Contribution À L’étude D’alternaria Sp Agent Causal De L’alternariose De La Pomme De Terre: Prospection Isolement Et Identification Du Pathogène

الموضوعات

زراعة

الملخص

Alternaria is one of the most common fungul genus that includes speices that can be saprophytic, endophytic or pathogynic. On potato as phytopathogens, they can cause serious problems and economic losses for farmers. In this study, we selected 4 isolates of alternaria for idebtification. The morphological ceiteria revealed the presence of two speices of Alternaria : Alternaria alternata, Alternaria tinuissima.The study of abiotic conditions shows a better growth of the pathogen On medium extracted leaves of plat potato by contricution by other media (PCA and Malt Agar) An incubation temperatue of 28°C.The pathoginicity test revealed the virulance of these 4 isolated with respect to six potato varieties with a degree that wich differs from one variety to another .The results of the postulat of koch for the evaluation of the severity of alternaria. Show that the four selacted fungal (S1, S2, S3, S4) is selected cause the disease.

روابط وملفات

التعريف والنوع

رقم الوثيقة

07268573-4682-4a61-8e91-a1281a2388ac

رقم العقد

0

نوع الوسائط

Crawler

نوع المحتوى

الرسائل العلمية

صيغة المصدر

ماستر (LMD)

نوع الملف

pdf text

أسماء الملفات

212751_1.pdf

بيانات النشر

ألقاب المؤلفين

[{"name_ar":" fayza Zerigui","title_ar":"اعداد","title_en":"Preparation"},{"name_ar":".Bendahmen B. S","title_ar":"اشراف","title_en":"Supervision"},{"name_ar":"Fadhela Mouzaoui ","title_ar":"اعداد","title_en":"Preparation"}]

اللغة

French

المصدر والدورية

اسم المصدر

Contribution À L’étude D’alternaria Sp Agent Causal De L’alternariose De La Pomme De Terre: Prospection Isolement Et Identification Du Pathogène

المحتوى والصفحات

عدد الصفحات

0

إشراف وإعداد

الإشراف

.Bendahmen B. S

الإعداد

fayza Zerigui, Fadhela Mouzaoui

الاقتباسات الببليوغرافية