Research Article
Temperature Effect on Yield and Yield Components of Different Rice Cultivars in Flowering Stage
Table 1
Sources of variations of yield and yield components.
| S.O.V | df | Panicle number/hill (cm) | Panicle length/hill (cm) | Full grain number/hill | Empty grain number/hill | Total grain/hill | Yield (gm/hill) |
| Cultivar factor | 4 | 106.8** | 19.89** | 112.82** | 151494.7** | 156662** | 215.8** | Error A | 10 | 29 | 71.15 | 1426.76 | 13948.7 | 17314.8 | 581.2 | Growth stage factor | 4 | 18.77** | 11.29** | 4269.82** | 27148.8** | 2851.3** | 251.2** | Temperature factor | 1 | 181.5** | 95.36** | 117264** | 18627.6** | 574370** | 357.2** | Growth stage × temperature interaction | 4 | 31.86** | 11.13** | 3235.15** | 56684.02** | 1091.2** | 53.16** | Variety × growth stage interaction | 16 | 84.98** | 9.94** | 2822.8** | 279182.9** | 2720.7** | 120.8** | Cultivar × temperature interaction | 4 | 7.41 | 3.28** | 6637.30** | 126981.2** | 5494.1** | 85.12** | Cultivar × temperature × growth stage interaction | 16 | 139.2** | 8.17** | 5812.32** | 733214.2** | 4543.7** | 53.72** | Error B | 90 | 2.27 | 7.2 | 10.47 | 5.9 | 11.29 | 7.8 |
| CV | — | 20.2 | 13.4 | 14.2 | 15.2 | 16.8 | 11.2 |
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Ns: nonsignificant, * and ** significant in probability levels of 5% and 1%, respectively.
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