Summary
Soybean plants were grown in pots with or without vesicular-arbuscular myocorrhizal (VAM) fungi in three soils of low plant-available P content, different texture and different water-holding capacities. Mineral nutrients, except P, were provided in a complete nutrient solution. The biomass of non-VAM plants was positively and fungal colonization negatively correlated with increasingly coarse soil texture. There was no correlation of soil P with host or endophyte growth. Plant growth enhancement was positively correlated with soil water content at −1.5 MPa. These observations suggest soil water status and the mycorrhizal condition interact in influencing plant growth.
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Dakessian, S., Brown, M.S. & Bethlenfalvay, G.J. Relationship of mycorrhizal growth enhancement and plant growth with soil water and texture. Plant Soil 94, 439–443 (1986). https://doi.org/10.1007/BF02374337
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DOI: https://doi.org/10.1007/BF02374337