Psyche: A Journal of Entomology / 2020 / Article / Tab 2

Research Article

Antioviposition and Reduction of Callosobruchus chinensis Pic. 1902 (Coleoptera: Bruchidae) Emergence on Phaseolus vulgaris by Dioscorea sansibarensis Powder and Its Chemical Composition

Table 2

Oviposition by Callosobruchus chinensis cultured on Phaseolus vulgaris seeds treated with powders of Dioscorea sansibarensis leaves, bulbils, and yams.

Oviposition ± SE
Powder(Conc. g/50 g)Positive controlNegative control
0.20.40.60.8

Leaves422.5 ± 56.8c441.0 ± 51.6b360.5 ± 39.8c299.8 ± 31.2c,d144.3 ± 15661.5 ± 67.8
Bulbils491.8 ± 59.7a478.8 ± 54.4a399.8 ± 46.9c385.5 ± 37.9c
Yams458.5 ± 65.6b405.0 ± 36.3c338.8 ± 31.6c,d286.0 ± 40.8d

Treatment with Poisson distributed data was subjected to a generalized linear model. Means in the table that do not share a letter are significantly different (N = 56; ).

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