Attacks of Phoma exigua on Hydrangea macrophylla cv Hanabi in Central Italy [Latium]
2006
Gilardi, G. | Minerdi, D. | Garibaldi, A.
إنجليزي. Attacks of Phoma exigua on Hydrangea macrophylla Hanabi were observed for the first time in Lazio (Central Italy) during Spring 2005. The disease is characterized by the appearance of brown or grey leaf spot, normally circular, usually 2 to 7 cm diameter, surrounded by a yellow-red halo, frequently located on the leaf tips and margins. At later stages, young leaves may turn brown and die. Previous attacks were reported on Hydrangea spp. in Alaska (USA), Netherlands and Bulgaria
اظهر المزيد [+] اقل [-]إيطالي. Durante la primavera del 2005 sono stati osservati per la prima volta in Italia alterazioni fogliari su Hydrangea macrophylla cv Hanabi, causate da Phoma exigua. In corrispondenza degli apici e dei margini fogliari veniva osservata la presenza di macchie necrotiche inizialmente puntiformi e contornate da un alone clorotico, a sviluppo rapido, tendenzialmente circolari, con diametro variabile tra 2 e 7 cm. Il patogeno è stato osservato in Alaska (USA), nei Paesi Bassi e in Bulgaria su diverse specie appartenenti al genere Hydrangea
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
المعلومات البيبليوغرافية
تم تزويد هذا السجل من قبل Istituto di Servizi per il Mercato Agricolo Alimentare