First Report of Lasiodiplodia brasiliense Causing Disease in Apple Trees in Brazil

First report of Johne's disease in Iran

A Viroid Resembling Hop Stunt Viroid in Infected Apple Trees with Apple Scar Skin Disease in the Northeast of Iran

Abstract Background and Aims: Apple scar skin disease (ASSD) is one of the destructive diseases of pome fruits which is caused by ASSVd. Case presentation: We report molecular detection of ASSVd in symptomatic apples cv. Red Delicious with simultaneous presence of a new variant of HSVd from Khorasan Razavi province. Conclusion: This is the first report on the association of HSVd with...

first report of diplodia malorum fuckel the causal agent of canker disease of apple trees in iran*

in summer of 2009, a disease with symptoms such as stem and trunk cankers were seen in apple golden delicious cultivars trees in west azerbaijan orchards. the disease was in progress due to environmental stresses such as drought and frostbite. bark and vascular system of the tree was darkened at the site of infection and cankers were scaling on main trunk and branches. to isolation of the fungi...

First report of Fusarium chlamydosporum causing crown rot and dumping of on Durum wheat in Algeria

Several species of Fusarium infect durum wheat plants in the eastern part of Algeria. Endophytic fungus from random wheat seeds were sampled from fifty locations in eastern Algeria and shows the existence of Fusarium chlamydosporum regarding the macroscopic and microscopic characteristics. Molecular identification using EF1 and ITS1 primers were confirmed the presence of Fusarium chlamydosporum...

first report of cladosporium sphaerospermum causing leaf spot disease of aloe vera in india

this paper deals with the study of a leaf spot disease observed on aloe vera leaves in various nurseries and botanical gardens during the routine surveys of two consecutive years of 2010 and 2011. the symptoms appeared in the form of circular to oval, brown to black, sunken spots on abaxial surface of leaves. the disease was observed only in january to february during the survey. colonieson pda...