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Table 3 ANOVA of the effect of species on inhibition zone of essential oil of oils of Tripleurospermum disciforme (C.A.Mey.) Sch.Bip., Tanacetum parthenium (L.) Sch.Bip. and Achillea biebersteinii Afan. for some tested strains

From: Tripleurospermum disciforme (C.A.Mey.) Sch.Bip., Tanacetum parthenium (L.) Sch.Bip, and Achillea biebersteinii Afan.: efficiency, chemical profile, and biological properties of essential oil

Source of variation df MS
A. brasiliensis B. subtilis C. albicans K. pneumoniae/E. coli Sh. dysenteriae S. aureus
Species 2 1.444ns 16.083** 18.778** 6.250** 5.444** 20.250**
Error 6 0.444 0.472 0.111 0.083 0.11 0.083
  1. ns not significant
  2. **1% level of probability is significant