2014
DOI: 10.13141/jve.vol6.no3.pp227-232
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Nematode communities act as bio-indicator of status and processes of an agricultural soil ecosystem in Thanh An, Binh Phuoc province

Abstract: Nematode communities in black pepper (Piper nigrum L.) agricultural soil in Thanh An, Binh Phuoc province, were investigated. Soil samples were collected in February 2012 at 9 selected sites belonging to 3 pepper groves. The structure of nematode communities and critical ecological indices were determined to estimate environmental status. 26 genera were found. Of those, plant parasitic nematodes such as Meloidogyne, Helicotylenchus, Hoplolaimus, Psilenchus, and Tylenchidae always appear with high frequency and… Show more

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“…However, the absolute community abundance of the c-p1 group nematode genera in LA was 86% higher than the community abundance in OPP (Table 2). The high percentage of community abundance of the c-p1 group nematode genera in OPP (21%) is related to foodenrichment (Pan et al 2015;Ferris et al 2001) through periodic fertilizer application, and the negative impact occurs on the nematode genera group c-p3-5 which is very sensitive to pollutants (Duong et al 2014) so that the community is low. In contrast to LA, the presence of the c-p1 group nematode genera uses food resources from the decomposition of organic matter from leaf litter and plant twigs that fall to the soil surface (Krashevska et al 2019), but community development is controlled by predators, and omnivores from member nematode genera group c-p4-5 (Sholeha et al 2017;Steel et al 2018).…”
Section: Discussionmentioning
confidence: 99%
“…However, the absolute community abundance of the c-p1 group nematode genera in LA was 86% higher than the community abundance in OPP (Table 2). The high percentage of community abundance of the c-p1 group nematode genera in OPP (21%) is related to foodenrichment (Pan et al 2015;Ferris et al 2001) through periodic fertilizer application, and the negative impact occurs on the nematode genera group c-p3-5 which is very sensitive to pollutants (Duong et al 2014) so that the community is low. In contrast to LA, the presence of the c-p1 group nematode genera uses food resources from the decomposition of organic matter from leaf litter and plant twigs that fall to the soil surface (Krashevska et al 2019), but community development is controlled by predators, and omnivores from member nematode genera group c-p4-5 (Sholeha et al 2017;Steel et al 2018).…”
Section: Discussionmentioning
confidence: 99%