Susceptibility of ten rice brands to weevil, Sitophilus oryzae L. (Coleoptera: Curculionidae), and their influence on the insect and infestation rate

Bulletin of the National Research Centre

Table 4 Mean weight of male and female Sitophilus oryzae L. emerged from ten rice brands

Serial number	Rice brands	Mean weight of males (g)	Mean weight of females (g)
1	Royale stallion	0.0022 ± 0.0003a	0.0026 ± 0.0003bc
2	Mama royale	0.0027 ± 0.0003a	0.0038 ± 0.0006a
3	Parboiled rice	0.0020 ± 0.0002a	0.0029 ± 0.0004abc
4	Mama gold	0.0025 ± 0.0003a	0.0030 ± 0.0003ab
5	White rice	0.0023 ± 0.0004a	0.0030 ± 0.0004ab
6	Super eagle	0.0024 ± 0.0003a	0.0036 ± 0.0005ab
7	Indian rice	0.0029 ± 0.0004a	0.0032 ± 0.0002ab
8	Champion rice	0.0021 ± 0.0002a	0.0019 ± 0.0002c
9	Abakiliki	0.0025 ± 0.0006a	0.0031 ± 0.0003ab
10	Mama Africa	0.0021 ± 0.0002a	0.0019 ± 0.0003c
	F statistic	F_9,30 = 0.730	F_9,30 = 3.010
	P value	0.683	0.004

Data are means ± SEM of four replications
Mean values in a column with same letter are not significantly different by HSD (α = 0.05)