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Table 2 Student t test comparing weight loss in extract-treated wood exposed to subterranean termite under shade and in the open field

From: Synergism of three botanical termiticides as wood protectants against subterranean termites, Macrotermes subhyalinus (Rambur, 1842)

Treatment

Pair

Mean ± S.E

N

SD

df

t.cal

Sig.

Remarks

A.I + N.T

Shade

43.05 ± 1.29

4

2.58

6

− 0.41

0.70

NS

Open

43.81 ± 1.32

4

2.65

6

   

A.I + J.C

Shade

43.80 ± 1.29

4

2.58

6

13.43

0.00

S

Open

13.10 ± 1.89

4

3.77

6

   

N.T + J.C

Shade

50.35 ± 1.75

4

3.50

6

13.26

0.00

S

Open

17.92 ± 1.71

4

3.42

6

   

ABC

Shade

36.42 ± 0.65

4

1.29

6

17.06

0.00

S

Open

6.17 ± 1.65

4

3.30

6

   

Control

Shade

21.29 ± 1.93

4

3.86

6

− 0.57

0.60

NS

Open

22.71 ± 1.58

4

3.16

6

   
  1. A.I+N.T = Azadirachta indica plus Nicotiana tabacum
  2. J.C+A.I = Jatropha curcas plus Azadirachta indica
  3. N.T+J.C = Nicotiana tabacum plus Jatropha curcas
  4. ABC = Azadirachta indica plus Nicotiana tabacum plus Jatropha curcas