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.VdfPanicle number/hill (cm)Panicle length/hill (cm)Full grain number/hillEmpty grain number/hillTotal grain/hillYield (gm/hill)

Cultivar factor4106.8**19.89**112.82**151494.7**156662**215.8**
Error A102971.151426.7613948.717314.8581.2
Growth stage factor418.77**11.29**4269.82**27148.8**2851.3**251.2**
Temperature factor1181.5**95.36**117264**18627.6**574370**357.2**
Growth stage × temperature interaction431.86**11.13**3235.15**56684.02**1091.2**53.16**
Variety × growth stage interaction1684.98**9.94**2822.8**279182.9**2720.7**120.8**
Cultivar × temperature interaction47.413.28**6637.30**126981.2**5494.1**85.12**
Cultivar × temperature × growth stage interaction16139.2**8.17**5812.32**733214.2**4543.7**53.72**
Error B902.277.210.475.911.297.8

CV20.213.414.215.216.811.2

Ns: nonsignificant, * and ** significant in probability levels of 5% and 1%, respectively.