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. 2021 Feb 15;21(1):14. doi: 10.1093/jisesa/ieab006

Table 4.

Corrected cumulative mortality (mean ± SE) of Callosobruchus maculatus adults in cowpea seeds treated with fractionated root extracts of Gnidia kraussiana

DAI Mortality F 3,12
NSO Hexane fraction Acetone fraction Methanol fraction
1 g/kg
1 0.0 ± 0.0 11.4 ± 4.3 6.3 ± 4.7 3.8 ± 1.3 2.30ns
2 2.6 ± 1.5B 17.8 ± 5.1A 20.4 ± 2.7A 7.6 ± 1.4AB 8.85**
3 4.0 ± 2.5B 37.5 ± 5.3A 29.8 ± 1.6A 14.3 ± 3.6B 18.19***
4 5.4 ± 2.2C 54.4 ± 7.4A 37.1 ± 2.9AB 20.1 ± 2.1B 24.60***
5 8.4 ± 2.8D 66.0 ± 5.6A 43.8 ± 4.0B 26.7 ± 1.1C 43.06***
6 8.5 ± 2.8D 73.0 ± 5.3A 55.07 ± 4.7B 29.0 ± 0.4C 55.58***
7 9.0 ± 1.8C 75.8 ± 3.3A 67.2 ± 6.1A 35.3 ± 2.1B 67.06***
5 g/kg
1 5.1 ± 2.0B 51.0 ± 4.5A 10.1 ± 6.8B 10.1 ± 0.1B 36.71***
2 7.8 ± 3.4C 82.1 ± 3.2A 26.8 ± 3.7B 13.9 ± 2.3BC 112.00***
3 10.8 ± 2.3C 93.4 ± 4.0A 36.4 ± 2.1B 34.2 ± 1.1B 187.20***
4 13.7 ± 3.5C 94.6 ± 3.1A 43.9 ± 2.3B 40.9 ± 1.3B 154.69***
5 19.3 ± 5.0C 98.5 ± 1.5A 50.7 ± 2.4B 46.5 ± 1.3B 124.43***
6 25.4 ± 3.7C 100.0 ± 0.0A 69.1 ± 3.3B 53.6 ± 2.5C 202.89***
7 35.8 ± 2.2D 100.0 ± 0.0A 77.7 ± 3.6B 60.1 ± 2.3C 198.96***

DAI, day after infestation.

The untreated control had the no mortality. Means within the same line followed, respectively, by the same letter(s) did not differ significantly (P < 0.05; Tukey’s test).