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Effect of copper sulfate on some soil fungi isolated from AL- Qadisiya District fields | ||
| journal of al-qadisiyah for pure science(quarterly) | ||
| Article 1, Volume 6, Issue 1, 2006, Pages 1-9 PDF (0 K) | ||
| Author | ||
| Ihsan. F. H . AL- Jawhary | ||
| Abstract | ||
| Abstract Four fungi isolated from the rhizospher of Vicia faba in the fields of AL-Qadisiya district, were selected for their variable resistance to toxic copper sulfate at the range of 25 , 50, 100 ppm concentration . These fungi were Rhizopus stolinifer (high tolerance ), Aspergillus niger , Trichoderma harzianum (Moderate tolerance) and Fusarium solani (low tolerance). In regard to the effect of copper sulfate , it was found that the growth of R.stolinifer no affected as compared with the comparison control in solid media (P.D.A) with the added copper sulfate, but the growth of A.niger decreased with 50 ppm concentration copper sulfate and the growth of T.harzianum decreased with 25 ppm concentration copper sulfate , but the growth of F.solani inhibited with three concentration of copper sulfate . The result fave shown that the copper sulfate activated the dry weight of mycellium of R.stolinifer ,A.niger with three concentration of copper sulfate in the liquid media, but the dry weight of mycellium of T.harzianum activated with 25, 100 ppm of copper sulfate and decreased with 50 ppm concentration. In the same time the result have shown that the dry weight of mycellium of F.solani was activated with 25 ppm concentration , but inhibited with 50, 100 ppm concentration . Introduction | ||
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