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I. Seletković, N. Potočić, M. Šango: PRIMJENJIVOST PREPARATAZAFOLIJARNU PRIMJENU HUNGAVIT ... Šumarski list – Posebni broj (2011), 239-247


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SUMMARY: In this paper the results of two nursery experiments dealing with the influence
of preparation for foliar application “Hungavit” on the growth and development
of common beech and pedunculate oak bare-root seedlings are given. The experiments
were set up as randomized blocks with three treatments and three repetitions. A generally
positive influence of Hungavit on the development of seedlings was established.
With beech, Hungavit had the greatest influence on the potassium, calcium and magnesium
concentrations in leaves, biomass of leaves and stems and several important root
properties, such as number of root tips.


The highest concentrations of nitrogen in beech leaves were present in B1 treatment
(1% Hungavit). In oak leaves concentrations decrease with dose. Normal values in
beech were reached only in B1, and in oak in all treatments. Phosphorus concentrations
were highest in treatment 1 in both species, and all values correspond to normal range of
values (Bergmann 1992 according to Fiedler and Hohne 1985). Potassium, calcium and
magnesium concentrations increase with Hungavit dose (Table 2). The influence of
Hungavit on height or radial increment of seedlings was not established.


Leaf and stem biomass of beech seedlings was increasing with dose, and for oak it
was hihest in H1 treatment. An increase of lenght, surface area, volume and number of
root tips with dose was recorded for beech seedlings (Table 5).


With pedunculate oak, the influence of Hungavit is less pronounced: Hungavit application
had a positive influence on the potassium, calcium and magnesium concentrations
in leaves and biomass of leaves and stems.


Key words:Hungavit, pedunculate oak, common beech, nursery, nutritional status,
biomass, root