Table 3.

The salient features of parents used to study the expression in nine F₂ populations.

S. No.	Parent 1	Salient features	Parent 2	Salient features
1	HD3086	A hollow stem high yielding variety released in 2014 for cultivation in the northwestern plain zone of India for timely sown and irrigated conditions.	HD2189	A hollow stem variety released in 1980 for cultivation in the peninsular zone of India for timely sown and irrigated conditions.
2			HD2987	A hollow stem variety released in 2011for the Peninsular Zone of India for restricted irrigated conditions.
3	HD2967)	A high yielding mega variety released in 2010 for cultivation in the northwestern plain zone (NWPZ) of India for timely sown and irrigated conditions. It has a hollow stem.	RAJ4422	An improved genetic resource having hollow stem taken from the coordinated trials
4	WH1105	A high yielding variety having a hollow stem released in 2013 for cultivation in the northwestern plain zone of India for timely sown and irrigated conditions.	HD2329	A very popular and mega variety of NWPZ. Released in 1985 for irrigated and timely sown conditions having solidness up to three internodes.
5	DPW621–50	A high yielding variety released in 2011 for cultivation in NWPZ for timely sown and irrigated conditions.
6	PBW373	A hollow stem variety released in 1997 for cultivation in NWPZ of India for late sown and irrigated conditions.
7	HD2932	A high yielding variety released in 1997 for cultivation in the central zone for timely sown and irrigated conditions.	HUW666	Improved genetic resource taken from the coordinated trials
8	PBW725	A hollow stem variety released in 2016 for cultivation in Punjab state.	PBW707	An improved genetic resource taken from the coordinated trials
9	K1301	An improved genetic resource taken from the coordinated trials	HD2851/Yr10	An improved genetic stock in the background of HD2851 released for cultivation in Delhi and the national capital region in 2007