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Morphophysiology, Phenotypic and Molecular Diversity of Auxin-induced Passiflora mucronata Lam. (Passifloraceae)

Overview of attention for article published in Anais da Academia Brasileira de Ciencias, April 2018
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Title
Morphophysiology, Phenotypic and Molecular Diversity of Auxin-induced Passiflora mucronata Lam. (Passifloraceae)
Published in
Anais da Academia Brasileira de Ciencias, April 2018
DOI 10.1590/0001-3765201820160898
Pubmed ID
Authors

JULIANY M. FRANÇA, LUCIMARA R. VENIAL, ELOÁ B. COSTA, EDILSON R. SCHMILDT, OMAR SCHMILDT, PAULA M. BERNARDES, SANDRO D. TATAGIBA, JOSÉ C. LOPES, MARCIA F.S. FERREIRA, RODRIGO S. ALEXANDRE

Abstract

Genetic diversity allows identification of potential intraspecific genotypes in the genus Passiflora. The objective of this study was to examine the morphological and genetic diversity of auxin-induced Passiflora mucronata. The experiments were arranged in a complete randomized block design, with a 9 x 2 factorial arrangement (nine genotypes x presence and absence of auxin, indole-3-butyric acid (IBA)), with four replicates of 16 cuttings. The rooting and vegetative growth responses were variable. Genotype 5 was more responsive in the absence of IBA and genotypes 3, 8 and 9 were more responsive in the presence of IBA. Auxin increased rooting rate and percentage, reducing the average time of root protrusion in eight days. IBA also contributed to increase photosynthesis and dry root and shoot mass in 55.55 and 44.44% of the genotypes, respectively. The highest relative contribution to phenotypic diversity in the absence of auxin was rate (38.75%) and percentage (20.27%) of rooting, whereas in the presence of auxin was stomatal conductance (23.19%) and root dry mass (20.91%). Similarity was found for phenotypic and molecular divergence in the presence of IBA, in which genotypes 1 and 6; genotypes 5, 8 and 9; and genotype 3 were clustered in distinct groups.

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Mendeley readers

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Geographical breakdown

Country Count As %
Unknown 11 100%

Demographic breakdown

Readers by professional status Count As %
Student > Bachelor 3 27%
Student > Doctoral Student 3 27%
Student > Postgraduate 2 18%
Student > Master 2 18%
Unknown 1 9%
Readers by discipline Count As %
Agricultural and Biological Sciences 6 55%
Environmental Science 1 9%
Biochemistry, Genetics and Molecular Biology 1 9%
Engineering 1 9%
Unknown 2 18%