Screening of Pearl Millet F₁ Hybrids for Heat Tolerance at Early Seedling Stage

Table 4

Analysis of variance for 10 × 10 half-diallel for different characters in three environments.

(a)

Environment	Source of variation	D.F	Mean sum of squares
			Germination (%)	Rate of emergence	STI (%)	SSTI (%)	Number of leaves/seedling	Seedling height (cm)	Fresh weight (g)/seedling	Dry weight (g)/seedling
E1	Replicates	2	6.52731	5.96768	7.83393	20.70093	0.18674	3.37641	0.33999	0.02590
	Treatments	54	109.70255**	81.81153**	308.63092**	206.80900**	11.00708**	21.06317**	9308.29527**	3.19767**
	Parents	9	51.18163**	142.89925**	591.14816**	188.80254**	10.84227**	10.87906**	225.61719**	0.42162**
	Hybrids	44	114.23573**	33.98933**	256.97199**	206.33716**	4.72874**	13.91526**	6741.23518**	2.61839**
	Parents versus hybrids	1	436.93104**	1636.19916**	38.96838	389.62793**	288.73741**	427.22798**	2341.44289**	53.67022**
	Error	108	2.81184	13.56832	11.73684	6.74337	0.40104	3.06462	201.51619	0.05535
E2	Replicates	2	5.83819	37.07389*	15.96635	1.98738	0.34925	4.48213	8.99529	0.07177
	Treatments	54	99.97443**	28.25177**	353.78177**	190.74306**	6.65284**	17.64081**	2576.94570**	21.77519**
	Parents	9	65.07784**	37.18879**	698.66289**	179.85404**	7.05379**	14.08518**	106.12519**	0.77429**
	Hybrids	44	105.69731**	21.27302**	291.02537**	194.29240**	3.29256**	7.00003**	1860.26552**	14.83428**
	Parents versus hybrids	1	162.23710**	254.88361**	11.13326	132.57362**	150.89673**	517.83569**	56348.25791**	516.18348**
	Error	108	3.34760	10.97039	10.49505	6.35570	0.67641	1.60576	6.94613	0.06206
E3	Replicates	2	8.94398	48.08815*	—	—	0.51076	0.95989	37.68421	0.30220
	Treatments	54	126.15600**	48.42216**	—	—	28.11077**	59.47316**	3870.84450**	34.45076**
	Parents	9	71.35735**	109.76388**	—	—	14.68699**	11.12764**	1360.81650**	13.07836**
	Hybrids	44	132.17740**	13.79360	—	—	15.54071**	45.81632**	2520.84767**	23.78032**
	Parents versus hybrids	1	354.40180**	1020.00335**	—	—	702.00767**	1095.48362**	85860.95705**	696.30188**
	Error	108	7.82907	10.85444	—	—	1.39771	2.91325	30.19169	0.24004

(b)

Environment	Source of variation	D.F	Mean sum of squares
			Panicle emergence	Effective tillers/plant	Plant height	Ear length	Ear weight/plant	Dry fodder yield/plant	Grain yield/plant	Total biological yield/plant
E1	Replicates	2	31.86061**	4.16348**	167.29472*	1.70641	10.77192	96.34539	3.92777	115.54459
	Treatments	54	41.52368**	0.85657**	3267.06089**	16.02572**	617.70406**	3041.13204**	342.85030**	5756.17582**
	Parents	9	45.11481**	0.18538**	1408.07476**	22.40093**	116.53959**	270.14155**	38.58650**	613.21919**
	Hybrids	44	32.01347**	1.00797**	1103.95657**	10.10497**	402.96671**	1712.71411**	241.36880**	3029.99650**
	Parents versus hybrids	1	427.65286**	0.23609*	115174.52616**	219.16167**	14576.62749**	86430.43524**	7546.41053**	171994.67546**
	Error	108	4.68159	0.04907	36.92099	2.24610	17.11430	34.98126	6.82350	50.75268
E2	Replicates	2	6.56364	0.02556	615.75565**	8.28842**	5.89094	22.68506	2.60877	15.07116
	Treatments	54	29.99618**	0.69822**	2689.98723**	24.36886**	605.92784**	2472.59877**	419.20073**	5134.83489**
	Parents	9	26.30000**	0.48079**	1655.55405**	38.71874**	141.22393**	195.43682**	31.32426**	572.30706**
	Hybrids	44	25.33165**	0.73449**	961.62857**	14.63359**	354.95366**	1547.59288**	262.62465**	2934.92304**
	Parents versus hybrids	1	268.50135**	1.05929**	88047.66697**	323.57161**	15831.12746**	63667.31560**	10799.43646**	142993.70699**
	Error	108	5.07598	0.05829	52.34122	1.49406	9.55133	21.42411	4.62311	32.73886
E3	Replicates	2	0.29697	0.21161	94.59847	1.43746	9.85141	46.80064	9.26334	33.45160
	Treatments	54	80.45499**	0.94511**	1924.20108**	32.79225**	720.49211**	2989.53021**	550.61308**	6517.32994**
	Parents	9	80.10741**	0.94166**	1160.37343**	37.02185**	163.05190**	232.36440**	45.53893**	714.84982**
	Hybrids	44	62.54377**	0.95514**	737.81513**	21.88348**	318.13193**	1902.63916**	315.72179**	3686.89934**
	Parents versus hybrids	1	871.67710**	0.53496*	60999.63199**	474.71212**	23441.30203**	75627.22861**	15431.49707**	183278.59719**
	Error	108	6.96981	0.07883	55.78505	2.28608	14.91014	25.74223	4.49588	51.87705

*Significant at = 0.05.
**Significant at = 0.01.