Desenvolvimento De Genotipos Mutantes De Arroz Oryza Sativa L Atraves De Irradiacao Gama

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Desenvolvimento de genotipos mutantes de arroz (Oryza sativa L.) atraves de irradiacao gama

Author : T. Ishiy
Publisher :
ISBN 13 :
Total Pages : 67 pages
Book Rating : 4.:/5 (79 download)

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Book Synopsis Desenvolvimento de genotipos mutantes de arroz (Oryza sativa L.) atraves de irradiacao gama by : T. Ishiy

Download or read book Desenvolvimento de genotipos mutantes de arroz (Oryza sativa L.) atraves de irradiacao gama written by T. Ishiy and published by . This book was released on 1991 with total page 67 pages. Available in PDF, EPUB and Kindle. Book excerpt: O objetivo deste trabalho foi o desenvolvimento de genotipos de arroz irrigado por inundacao, atraves da mutacao induzida. O experimento foi conduzido na Estacao Experimental de Itajai, situado a 26 graus 54'S, 48 graus 49'W, cujo clima, segundo sistema de Koppen, e do tipo Cfa- Subtropical Umido. Sementes das cultivares EMPASC 101 e IRGA 408 foram irradiadas com raios gama, nas doses de 12 e 24 Krad e, apos a formacao das mudas, foram transplantadas individualmente ao campo no espacamento de 0,30mx0,15m. Na maturacao, foram colhidas 5 sementes de cada uma das tres primeiras paniculas de cada planta para serem utilizada na geracao seguinte. Na geracao M2, as populacoes foram conduzidas de forma semelhante, realizando-se as avaliacoes a partir da floracao. Cada planta selecionada deu origem a uma linhagem que foi testada na geracao M3. Apos as avaliacoes, foram selecionadas dezesseis linhagens, sendo tres mutantes da EMPASC 101 e treze da IRGA 408. As dezesseis linhagens, juntamente com as cultivares originais, EMPASC 101 e IRGA 408, e as cultivares-padrao BR-IRGA 409, CICA 8 e EMPASC 104, constituiram os 21 tratamentos que foram distribuidos em cinco blocos casualizados. Os resultados alcancados permitiram concluir que, atraves da mutacao induzida com raios gama, e possivel obter inumeras variantes de plantas e desenvolver novos genotipos de arroz irrigado com melhores atributos agronomicos que as originais. Seis genotipos mutantes revelam potencialidades como cultivares por apresentarem caracteristicas ...

Caracterizacao de linhagens mutantes de arroz de sequeiro (Oryza sativa L.) obtidas por combinacoes de radiacao gama e mutagenicos quimicos

Download Caracterizacao de linhagens mutantes de arroz de sequeiro (Oryza sativa L.) obtidas por combinacoes de radiacao gama e mutagenicos quimicos PDF Online Free

Author : C.F.G. de ALMEIDA
Publisher :
ISBN 13 :
Total Pages : 106 pages
Book Rating : 4.:/5 (71 download)

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Book Synopsis Caracterizacao de linhagens mutantes de arroz de sequeiro (Oryza sativa L.) obtidas por combinacoes de radiacao gama e mutagenicos quimicos by : C.F.G. de ALMEIDA

Download or read book Caracterizacao de linhagens mutantes de arroz de sequeiro (Oryza sativa L.) obtidas por combinacoes de radiacao gama e mutagenicos quimicos written by C.F.G. de ALMEIDA and published by . This book was released on 1983 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt: Caracteristicas fenologicas e morfo-fisiologicas de 47 linhagens de arroz de sequeiro, obtidas a partir de sementes da variedade doutorado precoce, tratadas com conbinacoes de raios gama e mutagenicos quimicos , bem como verificar o comportamento destas em relacao a variedade original e cultivares, todas essas linhagens foram cultivads em campo experimental do departamento e Instituto de Genetica da Escola Superior de Agricultura "Luiz de Queiroz", da Universidade de Saso Paulo, Piracicaba, Sao Paulo, Brasil.

Estudos da sensitividade de sementes de arroz (Oryza sativa L.) a radiação gama, neutrons, sulfato de dietila (DES) e azida sódica (SA).

Author : E. P. Guimarães
Publisher :
ISBN 13 :
Total Pages : 198 pages
Book Rating : 4.:/5 (78 download)

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Book Synopsis Estudos da sensitividade de sementes de arroz (Oryza sativa L.) a radiação gama, neutrons, sulfato de dietila (DES) e azida sódica (SA). by : E. P. Guimarães

Download or read book Estudos da sensitividade de sementes de arroz (Oryza sativa L.) a radiação gama, neutrons, sulfato de dietila (DES) e azida sódica (SA). written by E. P. Guimarães and published by . This book was released on 1978 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt: O emprego de agentes mutagênicos físicos e químicos, para induzir mutações em plantas é um método de melhoramento de grande utilidade. Sementes de arroz de sequeiro, da variedade "Dourado Precoce", foram submetidas a tratamentos mutagênicos com radiação gama neutrons térmicos e rápidos, sulfato de dietile (DES) e azida sódica (SA). Nesses tratamentos procurou-se estudar os efeitos biológicos causados na geração M1, como por exemplo, o efeito na sobrevivência, altura de plântulas, fertilidade de plantas e mutação de clorofila. Os dados obtidos foram analisados pelo "Teste de Independência", sendo que, para a altura de plântulas com SA, foi possível a composição de um quadro de análise de variância. No entanto, para a freqüência de mutação de clorofila, usou-se de dois métodos de cálculo: (1) número de mutações por 100 panículas M1 e (2) número de mutantes por 100 plântulas M2.

Agrindex

Author :
Publisher :
ISBN 13 :
Total Pages : 776 pages
Book Rating : 4.E/5 ( download)

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Book Synopsis Agrindex by :

Download or read book Agrindex written by and published by . This book was released on 1992 with total page 776 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Evolution of Cardio-Metabolic Risk from Birth to Middle Age

Author : Gerald S. Berenson
Publisher : Springer Science & Business Media
ISBN 13 : 9400714513
Total Pages : 215 pages
Book Rating : 4.4/5 (7 download)

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Book Synopsis Evolution of Cardio-Metabolic Risk from Birth to Middle Age by : Gerald S. Berenson

Download or read book Evolution of Cardio-Metabolic Risk from Birth to Middle Age written by Gerald S. Berenson and published by Springer Science & Business Media. This book was released on 2011-07-09 with total page 215 pages. Available in PDF, EPUB and Kindle. Book excerpt: That precursors of adult coronary artery disease, hypertension, and type II diabetes begin in childhood have been clearly established by the Bogalusa Heart Study. This unique research program has been able to follow a biracial (black/white) population over 35 years from childhood through mid-adulthood to provide perspectives on the natural history of adult heart diseases. Not only do these observations describe trajectories of cardio-metabolic risk variables leading to these diseases but provide a rationale for the need to begin prevention beginning in childhood. The trajectories of the burden of cardio-metabolic risk variables in the context of their fetal origin and chromosome telomere dynamics provide some insight into the metabolic imprinting in utero and aging process. The observed racial contrasts on cardio-metabolic risk variables implicate various biologic pathways interacting with environment contributing to the high morbidity and mortality from related diseases in our population. To address the seriousness of the onset of cardiovascular disease in youth, approaches to primordial prevention are described focussing on childhood health education as an important aspect of Preventive Cardiology.

Samples:From the Patient to the Laboratory

Author : Walter G. Guder
Publisher : John Wiley & Sons
ISBN 13 : 3527612513
Total Pages : 115 pages
Book Rating : 4.5/5 (276 download)

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Book Synopsis Samples:From the Patient to the Laboratory by : Walter G. Guder

Download or read book Samples:From the Patient to the Laboratory written by Walter G. Guder and published by John Wiley & Sons. This book was released on 2008-01-08 with total page 115 pages. Available in PDF, EPUB and Kindle. Book excerpt: This forth updated edition contains the latest developments in analytical techniques. An international team of authors summarizes the information on biological influences, analytical interferences and on the variables affecting the collection, transport and storage as well as preparation of samples. They cover age, gender, race, pregnancy, diet, exercise and altitude, plus the effects of stimulants and drugs. National and international standards are described for sampling procedures, transport, sample identification and all safety aspects, while quality assurance procedures are shown for total laboratory management. In addition, the authors provide a glossary as well as a separate list of analytes containing the available data on reference intervals, biological half-life times, stability and influence and interference factors. For everyone involved in patient care and using or performing laboratory tests.

Compendium of Peanut Diseases

Author : N. Kokalis-Burelle
Publisher : American Phytopathological Society
ISBN 13 :
Total Pages : 130 pages
Book Rating : 4.:/5 (89 download)

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Book Synopsis Compendium of Peanut Diseases by : N. Kokalis-Burelle

Download or read book Compendium of Peanut Diseases written by N. Kokalis-Burelle and published by American Phytopathological Society. This book was released on 1997 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt: Compendium of Peanut Diseases, Second Edition is a guide to the identification, diagnosis, and control of peanut diseases and disorders. Bringing together color photographs and authoritative information in a single volume, this convenient compendium is a valuable resource for peanut growers and crop consultants around the world.This compendium has become a standard guidebook for the peanut industry. The contributors are an international group that includes 50 peanut experts from the United States, India, The Peoples Republic of China, Malawi, Australia, Israel, and South Africa. They offer advice on diseases and disorders found in each of the world's major peanut-growing regions.Detailed descriptions of 55 peanut diseases are the core of the book. Covering diseases caused by fungi, bacteria, nematodes, and viruses, these descriptions present detailed information on symptoms, causal organisms, disease cycle, control, host range, transmission, detection, and epidemiology. In addition to diseases, the compendium also describes peanut disorders caused by environmental stress, insects and arthropods, and parasitic flowering plants. Other sections of the compendium cover beneficial organisms, organisms with an undetermined relationship to peanuts, disease management strategies, genetic modification, and a listing of disease and insect resistant cultivars currently available for use by growers and breeders.

Viruses of Potatoes and Seed-potato Production

Author : J. A. de Bokx
Publisher :
ISBN 13 :
Total Pages : 284 pages
Book Rating : 4.3/5 (121 download)

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Book Synopsis Viruses of Potatoes and Seed-potato Production by : J. A. de Bokx

Download or read book Viruses of Potatoes and Seed-potato Production written by J. A. de Bokx and published by . This book was released on 1987 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt: Characterization and identification of potato viruses and viroids; Viruses, viroids, mycoplasmas and diseases with a virus-like; Viruses and potatoes.

The Various Contrivances by which Orchids are Fertilised by Insects

Author : Charles Darwin
Publisher :
ISBN 13 :
Total Pages : 336 pages
Book Rating : 4.A/5 ( download)

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Book Synopsis The Various Contrivances by which Orchids are Fertilised by Insects by : Charles Darwin

Download or read book The Various Contrivances by which Orchids are Fertilised by Insects written by Charles Darwin and published by . This book was released on 1886 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Pollination and Floral Ecology

Author : Pat Willmer
Publisher : Princeton University Press
ISBN 13 : 0691128618
Total Pages : 790 pages
Book Rating : 4.6/5 (911 download)

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Book Synopsis Pollination and Floral Ecology by : Pat Willmer

Download or read book Pollination and Floral Ecology written by Pat Willmer and published by Princeton University Press. This book was released on 2011-07-25 with total page 790 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pollination and Floral Ecology is a very comprehensive reference work to all aspects of pollination biology.

Ecology and Evolution of Flowers

Author : Lawrence D. Harder
Publisher : Oxford University Press, USA
ISBN 13 : 0198570856
Total Pages : 399 pages
Book Rating : 4.1/5 (985 download)

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Book Synopsis Ecology and Evolution of Flowers by : Lawrence D. Harder

Download or read book Ecology and Evolution of Flowers written by Lawrence D. Harder and published by Oxford University Press, USA. This book was released on 2006-11-30 with total page 399 pages. Available in PDF, EPUB and Kindle. Book excerpt: Floral biology, floral function, sexual systems, diversification.

Biology of Floral Scent

Author : Natalia Dudareva
Publisher : CRC Press
ISBN 13 : 1000611655
Total Pages : 275 pages
Book Rating : 4.0/5 (6 download)

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Book Synopsis Biology of Floral Scent by : Natalia Dudareva

Download or read book Biology of Floral Scent written by Natalia Dudareva and published by CRC Press. This book was released on 2006-03-27 with total page 275 pages. Available in PDF, EPUB and Kindle. Book excerpt: As with nearly all living creatures, humans have always been attracted and intrigued by floral scents. Yet, while we have been manufacturing perfumes for at least 5000 years to serve a myriad of religious, sexual, and medicinal purposes, until very recently, the limitation of our olfactory faculty has greatly hindered our capacity to clearly and ob

Rhizobiology: Molecular Physiology of Plant Roots

Author : Soumya Mukherjee
Publisher : Springer Nature
ISBN 13 : 3030849856
Total Pages : 499 pages
Book Rating : 4.0/5 (38 download)

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Book Synopsis Rhizobiology: Molecular Physiology of Plant Roots by : Soumya Mukherjee

Download or read book Rhizobiology: Molecular Physiology of Plant Roots written by Soumya Mukherjee and published by Springer Nature. This book was released on 2021-12-07 with total page 499 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book discusses the recent advancements in the role of various biomolecules in regulating root growth and development. Rhizobiology is a dynamic sub discipline of plant science which collates investigations from various aspects like physiology, biochemistry, genetic analysis and plant–microbe interactions. The physiology and molecular mechanisms of root development have undergone significant advancements in the last couple of decades. Apart from the already known conventional phytohormones (IAA, GA, cytokinin, ethylene and ABA), certain novel biomolecules have been considered as potential growth regulators or hormones regulating plant growth and development. Root phenotyping and plasticity analysis with respect to the specific functional mutants of each biomolecule shall provide substantial information on the molecular pathways of root signaling. Special emphasis provides insights on the tolerance and modulatory mechanisms of root physiology in response to light burst, ROS generation, agravitrophic response, abiotic stress and biotic interactions. Root Apex Cognition: From Neuronal Molecules to Root-Fungal Networks and Suberin in Monocotyledonous Crop Plants: Structure and Function in Response to Abiotic Stresses” are available open access under a Creative Commons Attribution 4.0 International License via link.springer.com. Chapters “Root Apex Cognition: From Neuronal Molecules to Root-Fungal Networks and Suberin in Monocotyledonous Crop Plants: Structure and Function in Response to Abiotic Stresses” are available open access under a Creative Commons Attribution 4.0 International License via link.springer.com.

The Different Forms of Flowers on Plants of the Same Species

Author : Charles Darwin
Publisher :
ISBN 13 :
Total Pages : 380 pages
Book Rating : 4.M/5 ( download)

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Book Synopsis The Different Forms of Flowers on Plants of the Same Species by : Charles Darwin

Download or read book The Different Forms of Flowers on Plants of the Same Species written by Charles Darwin and published by . This book was released on 1893 with total page 380 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Role of Scent Glands in Pollination

Author : Stephan Vogel
Publisher : Routledge
ISBN 13 :
Total Pages : 224 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis The Role of Scent Glands in Pollination by : Stephan Vogel

Download or read book The Role of Scent Glands in Pollination written by Stephan Vogel and published by Routledge. This book was released on 1990-12-31 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt: This text approaches floral odour analysis using thin layer chromatography. It includes illustrations of flora morphology and anatomy.

Das Entdeckte Geheimnis Der Natur Im Bau Und In Der Befruchtung Der Blumen

Author : Sprengel Christian Konrad
Publisher : Legare Street Press
ISBN 13 : 9781017055672
Total Pages : 0 pages
Book Rating : 4.0/5 (556 download)

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Book Synopsis Das Entdeckte Geheimnis Der Natur Im Bau Und In Der Befruchtung Der Blumen by : Sprengel Christian Konrad

Download or read book Das Entdeckte Geheimnis Der Natur Im Bau Und In Der Befruchtung Der Blumen written by Sprengel Christian Konrad and published by Legare Street Press. This book was released on 2022-10-27 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.

Sexual Plant Reproduction

Author : Mauro Cresti
Publisher : Springer Science & Business Media
ISBN 13 : 3642776779
Total Pages : 241 pages
Book Rating : 4.6/5 (427 download)

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Book Synopsis Sexual Plant Reproduction by : Mauro Cresti

Download or read book Sexual Plant Reproduction written by Mauro Cresti and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 241 pages. Available in PDF, EPUB and Kindle. Book excerpt: In recent years there has been a growing awareness of the importance of reproductive biology to crop production and there has been a tremendous increase in research on reproductive structures of higher plants. Presented here is a wide information of different aspects of micro- and macrosporogenesis, pollen-stigma interaction and recognition, pollen tube growth, cytoskeleton, in vitro and in vivo gamete fusion, and incompatibility. The most advanced techniques employed in studies on reproductive biology of higher plants are described in detail.