Skip to main content
. 2012 Dec 18;2012:287907. doi: 10.1100/2012/287907

Table 5.

Growth duration, leaf area index (LAI) at flowering, harvest index, and total dry weight of the four rice varieties grown under two water management treatments and two N rates at the IRRI farm for the three consecutive seasons.

Growth duration (days) LAI at flowering
Total dry weight
(g m−2)
Harvest index
(%)
AWD CF AWD CF AWD CF AWD CF
2009 DS
 IR72 104 104 5.49b 5.35c 1481a 1557a 45.5b 46.4c
 PSBRc80 106 104 5.56b 5.58bc 1481a 1459b 50.1a 50.1b
 IR82372H 100 100 6.63a 6.26ab 1441b 1464b 50.6a 52.2a
 SL-8H 106 106 6.82a 6.71a 1478a 1609a 52.1a 52.4a

Mean 104 104 6.13 5.98 1470 1522 49.6 50.3

2009 WS
 IR72 101 102 3.16b 3.31a 1089a 1117a 41.7b 42.7c
 PSBRc80 103 103 3.30ab 3.53a 1078a 1119a 43.8b 44.3bc
 IR82372H 102 102 3.56a 3.50a 1078a 1105a 43.5b 44.9b
 Mestizo7 100 100 3.55a 3.71a 1045b 1055a 47.2a 47.1a

Mean 102 102 3.39 3.51 1073 1099 44.1 44.8

2010 DS
 IR72 105 106 4.70a 5.15a 1545b 1560a 47.7b 48.1b
 PSBRc80 107 107 4.63a 5.40a 1594b 1578a 48.6ab 50.7ab
 IR82372H 100 100 4.72a 5.05a 1554b 1631a 50.4a 50.0a
 SL-8H 111 111 5.04a 5.01a 1658a 1667a 49.1ab 51.7ab

Mean 106 106 4.77 5.15 1588 1609 49.0 50.1

Data are the means across two N rates. Within a column for each season, means followed by the same letters are not significantly different according to LSD (0.05).