Enhancement of adventitious root differentiation and growth of in vitro grapevine shoots inoculated with plant growth promoting rhizobacteria

Authors

  • M. Muganu Department of Agriculture, Forests, Nature and Energy (DAFNE), University of Tuscia, Viterbo, Italy
  • M. Paolocci Department of Agriculture, Forests, Nature and Energy (DAFNE), University of Tuscia, Viterbo, Italy
  • C. Bignami Department of Agricultural and Food Sciences, University of Modena and Reggio Emilia, Italy
  • E. Di Mattia Department of Agriculture, Forests, Nature and Energy (DAFNE), University of Tuscia, Viterbo, Italy

DOI:

https://doi.org/10.5073/vitis.2015.54.73-77

Keywords:

Vitis vinifera, micropropagation, rooting, biotization, Burkholderia spp.

Abstract

The effect of Burkholderia spp. strain IF25 on adventitious rooting was evaluated in micropropagated grapevine explants. Data on rooting time, stem length, number of stem nodes, basal callus development, number of roots and root length per rooted microcutting were detected at 6, 8, 10, 13, 19, 26 and 30 days after bacterial inoculation. Results suggest that bacterization of in vitro grapevine explants by strain IF25 affected root differentiation, as the earliest rooting occurred in inoculated shoots, whether or not exogenous IBA had been applied, and increased the average number of roots per explant.



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Published

2015-10-08

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