Effects of the herbicide mesotrione on soil enzyme activity and microbial communities

Du, Zhongkun; Zhu, Yanyan; Zhu, Lusheng; Zhang, Ji; Li, Bing; Wang, Jinhua; Wang, Jun; Zhang, Cheng; Cheng, Chao

doi:10.1016/j.ecoenv.2018.08.075

Cited by 94 publications

(38 citation statements)

References 34 publications

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“…This variable results of two different treatment pairs on alkaline phosphatase might be explained by primarily different mechanisms that pesticide degradation products were responsible for inhibition to alkaline phosphatise (T2 as collated with T1) or the shift in the composition of the soil microbial community contributed to the increment in the activity of alkaline phosphatase related to phosphorous bio-availability (T4 as collated with T3) [40] . The stability of urease between two different treatment pairs might imply that this enzyme had not any role in the degradation pathway of the fungicides or no specific substrates in the currently contaminated soil ecosystems, which was similar to the results of Moreno et al [41] on the activities of soil urease affected by different concentration atrazine with different incubation time and Du et al [42] on the same enzyme activities affluenced by mesotrione of different doses at different time interval, but also there existed some cases on the variable activities of urease influenced by pesticides with different concentrations at different time points [43,44] . The higher activity of catalase for T4 attributed not only to the activity of soil microbial microflora, but also contribution of plant root stressed by pathogen Fusarium oxysporum, which help plant overcome the detrimental environment for surviving.…”

Section: Resultssupporting

confidence: 85%

Effects of Fenaminosulf on Growth of Pepper (Capsicum annuum L.), Microbial Communities and Enzymatic Activities of the Soil Infested with Fusarium oxysporum

Ren¹,

Wang²,

Cai³

2021

ijps

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Pepper wilt disease is common in the production of pepper in Guizhou province, China and fenaminosulf is often used to prevent its occurrences in agricultural practices. To estimate the effects of fenaminosulf on the sustainable pepper production, a pot experiment for 93 d was conducted to investigate the effects of fenaminosulf on the growth of pepper (Capsicum annuum L.), microbial communities and enzyme activities of the soil infested with phytopathogen Fusarium oxysporum. Four treatments: T1-seeding a week after pathogen inoculation in the soil, T2-seeding and soil drenching of fenaminosulf (at recommended dose) a week after pathogen inoculation in the soil, T3-pathogen inoculation in the soil at the first four to fiveleaf stage of pepper seedling and T4-soil drenching of fenaminosulf (at recommended dose) a week after pathogen inoculation in the soil at the first four to five-leaf stage of pepper seedling were established. The studies showed that T2 and T4 of fenaminosulf application obviously improved pepper survival rate, partially inhibited plant growth and development and significantly reduced soil bacterial quantity, but had no similar effects on the soil activities of catalase, urease and alkaline phosphatase. On the basis of stronger growth potential of plant, larger quantities of bacteria and actinomycetes and higher activities of catalase and alkaline phosphatase in the soil, T4 strategy might be reasonable for the production of pepper in the field where pepper wilt disease usually occurs.

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Section: Resultssupporting

confidence: 85%

Effects of Fenaminosulf on Growth of Pepper (Capsicum annuum L.), Microbial Communities and Enzymatic Activities of the Soil Infested with Fusarium oxysporum

Ren¹,

Wang²,

Cai³

2021

ijps

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“…In previous laboratory test, we have confirmed the control efficacy of fluopyram, compared with major nematicides, such as avermectin, thizaolin and carbosulfan [26]. In this experiment, fluopyram was applied at a dose of 60 g�ha -1 with 200 L�ha -1 irrigation water and a 2 L�h -1 flow velocity that showed substantial control of root-knot nematodes, resulting in 69.51% and 70.22% general mortality at 30 DAT for two continuous field experiments.…”

Section: Discussionsupporting

confidence: 64%

Efficacy of fluopyram applied by chemigation on controlling eggplant root-knot nematodes (Meloidogyne spp.) and its effects on soil properties

Wang

Bangash

et al. 2020

PLoS ONE

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The root-knot nematode ( Meloidogyne spp.) is one of the major challenges in eggplant ( Solanum melongena L.) production. Fluopyram, known to be an effective fungicide, is also used for controlling root-knot nematode. However, in China, little information is currently available regarding the efficacy of fluopyram via chemigation against root-knot nematode and its effects on soil properties. For this, the objective of this work was to test mortality of root-knot nematode, functional diversity of soil microbial community, activity of soil enzyme after fluopyram applicated by chemigation. The results of two field experiments revealed that concentration of 60 g·ha -1 fluopyram applied with 200 L·ha -1 irrigation water at 2 L·h -1 flow velocity was the most effective chemigation parameters for controlling eggplant against root-knot nematode. The functional diversity of the soil microbial community was significantly affected by fluopyram. The activities of soil urease and β —glucosidase decreased during the initial stages but recovered at later stages. In brief, fluopyram has advantageous for the efficient control of root-knot nematode with no deleterious effects on soil properties as well as chemigation is positive for application in karst landscape in Guangxi.

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“…The soil properties were not different between optimum reduced fertilization (OPT) treatments and unfertilized control (CK) and the soil pH, total phosphorus, and total potassium showed no signi cant difference among all treatments under long-term fertilization eld experiment at rice-rice rotation producing area in China (Zhu et al 2019). The activities of urease and acid phosphatase in the mesotrione-treated and control soil were not different from 2nd to 20th day after application (Du et al 2018). AgNPs had minor in uence on the soil physico-chemical properties and enzyme activities (Oca-Vasquez et al 2020).…”

Section: Discussionmentioning

confidence: 99%

Effects of novel bioorganic fertilizer application on soil enzymes and bacterial community in multi-site rice paddies in China

Han

Bai

et al. 2021

Preprint

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Application of the novel bioorganic fertilizer (BIO) is effectively used to inhibit weeds in rice paddies. To identify changes in soil bacterial community and enzymes in response to BIO treatments, field experiments were carried out in five major rice-growing areas in China. The dominant phylogenetic groups recorded included Proteobacteria, Actinobacteria, Bacteroidetes, Firmicutes and Acidobacteria. Anaeromyxobacter, Bacteroides, Bifidobacterium, Escgerichia- Shigella, Geobacter and Haliangium were significantly different and aided in general function (R), amino acid transport, metabolism (E) and transcription (K) clusters between BIO-treatment and untreated control. The soil chemical properties and enzyme activities were less affected by BIO at these study sites. RDA analysis showed that soil bacterial community had a significant positive correlations among northern latitude, eastern longitude, exchangeable K, total K, total P, soil pH, and total N, except for organic matter, hydrolytic N and extractable P. Overall, our work showed that application of BIO does not alter the main community structure and functional diversity of soil bacterial in rice paddies and should be encouraged for use as a sustainable weed management strategy.

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Effects of the herbicide mesotrione on soil enzyme activity and microbial communities

Cited by 94 publications

References 34 publications

Effects of Fenaminosulf on Growth of Pepper (Capsicum annuum L.), Microbial Communities and Enzymatic Activities of the Soil Infested with Fusarium oxysporum

Effects of Fenaminosulf on Growth of Pepper (Capsicum annuum L.), Microbial Communities and Enzymatic Activities of the Soil Infested with Fusarium oxysporum

Efficacy of fluopyram applied by chemigation on controlling eggplant root-knot nematodes (Meloidogyne spp.) and its effects on soil properties

Effects of novel bioorganic fertilizer application on soil enzymes and bacterial community in multi-site rice paddies in China

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