Table 3 Yield components of 4 rice cultivars grown under 3 N treatments in 5 locations at 2013. Data are averaged across 3 N treatments
From: Potential Yield Increase of Hybrid Rice at Five Locations in Southern China
Cultivar | Panicles m−2 | Spikelets panicle−1 | Spikelets m−2 (× 103) | Spikelet filling (%) | Grain weight (mg) |
|---|---|---|---|---|---|
Huaiji | |||||
Liangyoupeijiu | 171.5 | 217.0 | 37.5 | 65.7 | 23.4 |
Y-liangyou 1 | 195.3 | 195.6 | 38.7 | 69.7 | 23.4 |
Yuxiangyouzhan | 175.7 | 226.1 | 39.6 | 71.5 | 19.6 |
Huanghuazhan | 197.4 | 184.3 | 36.2 | 82.0 | 19.6 |
Mean | 184.9 c | 205.7 a | 38.0 b | 72.2 d | 21.5 b |
LSD (0.05) | 16.2 | 14.9 | 3.9 | 4.1 | 0.4 |
Binyang | |||||
Liangyoupeijiu | 206.4 | 171.5 | 35.5 | 80.2 | 24.8 |
Y-liangyou 1 | 201.6 | 155.3 | 31.6 | 82.2 | 25.3 |
Yuxiangyouzhan | 196.7 | 183.7 | 35.9 | 83.8 | 20.5 |
Huanghuazhan | 220.8 | 153.0 | 33.8 | 83.4 | 20.4 |
Mean | 206.4 b | 165.9 b | 34.2 c | 82.4 b | 22.7 a |
LSD (0.05) | 14.1 | 11.1 | 2.7 | 2.9 | 0.3 |
Haikou | |||||
Liangyoupeijiu | 212.8 | 152.5 | 32.4 | 77.4 | 24.2 |
Y-liangyou 1 | 211.6 | 154.1 | 33.1 | 74.4 | 25.2 |
Yuxiangyouzhan | 208.4 | 156.9 | 32.4 | 90.7 | 20.0 |
Huanghuazhan | 228.3 | 144.2 | 32.7 | 90.5 | 20.8 |
Mean | 215.3 b | 151.9 c | 32.6 c | 83.3 ab | 22.6 a |
LSD (0.05) | 15.8 | 11.2 | 2.4 | 3.3 | 0.3 |
Changsha | |||||
Liangyoupeijiu | 252.3 | 230.6 | 58.3 | 70.5 | 22.6 |
Y-liangyou 1 | 256.7 | 185.0 | 47.6 | 83.8 | 22.7 |
Yuxiangyouzhan | 258.8 | 229.1 | 59.4 | 75.4 | 18.6 |
Huanghuazhan | 315.2 | 192.5 | 59.5 | 77.5 | 17.9 |
Mean | 270.7 a | 209.3 a | 56.2 a | 76.8 c | 20.5 c |
LSD (0.05) | 20.3 | 16.7 | 4.1 | 4.7 | 0.4 |
Xingyi | |||||
Liangyoupeijiu | 283.6 | 208.0 | 58.9 | 81.4 | 24.5 |
Y-liangyou 1 | 307.2 | 180.3 | 55.4 | 86.1 | 25.8 |
Yuxiangyouzhan | 242.5 | 244.0 | 58.6 | 89.9 | 20.6 |
Huanghuazhan | 334.0 | 164.1 | 54.0 | 88.5 | 22.3 |
Mean | 291.8 a | 199.1 a | 56.7 a | 86.5 a | 23.3 a |
LSD (0.05) | 19.1 | 16.1 | 4.2 | 2.7 | 0.5 |