GROWTH OF HYBRID ASPEN (POPULUS TREMULA × POPULUS TREMULOIDES)IN EXPERIMENTAL PLOTS IN MORAVIA REGIONS

被引：0
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作者：
Čížková, Luďka [1 ]
Dostál, Jaroslav [2 ]
Novotný, Petr [2 ]
机构：
[1] Olšavní 252, Kunovice,686 04, Czech Republic
[2] Výzkumný ústav lesního hospodářství a myslivosti, v. v. i., Strnady 136, 5 - Zbraslav, Praha,156 00, Czech Republic
来源：
Zpravy Lesnickeho Vyzkumu | 2022年 / 67卷 / 01期
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中图分类号：
S [农业科学];
学科分类号：
09 ;
摘要：
The aim of the study was the evaluation of three experimental plots Novosedly, Krnov, Líšná established in Moravia regions (Czech Republic). Progenies of hybrid aspen from controlled pollination (33 progenies of Populus trémula x P tremuloides and 4 progenies of P tremula x P. tremula) were measured at the age of 10, resp. 11 years. Basic quantitative characteristics (height, DBH, stem volume, standing volume) were evaluated and progenies were compared. Best results showed the group of progenies P. tremulax P. tremuloides obtained from crossing of maternal genotypes P trémula selected in previous progeny tests. Standing volume of this group of progenies ranged among 197-295 m3. ha-1 in Novosedly experiment, among 163-225 m3. ha-1 in Krnov experiment. Standing volume of the group of progenies P trémula x P tremuloides with maternal genotypes selected only as plus trees in forest stands ranged among 193-208 m3. ha-1 in Novosedly experiment, among 163202 m3. ha-1 in Krnov experiment. Reference progenies of P. tremula x P. tremula (crossing of parent plus trees from forest stands) planted in Krnov exhibited the lowest standing volume (92-105 m3. ha-1). © 2022. All Rights Reserved.
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