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THE INHIBITION EFFECT OF ARAK TREES ROOTS EXTRACTS ( SEWAK ) ON FUNGI ISOLATED FROM SOME OF FOREST SEEDS TREE | ||
| Mesopotamia Journal of Agriculture | ||
| Article 1, Volume 41, Issue 1, 2013, Pages 202-208 PDF (0 K) | ||
| DOI: 10.33899/magrj.2013.76049 | ||
| Authors | ||
| Al-Khero A. N; Ahmed K. S | ||
| Abstract | ||
| The Isolation of forest seeds associated fungi for 10 species of forests trees Zawita pine (Pinus brutia), Italian cypressus (Cupressuss sempervirens), Casuarina (Casuarina equistifolia), Thuja (Biota oriantalies), Eucalyptus (Eucalyptus camldulensis ), Barkinsonia sp., Alianthus sp., Robinia pseudoacacia, Acacia cianoophyla and Sycamore ( Platanus occidentales ) where done. Results are showed that four genera of fungi associated with seeds , in spite of external sterilization before culture , the fungi involved Fusarium , Penicillium , Aspergillus , Rhizopus , its maximum isolation ratio was ( 1.7 , 8.3 , 6.7 , 5 ) % respectively.Bioassay of sewak extracts and sewaq powder on fungi showed that alcoholic extract had high inhibition on Fusarium sp. ( 74 %) at 100% conc. , Penicillium sp. (30.4 %) at 100% conc. While aqueous extract had no inhibition till at 100% conc., results of sewak powder showed no inhibition activity at all conc. except extract 100% , while the sewak powder had inhibition close with extract of sewak except first and second conc.whose where low inhibition for Aspergillus sp., bioassay result of sewak alcoholic extract on seeds rot fungi showed that alcoholic extract had high inhibit activity on Fusarium sp. (47 %) at 100% conc. of this extract, While aquatic extract had no inhibition activity against all species of fungus, results of sewak powder bioassay had inhibition activity on Fusarium sp. ( 40, 51, 51) % at first , second an third conc. respectively , Aspergillus sp. had low inhibition activity ( 16 , 15 , 0 ) % at three concentrations respectively , Penicillium sp.had no inhibition activity at all . | ||
| Keywords | ||
| Inhibition effect; Bioassay; Seeds associated fungi; Sewak extracts | ||
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