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

Table 1

Rf values of chemical compounds found in leaves, bulbils, and yams of Dioscorea sansibarensis.

	Rf values
	Alkaloids	Flavonoids	Saponins	Phenolic compounds	Terpenoids
Leaves	—	0.73	0.72, 0.84	—	0.18, 0.29, 0.49, 0.63, 0.80, 0.84
Bulbils	—	0.51, 0.60, 0.69, 0.71, 0.81	0.61, 0.72, 0.82	0.37, 0.63	0.37, 0.49, 0.69, 0.78
Yams	—	0.56, 0.62, 0.71	0.61, 0.72	0.52	0.37, 0.75, 0.80