Arbuscular Mycorrhizal Fungi Alleviate Drought Stress in C₃ (Leymus chinensis) and C₄ (Hemarthria altissima) Grasses via Altering Antioxidant Enzyme Activities and Photosynthesis.

ABSTRACT: As one of the most important limiting factors of grassland productivity, drought is predicted to increase in intensity and frequency. Greenhouse studies suggest that arbuscular mycorrhizal fungi (AMF) can improve plant drought resistance. However, whether AMF can improve plant drought resistance in field conditions and whether the effects of AMF on drought resistance differ among plants with different photosynthetic pathways remain unclear. To evaluate the effect of indigenous AMF on plant drought resistance, an in situ rainfall exclusion experiment was conducted in a temperate meadow in northeast China. The results showed that AMF significantly reduced the negative effects of drought on plant growth. On average, AMF enhanced plant biomass, photosynthetic rate (A), stomatal c

SUBMITTER: Li J 

PROVIDER: S-EPMC6503820 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature