TEST THE EFFECT OF TEUCRIUM POLIUM L AND ZIZIPHUSSPINA CHRISTI (L) DESF LEAF EXTRACTS TO DISCOURAGE THE GROWTH OF SPECIES OF PLANT PATHOGEN

Document Type : Original Article

Authors

1 Fungal Plant Diseases Laboratory, Plant Protection Department, Faculty of Agriculture of Omar Mukhtar, Libya

2 Bacterial Plant Diseases Laboratory, Botany Department, Faculty of Science, University of Omar Mukhtar, Libya

Abstract

This study was impact test effectively alcohol extract of plant leaves the El gada (Teucrium polium) and seder (Ziziphusspina Christi) on   Fusarium oxysporum isolated from the roots of tomato plants infected with  wilt,and  Botrytis cinerea isolated from infected bulbs, grey rot, The test also included a plant pathogenic bacteria are Erwinia cartovora isolated from infected bulbs, soft rot bac-
terium Pseudomonas sp, isolated from Cucumber leaves infected with bacterial wilt disease. The results showed that concentrations of leaf alcohol extract CEDR effective on fungus F. oxysporum, with lower average growth used Center-Qatar plants extract alcohol concentration 2% after 7 days of incubation and growth-Qatar amounted to 6.6 cm , and is not affected by alcohol extract of leaves of El gada . While B.cinerea mushroom growth is not affected by both seder and seder extracts. It also found that alcoholic extract of leaves of Seder dampening bacteria isolated Pseudomonas sp and E.cartovora, while never giving El gada alcohol extract no inhibition effect against bacteria tested.

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