Evaluation Of Rice Mini Core Collection Response To Low Temperature At Reproductive Stage
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Evaluation Of Rice Mini Core Collection Response To Low Temperature At Reproductive Stage
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Author : Bapsila Loitongbam
language : en
Publisher: GRIN Verlag
Release Date : 2023-04-05
Evaluation Of Rice Mini Core Collection Response To Low Temperature At Reproductive Stage written by Bapsila Loitongbam and has been published by GRIN Verlag this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-04-05 with Science categories.
Seminar paper from the year 2023 in the subject Biology - Genetics / Gene Technology, grade: 8.0, , language: English, abstract: Recently, a mini core panel of 98 genotypes representing the diversity of Indian rice germplasm was identified. This mini core is a very important resource that can be evaluated for specific traits of interest to identify superior genotypes that could be used as parents in breeding programmes. The present study was focused on a systematic evaluation of mini core rice collection along with a set of germplasm from the North Eastern Hill Region under cold stress with following specific objectives: To study and compare the effect of three dates of sowing (early, medium and late) on rice mini core collection with respect to yield contributing traits, to determine the trait that most affects yield under stress through path coefficient analysis, to study the effect of cold stress at booting stage on pollen and spikelet fertility under controlled low temperature conditions and to identify tolerant and susceptible genotypes. Rice farming is the largest single use of land for producing food. Ninety percent of the rice is produced in Asia, and it totaled 696 million tons in 2010. Rice production is one of the most important economic activities on Earth. Only 7% of all rice production is exported from its country of origin. Various abiotic stresses directly or indirectly affect the physiological status of rice and negatively alter its overall metabolism, often with impacts on grain yield. Cold stress is one of the abiotic stresses which are common problem of rice cultivation. Cold stress causes various injuries to rice seedlings in low-temperature and high-altitude areas and is therefore an important factor affecting rice production in such areas. Rice is a cold-sensitive plant that has its origin in tropical or subtropical areas, and cold damage can cause serious yield losses. Low temperature effects the rice cultivation mainly in two stages of development i.e., seedling and booting. In both of them, cold temperature has harmful effects on crop productivity, as in the first case the number of established plants is affected and in the booting stage pollen sterility can be induced by cold, decreasing the final number of grains.
Rice Improvement
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Author : Jauhar Ali
language : en
Publisher: Springer Nature
Release Date : 2021-05-05
Rice Improvement written by Jauhar Ali and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-05-05 with Technology & Engineering categories.
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.
Genome Wide Association Studies And Genomic Selection For Crop Improvement In The Era Of Big Data
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Author : Nunzio D’Agostino
language : en
Publisher: Frontiers Media SA
Release Date : 2023-05-05
Genome Wide Association Studies And Genomic Selection For Crop Improvement In The Era Of Big Data written by Nunzio D’Agostino and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-05-05 with Science categories.
Approaches For Enhancing Abiotic Stress Tolerance In Plants
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Author : Mirza Hasanuzzaman
language : en
Publisher: CRC Press
Release Date : 2019-01-10
Approaches For Enhancing Abiotic Stress Tolerance In Plants written by Mirza Hasanuzzaman and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-01-10 with Science categories.
Plants are frequently exposed to unfavorable and adverse environmental conditions known as abiotic stressors. These factors can include salinity, drought, heat, cold, flooding, heavy metals, and UV radiation which pose serious threats to the sustainability of crop yields. Since abiotic stresses are major constraints for crop production, finding the approaches to enhance stress tolerance is crucial to increase crop production and increase food security. This book discusses approaches to enhance abiotic stress tolerance in crop plants on a global scale. Plants scientists and breeders will learn how to further mitigate plant responses and develop new crop varieties for the changing climate.
Fundamentals Of Rice Crop Science
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Author : Shouichi Yoshida
language : en
Publisher: Int. Rice Res. Inst.
Release Date : 1981
Fundamentals Of Rice Crop Science written by Shouichi Yoshida and has been published by Int. Rice Res. Inst. this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981 with Rice categories.
Growth and development of the rice plant. Climatic environments and its influence. Mineral nutrition of rice. Nutritional disorders. Photosynthesis and respiration. Rice plant characters in relation to yielding ability. Physiological analysis of rice yield.
Omics Approach To Manage Abiotic Stress In Cereals
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Author : Aryadeep Roychoudhury
language : en
Publisher: Springer Nature
Release Date : 2022-05-30
Omics Approach To Manage Abiotic Stress In Cereals written by Aryadeep Roychoudhury and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-05-30 with Science categories.
The edited book highlights various emerging Omics tools and techniques that are currently being used in the analysis of responses to different abiotic stress in agronomically important cereals and their applications in enhancing tolerance mechanism. Plants are severely challenged by diverse abiotic stress factors such as low water availability (drought), excess water (flooding/ waterlogging), extremes of temperatures (cold, chilling, frost, and heat), salinity, mineral deficiency, and heavy metal toxicity. Agronomically important cereal crops like Rice, Wheat, Maize, Sorghum, Pearl Millet, Barley, Oats, Rye, Foxtail Millets etc. that are the major sources of food material and nutritional components for human health are mostly exposed to abiotic stresses during the critical phases of flowering and grain yield. Different Omics platforms like genomics, transcriptomics proteomics, metabolomics and phenomics, in conjunction with breeding and transgenic technology, and high throughput technologies like next generation sequencing, epigenomics, genome editing and CRISPR-Cas technology have emerged altogether in understanding abiotic stress response and strengthening defense and tolerance mechanism of different cereals. This book is beneficial to different universities and research institutes working with different cereal crops in the areas of stress physiology, stress-associated genes and proteins, genomics, proteomics, genetic engineering, and other fields of molecular plant physiology. The book can also be used as advanced textbook for the course work of research and master’s level students. It will be of use to people involved in ecological studies and sustainable agriculture. The proposed book bring together the global leaders working on environmental stress in different cereal crops and motivate scientists to explore new horizons in the relevant areas of research.
Quantitative Genetics Genomics And Plant Breeding 2nd Edition
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Author : Manjit S. Kang
language : en
Publisher: CABI
Release Date : 2020-04-01
Quantitative Genetics Genomics And Plant Breeding 2nd Edition written by Manjit S. Kang and has been published by CABI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-04-01 with Science categories.
This book presents state-of-the-art, authoritative chapters on contemporary issues in the broad areas of quantitative genetics, genomics and plant breeding. Section 1 (Chapters 2 to 12) emphasizes the application of genomics, and genome and epigenome editing techniques, in plant breeding; bioinformatics; quantitative trait loci mapping; and the latest approaches of examining and exploiting genotype-environment interactions. Section 2 (Chapters 13 to 20) represents the intersection of breeding, genetics and genomics. This section describes the use of cutting-edge molecular breeding and quantitative genetics techniques in wheat, rice, maize, root and tuber crops and pearl millet. Overall, the book focuses on using genomic information to help evaluate traits that can combat biotic/abiotic stresses, genome-wide association mapping, high-throughput genotyping/phenotyping, biofortification, use of big data, orphan crops, and gene editing techniques. The examples featured are taken from across crop science research and cover a wide geographical base.
Identification And Characterization Of Contrasting Genotypes Cultivars To Discover Novel Players In Crop Responses To Abiotic Biotic Stresses
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Author : Raul Antonio Sperotto
language : en
Publisher: Frontiers Media SA
Release Date : 2022-02-24
Identification And Characterization Of Contrasting Genotypes Cultivars To Discover Novel Players In Crop Responses To Abiotic Biotic Stresses written by Raul Antonio Sperotto and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-02-24 with Science categories.
Plant Responses To Biotic And Abiotic Stresses Lessons From Cell Signaling
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Author : Sylvain Jeandroz
language : en
Publisher: Frontiers Media SA
Release Date : 2017-12-28
Plant Responses To Biotic And Abiotic Stresses Lessons From Cell Signaling written by Sylvain Jeandroz and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-12-28 with Electronic book categories.
Facing stressful conditions imposed by their environment and affecting their growth and their development throughout their life cycle, plants must be able to perceive, to process and to translate different stimuli into adaptive responses. Understanding the organism-coordinated responses involves a fine description of the mechanisms occurring at the cellular and molecular level. A major challenge is also to understand how the large diversity of molecules identified as signals, sensors or effectors could drive a cell to the appropriate plant response and to finally cope with various environmental cues. In this Research Topic we aim to provide an overview of various signaling mechanisms or to present new molecular signals involved in stress response and to demonstrate how basic/fundamental research on cell signaling will help to understand stress responses at the whole plant level.
Genetic Evaluation For Insect Resistance In Rice
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Author : E. A. Heinrichs
language : en
Publisher: Int. Rice Res. Inst.
Release Date : 1985
Genetic Evaluation For Insect Resistance In Rice written by E. A. Heinrichs and has been published by Int. Rice Res. Inst. this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with Technology & Engineering categories.