To evolve suitable saline and alkaline resistant rice strains for southern districts of Tamil Nadu, hybridization was done between susceptible high yielders and resis- tant donor parents. Crossed seeds obtained were sown in the nursery beds along with their respective parents. Metric traits were recorded and studied in randomly selected 20 hybrids Heterosis, heterobeltiosis and standard heterosis were computed. Among the 15 cross combinations studied, four cross combinations viz.. TKM 6 (M) x Cul. 7583, TKM 6 (M) x Cul. 7609, IR 26 x Dasal and IR 29 x Cul. 7609 expressed high vigour and yield potential.
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SECRETARY
Madras
Agricultural Students Union
Tamil Nadu Agricultural University
Coimbatore - 641 003
Tamil Nadu, India.
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EDITOR-IN-CHIEF
Madras Agricultural Journal (MAJ)
Madras
Agricultural Students Union
Tamil Nadu Agricultural University
Coimbatore - 641 003
Tamil Nadu, India.
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