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Plant Systematics and Evolution

, Volume 201, Issue 1–4, pp 179–197 | Cite as

Maternal effects on early juvenile traits inIris pumila (Iridaceae)

  • Branka Tucić
  • S. Avramov
Article

Abstract

The variation in the maternal effects on a number of the earlyIris pumila seedling traits expressed under high and low light levels in a growthroom was studied. A reciprocal crossing design was used for the establishment of 20 full-sib families. Each family consisted of two maternal groups differing only in genotype used as a seed parent. Maternal variation was estimated from the variance between maternal groups within sibships. Two parameters for maternal variation were computed: the maternal effects coefficient m2 and the coefficient of maternal variation CVM. Maternal effects significantly accounted for the phenotypic variation in seed mass and most of the early seedling traits. Light conditions prevailing during the seedling development markedly influenced overall structure of maternal correlations. Implications of maternal correlations on the integration of juvenile phenotype have also been discussed.

Key words

Iridaceae Iris pumila Maternal effects morphological variation juvenile traits phenotypic integration 

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Copyright information

© Springer-Verlag 1996

Authors and Affiliations

  • Branka Tucić
    • 1
  • S. Avramov
    • 1
  1. 1.Department of Evolutionary BiologyInstitute for Biological Research “Siniša Stanković”Belgrade, SerbiaYugoslavia

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