
Download or read book Genetics, Physiology and Cultivation of Moth Bean, Cowpea and Horse Gram written by Rakesh Pathak and published by Springer Nature. This book was released on 2023-05-26 with total page 403 pages. Available in PDF, EPUB and Kindle. Book excerpt: This authored book gives insight into the morphology, physiology, genetics, plant protection and biotechnology of three important arid legumes, viz., moth bean, cowpea and horse gram. There are seven chapters for each crop that provide in-depth information on cultivation, genetic improvement, plant protection measures, management of physiological and abiotic stresses along with related genetic markers and biotechnological advances pertaining to these legumes. The chapters present research findings and brief reviews concerning the advances made in the improvement of these legumes.Legumes are utilized as pulses or grains aiding as an important source of protein for both human and animal consumption and also provide raw materials to the food and feed industries. They are also valuable for soil building, improving soil quality and biological nitrogen fixation. Physiology and genetics provide an inimitable source of information on the distinct aspects of basic and applied legume research for general readers, students, academicians and researchers. Arid legumes are crops characterized by inherent features and capabilities to withstand adverse and harsh climatic conditions, significantly replenish the soil, as well as provide protein and micronutrients. Adaptability to several stresses including drought makes them key to agriculture in areas receiving scanty rainfall. This comprehensive book disseminates significant information on the genetic diversity, cultivation, manipulation through mutagenic techniques, molecular biology and other breeding techniques. The book, therefore, is of importance to teachers, researchers and policymakers who are interested to acquire knowledge about moth bean, cowpea and horse gram. It also serves as an additional reading material for MSc and PhD students of agriculture and environmental sciences. The book is also useful to national and international agricultural scientists and policymakers.
Book Synopsis Advances in Plant Breeding Strategies: Legumes by : Jameel M. Al-Khayri
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.
Book Synopsis A Protocol to Determine Seed Storage Behaviour by : T. D. Hong
Download or read book A Protocol to Determine Seed Storage Behaviour written by T. D. Hong and published by Bioversity International. This book was released on 1996 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt: This publication provides an approach by which conservationists can determine whether or not long-term seed storage is feasible for a particular species, i.e. whether or not that species shows orthodox seed storage behaviour, and provides advice on the implementation of the protocol, examples of ways in which the results from seed storage studies could be misinterpreted due to confounding factors, as well as several alternative approaches for estimating seed storage behaviour prior to carryng out actual investigations with the seeds. In particular, the latter section introduces the concept of a multicriteria approach for estimating seed storage behaviour.
Book Synopsis Neglected Crops by : J. Esteban Hernández Bermejo
Download or read book Neglected Crops written by J. Esteban Hernández Bermejo and published by Food & Agriculture Org.. This book was released on 1994 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt: About neglected crops of the American continent. Published in collaboration with the Botanical Garden of Cord�ba (Spain) as part of the Etnobot�nica92 Programme (Andalusia, 1992)
Book Synopsis Cowpea Research, Production and Utilization by : R. S. Singh
Download or read book Cowpea Research, Production and Utilization written by R. S. Singh and published by . This book was released on 1985 with total page 460 pages. Available in PDF, EPUB and Kindle. Book excerpt: Origin, taxonomy and morphology; Genetics; Physiology; Breeding; Pathology; Entomology; Agronomy; Nutrition.
Download or read book Legume Crops written by Mohamed El-Esawi and published by . This book was released on 2019 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Plant Breeding Reviews written by and published by John Wiley & Sons. This book was released on 2020-11-05 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt: