تأثير مستخلص نباتي الخروع و اليوكالبتوس و الفطر Trichoderma harzianum على فطري التربة Fusarium sp و Rhizoctonia sp مختبريا و حقليا

Abstract EN

This Study has been conducted at a laboratory college of Agriculture of Al – Qadisiya – University .

The Result show that there is a significant effect of Ricinus communis and Eucalyptus sp.

and Trichoderma harzianum in Potato Dextrose agar (PDA) and the hot water extraction is more effective than cold water extraction .

So the fungi spores have suspension of a significant effect on the growth indicators for Ricinus communis in the field