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

Table 3

Grain yield (t ha⁻¹), panicles m⁻² and grains panicle⁻¹ in response to the interaction effect of weed infestation levels and genotypes.

Genotype	Grain yield		Panicles		Filled grains
	Weed-free^a	Partial weedy	Weed-free	Partial weedy	Weed-free	Partial weedy
	t ha^−1		number m^−2		number panicle^−1
PR-115	6.59	3.58	290	230	114	96
H-97158	8.89	5.15	351	236	133	103
CR2707	7.43	4.80	305	238	136	96
US-310	6.78	4.52	252	247	148	95
IR88633	6.95	5.20	278	249	130	91
IR83927	8.09	6.03	336	259	122	108
RH-257	8.63	5.50	340	252	136	115
PR-120	8.47	6.66	362	308	124	120
LSD (0.05)	0.7		29		14

aWeed-free: plots were kept weed-free throughout the season. Partial weedy plots: plots were hand-weeded once at 28 DAS and weeds were allowed to grow before and after the hand-weeding throughout the season.