The Short-Term Effects of Amendments on Nematode Communities and Diversity Patterns under the Cultivation of Miscanthus × giganteus on Marginal Land
Stefanovska T. Skwiercz A. Pidlisnyuk V. Zhukov O. Kozacki D. Mamirova A. Newton R.A. Ust’ak S.
September 2022MDPI
Agronomy
2022#12Issue 9
The short-term effects of soil amendments on the structure, diversity and function of a nematode community of Miscanthus × giganteus was investigated. Crop was cultivated on marginal, nutrient-poor land amended with biochar in single and double doses (BD1 and BD2), biogas digestate (D), sewage sludge (SS), and hemicellulose waste (HW). Sampling was done after planting, in the middle and end of vegetation; morphology-based approach was used. 28 nematode taxa were identified, including 5 bacterivores genera, 4 fungivores genera, 5 herbivores genera (11 species), 2 omnivores genera, 5 predators genera. The general linear models, correspondence analysis and clustering were applied for evaluation. The total abundance of nematode taxa Filenchus, Dorylaimus, Cephalobus, Panagrolaimus, Aphelenchus, and Ditylenchus was depended on the sampling time and amendments. The incorporation of amendments affected nematode food web and resulted in suppression of plant-parasitic nematodes (PPNs). It was revealed that community structure was more mature for SS, less stable for D and had inconclusive effects for BD1, BD2, and HW. Using amendments ensured pest control benefits which is important given concern that PPNs can inflict crop damage during increased cultivation of M × g. Further research is needed to examine amendments which can minimise PPNs without reducing populations of nitrogen-fixing bacterivores and fungivores.
Miscanthus × giganteus , nematode faunal analysis , nematode functional diversity , plant-parasitic nematodes , soil amendments , soil food web
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Department of Entomology, Integrated Pest Management and Plant Quarantine, The National University of Life and Environmental Sciences, Kyiv, 03041, Ukraine
Department of Plant Protection, The National Institute of Horticultural Research, Konstytucji 3 Maja 1/3, Skierniewice, 96-100, Poland
Department of the Environmental Chemistry and Technology, Jan Evangelista Purkyně University, Ústí nad Labem, 400 96, Czech Republic
Department of Botany and Horticulture, Bogdan Khmelnytskyi Melitopol State Pedagogical University, Melitopol, 72318, Ukraine
Laboratory of Genetics and Reproduction of Forest Culture, Institute of Genetics and Physiology, SC MES RK, Al-Farabi 93, Almaty, 050060, Kazakhstan
Crop Research Institute, Drnovská 507/73, Ruzyně, Praha 6, Prague, 161 06, Czech Republic
Department of Entomology
Department of Plant Protection
Department of the Environmental Chemistry and Technology
Department of Botany and Horticulture
Laboratory of Genetics and Reproduction of Forest Culture
Crop Research Institute
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