Pošlji prispevek (e-pošta) Vpliv pedo-klimatskih razmer na pridelek in morfološke lastnosti stebel 10 evropskih sort navadne konoplje (Cannabis sativa L.)
Povzetek
Šest dvodomnih (Antal, KC Dóra, Kompolti hibrid TC, Monoica, Tiborszallasi in Tisza) in štiri enodomne (Fedora 17, Futura 75, Santhica 27 in USO 31) evropske sorte navadne konoplje smo sejali pri gostoti 300 kalivih semen na m2 na medvrstno razdaljo 12,5 cm v letih 2017 do 2019 z namenom ovrednotiti pridelek svežih in suhih stebel ter določiti nekatere druge morfološke lastnosti stebel. Fitofarmacevtska sredstva za zatiranje plevelov, bolezni ali škodljivcev med rastjo rastlin niso bila uporabljena. Največji pridelek svežih in suhih stebel je dosegla sorta Antal, in sicer 12,3 t ha-1 in 5,3 t ha-1, sledili sta sorti Futura 75 in Tiborszallasi. Najmanjši pridelek svežih in suhih stebel je dosegla enodomna sorta USO 31 (6,0 and 2,6 t ha-1). Dvodomne sorte so imele v povprečju višja in debelejša stebla od enodomnih sort. Leto pridelave je imelo velik vpliv na vse spremenljivke, še posebno na odstotek plevela v skupni biomasi, ki je bil največji v letu 2019 (77,2 %), ko so bile vremenske razmere najmanj ugodne za pridelavo navadne konoplje. Korelacijska analiza med pridelkom svežih/suhih stebel in odstotkom biomase plevela je bila negativna (-0,85 in -0,83) ter močno statistično značilna (p < 0,001), kar je pokazalo na problem plevelov pri pridelavi navadne konoplje.
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DOI: http://dx.doi.org/10.14720/aas.2020.115.2.1528
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