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Cited by 8Plant tissue culture and regenerationPlant Physiology and Cultivation StudiesGrowth and nutrition in plants

Micropropagation of valuable walnut genotypes for timber production: new advances and insights

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Licea-Moreno, Ricardo Julian, Fira, Alexandru, Chocov, Georgi·2020·Annals of Silvicultural Research
DOI 10.12899/asr-1932
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Abstract

The intensive production of timber from walnuts is mainly hampered by the scarcity of varieties for this purpose. While the hybrid progeny Mj209xRa is considered suitable for timber production in Europe, problems associated with its recalcitrance, the low ability for rooting and the high mortality of acclimated vitroplants, limit the reproduction of elite trees. This research was aimed to assess the influence of two methods for the in vitro introduction of several walnut genotypes, to determine the effects of temporary immersion systems (TIS) on proliferation and rooting, and to reduce the random losses of acclimated vitroplants. Hence, trees from Mj209xRa progeny as well as some common walnuts were used. As an outstanding result, the in vitro establishment of 6 out of 7 trees was obtained. Also important was the improving of quality of microshoots, the multiplication ratios and the rooting using TIS through the management of the kind of bioreactor, the volume of culture media, and the kind of explant inoculated. The direct transplant to field nursery of acclimated vitroplants considerably increased their quality, while mortality was highly reduced. Certainly, these results represent a great contribution to the current micropropagation protocol, especially with the potential introduction of TIS for massive plant production

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  • Micropropagation of all species of Juglans genus is very difficult, but it is widely used for mass propagation of Persian walnuts.

    “Micropropagation of all species of Juglans genus is very difficult, but it is widely used for the mass propagation of Persian walnuts.”

    From Growth, photosynthetic function, and stomatal characteristics of Persian walnut explants in vitro under different light spectra (2023) · cites this paper as Julian et al., 2020

    The Abstract (page not given) describes recalcitrance and rooting difficulties for a particular walnut hybrid, supporting the claim that micropropagation can be difficult. It does not extend that difficulty to all Juglans species or say that micropropagation is widely used for mass propagation of Persian walnuts; the References list work on Juglans regia but do not establish widespread use. (LLM, conf=0.81)

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Research works printed but not linked: 30

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  25. Jesus Fernandez-Moya, Ricardo Julian Licea-Moreno, Ignacio Urban-Martinez, Ruth M. Castro-Fernandez, Cristina Ramirez Lopes-Ramallal, Clonal effect on rooting and acclimation rates for in-vitro micropropagation in hybrid walnut (Juglans x intermedia Mj 209): preliminary observations , Annals of Silvicultural Research: Vol. 44 No. 1 (2020): Special Issue: HORIZON 2020 GA 728086 WOODnat "Second generation of planted hardwood forests in the EU"
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Cited by

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Authors
Licea-Moreno, R. J., Fira, A., & Chocov, G.
Affiliations
  • Bosques Naturales S. A Ave. de la Vega,1, Edif. 3 , Alcobendas 28108 Spain
  • Industrial Plants OOD Kazanlak Bulgaria
Venue
Annals of Silvicultural Research
Publisher
CREA - DC
Published
2020-02-10
Volume
44
Issue
1
Pages
5-13
ISSN
2284-354X (ISSN-L)
DOI
10.12899/asr-1932
OpenAlex
W3013203201
Cited by
8
References
0
Citations by year
2024: 2 · 2023: 3 · 2022: 2 · 2021: 1
FWCI
0.49
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Annals of Silvicultural Research (publishedVersion, cc-by)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
  • Annals of Silvicultural Research (cc-by)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Plant tissue culture and regeneration
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Physiology and Cultivation Studies
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Growth and nutrition in plants
Keywords
Juglans regia, micropropagation, temporary immersion system, acclimatization, in vitro rooting, recalcitrance, timber production

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