Arbuscular mycorrhizal fungal diversity increases growth and phosphorus uptake in C3 and C4 crop plants

Article


Frew, Adam. 2019. "Arbuscular mycorrhizal fungal diversity increases growth and phosphorus uptake in C3 and C4 crop plants." Soil Biology and Biochemistry. 135, pp. 248-250. https://doi.org/10.1016/j.soilbio.2019.05.015
Article Title

Arbuscular mycorrhizal fungal diversity increases growth and phosphorus uptake in C3 and C4 crop plants

ERA Journal ID5272
Article CategoryArticle
Authors
AuthorFrew, Adam
Journal TitleSoil Biology and Biochemistry
Journal Citation135, pp. 248-250
Number of Pages3
Year2019
PublisherElsevier
Place of PublicationUnited kingdom
ISSN0038-0717
1879-3428
Digital Object Identifier (DOI)https://doi.org/10.1016/j.soilbio.2019.05.015
Abstract

Most plants associate with arbuscular mycorrhizal (AM) fungi which can enhance their growth and nutrient uptake. Outcomes of the AM symbiosis can be highly variable, depending on soil fertility, plant functional group (C3, C4) and AM fungal diversity. This study assessed the growth and nutrient (C, N, P) responses of two C3 (Triticum aestivum and Hordeum vulgare) and two C4 (Sorghum bicolor and Zea mays) plants to different AM fungal inocula (no AM fungi, single AM fungal species, and four AM fungal species) under high and low P conditions. Higher AM fungal diversity resulted in greater P concentration and aboveground biomass of H. vulgare and S. bicolor. Triticum aestivum did not respond to AM fungi, while Z. mays responded positively but a similar positive response of Z. mays growth and nutrition occured when it was colonised with single or multiple AM fungal species. These findings suggest that, although C3 crop plants are less responsive to AM fungi than C4, some C3 and C4 species can benefit from higher AM fungal diversity in the soil.

KeywordsArbuscular mycorrhizal fungi, mMicrobial diversity, microbial inoculant, phosphorus nutrition, plant functional group
ANZSRC Field of Research 2020300407. Crop and pasture nutrition
310899. Plant biology not elsewhere classified
310703. Microbial ecology
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Byline AffiliationsCharles Sturt University
Institution of OriginUniversity of Southern Queensland
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