Table 2 Yield components of 4 rice cultivars grown under 3 N treatments at 5 locations in 2012. 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 | 186.6 | 161.4 | 30.4 | 74.3 | 23.6 |
Y-liangyou 1 | 197.3 | 147.4 | 29.5 | 79.6 | 24.0 |
Yuxiangyouzhan | 176.5 | 180.2 | 31.9 | 78.6 | 19.8 |
Huanghuazhan | 211.7 | 145.5 | 31.0 | 82.9 | 20.0 |
Mean | 193.1 d | 158.6 d | 30.7 d | 78.8 c | 21.8 ab |
LSD (0.05) | 17.2 | 8.7 | 1.7 | 3.6 | 0.4 |
Binyang | |||||
Liangyoupeijiu | 204.1 | 147.2 | 30.1 | 81.8 | 24.3 |
Y-liangyou 1 | 205.2 | 139.1 | 28.8 | 75.4 | 24.3 |
Yuxiangyouzhan | 167.5 | 179.0 | 29.9 | 84.3 | 21.1 |
Huanghuazhan | 217.1 | 142.4 | 30.8 | 85.9 | 21.3 |
Mean | 198.5 cd | 151.9 d | 29.9 d | 81.8 b | 22.8 a |
LSD (0.05) | 14.1 | 7.8 | 2.0 | 2.9 | 0.3 |
Haikou | |||||
Liangyoupeijiu | 227.1 | 151.0 | 34.4 | 85.9 | 25.3 |
Y-liangyou 1 | 214.8 | 157.4 | 34.1 | 83.8 | 25.1 |
Yuxiangyouzhan | 194.9 | 211.9 | 41.3 | 88.5 | 20.2 |
Huanghuazhan | 219.6 | 173.4 | 38.1 | 89.1 | 20.5 |
Mean | 214.1 c | 173.4 c | 37.0 c | 86.8 a | 22.8 a |
LSD (0.05) | 10.9 | 7.5 | 2.0 | 2.5 | 0.2 |
Changsha | |||||
Liangyoupeijiu | 219.7 | 240.3 | 52.7 | 74.3 | 23.4 |
Y-liangyou 1 | 231.3 | 205.7 | 47.7 | 84.1 | 23.6 |
Yuxiangyouzhan | 218.4 | 243.7 | 53.0 | 83.2 | 19.7 |
Huanghuazhan | 287.1 | 171.2 | 48.8 | 84.0 | 20.0 |
Mean | 239.1 b | 215.2 a | 50.5 b | 81.4 bc | 21.7 b |
LSD (0.05) | 8.7 | 9.5 | 3.1 | 4.0 | 0.3 |
Xingyi | |||||
Liangyoupeijiu | 277.6 | 188.3 | 52.5 | 83.4 | 24.6 |
Y-liangyou 1 | 284.9 | 185.2 | 52.9 | 86.3 | 24.9 |
Yuxiangyouzhan | 257.9 | 230.9 | 59.5 | 85.6 | 20.0 |
Huanghuazhan | 317.0 | 181.4 | 57.5 | 86.0 | 20.9 |
Mean | 284.3 a | 196.4 b | 55.6 a | 85.3 a | 22.6 ab |
LSD (0.05) | 16.5 | 8.4 | 4.3 | 2.7 | 0.5 |