“…The breeding of black locust was focused on the selection of individuals with straight trunks and their vegetative propagation including tissue culture methods (Liesebach et al 2004). Clonal breeding is one of the possibilities to provide material for commercial use (Rédei et al 2002). Family selection may also be promising because of high family heritabilities for biomass, growth and morphological traits (Bongarten et al 1992;Dini-Papanastasi, Panetsos 2000).…”
Section: Discussionmentioning
confidence: 99%
“…Black locust tissue cultures have been successfully performed by many methods in many countries (Chalupa 1992;Dunlun et al 1995). In Hungary experiments with black locust have shown that it is a tree species with the great regenerative potential from root cuttings or tissue culture (Rédei et al 2002). These methods result in excellent uniformity within the clones from the selected trees.…”
Section: Discussionmentioning
confidence: 99%
“…The mean tree volume ( -V m 3 per tree) was calculated using the means of stem volume (h, DBH) for each of the experimental plots (Rédei et al 2002).…”
Section: Methodsmentioning
confidence: 99%
“…So it was necessary to develop techniques for vegetative propagation (with green cuttings, root cuttings and micropropagation) (Rédei et al 2002;Szyp-Borowska et al 2016).…”
Rédei K., Csiha I., Rásó J., Keserű Z. (2017): Selection of promising black locust (Robinia pseudoacacia L.) cultivars in Hungary. J. For. Sci., In Hungary the black locust (Robinia pseudoacacia Linnaeus) is one of the most important exotic stand-forming tree species growing mostly under unfavourable ecological conditions. Considering the climate change effects its importance is increasing also in many other countries. As a result of a selection programme several black locust cultivars have been improved for setting up cultivar trials. In the paper four black locust cultivars were evaluated in Central Hungary under arid hydrological and brown forest soil conditions. Significant differences (P < 5%) were found in height, DBH, mean tree volume and average stem form value (SFV).
“…The breeding of black locust was focused on the selection of individuals with straight trunks and their vegetative propagation including tissue culture methods (Liesebach et al 2004). Clonal breeding is one of the possibilities to provide material for commercial use (Rédei et al 2002). Family selection may also be promising because of high family heritabilities for biomass, growth and morphological traits (Bongarten et al 1992;Dini-Papanastasi, Panetsos 2000).…”
Section: Discussionmentioning
confidence: 99%
“…Black locust tissue cultures have been successfully performed by many methods in many countries (Chalupa 1992;Dunlun et al 1995). In Hungary experiments with black locust have shown that it is a tree species with the great regenerative potential from root cuttings or tissue culture (Rédei et al 2002). These methods result in excellent uniformity within the clones from the selected trees.…”
Section: Discussionmentioning
confidence: 99%
“…The mean tree volume ( -V m 3 per tree) was calculated using the means of stem volume (h, DBH) for each of the experimental plots (Rédei et al 2002).…”
Section: Methodsmentioning
confidence: 99%
“…So it was necessary to develop techniques for vegetative propagation (with green cuttings, root cuttings and micropropagation) (Rédei et al 2002;Szyp-Borowska et al 2016).…”
Rédei K., Csiha I., Rásó J., Keserű Z. (2017): Selection of promising black locust (Robinia pseudoacacia L.) cultivars in Hungary. J. For. Sci., In Hungary the black locust (Robinia pseudoacacia Linnaeus) is one of the most important exotic stand-forming tree species growing mostly under unfavourable ecological conditions. Considering the climate change effects its importance is increasing also in many other countries. As a result of a selection programme several black locust cultivars have been improved for setting up cultivar trials. In the paper four black locust cultivars were evaluated in Central Hungary under arid hydrological and brown forest soil conditions. Significant differences (P < 5%) were found in height, DBH, mean tree volume and average stem form value (SFV).
“…Each treatment corresponds to a plot of 15 by 20 m. For the clones one-year-old micropropagated plants were used and one-year-old seedlings for common black locust. Plant tissue culture method provided us with an effective means to accelerate vegetative propagation of the newly selected clones and to establish new clone trials (Rédei et al 2002).…”
-In Hungary black locust (Robinia pseudoacacia L.) is considered as an important exotic stand-forming tree species growing mostly under unfavourable ecological conditions for forest management. Due to climate change effects its importance is increasing in many other countries, too. As a result of a selection programme new black locust clones were tested in clone trials. Juvenile growth and the morphological as well as phenological traits of four micropropagated black locust clones were evaluated in central Hungary under dry site conditions. Significant differences (P<5%) were found for DBH and field survival rate values. At age of 7 the clone R.p. 'Bácska' ('KH 56A 2/5') appears to be especially promising for mass propagation. Tissue culture can be considered as a suitable tool for propagating superior individuals and offers new prospects for the rapid cloning of selected genotypes used for plantation forestry.Black locust (Robinia pseudoacacia L.) / clone trial / juvenile growth / micropropagation Kivonat -Mikroszaporított fehér akác (Robinia pseudoacacia L.) klónok fiatalkori növekedése és morfológiai jellemzői száraz termőhelyeken. Magyarországon a fehér akác (Robinia pseudoacacia L.) fontos állományalkotó egzóta fafaj, főként az erdőgazdálkodás számára kedvezőtlen termőhelyeken. A klímaváltozás hatásai miatt a fafaj jelentősége folyamatosan növekszik több más országban is. Egy szelekciós program eredményeként új akác klónokat állítottunk elő klónkísérletek létesítése céljából. Jelen tanulmányban négy mikroszaporítással előállított akác klónt értékeltünk fiatalkori növekedésük, továbbá morfológiai és fenológiai jellemzőik alapján Közép-Magyarországon száraz termőhelyi viszonyok között. Szignifikáns különbséget (P<5%) találtunk a mellmagassági átmérő és a megmaradási értékek tekintetében. 7 éves korban az R.p. 'Bácska' ('KH 56A 2/5') klón különösen ígéretesnek tűnik a tömegszaporításra. A szövettenyésztéses szaporítási eljárás megfelelő eszköznek tekinthető az ültetvényes fatermesztés területén kiváló minőségű egyedek klónos elszaporítására, új távlatokat nyújtva ezzel a kiválasztott genotípusok gyors klónozására.Fehér akác (Robinia pseudoacacia L.) / klónkísérlet / fiatalkori növekedés / mikroszaporítás
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