. 2018 Sep 28;6:e5532. doi: 10.7717/peerj.5532

Table 3. Differences in spike length, number of grains per spike, kernel weight per spike, number of spikes, 1,000-grain weight, and yield of eight large-spike genotypes and CK.

Cultivar	Yield traits
	Spike length (cm)	Number of grains per spike	Kernel weight per spike (g)	Number of spikes (×10⁴ ha⁻¹)	1,000-grain weight (g)	Yield (kg ha⁻¹)
CK	8.2 ± 0.1^d	43.6 ± 1.5^f	1.9 ± 0.1^d	445.0 ± 19.6^a	42.4 ± 0.4^g	6,463.4 ± 258.0^a
2,005	13.8 ± 0.2^a	75.1 ± 4.2^a	3.7 ± 0.2^a	269.2 ± 7.5^b	49.7 ± 1.3^e	6,657.4 ± 235.9^a
2,013	10.5 ± 0.1^c	57.0 ± 2.1^de	3.1 ± 0.1^b	266.7 ± 11.0^b	55.8 ± 0.4^a	6,324.3 ± 381.1^a
2,026	14.2 ± 0.2^a	58.2 ± 2.5^cde	3.0 ± 0.1^b	294.2 ± 9.4^b	52.4 ± 0.4^bc	7,042.9 ± 134.4^a
2,036	10.2 ± 0.1^c	51.3 ± 2.1^e	2.6 ± 0.1^c	291.7 ± 10.5^b	51.3 ± 0.3^cd	6,117.8 ± 211.9^a
2,037	14.1 ± 0.2^a	65.0 ± 2.8^bc	3.2 ± 0.1^b	280.0 ± 8.1^b	50.1 ± 0.4^de	7,001.8 ± 282.3^a
2,038	10.6 ± 0.1^c	59.1 ± 2.4^bcd	3.1 ± 0.1^b	281.7 ± 7.0^b	52.3 ± 0.3^bc	6,798.2 ± 285.8^a
2,039	12.2 ± 0.1^b	65.9 ± 2.0^b	2.8 ± 0.1^bc	301.7 ± 23.6^b	44.3 ± 0.2^f	6,801.7 ± 493.6^a
2,040	13.7 ± 0.2^a	54.8 ± 2.0^de	2.9 ± 0.1^bc	284.2 ± 11.7^b	53.2 ± 0.2^b	6917.6 ± 240.5^a

Notes.

Values are means ± SE (n = 3); means followed by different small letters in the same column are significantly different at P < 0.05 according to LSD test.