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ŠUMARSKI LIST 11-12/2010 str. 30     <-- 30 -->        PDF

M. Zebec, M. Idžojtić, I. Poljak, I. Mihaldinec: VARIJABILNOST NIZINSKOG BRIJESTA (Ulmus minor Mill. ... Šumarski list br. 11–12, CXXXIV (2010), 569-580
on populational level: leaf blade length, measured along the shorter side of
lamina, starting from the leaf base to the point of maximum leaf breadth
(PMPW) and leaf blade width at 90 % of leaf blade length, measured along
the shorter side of lamina (PW2). Intrapopulational variability was higher
than the interpopulational one (Table 4), except for the following traits: number
of secondary and tertiary veins in the subapical region of the leaf (NPSV)
and petiole length (PL). According to the results of discriminant and cluster
analysis (Tables 5 and 6, Figures 3 and 4), the most similar populations were
Svibovica, Gotalovo and Banov Brod. Populacija Veliko Polje differed from
other four populations due to strong negative antropogenic influence on its
variability. Differentiation of the northernmost population Varaždin can be
explained through its geographical position and specific habitat.

The results of this study form an initial base for further research of the field
elm in Croatian Drava River valley, where in order to preserve genetic resources
of this species, combined morphometric and molecular survey approach is

Key words: Ulmus minor Mill. sensu latissimo, morphometric variability,
Drava River valley