1Division of Genetics, Indian Agricultural Research Institute, New Delhi-110 012.
2Rice Research Station, CCS Agricultural University, Hisar-125 004 (Haryana).
3Indian Agricultural Research Institute, Regional Research Station, Karnal-132 001 (Haryana)
4National Research Centre for Plant Biotechnology, Indian Agricultural Research Institute, New Delhi-110 012.
* Communicated by Dr AK Singh, Member Secretary, Plant Germplasm Registration Committee.