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Table 1 Field evaluation of Metarhizium anisopliae s.l. 5% AS against termite

From: Potential of the entomopathogenic fungus, Metarhizium anisopliae s.l. in controlling live-wood eating termite, Microtermes obesi (Holmgren) (Blattodea: Termitidae) infesting tea crop

Treatment details

Concentration/ha (400 l spray fluid)

Darjeeling Region

Dooars Region

Mean % reduction of termite

After year I

After year II

After year I

After year II

Metarhizium anisopliae s.l. 5% AS

600 ml$

52.40b

53.11b

51.85b

54.97b

Metarhizium anisopliae s.l. 5% AS

800 ml$

59.24b

59.11b

60.40b

56.48b

Metarhizium anisopliae s.l. 5% AS

1000 ml$

78.85c

76.75c

77.77c

75.93c

Metarhizium anisopliae s.l. 5% AS

1200 ml$

82.85c

84.75c

83.77c

86.93c

Metarhizium anisopliae s.l. 5% AS ± Thiamethoxam 25WG

1000 ml$ ± 100 gm

76.95c

78.77c

76.46c

81.17c

Thiamethoxam 25WG

100 gm

62.16b

63.48b

67.92b

63.84b

Control

0.00a

0.00a

0.00a

0.00a

CD

5.23

4.47

4.38

4.19

  1. Mean of five replications, differences among the tested doses are grouped in same column with small letters and the identical letters do not differ significantly at P = 0.05 according to Tukey’s multiple comparison test. $Containing 2 × 107 conidia/ml