![]() ![]() Rhododendron fortunei seedlings inoculated with the Oidiodendron maius strain produced abundant roots ( Wei et al., 2016a), and significantly increased root and stem biomass ( Wei et al., 2016b). Oidiodendron maius is a member of Leotiomycetes and has been isolated from Rhododendron fortunei ( Wei et al., 2020). ![]() ErM fungi are beneficial microorganisms for the growth of lingonberry, which can promote the growth and nutrient absorption of blueberry and reduce the damage to plants under drought, heavy metals, and saline-alkali environments ( Baba et al., 2021 Cai et al., 2021 Mu et al., 2021).Īscomycota is the main fungus involved in the formation of ErM. The fungi associated with lingonberry are called Ericoid mycorrhizal (ErM) fungi ( Lukesova et al., 2015). Since Vaccinium plants usually lack root hairs, most plants are symbiotic with mycorrhizal fungi under natural conditions. Lingonberry juice not only has anti-inflammatory and anti-atherosclerotic properties ( Kivimäki et al., 2012), but can also reduce blood sugar and lipids ( Eid et al., 2014 Marungruang et al., 2020 Ryyti et al., 2020). The berries are rich in vitamins (vitamins A, B, and C), calcium, magnesium, potassium, and phosphorus and have unique polyphenols and a large number of anthocyanins ( Ek et al., 2006). ![]() Its leaves and fruits have antibacterial, anticancer, and antioxidant effects ( Lin et al., 2019). Lingonberry ( Vaccinium vitis-idaea L.) is a low-shrub wild plant growing in the temperate and subtropical regions of the Northern Hemisphere. Overall, these results indicated that the successful coexistence of ErM fungi and lingonberry alleviated the adverse effects of drought stress through higher secondary metabolites and photosynthetic pigment synthesis. Inoculation with LpZL6 decreased lingonberry’s malondialdehyde (MDA) content but increased the superoxide dismutase (SOD) activity. Drought reduced the chlorophyll content and soluble sugar content of lingonberry but increased significantly after inoculation with LpZL6. In addition, inoculation with LpZL6 fungi can improve drought resistance, promote root growth and increase root wet weight by 1157.6%. They also significantly increased the chlorophyll content by 65.6 and 97.8%, respectively. ![]() The results showed that the mycelium of LpZL6 was denser than that of OmFC, and both ErM fungi significantly increased the biomass of lingonberry stems and roots. The use value of ErM fungi was evaluated by inoculating Oidiodendron maius FC ( OmFC) or Lachnum pygmaeum ZL6 ( LpZL6), well-watered (WW) and severe drought stress (SDS). We tried to understand the potential of these two ErM fungi to promote the growth of lingonberry and the strategies to help plants cope with water shortage. In this study, we isolated and identified two ErM fungi that can promote the growth of lingonberry. The application of Ericoid mycorrhizal (ErM) fungi is considered to be an important strategy for increasing plant yield and drought resistance. 3School of Resources and Environmental Science, Northeast Agricultural University, Harbin, China.2School of Forestry, Northeast Forestry University, Harbin, China.1College of Life Science, Northeast Forestry University, Harbin, China.Hu Lou 1,2† Chao Guo 1 Baozhen Fan 1 Rao Fu 2 Heng Su 3 Jie Zhang 1* Long Sun 2* ![]()
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