Response of Rice Genotypes to Weed Competition in Dry Direct-Seeded Rice in India

Table 7

Leaf area index (LAI) and vigor score at 28 days after sowing and root biomass and volume at flowering of various genotypes under weed-free conditions.

Genotype	LAI	Vigor score	Root biomass	Root volume
			g m^−2	mL m^−2
PR-115	1.86	4.3	147.8	561.5
H-97158	2.73	4.7	200.9	763.5
CR2707	3.26	9.0	196.5	746.6
US-310	1.90	4.7	175.7	667.6
IR88633	3.37	9.0	342.8	1302.7
IR83927	2.89	7.0	291.4	1107.3
RH-257	3.10	6.7	303.4	1153.0
PR-120	2.82	6.7	429.5	1653.8
LSD (0.05)	0.43	0.6	75.5	287.0