Studies on Variability, Character Association, Combining Ability and Heterosis in Diallel Crosses of Desi Cotton(Gossy P PDF Download
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Author: Yaseen Ali Khan
Publisher:
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Category :
Languages : en
Pages :
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Author: Yaseen Ali Khan
Publisher:
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Category :
Languages : en
Pages :
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Author: P. Sreenivasa Rao
Publisher:
ISBN:
Category :
Languages : en
Pages : 77
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Author: E. B. Snyder
Publisher:
ISBN:
Category : Breeding
Languages : en
Pages : 16
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It is shown how general combining ability values (GCA's) from cross-, open-, and self-pollinated progeny can be derived in a single analysis. Breeding values are employed to facilitate explaining genetic models of the expected family means and the derivation of the GCA's. A FORTRAN computer program also includes computation of specific combining ability values and several options.
Author: N. N. Vande
Publisher:
ISBN:
Category :
Languages : en
Pages : 180
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Author: M. Ragiba
Publisher:
ISBN:
Category :
Languages : en
Pages : 140
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Author: Hiran Kumar P.
Publisher:
ISBN:
Category :
Languages : en
Pages : 218
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Author: Khashea Mahmood Al-Rawi
Publisher:
ISBN:
Category :
Languages : en
Pages : 190
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Author: Dilruba Majumder
Publisher: LAP Lambert Academic Publishing
ISBN: 9783848431991
Category :
Languages : de
Pages : 176
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The experiment was carried out with genetic divergence of spring wheat and combining ability, heterosis and heritability for yield and yield contributing characters from a five parent- half diallel cross in F2 generation for genotypes of wheat. Genetic divergence was assessed through Mahalanobis' D2 -statistics and Principal Component Analysis (PCA). The genotypes were grouped into six clusters. The combining ability analysis studied in the diallel cross populations. General combining ability (GCA) and specific combining ability (SCA) mean squares in F2 generation was significant for all the characters. There was significant expression of non additive gene actions even in F2 generation, which indicates that epistatic components of non additive gene actions might have been involved. The crosses Sonora x Opata and SA-92 x Rawal had positive and significant SCA effects for grain yield. Maximum mid parent heterosis for grain yield was 39.97% in the cross Sonora x NK-5 which was much higher than mid parent heterosis for other yield contributing characters. Positive relation was observed between heterosis of the crosses with their corresponding SCA effects.
Author: Janet R. Broome
Publisher:
ISBN:
Category :
Languages : en
Pages : 216
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Author: Bhale Ram Mor
Publisher:
ISBN:
Category :
Languages : en
Pages :
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