Morphological characterization of a nucellar population from 'Montenegrina' mandarin
Abstract
The tangerine cultivar ‘Montenegrina’ is one of the most important citrus cultivars in state of Rio Grande do Sul, the southernmost state in Brazil. Large morphological variation in citrus species motivated the evaluation of a nucellar population obtained from autopollinated ‘Montenegrina’ mandarins. Plant morphology, leaf and fruit characteristics were described. Albeit coming from nucellar tissue, the evaluated population presented high dissimilarities in tree format, leaf and fruit external appearance. However, with relation to ripening period the fruits of the nucellar population had similar behavior to that of the standard cultivar ‘Montenegrina’, i. e., ripening from the second half of August until October with a ripening index in between 8 and 16. Juice percentage was about 40 %. Consequently it was not possible to distinguish plants, which could eventually be regarded as a new cultivar, from that nucellar population with ripening pattern different from that of the standard cultivar ‘Montenegrina’.
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