Development, inheritance and breeding potential of a recessive genic male sterile line D248A in Sesame (Sesamum indicum L.)
Abstract Genic male sterility (GMS) has great potential for heterosis exploitation in sesame (Sesamum indicum L.). Two spontaneous male-sterile plants were discovered in a Chinese sesame cultivar (Zhuzhi 4) in 2006. By consecutive sib mating with fertile plants from Zhuzhi 4, a new sterile line, D24...
Ausführliche Beschreibung
Autor*in: |
Liu, Hongyan [verfasserIn] Yang, Minmin [verfasserIn] Wu, Kun [verfasserIn] Zhou, Xinan [verfasserIn] Zhao, Yingzhong [verfasserIn] |
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E-Artikel |
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Sprache: |
Englisch |
Erschienen: |
2013 |
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Übergeordnetes Werk: |
Enthalten in: SpringerPlus - London : Biomed Central, 2012, 2(2013), 1 vom: 19. Juni |
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Übergeordnetes Werk: |
volume:2 ; year:2013 ; number:1 ; day:19 ; month:06 |
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DOI / URN: |
10.1186/2193-1801-2-268 |
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Katalog-ID: |
SPR032750056 |
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520 | |a Abstract Genic male sterility (GMS) has great potential for heterosis exploitation in sesame (Sesamum indicum L.). Two spontaneous male-sterile plants were discovered in a Chinese sesame cultivar (Zhuzhi 4) in 2006. By consecutive sib mating with fertile plants from Zhuzhi 4, a new sterile line, D248A, was developed. Anatomy studies showed that D248A has thin, small and greenish anthers on which there are no or little pollen grains. The pollens are irregularly shaped and completely aborted, resulting in no germination and no formation of pollen tubes as revealed by acetocarmine stain or semi-solid suspension culture. Furthermore, D248A has a better performance in growth vigor, bloom duration and yield per plant than the other GMS lines (i.e. 95 ms-2A and 95 ms-5A). To investigate the inheritance mode of fertility, D248A was crossed and backcrossed with six varieties, and a segregating ratio of 3:1 and 1:1 for fertile and sterile plants was observed in $ F_{2} $ and $ BC_{1} $ populations, respectively. These results suggested that D248A is controlled by a recessive GMS gene. The average yield of four D248A-derived $ F_{1} $ hybrids is as high as 1695 kg·$ ha^{-1} $, which is almost twice of that of 95 ms-5A-derived $ F_{1} $ hybrids. These results indicated that this newly developed recessive GMS line has great potential in sesame hybrid breeding. | ||
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10.1186/2193-1801-2-268 doi (DE-627)SPR032750056 (SPR)2193-1801-2-268-e DE-627 ger DE-627 rakwb eng 600 ASE Liu, Hongyan verfasserin aut Development, inheritance and breeding potential of a recessive genic male sterile line D248A in Sesame (Sesamum indicum L.) 2013 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Genic male sterility (GMS) has great potential for heterosis exploitation in sesame (Sesamum indicum L.). Two spontaneous male-sterile plants were discovered in a Chinese sesame cultivar (Zhuzhi 4) in 2006. By consecutive sib mating with fertile plants from Zhuzhi 4, a new sterile line, D248A, was developed. Anatomy studies showed that D248A has thin, small and greenish anthers on which there are no or little pollen grains. The pollens are irregularly shaped and completely aborted, resulting in no germination and no formation of pollen tubes as revealed by acetocarmine stain or semi-solid suspension culture. Furthermore, D248A has a better performance in growth vigor, bloom duration and yield per plant than the other GMS lines (i.e. 95 ms-2A and 95 ms-5A). To investigate the inheritance mode of fertility, D248A was crossed and backcrossed with six varieties, and a segregating ratio of 3:1 and 1:1 for fertile and sterile plants was observed in $ F_{2} $ and $ BC_{1} $ populations, respectively. These results suggested that D248A is controlled by a recessive GMS gene. The average yield of four D248A-derived $ F_{1} $ hybrids is as high as 1695 kg·$ ha^{-1} $, which is almost twice of that of 95 ms-5A-derived $ F_{1} $ hybrids. These results indicated that this newly developed recessive GMS line has great potential in sesame hybrid breeding. Sesame (dpeaa)DE-He213 Genic male sterility (dpeaa)DE-He213 Recessive (dpeaa)DE-He213 Hybrid breeding (dpeaa)DE-He213 Yang, Minmin verfasserin aut Wu, Kun verfasserin aut Zhou, Xinan verfasserin aut Zhao, Yingzhong verfasserin aut Enthalten in SpringerPlus London : Biomed Central, 2012 2(2013), 1 vom: 19. Juni (DE-627)718615298 (DE-600)2661116-8 2193-1801 nnns volume:2 year:2013 number:1 day:19 month:06 https://dx.doi.org/10.1186/2193-1801-2-268 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 2 2013 1 19 06 |
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10.1186/2193-1801-2-268 doi (DE-627)SPR032750056 (SPR)2193-1801-2-268-e DE-627 ger DE-627 rakwb eng 600 ASE Liu, Hongyan verfasserin aut Development, inheritance and breeding potential of a recessive genic male sterile line D248A in Sesame (Sesamum indicum L.) 2013 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Genic male sterility (GMS) has great potential for heterosis exploitation in sesame (Sesamum indicum L.). Two spontaneous male-sterile plants were discovered in a Chinese sesame cultivar (Zhuzhi 4) in 2006. By consecutive sib mating with fertile plants from Zhuzhi 4, a new sterile line, D248A, was developed. Anatomy studies showed that D248A has thin, small and greenish anthers on which there are no or little pollen grains. The pollens are irregularly shaped and completely aborted, resulting in no germination and no formation of pollen tubes as revealed by acetocarmine stain or semi-solid suspension culture. Furthermore, D248A has a better performance in growth vigor, bloom duration and yield per plant than the other GMS lines (i.e. 95 ms-2A and 95 ms-5A). To investigate the inheritance mode of fertility, D248A was crossed and backcrossed with six varieties, and a segregating ratio of 3:1 and 1:1 for fertile and sterile plants was observed in $ F_{2} $ and $ BC_{1} $ populations, respectively. These results suggested that D248A is controlled by a recessive GMS gene. The average yield of four D248A-derived $ F_{1} $ hybrids is as high as 1695 kg·$ ha^{-1} $, which is almost twice of that of 95 ms-5A-derived $ F_{1} $ hybrids. These results indicated that this newly developed recessive GMS line has great potential in sesame hybrid breeding. Sesame (dpeaa)DE-He213 Genic male sterility (dpeaa)DE-He213 Recessive (dpeaa)DE-He213 Hybrid breeding (dpeaa)DE-He213 Yang, Minmin verfasserin aut Wu, Kun verfasserin aut Zhou, Xinan verfasserin aut Zhao, Yingzhong verfasserin aut Enthalten in SpringerPlus London : Biomed Central, 2012 2(2013), 1 vom: 19. Juni (DE-627)718615298 (DE-600)2661116-8 2193-1801 nnns volume:2 year:2013 number:1 day:19 month:06 https://dx.doi.org/10.1186/2193-1801-2-268 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 2 2013 1 19 06 |
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10.1186/2193-1801-2-268 doi (DE-627)SPR032750056 (SPR)2193-1801-2-268-e DE-627 ger DE-627 rakwb eng 600 ASE Liu, Hongyan verfasserin aut Development, inheritance and breeding potential of a recessive genic male sterile line D248A in Sesame (Sesamum indicum L.) 2013 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Genic male sterility (GMS) has great potential for heterosis exploitation in sesame (Sesamum indicum L.). Two spontaneous male-sterile plants were discovered in a Chinese sesame cultivar (Zhuzhi 4) in 2006. By consecutive sib mating with fertile plants from Zhuzhi 4, a new sterile line, D248A, was developed. Anatomy studies showed that D248A has thin, small and greenish anthers on which there are no or little pollen grains. The pollens are irregularly shaped and completely aborted, resulting in no germination and no formation of pollen tubes as revealed by acetocarmine stain or semi-solid suspension culture. Furthermore, D248A has a better performance in growth vigor, bloom duration and yield per plant than the other GMS lines (i.e. 95 ms-2A and 95 ms-5A). To investigate the inheritance mode of fertility, D248A was crossed and backcrossed with six varieties, and a segregating ratio of 3:1 and 1:1 for fertile and sterile plants was observed in $ F_{2} $ and $ BC_{1} $ populations, respectively. These results suggested that D248A is controlled by a recessive GMS gene. The average yield of four D248A-derived $ F_{1} $ hybrids is as high as 1695 kg·$ ha^{-1} $, which is almost twice of that of 95 ms-5A-derived $ F_{1} $ hybrids. These results indicated that this newly developed recessive GMS line has great potential in sesame hybrid breeding. Sesame (dpeaa)DE-He213 Genic male sterility (dpeaa)DE-He213 Recessive (dpeaa)DE-He213 Hybrid breeding (dpeaa)DE-He213 Yang, Minmin verfasserin aut Wu, Kun verfasserin aut Zhou, Xinan verfasserin aut Zhao, Yingzhong verfasserin aut Enthalten in SpringerPlus London : Biomed Central, 2012 2(2013), 1 vom: 19. Juni (DE-627)718615298 (DE-600)2661116-8 2193-1801 nnns volume:2 year:2013 number:1 day:19 month:06 https://dx.doi.org/10.1186/2193-1801-2-268 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 2 2013 1 19 06 |
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10.1186/2193-1801-2-268 doi (DE-627)SPR032750056 (SPR)2193-1801-2-268-e DE-627 ger DE-627 rakwb eng 600 ASE Liu, Hongyan verfasserin aut Development, inheritance and breeding potential of a recessive genic male sterile line D248A in Sesame (Sesamum indicum L.) 2013 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Genic male sterility (GMS) has great potential for heterosis exploitation in sesame (Sesamum indicum L.). Two spontaneous male-sterile plants were discovered in a Chinese sesame cultivar (Zhuzhi 4) in 2006. By consecutive sib mating with fertile plants from Zhuzhi 4, a new sterile line, D248A, was developed. Anatomy studies showed that D248A has thin, small and greenish anthers on which there are no or little pollen grains. The pollens are irregularly shaped and completely aborted, resulting in no germination and no formation of pollen tubes as revealed by acetocarmine stain or semi-solid suspension culture. Furthermore, D248A has a better performance in growth vigor, bloom duration and yield per plant than the other GMS lines (i.e. 95 ms-2A and 95 ms-5A). To investigate the inheritance mode of fertility, D248A was crossed and backcrossed with six varieties, and a segregating ratio of 3:1 and 1:1 for fertile and sterile plants was observed in $ F_{2} $ and $ BC_{1} $ populations, respectively. These results suggested that D248A is controlled by a recessive GMS gene. The average yield of four D248A-derived $ F_{1} $ hybrids is as high as 1695 kg·$ ha^{-1} $, which is almost twice of that of 95 ms-5A-derived $ F_{1} $ hybrids. These results indicated that this newly developed recessive GMS line has great potential in sesame hybrid breeding. Sesame (dpeaa)DE-He213 Genic male sterility (dpeaa)DE-He213 Recessive (dpeaa)DE-He213 Hybrid breeding (dpeaa)DE-He213 Yang, Minmin verfasserin aut Wu, Kun verfasserin aut Zhou, Xinan verfasserin aut Zhao, Yingzhong verfasserin aut Enthalten in SpringerPlus London : Biomed Central, 2012 2(2013), 1 vom: 19. Juni (DE-627)718615298 (DE-600)2661116-8 2193-1801 nnns volume:2 year:2013 number:1 day:19 month:06 https://dx.doi.org/10.1186/2193-1801-2-268 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 2 2013 1 19 06 |
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10.1186/2193-1801-2-268 doi (DE-627)SPR032750056 (SPR)2193-1801-2-268-e DE-627 ger DE-627 rakwb eng 600 ASE Liu, Hongyan verfasserin aut Development, inheritance and breeding potential of a recessive genic male sterile line D248A in Sesame (Sesamum indicum L.) 2013 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Genic male sterility (GMS) has great potential for heterosis exploitation in sesame (Sesamum indicum L.). Two spontaneous male-sterile plants were discovered in a Chinese sesame cultivar (Zhuzhi 4) in 2006. By consecutive sib mating with fertile plants from Zhuzhi 4, a new sterile line, D248A, was developed. Anatomy studies showed that D248A has thin, small and greenish anthers on which there are no or little pollen grains. The pollens are irregularly shaped and completely aborted, resulting in no germination and no formation of pollen tubes as revealed by acetocarmine stain or semi-solid suspension culture. Furthermore, D248A has a better performance in growth vigor, bloom duration and yield per plant than the other GMS lines (i.e. 95 ms-2A and 95 ms-5A). To investigate the inheritance mode of fertility, D248A was crossed and backcrossed with six varieties, and a segregating ratio of 3:1 and 1:1 for fertile and sterile plants was observed in $ F_{2} $ and $ BC_{1} $ populations, respectively. These results suggested that D248A is controlled by a recessive GMS gene. The average yield of four D248A-derived $ F_{1} $ hybrids is as high as 1695 kg·$ ha^{-1} $, which is almost twice of that of 95 ms-5A-derived $ F_{1} $ hybrids. These results indicated that this newly developed recessive GMS line has great potential in sesame hybrid breeding. Sesame (dpeaa)DE-He213 Genic male sterility (dpeaa)DE-He213 Recessive (dpeaa)DE-He213 Hybrid breeding (dpeaa)DE-He213 Yang, Minmin verfasserin aut Wu, Kun verfasserin aut Zhou, Xinan verfasserin aut Zhao, Yingzhong verfasserin aut Enthalten in SpringerPlus London : Biomed Central, 2012 2(2013), 1 vom: 19. Juni (DE-627)718615298 (DE-600)2661116-8 2193-1801 nnns volume:2 year:2013 number:1 day:19 month:06 https://dx.doi.org/10.1186/2193-1801-2-268 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 2 2013 1 19 06 |
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The average yield of four D248A-derived $ F_{1} $ hybrids is as high as 1695 kg·$ ha^{-1} $, which is almost twice of that of 95 ms-5A-derived $ F_{1} $ hybrids. 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Liu, Hongyan |
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600 ASE Development, inheritance and breeding potential of a recessive genic male sterile line D248A in Sesame (Sesamum indicum L.) Sesame (dpeaa)DE-He213 Genic male sterility (dpeaa)DE-He213 Recessive (dpeaa)DE-He213 Hybrid breeding (dpeaa)DE-He213 |
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development, inheritance and breeding potential of a recessive genic male sterile line d248a in sesame (sesamum indicum l.) |
title_auth |
Development, inheritance and breeding potential of a recessive genic male sterile line D248A in Sesame (Sesamum indicum L.) |
abstract |
Abstract Genic male sterility (GMS) has great potential for heterosis exploitation in sesame (Sesamum indicum L.). Two spontaneous male-sterile plants were discovered in a Chinese sesame cultivar (Zhuzhi 4) in 2006. By consecutive sib mating with fertile plants from Zhuzhi 4, a new sterile line, D248A, was developed. Anatomy studies showed that D248A has thin, small and greenish anthers on which there are no or little pollen grains. The pollens are irregularly shaped and completely aborted, resulting in no germination and no formation of pollen tubes as revealed by acetocarmine stain or semi-solid suspension culture. Furthermore, D248A has a better performance in growth vigor, bloom duration and yield per plant than the other GMS lines (i.e. 95 ms-2A and 95 ms-5A). To investigate the inheritance mode of fertility, D248A was crossed and backcrossed with six varieties, and a segregating ratio of 3:1 and 1:1 for fertile and sterile plants was observed in $ F_{2} $ and $ BC_{1} $ populations, respectively. These results suggested that D248A is controlled by a recessive GMS gene. The average yield of four D248A-derived $ F_{1} $ hybrids is as high as 1695 kg·$ ha^{-1} $, which is almost twice of that of 95 ms-5A-derived $ F_{1} $ hybrids. These results indicated that this newly developed recessive GMS line has great potential in sesame hybrid breeding. |
abstractGer |
Abstract Genic male sterility (GMS) has great potential for heterosis exploitation in sesame (Sesamum indicum L.). Two spontaneous male-sterile plants were discovered in a Chinese sesame cultivar (Zhuzhi 4) in 2006. By consecutive sib mating with fertile plants from Zhuzhi 4, a new sterile line, D248A, was developed. Anatomy studies showed that D248A has thin, small and greenish anthers on which there are no or little pollen grains. The pollens are irregularly shaped and completely aborted, resulting in no germination and no formation of pollen tubes as revealed by acetocarmine stain or semi-solid suspension culture. Furthermore, D248A has a better performance in growth vigor, bloom duration and yield per plant than the other GMS lines (i.e. 95 ms-2A and 95 ms-5A). To investigate the inheritance mode of fertility, D248A was crossed and backcrossed with six varieties, and a segregating ratio of 3:1 and 1:1 for fertile and sterile plants was observed in $ F_{2} $ and $ BC_{1} $ populations, respectively. These results suggested that D248A is controlled by a recessive GMS gene. The average yield of four D248A-derived $ F_{1} $ hybrids is as high as 1695 kg·$ ha^{-1} $, which is almost twice of that of 95 ms-5A-derived $ F_{1} $ hybrids. These results indicated that this newly developed recessive GMS line has great potential in sesame hybrid breeding. |
abstract_unstemmed |
Abstract Genic male sterility (GMS) has great potential for heterosis exploitation in sesame (Sesamum indicum L.). Two spontaneous male-sterile plants were discovered in a Chinese sesame cultivar (Zhuzhi 4) in 2006. By consecutive sib mating with fertile plants from Zhuzhi 4, a new sterile line, D248A, was developed. Anatomy studies showed that D248A has thin, small and greenish anthers on which there are no or little pollen grains. The pollens are irregularly shaped and completely aborted, resulting in no germination and no formation of pollen tubes as revealed by acetocarmine stain or semi-solid suspension culture. Furthermore, D248A has a better performance in growth vigor, bloom duration and yield per plant than the other GMS lines (i.e. 95 ms-2A and 95 ms-5A). To investigate the inheritance mode of fertility, D248A was crossed and backcrossed with six varieties, and a segregating ratio of 3:1 and 1:1 for fertile and sterile plants was observed in $ F_{2} $ and $ BC_{1} $ populations, respectively. These results suggested that D248A is controlled by a recessive GMS gene. The average yield of four D248A-derived $ F_{1} $ hybrids is as high as 1695 kg·$ ha^{-1} $, which is almost twice of that of 95 ms-5A-derived $ F_{1} $ hybrids. These results indicated that this newly developed recessive GMS line has great potential in sesame hybrid breeding. |
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Development, inheritance and breeding potential of a recessive genic male sterile line D248A in Sesame (Sesamum indicum L.) |
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The average yield of four D248A-derived $ F_{1} $ hybrids is as high as 1695 kg·$ ha^{-1} $, which is almost twice of that of 95 ms-5A-derived $ F_{1} $ hybrids. 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