Comparative Performance of Hybrid and Elite Inbred Rice Varieties with respect to Their Source-Sink Relationship
Table 4
Comparison of flag leaf chlorophyll content and chlorophyll a : b ratio among hybrid and inbred rice varieties at different dates of planting in dryseason, 2009-201.
Variety/planting date
Total chlorophyll (mg g−1)
Chlorophyll a : b
2DAF
9DAF
16DAF
23DAF
2DAF
9DAF
16DAF
23DAF
Hybrids
BRRI hybrid dhan2
2.65b
2.53a
2.16b
1.77b
3.18a
2.97a
2.41b
2.09
Heera2
2.80a
2.57a
2.29a
1.87a
3.22a
2.88a
2.51a
2.13
Inbred BRRI dhan45
2.05c
1.80b
1.49c
1.30c
2.88b
2.63b
2.39b
1.99
Planting dates
20 December
2.42
2.32
2.05
1.71a
3.15
2.90
2.48
2.14
05 January
2.52
2.28
2.02
1.65ab
3.16
2.85
2.51
2.05
20 January
2.52
2.33
1.97
1.67a
3.07
2.77
2.39
2.06
05 February
2.53
2.28
1.89
1.56b
2.97
2.77
2.37
2.05
Interaction
Variety × planting date
NS
NS
NS
NS
NS
NS
NS
NS
CV (%)
6.21
5.73
7.30
6.69
5.01
5.79
3.93
6.65
Within a column, means followed by the same letter(s) are not significantly different at 5% level of probability by DMRT. site BRRI, Gazipur. NS: nonsignificant at 5% level of significance. DAF: days after flowering.
