Acorn size influence on the quality of pedunculate oak (Quercus robur L.) one-year old seedlings

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Jovana R Devetaković
Marina Nonić
Bojan Prokić
Mirjana Šijačić-Nikolić
Vladan Popović

Abstract

Pedunculate oak (Quercus robur L.) is one of the most important deciduous tree species in the Serbian and European forests. Different negative factors limit natural regeneration of pedunculate oak forests, so producing of high quality seedlings becomes imperative to ensure successful forest restoration. This research was conducted with to aim to determine whether acorn size is related to seedlings quality. Acorns were collected from the natural pedunculate oak forest and divided into two groups by their size. Acorns were sown in the spring into plastic containers after five months cold storage. Size of acorns was in the standard species range, though germination was low (< 20 %). Germination was more then double in group of large acorns in comparison to group of smaller acorns (19.2 %, respectively 8.6 %). Height and root collar diameter of produced seedlings were lower than seedlings produced in seedbeds in commercial nurseries in Serbia, but it was in range of container produced seedlings in some similar researches. Height to root collar diameter ratio and shoot to root ratio were considered as satisfactory for containerized seedlings. There was not strong correlation between acorn size and seedlings quality attributes.

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How to Cite
Devetaković, Jovana R, Marina Nonić, Bojan Prokić, Mirjana Šijačić-Nikolić, and Vladan Popović. “Acorn Size Influence on the Quality of Pedunculate Oak (Quercus Robur L.) One-Year Old Seedlings ”. REFORESTA, no. 8 (December 31, 2019): 17-24. Accessed May 30, 2020. http://journal.reforestationchallenges.org/index.php/REFOR/article/view/115.
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