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Title: | Trichoderma atroviride Enhances Impatiens walleriana Hook. f Growth and Flowering in Different Growing Media | Authors: | Traversari, Silvia Cardarelli, Mariateresa Brambilla, Massimo Cutini, Maurizio Burchi, Gianluca Fedrizzi, Marco Massa, Daniele Orlandini, Alessandro Cacini, Sonia |
Journal: | PLANTS | Issue Date: | 2024 | Abstract: | Trichoderma spp. are widely reported to regulate plant growth by improving nutrient uptake, photosynthesis, and abiotic stress tolerance. However, their possible application for bedding plants is little explored, especially when comparing different growing media. Considering that coconut coir dust is finding broader application in the ornamental plants sector as a peat substitute, this work was aimed to test the combination of Trichoderma atroviride AT10 and coconut coir dust on Impatiens walleriana plants. Four treatments were tested as a mix of: (i) two growing media (70:30), peat:perlite or coconut coir dust:perlite; and (ii) the absence or presence of a T. atroviride treatment. At the end of the production cycle, the biomass and ornamental parameters, leaf pigments, nutrient content of the plant tissues, and Trichoderma abundance were assessed. The results revealed that T. atroviride can readily colonize coir, and the same positive effects of inoculum were found in plants grown on both substrates. The biostimulant effect of T. atroviride was observed as an increase in the aboveground biomass, number and weight of flowers, pigments and nutrient concentration, thereby improving the commercial quality of I. walleriana. Thus, T. atroviride has shown its potential in making bedding plant cultivation more sustainable and improving the yield and aesthetic parameters of plants grown on peat and coconut coir dust substrates. |
URI: | http://hdl.handle.net/2067/52661 | ISSN: | 2223-7747 | DOI: | 10.3390/plants13050583 |
Appears in Collections: | A1. Articolo in rivista |
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2024_Traversari_Plants.pdf | 1.88 MB | Adobe PDF | Request a copy |
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