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Znanstveno-stručno i staleško glasilo
Hrvatskoga šumarskoga društva
Journal of Forestry Society of Croatia
      Prvi puta izašao 1877. godine i neprekidno izlazi do današnjeg dana
   ISSN No.: 0373-1332              UDC 630* https://doi.org/10.31298/sl
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IZVORNI ZNANSTVENI ČLANCI
     
Idžojtić, M., M. Glavaš, M. Zebec, R. Pernar, Ž. Kušan, Đ. List, M. Grahovac-Tremski UDK 630* 442 (001)
Intensity of Infection with Yellow Mistletoe and White-berried Mistletoe on the Area of the Forest Administrations Zagreb and Koprivnica     pdf     HR     EN 107
Summary: The intensity of infection of different hosts with yellow mistletoe (Loranthus europaeus Jacq.) and white-berried mistletoe (Viscum album L. ssp. album) was carried out in the area administered by Hrvatske šume d.o.o. (Croatian Forests Co.Ltd.), in the area of 10 forest offices of the Forest Administration Zagreb and 5 forest offices of the Forest Administration Koprivnica. The investigated hosts were: sessile oak (Quercus petraea /Matt./ Liebl.), pedunculate oak (Q. robur L.), narrow-leaved ash (Fraxinus angustifolia Vahl), common locust (Robinia pseudoacacia L.), sycamore (Acer pseudoplatanus L.) and black alder (Alnus glutinosa /L./ Gaertn.). In the selected subcompartments older than 30 years, through a diagonal survey the number of infected and non-infected trees, as well as the number of mistletoe plants on infected trees was registered. The intensity of infection was very different in the individual compartments, management units and forest offices. The spatial distribution of the intensity of infection of the sessile and pedunculate oaks with yellow mistletoe in three management units was shown.
In the area of the Forest Administration Zagreb from the total number of examined sessile oak trees 14.2 % were infected with yellow mistletoe. On the average on each of the infected trees there were 2 mistletoe plants, and the largest number on one tree was 18. The largest infection was noted in the Management Unit Zlatarske prigorske šume, of the Forest Office Zlatar (23.9 %). In the area of the Forest Administration Koprivnica 7.8 % of the examined sessile oak trees were infected with yellow mistletoe. On the infected trees there were 3 mistletoe plants on the average, and the largest number of plants on one tree was 11. In the Management Unit Kalnik-Kolačka, of the Forest Office Križevci, there was the largest infestation (9.7 %).
In the area of the Forest Administration Zagreb, yellow mistletoe was observed on 9.2 % of the examined pedunculate oak trees. On the infected trees there were 2 mistletoe plants on the average, and the highest number of plants on one tree was 12. The largest infestation was found in the Management Unit Obreški lug, of the Forest Office Remetinec, where 16.8 % of the examined trees were infected. Yellow mistletoe was present on 11.9 % of the examined pedunculate oak trees in the area of the Forest Administration Koprivnica. On the average 4 mistletoe plants were growing on the infected trees, and the maximum number of plants counted on one tree was 20. The most infected management unit was Križevačke prigorske šume, of the Forest office Križevci, 22.3 %.
For the sessile oak a data base of stand and habitat parameters was made out of the management facts (elevation, site quality, exposure, age and crown closure). The data were analyzed in order to establish whether there is a correlation between the mentioned parameters and the intensity of yellow mistletoe infestation.
Out of the total number of examined narrow-leaved ash trees in the area of Forest Administration Zagreb (Forest Offices Lipovljani and Kutina), 3.5 %, were infected with white-berried mistletoe, with an average of 3 mistletoe plants per infected tree; the largest number of plants per tree was 47.
Key words: Croatian Forests Co.Ltd.; intensity of infection; narrow-leaved ash; pedunculate oak; sessile oak; white-berried mistletoe; yellow mistletoe
Goglia, V., J. Žgela, I. Đukić UDK 630* 304 + 964 (001)
The Effectiveness of Anti-Vibration Gloves: Part I     pdf     HR     EN 115
 
PREGLEDNI ČLANCI
     
Matić, S., D. Delač UDK 630* 923 + 231 + 242 + 245
Silvicultural Treatments as a Method of Increasing the Value of Private Forests in Gorski Kotar     pdf     HR     EN 121
 
STRUČNI ČLANCI
     
Grgurević, Dražen UDK 630* 272
Suzana’s Park     pdf     HR     EN 147
Krpan, A. P. B. UDK 630* 972
University of Zagreb – Faculty of Forestry and Department of Forest Engineering in the Bologna Process     pdf     HR     EN 157
Konjević, D., U. Kierdorf, Z. Janicki, A. Slavica, K. Severin UDK 630* 156 + 132
Red Deer Hummel – a Unique Feature in a Red Deer Stag     pdf     HR     EN 171

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