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Table 3 Pest repellency records and percent repulsions (PR) of 2α,3β,21β,23,28-penta hydroxyl 12-oleanene

From: Pesticidal and pest repellency activities of a plant derived triterpenoid 2α,3β,21β,23,28-penta hydroxyl 12-oleanene against Tribolium castaneum

Dose (mg/cm2)

#

Repellency record

  

Hourly observations

Average of hourly observations (Nc)

Percent repulsion (PR) PR = (Nc-5)×20%

  

1 h

2 h

3 h

4 h

5 h

1 h

2 h

3 h

4 h

5 h

1 h

2 h

3 h

4 h

5 h

0.94

10

8

8

8

9

9

8.33

9.00

9.00

9.66

9.66

66.6%

80.0%

80.0%

93.2%

93.2%

0.94

10

7

9

9

10

10

0.94

10

10

10

10

10

10

0.47

10

8

9

9

9

9

7.66

8.00

8.33

8.66

8.66

53.2%

60.0%

66.6%

73.2%

73.2%

0.47

10

7

7

8

8

8

0.47

10

8

8

8

9

9

0.23

10

6

6

6

6

6

6.33

7.00

7.33

7.33

7.33

26.6%

40.0%

46.6%

46.6%

46.6%

0.23

10

5

7

8

8

8

0.23

10

8

8

8

8

8

  1. # = Number of pests applied per petridish.