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Table 3 Pest repellency records and percent repulsions (PR) for chloroform soluble fraction of rhizome of D. quercifolia J. Smith

From: Pesticidal and pest repellency activities of rhizomes of Drynaria quercifolia (J. Smith) against Tribolium castaneum (Herbst)

Dose (mg/cm2) # Repellency record
   Hourly observation Average of hourly observation (Nc) Percent repulsion (PR) PR = (Nc - 5) х 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 9 10 10 10 10 9.6 9.6 9.6 10.0 10.0 93.2% 93.2% 93.2% 100% 100%
0.94 10 10 10 10 10 10
0.94 10 10 9 9 10 10
0.47 10 9 10 10 10 10 9.0 9.3 9.3 9.6 9.6 80.0% 86.6% 86.6% 93.2% 93.2%
0.47 10 10 8 8 9 10
0.47 10 8 10 10 10 9
0.23 10 6 8 8 8 8 8.0 8.6 8.3 9.3 9.3 60.0% 73.2% 66.6% 86.6% 86.6%
0.23 10 10 9 9 10 10
0.23 10 8 9 8 10 10
  1. # = Number of pests applied.
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