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Genetic Variation Heritability Estimates And Yield Relationship Of Pre Flowering And Post Flowering Drought Resistant Traits In Grain Sorghum
Download Genetic Variation Heritability Estimates And Yield Relationship Of Pre Flowering And Post Flowering Drought Resistant Traits In Grain Sorghum full books in PDF, epub, and Kindle. Read online Genetic Variation Heritability Estimates And Yield Relationship Of Pre Flowering And Post Flowering Drought Resistant Traits In Grain Sorghum ebook anywhere anytime directly on your device. Fast Download speed and no annoying ads. We cannot guarantee that every ebooks is available!
Book Synopsis Genetic Variation, Heritability Estimates, and Yield Relationship of Pre-flowering and Post-flowering Drought Resistant Traits in Grain Sorghum by : Sipho Milton Mkhabela
Download or read book Genetic Variation, Heritability Estimates, and Yield Relationship of Pre-flowering and Post-flowering Drought Resistant Traits in Grain Sorghum written by Sipho Milton Mkhabela and published by . This book was released on 1995 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :USAID Title XII Collaborative Research Support Program on Sorghum and Pearl Millet Publisher : ISBN 13 : Total Pages :244 pages Book Rating :4.:/5 (319 download)
Book Synopsis INTSORMIL Sorghum and Millet Collaborative Research Support Program (CRSP) Bibliography by : USAID Title XII Collaborative Research Support Program on Sorghum and Pearl Millet
Download or read book INTSORMIL Sorghum and Millet Collaborative Research Support Program (CRSP) Bibliography written by USAID Title XII Collaborative Research Support Program on Sorghum and Pearl Millet and published by . This book was released on 2002 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis American Doctoral Dissertations by :
Download or read book American Doctoral Dissertations written by and published by . This book was released on 1994 with total page 800 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advances in Sorghum Science by : Ratikanta Maiti
Download or read book Advances in Sorghum Science written by Ratikanta Maiti and published by CRC Press. This book was released on 2021-07-16 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt: This new volume, Advances in Sorghum Science: Botany, Production, and Crop Improvement, provides an easy-to-read and comprehensive treatment of the sorghum crop. With the world’s production of sorghum topping over 55 million tons annually, sorghum is very important for as a staple dietary food for much of the world as a rich source of micronutrients and macronutrients, as an ingredient in the processing of many foods, and as a source of fodder. The authors of the volume provide detailed information on sorghum from several disciplines and bring together recent literature under one umbrella. The book covers the various aspects of the sorghum crop, starting from its origin, to its domestication, and going on to biotechnology of the crop. It describes sorghum production, ideotypes, botany, physiology, abiotic and biotic factors affecting crop productivity, methods of cultivation, postharvest management, grain quality analysis for food processing, improvement of sorghum crop, and research advancements in breeding and biotechnology. This valuable resource will be helpful to researchers and scientists working to understand the relation between various disciplines and the implementation of new methods and technology for crop improvement and higher productivity. The multi-pronged approach will help to enable the increase sorghum productivity to meet the world’s growing demands.
Book Synopsis Quantitative Trait Locus (QTL) Mapping of Transpiration Efficiency Related to Pre-flower Drought Tolerance in Sorghum [Sorghum Bicolor (L.) Moench] by : Mohankumar Heraganahally Kapanigowda
Download or read book Quantitative Trait Locus (QTL) Mapping of Transpiration Efficiency Related to Pre-flower Drought Tolerance in Sorghum [Sorghum Bicolor (L.) Moench] written by Mohankumar Heraganahally Kapanigowda and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: There is an increasing need to improve crop water-use efficiency (WUE) (ratio of whole-plant biomass to cumulative transpiration) due to decreased water availability and increased food and energy demands throughout the world. The objective of the study was to estimate the genetic variation and genetic basis for transpiration efficiency A:E (CO2 assimilation rate (A) divided by transpiration rate (E)) trait and its relationship to WUE related to pre-flower drought tolerance in recombinant inbred lines (RILs) of sorghum and associated QTLs. A greenhouse study was conducted at Bushland, TX, 2008, using 71 RILs derived from cross of Tx430 x Tx7078. A randomized complete block experimental design was used, with both genotype and water regime (40 and 80 percent water regime) as experimental factors, and four replications. Genotype had a significant effect on A, E and A:E under both the environments. Among the RILs, entry means for A:E ranged from 1.58 to 3.07 mmol CO2 mol^-1 H2O and 1.18 to 4.36 mmol CO2 mol^-1 H2O under 80 percent and 40 percent water regime, respectively. Heritability estimates based on individual environments for A:E, A and E were 0.77, 0.45 and 0.37 under 80 percent water regime and 0.90, 0.33 and 0.71 under 40 percent water regime, respectively. A genetic map was constructed by digital genotyping method using Illumina GAII sequencer with 261 informative indel/ single-nucleotide polymorphism (SNP's) markers distributed over 10 linkage groups. Three significant QTLs associated with transpiration efficiency were identified; two on SBI-09 and one on SBI-10 with one logarithmic of odds (LOD) interval length ranging from 5.3 to 5.7 cM and accounting for 17 percent - 21 percent of the phenotypic variation. In field and greenhouse evaluation of agronomic of traits at College Station and Halfway, TX, 91 QTL that control variation in six major agronomic traits such as plant height, flowering, biomass, leaf area, leaf greenness and stomatal density were identified. Co-localization of transpiration efficiency QTLs with agronomic traits such as leaf area, biomass, leaf width and stomatal density indicated that these agronomically important QTLs can be used for further improving the sorghum performance through marker assisted selection (MAS) under pre-flowering drought stress conditions.
Book Synopsis Dissertation Abstracts International by :
Download or read book Dissertation Abstracts International written by and published by . This book was released on 1995 with total page 776 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Mass Selection for Quantitative Traits in Sorghum by : Vichitr Benjasil
Download or read book Effects of Mass Selection for Quantitative Traits in Sorghum written by Vichitr Benjasil and published by . This book was released on 1967 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt: Seven generations of two-way mass selection for three quantitative traits, seed size, height and flowering date, have been studied in this experiment. 1. Heretability parameters for all three characters have been estimated from the variance between and within selfed families and the degree of inbreeding. The three characters showed h2 estimates between 16-28%. 2. Response to selection, generation by generation, was measured in experimental plots in two years. Selection for seed size and height gave a good response up to the seventh generation of selection. Selection for earliness was ineffective,. However, selection for lateness gave a small but significant response. 3. Observed response for seed size and height agreed relatively well with the expected response calculated from the estimated h2 and selection intensity. 4. Significant correlated response of lateness was found in both directions of seed size selection and in the tall selection. The number of panicles in the seventh generations of tall selection was twice that of the base populations. 5. The three characters studied showed markedly different degrees of genotype-environment interactions. Seed size was the least sensitive and flowering date was the most sensitive to environmental influences. 6. Selection for minute seed drastically reduced grain yield (up to 50%) in seven generation of selection. No marked or consistent trends in yield were observed for the other selection criteria. 7. Intermediate seed size was optimum with respect to fitness. (...).
Book Synopsis Characterization of Grain Sorghum for Physiological and Yield Traits Associated with Drought Tolerance by :
Download or read book Characterization of Grain Sorghum for Physiological and Yield Traits Associated with Drought Tolerance written by and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Grain sorghum (Sorghum bicolor L. Moench) is the fourth most important cereal crop grown throughout the semi-arid regions of the world. It is a staple food crop in Africa and Asia, while it is an important feed crop in the United States (US). More recently it is increasingly becoming important as a potential bioenergy feedstock crop around the world. The state of Kansas is the largest producer of grain sorghum in the US and contributes 40% of the total production. Drought is one of the major environmental factors limiting sorghum production in the semi-arid regions of the US, Asia and Africa. It is estimated that global crop losses due to drought stress exceed $10 billion annually. In crop production, drought stress can be classified into pre- or post-flowering. Even though the world collections of sorghum contain over 35,000 accessions, the genetic base currently used in breeding programs is very small (about 3%). Thus, it is important to identify diverse breeding lines for crop improvement. The diversity (association) panel consisting of 300 sorghum lines from all over the world was assembled for trait evaluation and association mapping. In this research these lines were grouped into the five major races (Figure 1) and 10 intermediate races of sorghum. The objectives of the research are to: (i) quantify the performance of the diversity panel under field conditions in Kansas, (ii) identify critical physiological traits affected by drought at both pre- and post-flowering stages of sorghum development, (iii) identify the most sensitive stage to drought stress during the reproductive phase of sorghum development and, (iv) test the feasibility of using a chlorophyll fluorescence assay (CVA) as a tool for identifying stay-green lines in grain sorghum during early stages of crop development. Field experiments were conducted in 2006 and 2007 in two locations in Kansas (Manhattan and Hays) under rain fed and irrigated conditions for the association panel. Objectives (iii) and (iv) were achieved with controlled environment experiments conducted in the greenhouse at the agronomy department, Kansas State University in 2006 and 2007. Results showed that there was large genetic variability among and within different races in the diversity panel for growth, physiological traits and yield components. Some genotypes showed yield stability across the different environments that were investigated. Drought significantly decreased seed number and harvest index across genotypes and races. In grain sorghum the period prior to flowering (panicle initiation) was the most sensitive stage to drought stress, in terms of its effect on seed-set, during reproductive development. A cell viability assay showed that there were significant differences in the loss of cell viability between leaf sample of stay green and non-stay green genotypes when leaf samples are collected in the morning and subjected to high respiratory demand. Therefore the chlorophyll fluorescence assay has potential as a tool for stay green trait screening at early stages of growth in grain sorghum.
Download or read book Agronomy News written by and published by . This book was released on 1995 with total page 824 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sept.-Oct. issue includes list of theses and dissertations for U.S. and Canadian graduate degrees granted in crop science, soil science, and agronomic science during the previous academic year.
Book Synopsis Breeding Sorghum for Diverse End Uses by : Aruna C
Download or read book Breeding Sorghum for Diverse End Uses written by Aruna C and published by Woodhead Publishing. This book was released on 2018-08-22 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt: Breeding Sorghum for Diverse End Uses is a comprehensive overview of all significant global efforts for the genetic improvement of sorghum, a major crop of many semi-arid nations that is suitable for a huge range of uses, from human food, to biofuels. Split into two main sections, the book initially reviews the genetic suitability of sorghum for breeding, also providing the history of the genetic improvement of the grain. Finally, other sections look at specific breeding programs that could be improved in a number of areas, including human food, animal feed and industrial usage. Readers in academics, research, plant genetics and sorghum development will find this resource of great value. In addition, it is essential reading for engineers who utilize sorghum for food, feed and industrial materials in industry. Provides information on key advances in the genetic makeup of sorghum Allows plant breeders to apply this research to effectively breed new strains of sorghum that are dependent on final usage goals Includes the latest findings in each section to orient researchers to plans for future genetic enhancement
Download or read book Sorghum written by Ignacio A. Ciampitti and published by John Wiley & Sons. This book was released on 2020-01-22 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sorghum is among the top five cereals and one of the key crops in global food security efforts. Sorghum is a resilient crop under high-stress environments, ensuring productivity and access to food when other crops fail. Scientists see the potential of sorghum as a main staple food in a future challenged by climate change. The contributors provide a comprehensive review of sorghum knowledge. The discussion covers genetic improvements, development of new hybrids, biotechnology, and physiological modifications. Production topics include water and nutrient management, rotations, and pest control. Final end uses, sorghum as a bioenergy crop, markets, and the future of sorghum are presented. IN PRESS! This book is being published according to the “Just Published” model, with more chapters to be published online as they are completed.
Book Synopsis Molecular Genetic Analysis of Stay-green, a Post-flowering Drought Resistance Trait in Grain Sorghum (Sorghum Bicolor L. Moench) by : Oswald R. Crasta
Download or read book Molecular Genetic Analysis of Stay-green, a Post-flowering Drought Resistance Trait in Grain Sorghum (Sorghum Bicolor L. Moench) written by Oswald R. Crasta and published by . This book was released on 1995 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Genomics-Assisted Crop Improvement by : Rajeev K. Varshney
Download or read book Genomics-Assisted Crop Improvement written by Rajeev K. Varshney and published by Springer Science & Business Media. This book was released on 2007-12-13 with total page 517 pages. Available in PDF, EPUB and Kindle. Book excerpt: This superb volume provides a critical assessment of genomics tools and approaches for crop breeding. Volume 1 presents the status and availability of genomic resources and platforms, and also devises strategies and approaches for effectively exploiting genomics research. Volume 2 goes into detail on a number of case studies of several important crop and plant species that summarize both the achievements and limitations of genomics research for crop improvement.
Book Synopsis Integrated Analysis of Phenology, Traits, and QTL in the Drought Tolerant Sorghum Genotypes BTx642 and RTx7000 by : Brock D. Weers
Download or read book Integrated Analysis of Phenology, Traits, and QTL in the Drought Tolerant Sorghum Genotypes BTx642 and RTx7000 written by Brock D. Weers and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The growth and development of two sorghum drought tolerant genotypes BTx642 (post-flowering drought tolerant, "stay green") and RTx7000 (pre-flowering drought tolerant) were characterized and compared. Differences in phenology and the growth and development of leaves and stalks were identified that could contribute to variation in shoot biomass, grain yield and response to water deficit. An F12 recombinant inbred line (RIL) population derived from the two parents was genotyped using the Illumina Genome Analyzer II platform and the information used to generate a genetic map useful for analysis of quantitative trait loci (QTL). Seventy-two different traits were measured in the RIL population at anthesis and at grain maturity. Plants were grown in well-watered environments in greenhouse conditions and in field conditions near College Station, TX in 2008-2010. QTL mapping was used to analyze the genetic basis of trait variation in the population and to detect associations between traits. A total of 477 QTL were identified that in combination modulate leaf size (length, width, and area), shoot biomass accumulation (shoot, stalk, stem, leaf, and leaf sheath), panicle weight, root size and architecture (length, surface area, and volume, number of tips, forks and nodal roots, and root biomass), stalk and stem length, and flowering time. Six flowering time QTL were identified and variation in time to anthesis affected the expression of several other traits including leaf size and biomass accumulation. However, QTL infrequently had an impact on traits associated with different organs. The specificity observed is consistent with independent genetic control of traits associated with leaves, stems and roots. Nine QTL that modulated shoot biomass accumulation were detected that were not affected by flowering time. Of these, four shoot biomass QTL co-localized with leaf size traits. Eight QTL for panicle biomass were detected with two coincident with QTL for upper leaf size. A QTL for leaf width at anthesis was found to co-localize with a stay green locus.
Book Synopsis Genetic Architecture of Pre-flowering Drought Tolerance in Sorghum (Sorghum Bicolor (L.) Moench) by : Nguyen Phuong
Download or read book Genetic Architecture of Pre-flowering Drought Tolerance in Sorghum (Sorghum Bicolor (L.) Moench) written by Nguyen Phuong and published by . This book was released on 2013 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Water Stress and Crop Plants by : Parvaiz Ahmad
Download or read book Water Stress and Crop Plants written by Parvaiz Ahmad and published by John Wiley & Sons. This book was released on 2016-06-08 with total page 784 pages. Available in PDF, EPUB and Kindle. Book excerpt: Plants are subjected to a variety of abiotic stresses such as drought, temperature, salinity, air pollution, heavy metals, UV radiations, etc. To survive under these harsh conditions plants are equipped with different resistance mechanisms which vary from species to species. Due to the environmental fluctuations agricultural and horticultural crops are often exposed to different environmental stresses leading to decreased yield and problems in the growth and development of the crops. Drought stress has been found to decrease the yield to an alarming rate of some important crops throughout the globe. During last few decades, lots of physiological and molecular works have been conducted under water stress in crop plants. Water Stress and Crop Plants: A Sustainable Approach presents an up-to-date in-depth coverage of drought and flooding stress in plants, including the types, causes and consequences on plant growth and development. It discusses the physiobiochemical, molecular and omic approaches, and responses of crop plants towards water stress. Topics include nutritional stress, oxidative stress, hormonal regulation, transgenic approaches, mitigation of water stress, approaches to sustainability, and modern tools and techniques to alleviate the water stress on crop yields. This practical book offers pragmatic guidance for scientists and researchers in plant biology, and agribusinesses and biotechnology companies dealing with agronomy and environment, to mitigate the negative effects of stress and improve yield under stress. The broad coverage also makes this a valuable guide enabling students to understand the physiological, biochemical, and molecular mechanisms of environmental stress in plants.
Book Synopsis Heritability Estimates and Interrelationships Among Agronomic Traits for Three Grain Sorghum (Sorghum Bicolor (L.) Moench) Grosses by : Jai Hoon Chung
Download or read book Heritability Estimates and Interrelationships Among Agronomic Traits for Three Grain Sorghum (Sorghum Bicolor (L.) Moench) Grosses written by Jai Hoon Chung and published by . This book was released on 1970 with total page 138 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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