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Breeding studies on maize tolerance to low nitrogen fertilization: Breeding studies on maize tolerance to low nitrogen fertilization - Softcover
Synopsis
This study was meant to provide genetic information about selection among maize hybrids for NUE, and to evaluate the role of combining ability of inbred lines in hybrid performance under N- limited conditions.Results showed that:1)High tolerance and high response(HH),hybrids 7-5x12-3 and 7-5x145-1. 2)High tolerance and low response(HL), hybrids 100x224 and 421-2xSC-10. 3)Low tolerance and high response(LH), hybrids 32-3x308 and 308x290-3- 2.4)Low tolerance and low response(LL), hybrids 100x158 and 100x421-2. NUE at low N was significantly correlated with yield at high N. Grain yield was positively significantly correlated with chlorophyll concentration, ear diameter, biomass yield, kernel number/plant. Most of studied traits of hybrids showed larger heritability under low N than under high N. Direct selection for grain yield at low N was likely to be more efficient than indirect selection for grain yield at high N for improving grain yields under low N. Both GCA and SCA are equally important for genetic variability in performance of mean yield over N levels, but for grain yield and NUE at high N, GCA plays a greater role than SCA.
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About the Author
Dr. Maamoun,Abdel-Moneam is a lecturer (i.e. Assoc. Prof.) in Agron. Dept. Fac. of Agric. Mansoura Univ., Egypt. He is an expert in statistical analysis and teaching many agronomy courses. He is current research interest in breeding field crops for tolerance to environmental stresses such as, N-stress, drought stress and salinity stress.
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Breeding studies on maize tolerance to low nitrogen fertilization
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LAP LAMBERT Academic Publishing Jul 2010, 2010
ISBN 10: 3838378512
ISBN 13: 9783838378510
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Seller: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, Germany
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Taschenbuch. Condition: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -This study was meant to provide genetic information about selection among maize hybrids for NUE, and to evaluate the role of combining ability of inbred lines in hybrid performance under N- limited conditions.Results showed that:1)High tolerance and high response(HH),hybrids 7-5x12-3 and 7-5x145-1. 2)High tolerance and low response(HL), hybrids 100x224 and 421-2xSC-10. 3)Low tolerance and high response(LH), hybrids 32-3x308 and 308x290-3- 2.4)Low tolerance and low response(LL), hybrids 100x158 and 100x421-2. NUE at low N was significantly correlated with yield at high N. Grain yield was positively significantly correlated with chlorophyll concentration, ear diameter, biomass yield, kernel number/plant. Most of studied traits of hybrids showed larger heritability under low N than under high N. Direct selection for grain yield at low N was likely to be more efficient than indirect selection for grain yield at high N for improving grain yields under low N. Both GCA and SCA are equally important for genetic variability in performance of mean yield over N levels, but for grain yield and NUE at high N, GCA plays a greater role than SCA. 104 pp. Englisch. Seller Inventory # 9783838378510
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Breeding studies on maize tolerance to low nitrogen fertilization
Published by
LAP LAMBERT Academic Publishing, 2010
ISBN 10: 3838378512
ISBN 13: 9783838378510
New
Softcover
Seller: moluna, Greven, Germany
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Condition: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Autor/Autorin: Elmoselhy MaamounDr. Maamoun,Abdel-Moneam is a lecturer (i.e. Assoc. Prof.) in Agron. Dept. Fac. of Agric. Mansoura Univ., Egypt. He is an expert in statistical analysis and teaching many agronomy courses. He is current research i. Seller Inventory # 5418136
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Breeding studies on maize tolerance to low nitrogen fertilization
Published by
LAP LAMBERT Academic Publishing Jul 2010, 2010
ISBN 10: 3838378512
ISBN 13: 9783838378510
New
Taschenbuch
Seller: buchversandmimpf2000, Emtmannsberg, BAYE, Germany
Seller rating 5 out of 5 stars
Taschenbuch. Condition: Neu. Neuware -This study was meant to provide genetic information about selection among maize hybrids for NUE, and to evaluate the role of combining ability of inbred lines in hybrid performance under N- limited conditions.Results showed that:1)High tolerance and high response(HH),hybrids 7-5x12-3 and 7-5x145-1. 2)High tolerance and low response(HL), hybrids 100x224 and 421-2xSC-10. 3)Low tolerance and high response(LH), hybrids 32-3x308 and 308x290-3- 2.4)Low tolerance and low response(LL), hybrids 100x158 and 100x421-2. NUE at low N was significantly correlated with yield at high N. Grain yield was positively significantly correlated with chlorophyll concentration, ear diameter, biomass yield, kernel number/plant. Most of studied traits of hybrids showed larger heritability under low N than under high N. Direct selection for grain yield at low N was likely to be more efficient than indirect selection for grain yield at high N for improving grain yields under low N. Both GCA and SCA are equally important for genetic variability in performance of mean yield over N levels, but for grain yield and NUE at high N, GCA plays a greater role than SCA.Books on Demand GmbH, Überseering 33, 22297 Hamburg 104 pp. Englisch. Seller Inventory # 9783838378510
Quantity: 2 available
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Breeding studies on maize tolerance to low nitrogen fertilization : Breeding studies on maize tolerance to low nitrogen fertilization
Published by
LAP LAMBERT Academic Publishing, 2010
ISBN 10: 3838378512
ISBN 13: 9783838378510
New
Taschenbuch
Seller: AHA-BUCH GmbH, Einbeck, Germany
Seller rating 5 out of 5 stars
Taschenbuch. Condition: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - This study was meant to provide genetic information about selection among maize hybrids for NUE, and to evaluate the role of combining ability of inbred lines in hybrid performance under N- limited conditions.Results showed that:1)High tolerance and high response(HH),hybrids 7-5x12-3 and 7-5x145-1. 2)High tolerance and low response(HL), hybrids 100x224 and 421-2xSC-10. 3)Low tolerance and high response(LH), hybrids 32-3x308 and 308x290-3- 2.4)Low tolerance and low response(LL), hybrids 100x158 and 100x421-2. NUE at low N was significantly correlated with yield at high N. Grain yield was positively significantly correlated with chlorophyll concentration, ear diameter, biomass yield, kernel number/plant. Most of studied traits of hybrids showed larger heritability under low N than under high N. Direct selection for grain yield at low N was likely to be more efficient than indirect selection for grain yield at high N for improving grain yields under low N. Both GCA and SCA are equally important for genetic variability in performance of mean yield over N levels, but for grain yield and NUE at high N, GCA plays a greater role than SCA. Seller Inventory # 9783838378510
Quantity: 1 available