2011•DOAJ (DOAJ: Directory of Open Access Journals)Open access
New male sterile lines in sunflower.
N. Manivannan, T. Anandan, R. Chandirakala, P. Vindhiyavarman, V. Muralidharan, Kulandaivelu Ganesamurthy
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Abstract
Two sunflower inbreds viz., TNHSF 239 and 852 B were selected for high oil content and vigour respectively. These inbreds were convertedinto cytoplasmic genic male sterile (cms) lines using two cms lines viz., 17 A and 234 A (PET 1 source of cytoplasm). A total of 30 cms lineswere developed through back cross. These newly converted cms lines were tested for their heterotic potential for oil yield, seed yield, oil contentand other yield components. Among these converted cms lines, four lines performed superior for oil yield and its component traits. These cmslines were designated as COSF 2A, 3A, 4A and COSF 5 A and recommended for utilization in heterosis breeding programme.