Czasopisma Instytutu Hodowli i Aklimatyzacji Roślin
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    STUDY OF THE EFFECT OF LOW TEMPERATURES AND CALCIUM CHLORIDE TREATMENT ON THE GERMINATION OF IRANIAN AND EUROPEAN BARLEY CULTIVARS

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    Low temperature stress is one of the limiting factors of seed germination. In order to investigate the effect of lowtemperatures on germination of barley cultivars, identification of traits related to low temperature stress at germinationstage and the effect of calcium chloride on these traits, 44 Iranian and European barley cultivars were evaluatedin a factorial experiment within completely randomized design with 3 replications in the Laboratory of Plant Physiology,Agronomy and Plant Breeding department, Razi University. The first factor was 44 Iranian and European barleycultivars, the second factor included four temperature (0, 5, 10 and 20°C), and the third factor was the use of calciumchloride (10 mM) and its non-use (distilled water). Analysis of variance showed that there was a significant differencebetween cultivars for all traits except root length and seed vigor. Applying calcium chloride treatment ata concentration of 10 mM did not significantly affect the traits under the studied temperatures. Reducing temperaturefrom 20°C to 10°C and 5°C reduced root length, shoot length, coleoptile length, root number, coefficient of velocityof germination, seed vigor and promptness index. The results of correlation analysis showed that there wasa significant positive correlation between promptness index with average velocity of germination, coefficient ofvelocity of germination and seed vigor, germination percentage and root number in all studied temperatures. Therewas little differentiation between Iranian and European cultivars by both cluster and discriminant analysis

    Kolekcje ozdobnych roślin cebulowych w Zakładzie Doświadczalnym Oceny Odmian w Lisewie

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    Odmiany orientalne w krajowej kolekcji tytoniu uprawnego

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    Klasyfikacja taksonomiczna akcesji pochodzących z Krajowego Centrum Roślinnych Zasobów Genowych — porównanie metod molekularnych

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    Ocena tolerancji wybranych genotypów jarej pszenicy twardej (Triticum durum Desf.) na stres solny

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    Czasopisma Instytutu Hodowli i Aklimatyzacji Roślin
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