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Effects of vegetation type and horizontal curve radius on the rate of tree pruning to provide line of sight on main access roads
tree pruning vegetation type sight line
2015/5/5
The present investigation was carried out to assess the influence of vegetation type and horizontal curve
radius on the rate of tree pruning to provide the line of sight on horizontal curves in Casp...
Oospores of Phytphthora infestans in soil provide an important new source of primary inoculum in Finland
potatoes Solanum tuberosum potato late blight Phytophthora infestans epidemiology oospores mating type sexual reproduction soil borne inoculum
2010/8/13
There have been numerous indications since the 1990s that oospore-derived primary infections play an increasing role in the epidemiology of potato late blight. The aim of this study was to verify that...