Evaluation Of Two Entomopathogenic Fungies Metarrhizium Sp. And Paecilomyces Sp. Against The Neonate Larvae Of Peach Flatheaded Rootborer Capnodis Tenebrionis

The Peach flatheaded rootborder Capnodis sp. is the most important insect which attack stone-fruits in Syria, Entomopathogenic fungi Metarrhizium sp. and Paecilomyces sp. were isolated from larvae of Capnodis tenebrionis (Coleoptera: Buprestidae) attacking peach. This study was conducted to reveal the pathogenicity of the two fungies against the neonate larvae of Peach flatheaded rootborder, The two fungies were used in a concentration 106 conidia/ml, dipping the larvae in fungal suspension ,then it was put in apricot branches by approximately 1 cm diameter, and mortality rates two weeks after inoculation with the suspension of each of the fungi was 95% for Metarrhizium sp. and 85% for Paecilomyces sp.

Study The Effect of High Doses of Some Seed-dressing Fungicides on Delaying The Infection by Chickpea Ascochyta Blight

This field study was carried out at EL- Gab Research Center during furing 2000-2001. Six fungicides namely, Benomyl 50%, Difenoconazole, Diniconazole, Fludioxonile, Triticonazole and Thiram 37.5% + Carboxin 37.5% with high doses×1, ×2, ×4, ×8 were used as seed dressings on chickpea cultivar Gab3 to study their effects on Ascochyta blight infection. The results showed that fungicides eradicated the infection from the seeds and protected the seedlings from infection. There was a clear effect on delaying the infection by ascochyta blight on chickpea for about 10-15 days in comparison with the untreated control. However, Higher doses of some fungicides negatively affected the yield.