EFFECT OF SOME PLANT LEAVES EXTRACTS ON Fusarium culmorum THAT CAUSE WHEAT DAMPING- OFF DISEASE

KHADEEJA AHMED SAIDO

doi:10.26682/avuod.2017.20.1.14

KHADEEJA AHMED SAIDO Dept. Of Plant Protection, College of Agriculture, University of Duhok, Kurdistan Region-Iraq

DOI: https://doi.org/10.26682/avuod.2017.20.1.14

الملخص

In vitro, study was conducted to evaluate the efficiency of leaves extracts for each of Nerium oleander , Eucalyptus camaldulensis and Myrtus communis at concentrations 0, 0.5 , 1 , 2 and 3 % on the growth and sporulation of Fusarium culmorum , the cause of wheat damping- off disease . Results revealed anoticable inhibition of a pathogen mycelial growth and its sporulation when cultured on PDA mixed with different extracts particularly with M. communis that exhibited inhibition of mycelial growth by the rate of 30.06 %, compared to 26.31 % and 14.77 % with extracts of E. camaldulensis and N. oleander , respectively. The lowest comparable sporulation of apathogen was 12.07% recorded in colonies grown on E. camaldulensis extract at 0.5 % .Wheat seedlings damping –off % was reduced significantly with increasing concentrations of examined extracts.

التنزيلات

بيانات التنزيل غير متوفرة بعد.

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