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. 2016 Feb 12;11(2):e0149404. doi: 10.1371/journal.pone.0149404

Table 4. Effects of different plant growth regulators on maize grain yield (t ha-1) and yield components from 2011 to 2012.

Year Treatment Ear length(cm) Ear diameter(cm) Kernel number per ear Thousand kernel weight(g) Yield(t ha-1)
2011 Control 19.40±0.99ab 5.24±0.09b 590±20.00a 315±10.00bc 12.59±0.58b
CCC 17.86±0.79b 5.16±0.16b 550±15.00b 300±14.00c 11.55±0.92b
DCPTA 19.88±0.85a 5.62±0.21a 622±22.00a 321±3.50ab 13.67±0.78a
PCH 19.50±1.29ab 5.40±0.09ab 600±25.00a 337±7.00a 13.79±0.78a
2012 Control 19.62±0.92a 5.32±0.19b 650±9.00a 290±9.00b 11.83±0.83b
CCC 17.80±0.76b 5.18±0.10b 613±22.00b 271±7.00c 10.75±0.74b
DCPTA 19.82±1.07a 5.72±0.21a 665±19.00a 301±10.00b 11.92±1.01ab
PCH 19.73±0.43a 5.48±0.17ab 658±27.00a 319±8.50a 12.62±0.61a

Values are mean ± SD. Values with the same letters in a column are not significantly different at P< 0.05 (LSD test) in same year