The die-back of pistachio is one of the most important diseases affecting pistachio trees reducing yield production. In commercial fields, sampling was done from nine different pistachio production areas in Mahvelat, Khorasan Razavi province during 2008-2010. In each orchard, samples were taken from tree branches with canker during spring and summer seasons. Fungal species were identified based...

Dothiorella and Spencermartinsia are two botryosphaeriaceous genera with dark 2-celled conidia and found in parasitic, saprophytic or endophytic association with various woody host plants. Based on ITS and EF1-α sequence data and morphology, eight new species are described from Iran, New Zealand, Portugal and Spain. Of these, five species are placed in Dothiorella, namely D. iranica, D. parva, ...

Determination of fungi associated with malformed tissues of mango was done on different local and exotic cultivars during the year 2000-2001. Five mango growing districts of the Punjab were selected for the study with three locations in each district. A total of 75 malformed samples and 750 tissues (10 tissues / sample) of 5 standard local cultivars and 1500 tissues of exotic cultivars were ass...

Is medical school only for the rich? T imes are getting tough in Canada for those who aspire to a post-secondary education but are not from wealthy families. Surveys done at the University of Western Ontario reveal that medical students are a privileged crew, coming from homes with family incomes in the top few percentiles. This phenomenon has intensified dramatically in the last few years, coi...

The effect of infestations of mango seed weevil, Sternochetus mangiferae (F.), on premature fruit drop of mangoes was investigated. Mango fruits ('Haden') of equal size were collected both off the ground and from the tree at four times during the season (June-August). If weevil-infested fruit were more prone to dropping than uninfested fruit, the prediction was that a higher infestation rate wo...