The Scientific World Journal

Research Article

Comparative Performance of Hybrid and Elite Inbred Rice Varieties with respect to Their Source-Sink Relationship

Table 5

Comparison of flag leaf photosynthetic rate among hybrid and inbred rice varieties at different dates of planting in dryseason, 2009-201.


Variety/planting date	Photosynthetic rate (mol CO₂ m⁻² s⁻¹)
Variety/planting date	2DAF	9DAF	16DAF	23DAF

Variety
BRRI hybrid dhan2	34.14	28.83	21.59	15.01a
Heera2	34.75	29.22	21.28	15.23a
Inbred BRRI dhan45	33.29	28.97	20.55	13.02b
Planting date
20 December	32.25b	30.40a	22.26	14.75
05 January	34.12ab	30.11a	21.68	15.19
20 January	34.60a	29.25a	20.99	14.08
05 February	35.25a	26.27b	19.63	13.63
Interaction
Variety × planting date	NS	NS	NS	NS
CV (%)	4.64	5.50	9.73	6.14

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.