Effects of truffle inoculation on a nursery culture substrate environment and seedling of Carya illinoinensis

Huang, Yue; Zou, Jie; Kang, Zongjing; Zhang, Xiaoping; Penttinen, Petri; Li, Xin

doi:10.1016/j.funbio.2021.02.006

Cited by 4 publications

(6 citation statements)

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“…Similar to P. armandii and C. illinoinensis inoculated with Tuber spp. and T. sinoaestivum , respectively ( Zhang et al, 2020 ; Huang et al, 2021 ), the POD activity was higher in the seedlings inoculated with T. melanosporum than in the other treatments. In a previous study, POD activity was higher, and the incidence of pathogenic fungus Microdochium tabacinum was lower in soybeans inoculated with AMF fungi ( Gao et al, 2018 ).…”

Section: Discussionmentioning

confidence: 96%

“…Similar to inoculating Pinus armandii and Carya illinoinensis with Tuber spp. ( Zhang et al, 2020 ; Huang et al, 2021 ), inoculating Q. aliena with T. melanosporum and T. indicum barely affected the plant parameters 6 months after inoculation. However, earlier studies showed that inoculation with Tuber spp.…”

Section: Discussionmentioning

confidence: 97%

“…inoculation were the same as these in C. illinoinensis with Tuber spp. inoculation ( Huang et al, 2021 ). Contrary to α-diversity, the β-diversity of nirS -type denitrifiers in ectomycorrhizosphere soils were different from rhizosphere soils, which may indicate that the Tuber spp.…”

Section: Discussionmentioning

confidence: 99%

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Black Truffles Affect Quercus aliena Physiology and Root-Associated nirK- and nirS-Type Denitrifying Bacterial Communities in the Initial Stage of Inoculation

Kang

et al. 2022

Front. Microbiol.

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Truffles (Tuber spp.) are edible ectomycorrhizal fungi with high economic value. Bacteria in ectomycorrhizosphere soils are considered to be associated with the nutrient uptake of truffles and hosts. Whether Tuber spp. inoculation can affect the growth of Quercus aliena, the ectomycorrhizosphere soil, and the rhizosphere nirK and nirS-denitrifier communities at the ectomycorrhizae formation stage is still unclear. Therefore, we inoculated Q. aliena with the black truffles Tuber melanosporum and Tuber indicum, determined the physiological activity and morphological indices of Q. aliena seedlings, analyzed the physicochemical properties of ectomycorrhizosphere soils, and applied DNA sequencing to assess the nirK and nirS- denitrifier community structure in ectomycorrhizosphere soils. Peroxidase activity was higher in the seedlings inoculated with T. melanosporum than in the T. indicum inoculation and uninoculated control treatments. The available phosphorus contents were lower and nitrate contents were higher in those with truffle inoculation, and T. melanosporum treatment differed more from the control than the T. indicum treatment. The richness of the nirK-community was highest in the T. indicum treatment and lowest in the uninoculated treatment. The differences in nirK-community composition across treatments were not statistically significant, but the nirS communities were different. The nirS-type bacteria correlated with three environmental factors (pH, available phosphorus, and nitrate contents), whereas the nirK-type bacteria were only associated with the nitrate contents. Generally, this work revealed that inoculation with Tuber spp. would change a few nutrient contents and richness of nirK-type bacteria and had little effects on growth of Q. aliena seedlings in the initial stage of inoculation. The results of this study may provide in-depth insights into the relationships between Tuber spp. and hosts, which should be taken into account when developing truffle production methods.

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Section: Discussionmentioning

confidence: 96%

Section: Discussionmentioning

confidence: 97%

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Black Truffles Affect Quercus aliena Physiology and Root-Associated nirK- and nirS-Type Denitrifying Bacterial Communities in the Initial Stage of Inoculation

Kang

et al. 2022

Front. Microbiol.

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show abstract

“…inoculation were the same as these in C. illinoinensis with Tuber spp. inoculation (Huang et al, 2021). Contrary to α-diversity, the β-diversity of nirStype denitrifiers in ectomycorrhizosphere soils were different from rhizosphere soils, which may indicate that the Tuber spp.…”

Section: Discussionmentioning

confidence: 83%