Table 5 Grain protection potential of 2, 3-Dimethylmaleic anhydride.

From: 2, 3-Dimethylmaleic anhydride (3, 4-Dimethyl-2, 5-furandione): A plant derived insecticidal molecule from Colocasia esculenta var. esculenta (L.) Schott

Dosage (μg/L1)

% Reduction in F1 progeny*

S. oryzae

T. castaneum

R. dominica

24 h

72 h

24 h

72 h

24 h

72 h

0 (Control)

1.1 ± 0.2a

3.1 ± 0.4a

2.0 ± 0.4a

2.8 ± 0.2a

8.9 ± 1.2a

6.9 ± 2.4a

10

13.1 ± 2.1b

24.1 ± 1.4b

28.1 ± 2.9b

38.2 ± 1.9b

15.9 ± 4.7b

20.4 ± 2.7b

25

35.3 ± 5.1c

53.9 ± 1.5c

40.6±3.4c

50.6±5.4c

37.4 ± 5.1c

47.4 ± 7.2c

50

62.3 ± 2.1d

77.3 ± 2.1d

55.3 ± 6.6d

65.5 ± 3.6d

62.4 ± 5.6d

82.7 ± 2.6d

75

74.5 ± 2.4e

90.5 ± 4.4e

63.1 ± 1.9e

80.2 ± 6.9e

75.3 ± 1.4e

91.3 ± 2.4e

100

90.5 ± 6.1f

100f

77.5 ± 3.9f

100f

86.3 ± 3.4f

100f

  1. Adult emergence in F1progeny of stored product insects from treated grain.
  2. *There were 5 replicates per dose and in untreated controls (50 g infested media per replicate tested). Values followed by different letters within the vertical columns are significantly different (P < 0.05) by Newman-Keuls test.