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Effect of Calcium Cyanamide on Soil Fungal Community in Successive Tea-Cuttings Nursery

Author

Listed:
  • Qinli Qiu

    (Tea Research Institute, Zhejiang University, #866 Yuhangtang Road, Hangzhou 310058, China)

  • Dongmei Fan

    (Tea Research Institute, Zhejiang University, #866 Yuhangtang Road, Hangzhou 310058, China)

  • Yinmao Wang

    (Tea Research Institute, Zhejiang University, #866 Yuhangtang Road, Hangzhou 310058, China)

  • Danyi Huang

    (Tea Research Institute, Zhejiang University, #866 Yuhangtang Road, Hangzhou 310058, China)

  • Yu Wang

    (Tea Research Institute, Zhejiang University, #866 Yuhangtang Road, Hangzhou 310058, China)

  • Junhui Ma

    (Lishui Agricultural Bureau, Lishui 323000, China)

  • Xiaochang Wang

    (Tea Research Institute, Zhejiang University, #866 Yuhangtang Road, Hangzhou 310058, China)

Abstract

The effects of calcium cyanamide on the soil fungal communities in successive tea-cuttings nursery soils were investigated based on Illumina high-throughput sequencing. The field experiment was carried out with three treatments, including control (CK), flooding (F) and calcium cyanamide (CC). The treatment with calcium cyanamide increased pH (~1 unit) and reduced the accumulation of phenols (~50%), available phosphorus (~28%) and exchangeable Al (~90%) significantly, and improved soil quality. The predominant phylum in all treatments was Ascomycota . FUNGuild revealed that the dominant trophic mode was saprotrophy in tea-cuttings nursery soil. Plant pathogens had a low abundance in the calcium cyanamide treatment. Alpha diversity analysis showed lower richness in the calcium cyanamide than the other treatments. Network analysis showed a poorly connected but highly modularized network in the calcium cyanamide treatment, with the crucial OTUs functions related to anti-pathogenicity. The results showed that calcium cyanamide should be recommended for improving long-term tea nurseries by increasing the survival rate of tea seedlings due to increasing soil pH value, reducing aluminum toxicity, decreasing the accumulation of polyphenols, diminishing pathogenic fungi and making the taxa related to anti-pathogenicity occupy a more important niche.

Suggested Citation

  • Qinli Qiu & Dongmei Fan & Yinmao Wang & Danyi Huang & Yu Wang & Junhui Ma & Xiaochang Wang, 2021. "Effect of Calcium Cyanamide on Soil Fungal Community in Successive Tea-Cuttings Nursery," Agriculture, MDPI, vol. 11(8), pages 1-17, July.
    • Handle: RePEc:gam:jagris:v:11:y:2021:i:8:p:716-:d:603943
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    References listed on IDEAS

    as
    1. Muhammad Tayyab & Waqar Islam & Chol Gyu Lee & Ziqin Pang & Farghama Khalil & Sheng Lin & Wenxiong Lin & Hua Zhang, 2019. "Short-Term Effects of Different Organic Amendments on Soil Fungal Composition," Sustainability, MDPI, vol. 11(1), pages 1-13, January.
    2. Meredith D. M. Jones & Irene Forn & Catarina Gadelha & Martin J. Egan & David Bass & Ramon Massana & Thomas A. Richards, 2011. "Discovery of novel intermediate forms redefines the fungal tree of life," Nature, Nature, vol. 474(7350), pages 200-203, June.
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