Pošlji prispevek (e-pošta) Vpliv velikosti in staranja semena navadne leče (Lens culinaris Medik.) na njeno uspevanje v poljskem poskusu pri različnih režimih namakanja
Povzetek
Semena navadne leče (Lens culinaris ‘Kimia’) so bila pred setvijo razdeljena na večji podvzorec (S1) in manjšega, ki je bil razdeljen na velika (S2) in mala (S3) semena. Podvzorec semen vseh velikost je bil vzet kot kontrola, oziroma kot vitalna semena (A1), ostala dva podvzorca semen sta bila umetno starana 2 in 4 dni (A2 in A3, vzorca). Uspevanje semen je bilo v poljskem poskusu ovrednoteno v sezonah 2011 in 2012. Komponente pridelka in pridelka zrnja leče so upadale z zmanjševanjem dostopnosti vode. Največje vrednosti komponent pridelka (razen mase 1000 zrn) in pridelka zrnja na enoto površine so bile dosežene z rastlinami iz velikih semen. Superiornost rastlin iz velikih semen v pridelku zrnja je bila še bolj očitna v razmereh omejenega namakanja v primerjavi z dobro zalitimi rastlinami. Staranje semen je povzročilo slabšo vzpostavitev sestoja posevka in posledično manjši pridelek zrnja na enoto površine. Rastline iz velikih semen so imele manjše zmanjšanje pridelka na enoto površine v primerjavi s tistimi iz staranih manjših semen in semen enotnega vzorca. Izgleda, da setev velikih semen pri navadni leči nekako zmanjša škodljive učinke sušnega stresa in staranja semen na pridelku zrnja na enoto površine.
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DOI: http://dx.doi.org/10.14720/aas.2014.103.2.1
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