Genetic And Molecular Analysis Of Yield And Physiological Traits In Three Line Hybrids In Rice Oryza Sativa L Under Aerobic Condition

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Genetic and Molecular analysis of yield and physiological traits in three line hybrids in rice (Oryza sativa L.) under aerobic condition

Author : Sathya Ramalingam
Publisher : GRIN Verlag
ISBN 13 : 3656322260
Total Pages : 332 pages
Book Rating : 4.6/5 (563 download)

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Book Synopsis Genetic and Molecular analysis of yield and physiological traits in three line hybrids in rice (Oryza sativa L.) under aerobic condition by : Sathya Ramalingam

Download or read book Genetic and Molecular analysis of yield and physiological traits in three line hybrids in rice (Oryza sativa L.) under aerobic condition written by Sathya Ramalingam and published by GRIN Verlag. This book was released on 2012-11-27 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt: Doctoral Thesis / Dissertation from the year 2012 in the subject Biology - Genetics / Gene Technology, Tamil Nadu Agricultural University (Madurai Agricultural College and Research Institute), course: Ph.D, language: English, abstract: An investigation in rice (Oryza sativa L.) was carried out subjecting six ‘lines’ and 15 ‘testers’ crossed in a Line x Tester mating design to estimate gene action, combining ability and heterosis for yield and drought tolerant traits under aerobic condition. The 21 parents were also surveyed using SSR markers. From the Line x Tester analysis, the hybrids exhibited significant variation among themselves for all the characters studied under aerobic condition. The study of gene action for drought tolerance and yield component traits revealed that all the traits exhibited dominant gene action which was predominant. Therefore, to harness the dominant gene effects, either heterosis breeding or selection at later generations would be an appropriate breeding methodology. Based on the per se performance of lines and testers, the following parents i.e., IR79128A (L1), IR79156A (L2), COMS14A (L5), COMS24A (L6), IR 80286-22-3-6-1R (T3) and IR7925A-428-2-1-1R (T4) were adjudged as the best parents and crosses involving them would be expected to throw desirable segregants for both yield and drought tolerant traits under aerobic condition. Based on the gca effects, the parents IR79128A (L1), IR70369A (L4), IR79156A (L2), BI-33 (T15), IR79582-21-2-2-1R (T5), KMP-105 (T11), T1 (IR 69726-29-1-2-2R) and MAS - 946-1 (T9) were the best general combiners and the crosses involving them would result in the identification of superior segregants with favourable genes for both drought and yield. Out of 21 parents evaluated based on per se and gca effects, three ‘lines’ viz., IR79128A (L1), IR79156A (L2) and IR70369A (L4) and three ‘testers’ viz., IR7925A-428-2-1-1R (T11), KMP -148 (T12) and BI-33 (T15) were identified as the best genotypes which will be utilized in further breeding programmes as parents for improvement of yield and drought tolerance under aerobic conditions. The cross combination IR70369A / MAS -26 (L4 x T10) was identified as the best for recombination breeding to get desirable segregants for yield and drought tolerant traits under aerobic conditions. The cross combinations viz., IR70369A / IR 7925A-428-2-1-1R (L4 x T4) and IR70369A / KMP-105 (L4 x T11) had high per se, sca effects and standard heterosis for drought tolerant and yield traits under aerobic conditions.

Development of Three Line Aerobic Rice Hybrids

Author : Sathya Ramalingam
Publisher :
ISBN 13 : 9783659234149
Total Pages : 0 pages
Book Rating : 4.2/5 (341 download)

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Book Synopsis Development of Three Line Aerobic Rice Hybrids by : Sathya Ramalingam

Download or read book Development of Three Line Aerobic Rice Hybrids written by Sathya Ramalingam and published by . This book was released on 2012 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Association of Morphological and Physiological Characters with Yield of Certain Rice (Oryza Sativa L.) Hybrids

Author : D. Shivani
Publisher :
ISBN 13 :
Total Pages : 98 pages
Book Rating : 4.:/5 (73 download)

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Book Synopsis Association of Morphological and Physiological Characters with Yield of Certain Rice (Oryza Sativa L.) Hybrids by : D. Shivani

Download or read book Association of Morphological and Physiological Characters with Yield of Certain Rice (Oryza Sativa L.) Hybrids written by D. Shivani and published by . This book was released on 1998 with total page 98 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Plant Responses to Abiotic Stress

Author : Heribert Hirt
Publisher : Springer Science & Business Media
ISBN 13 : 9783540200376
Total Pages : 336 pages
Book Rating : 4.2/5 (3 download)

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Book Synopsis Plant Responses to Abiotic Stress by : Heribert Hirt

Download or read book Plant Responses to Abiotic Stress written by Heribert Hirt and published by Springer Science & Business Media. This book was released on 2003-10-08 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt: Environmental stresses represent the most limiting factors for agricultural productivity. Apart from biotic stress caused by plant pathogens, there are a number of abiotic stresses such as extremes in temperature, drought, salinity, heavy metals and radiation which all have detrimental effects on plant growth and yield. However, certain plant species and ecotypes have developed various mechanisms to adapt to such stress conditions. Recent advances in the understanding of these abiotic stress responses provided the impetus for compiling up-to-date reviews discussing all relevant topics in abiotic stress signaling of plants in a single volume. Topical reviews were prepared by selected experts and contain an introduction, discussion of the state of the art and important future tasks of the particular fields.

Rice Improvement

Author : Jauhar Ali
Publisher : Springer Nature
ISBN 13 : 3030665305
Total Pages : 507 pages
Book Rating : 4.0/5 (36 download)

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Book Synopsis Rice Improvement by : Jauhar Ali

Download or read book Rice Improvement written by Jauhar Ali and published by Springer Nature. This book was released on 2021-05-05 with total page 507 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is open access under a CC BY 4.0 license. By 2050, human population is expected to reach 9.7 billion. The demand for increased food production needs to be met from ever reducing resources of land, water and other environmental constraints. Rice remains the staple food source for a majority of the global populations, but especially in Asia where ninety percent of rice is grown and consumed. Climate change continues to impose abiotic and biotic stresses that curtail rice quality and yields. Researchers have been challenged to provide innovative solutions to maintain, or even increase, rice production. Amongst them, the ‘green super rice’ breeding strategy has been successful for leading the development and release of multiple abiotic and biotic stress tolerant rice varieties. Recent advances in plant molecular biology and biotechnologies have led to the identification of stress responsive genes and signaling pathways, which open up new paradigms to augment rice productivity. Accordingly, transcription factors, protein kinases and enzymes for generating protective metabolites and proteins all contribute to an intricate network of events that guard and maintain cellular integrity. In addition, various quantitative trait loci associated with elevated stress tolerance have been cloned, resulting in the detection of novel genes for biotic and abiotic stress resistance. Mechanistic understanding of the genetic basis of traits, such as N and P use, is allowing rice researchers to engineer nutrient-efficient rice varieties, which would result in higher yields with lower inputs. Likewise, the research in micronutrients biosynthesis opens doors to genetic engineering of metabolic pathways to enhance micronutrients production. With third generation sequencing techniques on the horizon, exciting progress can be expected to vastly improve molecular markers for gene-trait associations forecast with increasing accuracy. This book emphasizes on the areas of rice science that attempt to overcome the foremost limitations in rice production. Our intention is to highlight research advances in the fields of physiology, molecular breeding and genetics, with a special focus on increasing productivity, improving biotic and abiotic stress tolerance and nutritional quality of rice.

Mineral Nutrition and Plant Stress Tolerance

Author : Md Sazzad Hossain
Publisher : Frontiers Media SA
ISBN 13 : 2832552625
Total Pages : 143 pages
Book Rating : 4.8/5 (325 download)

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Book Synopsis Mineral Nutrition and Plant Stress Tolerance by : Md Sazzad Hossain

Download or read book Mineral Nutrition and Plant Stress Tolerance written by Md Sazzad Hossain and published by Frontiers Media SA. This book was released on 2024-08-05 with total page 143 pages. Available in PDF, EPUB and Kindle. Book excerpt: Plants can accumulate essential mineral elements that are used in synthesizing a variety of important organic compounds and play crucial roles in metabolic pathways. Mineral elements are mainly derived from the soil in inorganic form. In soil, more than 60 mineral elements are present, but only macronutrients, micronutrients, and beneficial elements (e.g., cobalt, selenium, nickel, and silicon) are taken up by plants. Plant research has previously focused on essential plant nutrients (EPNs). But now we see that nutrients other than EPNs are also playing a vital role in plant adaptation, growth, and development. Furthermore, the interaction of non-essential elements with EPNs triggers plant stress tolerance, gaining attention as an important area of plant research. Abiotic and biotic stresses and their combinations influence many aspects of crop physiology and plant biochemistry. Therefore, understanding crops' physiological and biochemical responses to adverse environmental conditions is critical. While significant strides have been made in the domain of plant nutrition and stress tolerance, many aspects still remain unknown.

Genetic Analysis of Yield and Its Compnents in Three Rice (Oryza Sativa L.) Crosses

Author : Mahammed Ariz Ahamed
Publisher :
ISBN 13 :
Total Pages : 107 pages
Book Rating : 4.:/5 (73 download)

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Book Synopsis Genetic Analysis of Yield and Its Compnents in Three Rice (Oryza Sativa L.) Crosses by : Mahammed Ariz Ahamed

Download or read book Genetic Analysis of Yield and Its Compnents in Three Rice (Oryza Sativa L.) Crosses written by Mahammed Ariz Ahamed and published by . This book was released on 1991 with total page 107 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Nutrient Interactions in Plants

Author : Francisco Javier Romera
Publisher : Frontiers Media SA
ISBN 13 : 2889740463
Total Pages : 308 pages
Book Rating : 4.8/5 (897 download)

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Book Synopsis Nutrient Interactions in Plants by : Francisco Javier Romera

Download or read book Nutrient Interactions in Plants written by Francisco Javier Romera and published by Frontiers Media SA. This book was released on 2022-01-17 with total page 308 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Genetic Analysis and Breeding Potential for Grain Yield and Its Stabilizing Traits Under Aerobic Condition in Rice (Oryza Sativa L.)

Author : N. M. Mallikarjuna
Publisher :
ISBN 13 :
Total Pages : 108 pages
Book Rating : 4.:/5 (828 download)

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Book Synopsis Genetic Analysis and Breeding Potential for Grain Yield and Its Stabilizing Traits Under Aerobic Condition in Rice (Oryza Sativa L.) by : N. M. Mallikarjuna

Download or read book Genetic Analysis and Breeding Potential for Grain Yield and Its Stabilizing Traits Under Aerobic Condition in Rice (Oryza Sativa L.) written by N. M. Mallikarjuna and published by . This book was released on 2012 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Plant Breeding For Stress Environments

Author : Abraham Blum
Publisher : CRC Press
ISBN 13 : 1351092618
Total Pages : 488 pages
Book Rating : 4.3/5 (51 download)

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Book Synopsis Plant Breeding For Stress Environments by : Abraham Blum

Download or read book Plant Breeding For Stress Environments written by Abraham Blum and published by CRC Press. This book was released on 2018-01-18 with total page 488 pages. Available in PDF, EPUB and Kindle. Book excerpt: This publication opens with the inevitable introduction, moves on to the present traditional approach to breeding for yield stability, and then enumerates a detailed discussion of the physiological approach to breeding for resistance to specific stresses. Not all environmental stresses are covered, omitting those for which little can be said today on practical breeding solutions.

Water-wise Rice Production

Author : B. A. M. Bouman
Publisher : Int. Rice Res. Inst.
ISBN 13 : 9712201821
Total Pages : 352 pages
Book Rating : 4.7/5 (122 download)

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Book Synopsis Water-wise Rice Production by : B. A. M. Bouman

Download or read book Water-wise Rice Production written by B. A. M. Bouman and published by Int. Rice Res. Inst.. This book was released on 2002 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Morpho-physiological, Yield, and Genetic Characterization of Indica Rice (Oryza Sativa L.) Genotypes for Salinity and Drought Tolerance

Download Morpho-physiological, Yield, and Genetic Characterization of Indica Rice (Oryza Sativa L.) Genotypes for Salinity and Drought Tolerance PDF Online Free

Author : Naqeebullah Naqeebullah
Publisher :
ISBN 13 :
Total Pages : 195 pages
Book Rating : 4.:/5 (123 download)

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Book Synopsis Morpho-physiological, Yield, and Genetic Characterization of Indica Rice (Oryza Sativa L.) Genotypes for Salinity and Drought Tolerance by : Naqeebullah Naqeebullah

Download or read book Morpho-physiological, Yield, and Genetic Characterization of Indica Rice (Oryza Sativa L.) Genotypes for Salinity and Drought Tolerance written by Naqeebullah Naqeebullah and published by . This book was released on 2019 with total page 195 pages. Available in PDF, EPUB and Kindle. Book excerpt: The occurrence of phenotypic and genotypic diversity is the key factor in crop improvement including abiotic stress tolerance. The focal objectives of this study were to evaluate and characterize 74 tropical indica rice breeding lines for phenotypic and genotypic diversity, screening for the most devastating abiotic stresses in rice; drought and salinity at the seedling stage at morpho-physiological and molecular levels. To fulfill these objectives, five studies were conducted in pots; first two experiments aimed at assessing phenotypic and yield variability at seedling and maturity stages respectively; based on several (more than 20) root and shoot traits which exploited a wide range of variability among genotypes for measured traits. Germplasm was then screened for drought stress at two moister regimes, 50%, and 100% moisture levels, under mini-hoop structures. Nine percent of the genotypes exhibited a high tolerance to drought stress, and genotypes IR86638 and IR49830 were identified as the most and least drought tolerant respectively. Germplasm was also screened for salinity tolerance in pure sand pot-culture (a simple, efficient and alternate screening method) at three levels; high salt stress (EC 12 dSm-1), moderate salt stress (EC 6 dSm-1), and control imposed one week after emergence. Thirteen genotypes (17.57%) were identified as highly salt tolerant; genotypes FED 473 and IR85427 were highly salt tolerant and salt sensitive, respectively. Root traits were found more crucial and best descriptors in identifying both salinity and drought tolerant genotypes. Genotypes were further used in Genome-wide Association Study (GWAS) to uncover important SNPs, QTLs or genes related to salinity tolerance. A higher number of significant SNPs were discovered for root traits, indicting the importance of root traits in identifying abiotic stress tolerance in rice. The knowledge gained from this investigation could be useful in breeding for better crop establishment, yield improvement, screening for any abiotic stress tolerance.

Genetic Parameter, Physiological, Molecular Analysis of Root and Shoot Traits Related to Drought Tolerance in Rice (Oryza Sativa L)

Author : Veeresh Gowda R.P.
Publisher :
ISBN 13 :
Total Pages : 216 pages
Book Rating : 4.:/5 (828 download)

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Book Synopsis Genetic Parameter, Physiological, Molecular Analysis of Root and Shoot Traits Related to Drought Tolerance in Rice (Oryza Sativa L) by : Veeresh Gowda R.P.

Download or read book Genetic Parameter, Physiological, Molecular Analysis of Root and Shoot Traits Related to Drought Tolerance in Rice (Oryza Sativa L) written by Veeresh Gowda R.P. and published by . This book was released on 2011 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Rice Genomics, Genetics and Breeding

Author : Takuji Sasaki
Publisher : Springer
ISBN 13 : 9811074615
Total Pages : 556 pages
Book Rating : 4.8/5 (11 download)

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Book Synopsis Rice Genomics, Genetics and Breeding by : Takuji Sasaki

Download or read book Rice Genomics, Genetics and Breeding written by Takuji Sasaki and published by Springer. This book was released on 2018-02-14 with total page 556 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents the latest advances in rice genomics, genetics and breeding, with a special focus on their importance for rice biology and how they are breathing new life into traditional genetics. Rice is the main staple food for more than half of the world’s population. Accordingly, sustainable rice production is a crucial issue, particularly in Asia and Africa, where the population continues to grow at an alarming rate. The book’s respective chapters offer new and timely perspectives on the synergistic effects of genomics and genetics in novel rice breeding approaches, which can help address the urgent issue of providing enough food for a global population that is expected to reach 9 billion by 2050.

Genetic Variability for Water Use Efficiency, Grain Yield and Their Related Traits Under Aerobic Condition in F2 Population of Three Crosses of Rice (Oryza Sativa L.).

Download Genetic Variability for Water Use Efficiency, Grain Yield and Their Related Traits Under Aerobic Condition in F2 Population of Three Crosses of Rice (Oryza Sativa L.). PDF Online Free

Author : D Anjali
Publisher :
ISBN 13 :
Total Pages : 98 pages
Book Rating : 4.:/5 (828 download)

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Book Synopsis Genetic Variability for Water Use Efficiency, Grain Yield and Their Related Traits Under Aerobic Condition in F2 Population of Three Crosses of Rice (Oryza Sativa L.). by : D Anjali

Download or read book Genetic Variability for Water Use Efficiency, Grain Yield and Their Related Traits Under Aerobic Condition in F2 Population of Three Crosses of Rice (Oryza Sativa L.). written by D Anjali and published by . This book was released on 2009 with total page 98 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Genetic Variability for Morphological and Physiological Traits Related to Water Use Efficiency and Grain Yield in Three Different Crosses of Rice (Oryza Sativa L.)

Download Genetic Variability for Morphological and Physiological Traits Related to Water Use Efficiency and Grain Yield in Three Different Crosses of Rice (Oryza Sativa L.) PDF Online Free

Author : Ramesh
Publisher :
ISBN 13 :
Total Pages : 102 pages
Book Rating : 4.:/5 (828 download)

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Book Synopsis Genetic Variability for Morphological and Physiological Traits Related to Water Use Efficiency and Grain Yield in Three Different Crosses of Rice (Oryza Sativa L.) by : Ramesh

Download or read book Genetic Variability for Morphological and Physiological Traits Related to Water Use Efficiency and Grain Yield in Three Different Crosses of Rice (Oryza Sativa L.) written by Ramesh and published by . This book was released on 2008 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Crop Physiology Case Histories for Major Crops

Author : Victor Sadras
Publisher : Academic Press
ISBN 13 : 0128191953
Total Pages : 780 pages
Book Rating : 4.1/5 (281 download)

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Book Synopsis Crop Physiology Case Histories for Major Crops by : Victor Sadras

Download or read book Crop Physiology Case Histories for Major Crops written by Victor Sadras and published by Academic Press. This book was released on 2020-12-05 with total page 780 pages. Available in PDF, EPUB and Kindle. Book excerpt: Crop Physiology: Case Histories of Major Crops updates the physiology of broad-acre crops with a focus on the genetic, environmental and management drivers of development, capture and efficiency in the use of radiation, water and nutrients, the formation of yield and aspects of quality. These physiological process are presented in a double context of challenges and solutions. The challenges to increase plant-based food, fodder, fiber and energy against the backdrop of population increase, climate change, dietary choices and declining public funding for research and development in agriculture are unprecedented and urgent. The proximal technological solutions to these challenges are genetic improvement and agronomy. Hence, the premise of the book is that crop physiology is most valuable when it engages meaningfully with breeding and agronomy. With contributions from 92 leading scientists from around the world, each chapter deals with a crop: maize, rice, wheat, barley, sorghum and oat; quinoa; soybean, field pea, chickpea, peanut, common bean, lentil, lupin and faba bean; sunflower and canola; potato, cassava, sugar beet and sugarcane; and cotton. A crop-based approach to crop physiology in a G x E x M context Captures the perspectives of global experts on 22 crops