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Title:Vpliv vršičkanja na pridelek kanabinoidov in morfološke značilnosti industrijske konoplje (Cannabis sativa L.)
Authors:ID Eržen, Marjeta (Author)
ID Flajšman, Marko (Author)
Files:URL URL - Source URL, visit https://www.dlib.si/details/URN:NBN:SI:spr-OS4I5CDJ
 
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MD5: 35D1E4236FAB32BD3676E87E568BD3E2
 
Language:Slovenian
Typology:1.01 - Original Scientific Article
Organization:Logo IHPS - Slovenian Institute of Hop Research and Brewing
Abstract:Za boljši pridelek socvetja in bujnejšo rast konoplje se izvajajo različne tehnike pridelave. Ena od tehnik je rez vrhov ali vršičkanje, s katerim spodbudimo rast lateralnih poganjkov in omogočimo višji pridelek socvetja na rastlino. V raziskavo smo vključili pet dvodomnih sort in pet feminiziranih sort / žlahtniteljskih linij industrijske konoplje (Cannabis sativa L.), pri katerih smo preučevali vpliv vršičkanja v vegetativni fazi na vsebnost kanabinoidov, maso socvetja, višino rastlin in maso stebel. Vpliv vršičkanja na vsebnost kanabinoidov ni bil univerzalen, prav tako ni bilo statistično značilnih razlik med dvodomnimi in feminiziranimi sortami v tem parametru. Najvišja celokupna vsebnost CBD in najvišji povprečni pridelek CBD/rastlino je bil pri vršičkanih rastlinah sorte Midwest (14,3 % in 42,5 g/rastlino), najvišja celokupna vsebnost CBG in najvišji povprečni pridelek CBG/rastlino je bil pri vršičkanih rastlinah sorte Berry Blossom (8,3 % in 41,3 g/rastlino), najvišja celokupna vsebnost THC in najvišji pridelek THC/rastlino je bil pri vršičkanih rastlinah sorte Tiborszallasi (0,8 % in 1,8 g/rastlino). Vršičkane rastline so bile v povprečju za 6 cm nižje od nevršičkanih rastlin. Najvišje rastline so bile nevršičkane rastlina sorte Fibranova (357 cm), najnižje pa vršičkane rastline sorte Midwest (152 cm). Feminizirane sorte so bile za 129 cm nižje od dvodomnih. Pridelek suhega socvetja je bil pri večini sort večji pri vršičkanih rastlinah, pri katerih je najvišji pridelek dosegla feminizirana sorta Enectaliana (227 g). Med feminiziranimi sortami/linijami in dvodomnimi sortami v pridelku suhega socvetja ni bilo razlike. Razmerje med maso suhih socvetij in maso suhih stebel je pokazalo, da je v večini primerov masa suhih socvetij večja od mase suhih stebel. Izjema je bila pri sorti Northwest, pri kateri je bila masa stebla višja. Z raziskavo smo potrdili, da ima vršičkanje kot ukrep pomembno vlogo pri morfologiji konoplje, pri čemer je lahko močno odvisen od sorte.
Keywords:Cannabis sativa L., konoplja, kanabinoidi, pridelek, vršičkanje
Publication date:19.12.2025
Year of publishing:2025
Number of pages:str. 60-71
Numbering:Št 32
PID:20.500.12556/DiRROS-27854 New window
UDC:633.522
ISSN on article:2536-1988
COBISS.SI-ID:262348547 New window
Copyright:Inštitut za hmeljarstvo in pivovarstvo Slovenije
Note:Nasl. z nasl. zaslona; Opis vira z dne 19. 12. 2025;
Publication date in DiRROS:26.02.2026
Views:86
Downloads:53
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Record is a part of a journal

Title:Hmeljarski bilten
Publisher:Inštitut za hmeljarstvo in pivovarstvo Slovenije (IHPS), = Slovenian Institute of Hop Research and Brewing (IHPS)
ISSN:2536-1988
COBISS.SI-ID:287262720 New window

Licences

License:CC BY 4.0, Creative Commons Attribution 4.0 International
Link:http://creativecommons.org/licenses/by/4.0/
Description:This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.
Licensing start date:01.01.2025

Secondary language

Language:English
Title:Comparison of cannabinoid yield among dioecious and feminized varieties of hemp (Cannabis sativa L.)
Abstract:Various techniques are used to improve the yield and vigor of hemp plants. One such technique is topping, which promotes the growth of lateral branches and increases yield per plant. In this study, we used ten industrial hemp (Cannabis sativa L.) varieties to investigate the effect of topping on cannabinoid content, inflorescence mass, plant height, and stem mass. The experiment included five dioecious and five feminized varieties. The highest total CBD content was observed in topped plants of the variety Midwest (14.3% and 42.5 g/plant), the highest total CBG content in topped plants of Berry Blossom (8.3% and 41.3 g/plant), and the highest total THC content in Tiborszallasi (0.8% and 1.8 g/plant). Topped plants were generally shorter for 6 cm than non-topped plants. The tallest plants were non-topped Fibranova (357 cm), while the shortest were topped Midwest (152 cm). Feminized varieties were for 129 cm shorter than dioecious ones. The yield of dry inflorescences was, in most varieties, higher in topped plants (e.g., Enectaliana, 226,9 g). There was no significant difference in inflorescence yield between feminized and dioecious varieties. The ratio between dry inflorescence mass and dry stem mass showed that, in most cases, the mass of dry inflorescences exceeded that of dry stems. An exception was the variety Northwest, where stem mass was higher. This study confirmed that topping plays an important role in hemp morphology, although its effect can be highly dependent on the variety.
Keywords:Cannabis sativa L., hemp, cannabinoids, yield, topping


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  1. Hmeljarski bilten

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