Abstract
Penicillium pinophilum was isolated from the soil in a commercial strawberry field. The strain readily formed arbuscular mycorrhizae (AM) with the roots of strawberry ‘Zoji’ (Fragaria × ananassa Duch. CV.) when plants were inoculated with either fresh cultured hyphae or root/soil mixtures. Fresh hyphae, however, resulted in higher amounts of colonization than root/soil inoculum. Compared with uninoculated strawberries, inoculation increased plant dry weight by 31%, as well as nitrogen content (47%), phosphorus content (57%), and photosynthetic rate (71%). AM inoculation also shortened the blossom and ripening date by 3 and 4 days, respectively. This is the first report of a P. pinophilum strain resulting in mycorrhiza with strawberry roots. The significant advantages of this strain are that it is easy to culture and inoculation of plants results in significant growth benefits that may be useful in strawberry production.
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Acknowledgements
The project was supported by the Science and Technology Planning of Liaoning Province, China (Grant No. 2006201004). The authors wish to thank Prof. Hanson from Michigan State University for proofreading the manuscript.
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Fan, Y., Luan, Y., An, L. et al. Arbuscular mycorrhizae formed by Penicillium pinophilum improve the growth, nutrient uptake and photosynthesis of strawberry with two inoculum-types. Biotechnol Lett 30, 1489–1494 (2008). https://doi.org/10.1007/s10529-008-9691-8
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DOI: https://doi.org/10.1007/s10529-008-9691-8