ISSN: 0024-1148 Russian Journal of Forest Science. 2014, No. 1, pp. 34-41


DEFOLIATION AND CATEGORIES OF SANITARY CONDITION OF PINES IN THE OUTBREAK OF EUROPEAN PINE SAWFLY IN FRESH SUBOR OF LUHANSK OBLAST


V. L. Meshkova1, M. S. Kolenkina2
1Ukrainian Research Institute of Forestry and Forest Melioration named after G.N. Vysotsky
Pushkinska st. 86, Kharkiv, 61024, Ukraine
2Luhansk Agrosilvicultural Research Station, Ukrainian Research Institute of Forestry and Forest Melioration named after G.N. Vysotsky
Linova st. 89a, Luhansk, 91008, Ukraine
E-mail: valentynameshkova@gmail.com


Received 2 December 2012


The dynamics of defoliation and sanitary of trees in 2007-12, and relations between these indicators in the outbreak of European pine sawlfy (Neodiprion sertifer Geoffr.) was studied incase of 40- and 20-years old Scotch pine stands (Pinus sylvestris L.) in a fresh subor habitat in Luhansk Oblast. Sanitary state of the 20-year old stand was worse than the 40-year old one during 2007-12. The way of accounting of the share of trees with altered category of sanitary state during the European pine sawfly epidemics for the foret site studied.



  • Keywords: Scots pine (Pinus sylvestris L.), European pine sawfly (Neodiprion sertifer Geoffr.), defoliation, category of sanitary condition.


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