Болезни древесных пород в городских зеленых насаждениях
2012
Grigortsevich, L.N. | Telesh, A.D., Belarus State Technological Univ., Minsk (Belarus)
In the conditions of the Republic of Belarus there was presented analysis of prevalence of the main harmful plan pathogens in urban green areas in various regions of the country. It was found out that the most common fungal leaf spots are brown (Phillosticta sphaeropsoidea), yellow (Phillosticta castaneae), brown spots (Cylindrosporium castanicola) for horse-chestnut (Aesculus hippocastanum L.); black and brown (Sercospora microsora) and brown spots (Phillosticta tilia) for small-leaved Lime (Tilia cordata); black spot (Rhytisma acerinum) for Norway Maple (Acer platanoides). Their prevalence for 2008-2010 in the average ranged from 18.1 to 90.2%. Among agents causing necrotic-cancer diseases the most prevalent are Thyrostroma compactum (25,5-38,8%), Nectria galligena (10,0-21,6%), Cytospora carphosperma (12,0-27,6%). There was presented a comparative analysis of health state of woody plants in the biggest cities of Belarus.
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