Growth and Productivity Assessment of Short-Duration Rice (Oryza sativa L. and Upland NERICA) Genotypes in Semiarid North-Central Namibia

Table 4

Interactive effect of years and rice genotype on yield components and yield.

Year × genotype		Total panicles (no. m^−2)	1000-grain weight (g)	Grain yield (t·ha^−1)	Harvest index
2017	IR58	166.5def	26.6defgh	3.5def	0.38hi
	IR60	237.5b	22.1j	4.7abc	0.44efgh
	IRI176	186.5cde	33.6b	3.5def	0.40hi
	IRRI148	93.2jk	26.0efgh	2.6ghi	0.38i
	N1	107.1gijk	33.2b	3.2efg	0.48cdef
	N4	87.8jk	28.2d	2.5ghi	0.50cdef
	N7	79.3k	33.5b	2.6ghi	0.47defg
	NSIC 2013 RC346	152.9efgh	25.5ghi	3.2efg	0.37i
	NSIC RC216	156.5ef	27.9de	3.8cde	0.41ghi
	NSIS RC298	128.8fghij	26.5defgh	3.5def	0.39hi
	PSBRC10	144.9efghi	27.0defgh	3.1efgh	0.40hi
	PSBRC82	151.5efgh	27.4defg	3.9cde	0.38hi
2018	IR58	344.9a	25.2hi	4.7abc	0.53abcd
	IR60	304.1a	23.9ij	4.1bcd	0.50cdef
	IRI176	208.7bcd	32.2bc	4.4bc	0.55abc
	IRRI148	154.8efg	27.0defgh	4.7abc	0.59a
	N1	86.6jkj	32.1bc	2.3hi	0.50bcde
	N4	78.8k	32.2bc	2.7fghi	0.50cdef
	N7	76.6k	36.6a	2.2i	0.37i
	NSIC 2013 RC346	251.4b	25.7fghi	4.6bc	0.57ab
	NSIC RC216	212.0bcd	30.7c	5.5a	0.50cdef
	NSIS RC298	225.3bc	26.8defgh	3.5def	0.43fghi
	PSBRC10	251.4b	25.9fghi	4.7abc	0.59a
	PSBRC82	225.9bc	27.5def	4.6bc	0.57ab

Means followed by the same letters within the column are not significantly different by the LSD test at the 5% probability level.