Ovrednotenje učinka datuma setve in sušnega stresa na morfološke in funkcionalne lastnosti treh genotipov ozimne oljne ogrščice (Brassica napus L.)

Seyyed Hamid REZA RAMAZANI, Reza TAHERPOUR KALANTARI

Povzetek


Za ovrednotenje učinka datuma setve in sušnega stresa na fenološke in morfološke lastnosti ter lastnosti pridelka treh sort ozimne oljne ogrščice (Brassica napus L.) je bila v rastni sezoni 2016-2017 izvedena raziskava na kmetijski šoli Sarayan, Univerze v Birjandu, Iran. Poskus je bil izveden kot popolni naključni bločni poskus z deljenkami, s sušnim stresom na glavnih ploskvah in tremi datumi setve na podploskvah (September 22, Oktober 6, and Oktober 22), s tremi sortami oljne ogrščice (‘Homolious’, ‘Hayola50’, and ‘DK7070CL’) s tremi ponovitvami. Rezultati analize variance in primerjava poprečij so pokazali značilne negativne učinke sušnega stresa na pridelek semen in parametre biološkega pridelka vseh preučevanih sort oljne ogrščice. Medsebojni učinek sušnega stres, datuma setve in sorte je bil značilen samo za lastnost zvijanja listov pri 1 % verjetnosti. Sorta ‘Homolious’ je bila prepoznana kot na sušni stres najbolj odporna na osnovi parametrov kot so SI, SSI, RDI, TOL, MP, STI, GMP, YI, YSI in HARM-ov indeks tolerance na sušo, sorta ‘Hayola50’ je bila prepoznana kot na sušni stres najbolj občutljiva sorta oljne ogrščice.

Ključne besede


oljna ogrščica; suša; datum setve; selekcijski kriteriji; indeks tolerance

Celotno besedilo:

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Literatura


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DOI: http://dx.doi.org/10.14720/aas.2019.113.1.06

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