Combining ability for foliar diseases, insect-pests and quality in forage sorghum (Sorghum bicolor)

Combining ability analysis was carried out following Line × Tester analysis for green fodder yield, stem girth, ºBrix, important foliar diseases, shoot fly and stem borer in nine male sterile lines, four testers and their thirty six hybrids in forage sorghum [Sorghum bicolor (L.) Moench.]. Highly s...

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Main Authors: RAJESH YADAV, S K PAHUJA
Format: Article
Language:English
Published: Indian Council of Agricultural Research 2014-02-01
Series:The Indian Journal of Agricultural Sciences
Subjects:
Online Access:https://epubs.icar.org.in/index.php/IJAgS/article/view/38050
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author RAJESH YADAV
S K PAHUJA
author_facet RAJESH YADAV
S K PAHUJA
author_sort RAJESH YADAV
collection DOAJ
description Combining ability analysis was carried out following Line × Tester analysis for green fodder yield, stem girth, ºBrix, important foliar diseases, shoot fly and stem borer in nine male sterile lines, four testers and their thirty six hybrids in forage sorghum [Sorghum bicolor (L.) Moench.]. Highly significant variances for lines as well as testers were observed indicating presence of wide range of genetic variation among the lines and testers for most of the traits. Variance due to Lines × Testers interaction was also found highly significant for all the characters studied except sooty stripe disease. The estimates of sca variances were higher than those of gca for all the characters suggesting predominance of non-additive gene action in all the traits studied. Among the lines ICSA 725 and ICSA 467 were found to be the best combiners whereas among the testers G 203 and SDSL 92113 were found to be superior when yield and resistance to diseases and insect were considered together. Among the hybrids, 95A × SSG 59-3, 296A × SSG 59-3, 467A × SSG 59-3, 467A × SDSL 92113 and 725A × SSG 59-3 were having better sca effects for yield and resistance traits.
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spelling doaj.art-bd979d8bc8cd48ebb743fd1cde6ebea82023-09-29T04:46:51ZengIndian Council of Agricultural ResearchThe Indian Journal of Agricultural Sciences0019-50222394-33192014-02-0184210.56093/ijas.v84i2.38050Combining ability for foliar diseases, insect-pests and quality in forage sorghum (Sorghum bicolor)RAJESH YADAV0S K PAHUJA1CCS Haryana Agricultural University, Hisar, Haryana 125 004, IndiaCCS Haryana Agricultural University, Hisar, Haryana 125 004, India Combining ability analysis was carried out following Line × Tester analysis for green fodder yield, stem girth, ºBrix, important foliar diseases, shoot fly and stem borer in nine male sterile lines, four testers and their thirty six hybrids in forage sorghum [Sorghum bicolor (L.) Moench.]. Highly significant variances for lines as well as testers were observed indicating presence of wide range of genetic variation among the lines and testers for most of the traits. Variance due to Lines × Testers interaction was also found highly significant for all the characters studied except sooty stripe disease. The estimates of sca variances were higher than those of gca for all the characters suggesting predominance of non-additive gene action in all the traits studied. Among the lines ICSA 725 and ICSA 467 were found to be the best combiners whereas among the testers G 203 and SDSL 92113 were found to be superior when yield and resistance to diseases and insect were considered together. Among the hybrids, 95A × SSG 59-3, 296A × SSG 59-3, 467A × SSG 59-3, 467A × SDSL 92113 and 725A × SSG 59-3 were having better sca effects for yield and resistance traits. https://epubs.icar.org.in/index.php/IJAgS/article/view/38050ºBrixCombining abilityForage sorghumGrey leaf spotShoot flySooty stripe
spellingShingle RAJESH YADAV
S K PAHUJA
Combining ability for foliar diseases, insect-pests and quality in forage sorghum (Sorghum bicolor)
The Indian Journal of Agricultural Sciences
ºBrix
Combining ability
Forage sorghum
Grey leaf spot
Shoot fly
Sooty stripe
title Combining ability for foliar diseases, insect-pests and quality in forage sorghum (Sorghum bicolor)
title_full Combining ability for foliar diseases, insect-pests and quality in forage sorghum (Sorghum bicolor)
title_fullStr Combining ability for foliar diseases, insect-pests and quality in forage sorghum (Sorghum bicolor)
title_full_unstemmed Combining ability for foliar diseases, insect-pests and quality in forage sorghum (Sorghum bicolor)
title_short Combining ability for foliar diseases, insect-pests and quality in forage sorghum (Sorghum bicolor)
title_sort combining ability for foliar diseases insect pests and quality in forage sorghum sorghum bicolor
topic ºBrix
Combining ability
Forage sorghum
Grey leaf spot
Shoot fly
Sooty stripe
url https://epubs.icar.org.in/index.php/IJAgS/article/view/38050
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