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    ARTICLE

    Meiotic behavior and pollinic viability in bean cultivars

    Gracieli DALLA NORA, Solange Bosio TEDESCO, Tamara PASTORI, Viviane Dal-Souto FRESCURA*, Nerinéia Dalfollo RIBEIRO, Haywood Dail LAUGHINGHOUSE IV, Sidinei José LOPES, Maria Teresa SCHIFINO-WITTMANN

    BIOCELL, Vol.38, No.1, pp. 33-38, 2014, DOI:10.32604/biocell.2014.38.033

    Abstract The aims of this study were to determine the meiotic behavior and to estimate pollen grains viability in bean (Phaseolus vulgaris L.) cultivars. Flower buds were collected during different developmental stages of the Mesoamerican bean cultivars IAPAR 44, Guapo Brilhante, BRS Expedito, BRS Valente, Guateian 6662 and Pérola, and the Andean bean cultivar Iraí, grown in a greenhouse. The meiotic index was determined by anther squashing of material fixed in absolute ethanol-glacial acetic acid (3:1) and stained with acetic orcein. No meiotic abnormalities were observed and the meiotic indices were high for all cultivars, indicating More >

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