Journal
PLANT BREEDING
Volume 134, Issue 3, Pages 333-337Publisher
WILEY-BLACKWELL
DOI: 10.1111/pbr.12267
Keywords
CMS line; cytoplasmic influence; germination; seed storability; seed vigour
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Effect of cyto-sterility sources on morphology and yield attributes in F-1 has well been studied in different crops, but not on the seed quality of hybrid. Six cytoplasmic male sterile (CMS) lines, viz. Ogura, Siifolia, Erucoides, Moricandia, Tournefortii and Oxyrrhina, which represent six different sources of CMS, were pollinated by a single maintainer line ('Pusa Bold') to check whether CMS sources have any marked effect on seed quality. Seeds were collected in 2007-2008 (rabi season: October-April) from CMS maintenance plot and kept in ambient storage for next 3 years. The results indicated that CMS/cyto-sterility sources influenced the seed quality parameters in fresh seed as well as after storage. Per cent germination (as means over the storage period) was recorded up to 89.00, 88.25 and 87.88 in Moricandia, Ogura and Oxyrrhina systems, respectively, and it was significantly different from Tournefortii and 'Pusa Bold' (70.13 and 74.38, respectively). The CMS sources also had pronounced effect on other seed quality traits, viz. root and shoot length and seedling dry matter, and Ogura and Moricandia (green) performed better.
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