ـ Effect of Aqueous and Alcoholic Extract of Eucalyptus Camaldulensis Dehn Leaves on Growth of Fungal Root Rot of Pinus Brutia Ten In Vitro

Abstract

Root Rot disease is one of important disease which caused great damage for Pinus brutia and was very clear the field Survey of Mosul nurseries,3 nurseris in AL-Faisalih location, 3 nurseris in Muthanna, 1 nurseris in AL-Mohandiseen location and Nineveh Horticulture station, this was through October and December of 2017 and February , April , June and August of 2018.fungi were recorded like Fusarium solani Mart Insulalation ratia 27.80% ,Macrophomina phaseolina Tassi Goid Insulalation ratia 18.76% and Rhzoctonia solani Khun Insulalation ratia 16.48% which Isolated from Pinus brutia Seedling .Pathogenicity tests Results showed Fusarium poae was had high pathogenicity 87.5% Pinus brutia seedling and the fungus was very effective at growth characteristics. The study of Eucalyptus camaldulnsis leaves Extracts effect at the growth of Isolated fungi growth inhibition and for all studying concentration as a compartment with aqueous extracted especially leaves Alcoholic extracts Rhizoctonia solani was morally effect by aqueous leaves extracted.

Keywords

• pinus
• root rot
• fungi
• extracts
• eucalyptus