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A new cytoplasmic nuclear male-sterility system derived from cultivated pigeonpea cytoplasm

Cytoplasmic male-sterility (CMS) in pigeonpea has been reported when some wild relatives of pigeonpea were crossed as the female parent with cultivated types as the male parent. In this paper we report a new source of CMS developed by using the cultivated pigeonpea as the female parent and one of it... Full description

Journal Title: Euphytica 2005, Vol.142(1), pp.143-148
Main Author: Mallikarjuna, Nalini
Other Authors: Saxena, K.
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 0014-2336 ; E-ISSN: 1573-5060 ; DOI: 10.1007/s10681-005-1199-x
Link: http://dx.doi.org/10.1007/s10681-005-1199-x
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recordid: springer_jour10.1007/s10681-005-1199-x
title: A new cytoplasmic nuclear male-sterility system derived from cultivated pigeonpea cytoplasm
format: Article
creator:
  • Mallikarjuna, Nalini
  • Saxena, K.
subjects:
  • pigeonpea
  • Cajanus acutifolius
  • cytoplasmic male-sterility
  • tetrads
  • restorers
  • maintainers
ispartof: Euphytica, 2005, Vol.142(1), pp.143-148
description: Cytoplasmic male-sterility (CMS) in pigeonpea has been reported when some wild relatives of pigeonpea were crossed as the female parent with cultivated types as the male parent. In this paper we report a new source of CMS developed by using the cultivated pigeonpea as the female parent and one of its wild relative Cajanus acutifolius as the pollen donor. This is the first report in pigeonpea where CMS has been developed using the cytoplasm of cultivated pigeonpea. Several pure line cultivars of pigeonpea restored pollen fertility whereas cv. HPL 24 partially maintained male-sterility. The wild species C. acutifolius used as one of the parents, maintained complete sterility. Cytological analysis revealed that both in male-sterile as well as the fertile floral buds, meiosis proceeded normally till the tetrad stage. However in the male-sterile genotypes during the formation of tetrads, the pollen mother cell (PMC) wall did not dissolve to release the tetrads unlike in the fertile genotypes and this major event was found to be responsible for male-sterility.
language: eng
source:
identifier: ISSN: 0014-2336 ; E-ISSN: 1573-5060 ; DOI: 10.1007/s10681-005-1199-x
fulltext: fulltext
issn:
  • 1573-5060
  • 15735060
  • 0014-2336
  • 00142336
url: Link


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titleA new cytoplasmic nuclear male-sterility system derived from cultivated pigeonpea cytoplasm
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subjectpigeonpea ; Cajanus acutifolius ; cytoplasmic male-sterility ; tetrads ; restorers ; maintainers
descriptionCytoplasmic male-sterility (CMS) in pigeonpea has been reported when some wild relatives of pigeonpea were crossed as the female parent with cultivated types as the male parent. In this paper we report a new source of CMS developed by using the cultivated pigeonpea as the female parent and one of its wild relative Cajanus acutifolius as the pollen donor. This is the first report in pigeonpea where CMS has been developed using the cytoplasm of cultivated pigeonpea. Several pure line cultivars of pigeonpea restored pollen fertility whereas cv. HPL 24 partially maintained male-sterility. The wild species C. acutifolius used as one of the parents, maintained complete sterility. Cytological analysis revealed that both in male-sterile as well as the fertile floral buds, meiosis proceeded normally till the tetrad stage. However in the male-sterile genotypes during the formation of tetrads, the pollen mother cell (PMC) wall did not dissolve to release the tetrads unlike in the fertile genotypes and this major event was found to be responsible for male-sterility.
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abstractCytoplasmic male-sterility (CMS) in pigeonpea has been reported when some wild relatives of pigeonpea were crossed as the female parent with cultivated types as the male parent. In this paper we report a new source of CMS developed by using the cultivated pigeonpea as the female parent and one of its wild relative Cajanus acutifolius as the pollen donor. This is the first report in pigeonpea where CMS has been developed using the cytoplasm of cultivated pigeonpea. Several pure line cultivars of pigeonpea restored pollen fertility whereas cv. HPL 24 partially maintained male-sterility. The wild species C. acutifolius used as one of the parents, maintained complete sterility. Cytological analysis revealed that both in male-sterile as well as the fertile floral buds, meiosis proceeded normally till the tetrad stage. However in the male-sterile genotypes during the formation of tetrads, the pollen mother cell (PMC) wall did not dissolve to release the tetrads unlike in the fertile genotypes and this major event was found to be responsible for male-sterility.
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pages143-148
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