Nematodes as Biological Indicators of Soil Quality in the Agroecosystems

Khanum, Tabassum Ara; Mehmood, Nasir; Khatoon, Nasira

doi:10.5772/intechopen.99745

Cited by 5 publications

(4 citation statements)

References 35 publications

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“…Data on bacterivorous nematodes obtained in this study provide information that nematodes can be used as biological indicators of soil health (Khanum et al, 2022). This is in line with Mulyadi's (2009) statement that nematodes could function as a biological measurement (bioassessment) using certain species or nematode communities as indicators.…”

Section: Effect Of Brassicaceae Plant Waste On Nematode Communitysupporting

confidence: 87%

Effect of Brassicaceae Waste Application on Soil Nematode Community

Ibrahim

Supramana

Giyanto

2022

JPTI

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Brassicaceae are known to contain compounds that are biofumigants. This study aimed to determine the effect of Brassicaceae waste application on soil nematode community. Broccoli leaves and stems (Brassica oleracea var. italic), cabbage leaves and stems (B. oleracea var. capitate), kailan stems (B. oleracea var. alboglabra), radish leaves (Raphanus sativus), and leaves of kamanilan weed (Rorippa indica) were tested in this study. The total glucosinolate content of Brassicaceae waste was estimated using the palladium method with a modified spectrophotometer. The experiment was carried out in polybags containing 500 grams of soil-infested nematodes. Brassicaceae waste (15 grams/polybag) was chopped and mixed into the soil, watered, and polybags were tightly closed for 14 days. The experiment was arranged in a completely randomized design with nine treatments and five replications. The results of the total glucosinolate analysis showed that broccoli, radish, and kamanilan leaves fall into the high category (144.7-185.2 µmol/g); cabbage leaves, cabbage stems, and kailan stems fall into the medium category (52.0-56.0 µmol/g); and broccoli stems fall into the low category (35.4 µmol/g). There was no correlation between total glucosinolate contents and their effect on suppressing soil nematode communities at the applied effluent dose. The population of bacterivorous nematodes increased in each waste treatment, especially in kamanilan leaf treatment (R. indica) which reached 13,008 individuals. These results indicate that kamanilan weed has good potential to improve soil health. The treatment of Brassicaceae waste against soil nematode communities showed a low diversity index, an uneven evenness index, and a high dominance index.

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Section: Effect Of Brassicaceae Plant Waste On Nematode Communitysupporting

confidence: 87%

Effect of Brassicaceae Waste Application on Soil Nematode Community

Ibrahim

Supramana

Giyanto

2022

JPTI

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“…By feeding and excretion, nematodes promote soluble N at 27%. Acrobeles and Rhabditis species, which we detected in olive fields in four provinces, have been reported to cause an increase in the amount of nitrogen in the soil by decomposing different organic materials (Schmidt et al, 2020;Khanum et al, 2021). Thus, by knowing the nematode community structure in soils, average soil conditions and nutrient contests can be estimated for olive orchards.…”

Section: Plant Parasitic Nematodes In Olive Orchardsmentioning

confidence: 88%

Türkiye'de İzmir, Manisa, Balıkesir ve Çanakkale illerinde zeytin alanlarındaki nematodların komünite yapısı

Öztürk¹

2023

Harran Tarım Ve Gıda Bilimleri Dergisi

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In this study, we aimed to determine the nematode diversity in soils from olive orchards in İzmir, Manisa, Çanakkale, and Balıkesir provinces. For this purpose, a survey was carried out in 2021-2022; in each orchard, soil samples were collected from 0-60 cm depth, and nematodes were extracted from collected soils by the modified Baermann Funnel method. Thirty-seven genera of nematodes (Achromodora, Acrobeles, Acrobeloides, Alaimus, Aphelenchus, Aphelenchoides, Boleodorus, Cephalobus, Clarkus, Coslenchus, Ditylenchus, Dorylaimus, Eucephalobus, Filenchus, Geocenamus, Hemicriconemoides, Helicotylenchus, Labronema, Lelenchus, Longidorus, Mesocriconema, Mesodorylaimus, Mesorhabditis, Monhystera, Panagrolaimus, Paratylenchus, Pratylenchus, Pratylenchoides, Psilenchus, Rhabditis, Rotylenchulus, Rotylenchus, Saurtylenchus, Tripyla, Tylenchorhynchus, Tylenchus, Xiphinema) from 21 families were identified in olive-growing areas. According to feeding habitats, nematodes were classified as plant parasitic (19 genera and one plant-parasitic species from fungivore Ditylenchus genera), bacterivores (11 genera), fungivores (3 genera), omnivores (2 genera), and predators (2 genera). Plant-parasitic 27 nematode species (İzmir: 19; Manisa: 16; Balıkesir 15; Çanakkale: 11) were found in soils. The virus vector Longidorus elongatus was among the identified important species. The prevalent plant-parasitic species were Geocenamus brevidens (32%), Filenchus thornei (23%), Helicotylenchus digonicus (29%), while the free-living nematodes were Acrobeloides spp. (100%), Aphelenchus sp. (95.3 %), Cephalobus spp. (97%), and Mesodorylaimus (91.2%). Within bacterivore nematodes, at least one species from the Cephalobidae family was determined in all soil samples.

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“…Again, since c-p1 group nematodes are lowly tolerant to the stress of chemicals and pollutants, their abundance in the soil can provide information about the heavy metal status of the soil (Bongers et al, 1997). For these reasons determining biotic agents' principally nematodes, diversity, and abundance in the soil is important in regulating soil productivity (Ara Khanum et al, 2022).…”

Section: Nematode Community Analysis and Estimation Of The Soil Healt...mentioning

confidence: 99%

Determination of the soil health status of wheat fields in Tekirdağ, Türkiye, based on nematode diversity

ÖZTÜRK,

SİVRİ,

ELEKCİOĞLU

2024

Ege Üniversitesi Ziraat Fakültesi Dergisi

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Objective: A study was conducted in wheat cultivation areas in Tekirdağ to estimate the soil health of fields using nematode biodiversity indices. Material and Methods: In the study, nematode taxa identified in wheat fields were subjected to community and food web analyses and several indices were calculated to determine the health status of soils in sampled areas. Results and Conclusion Nematodes belonging to 41 genera were identified in wheat fields. The mean values of 10 biodiversity indices calculated in each sampled field were as follows; the Maturity index (MI): 2.26±0.28; the Maturity index MI2-5: 2.32±0.33; the Shannon-Weiner diversity index (H′): 2.03±0.24, the Evennes (J′): 0.90±0.06, the Genera Richness index (GR): 8.32±3.17, the Channel index (CI): 91±20.44; the Basal index (BI): 42.35±12.66; the Enrichment index (EI): 41.93±14.3, the Structure index (SI): 33.6±26.49 and the Plant-parasitic (PPI) index: 2.89±0.17. The nematode faunal indices indicate that 21% of surveyed wheat fields have well-developed and 79% have degraded soil profiles.

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Nematodes as Biological Indicators of Soil Quality in the Agroecosystems

Cited by 5 publications

References 35 publications

Effect of Brassicaceae Waste Application on Soil Nematode Community

Effect of Brassicaceae Waste Application on Soil Nematode Community

Türkiye'de İzmir, Manisa, Balıkesir ve Çanakkale illerinde zeytin alanlarındaki nematodların komünite yapısı

Determination of the soil health status of wheat fields in Tekirdağ, Türkiye, based on nematode diversity

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