The Effect of Diflufenican and Its Mixture with S-metolachlor and Metribuzin on Nitrogenase and Microbial Activity of Soil under Yellow Lupine (Lupinus luteus L.)

Niewiadomska, Alicja; Skrzypczak, G.; Sobiech, Łukasz; Wolna-Maruwka, Agnieszka; Borowiak, Klaudia; Budka, Anna

doi:10.15832/ankutbd.446412

Cited by 4 publications

(4 citation statements)

References 33 publications

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“…Thirty and 45 days after soil treatment, the number of actinomycetes either significantly increased or remained at the control level. In contrast, a negative response was reported by Niewiadomska et al (2018) in their study using the yellow sweet clover. They applied metribuzin in combination with diflufenican, which reduced the number of actinomycetes by 46% and the negative trend persisted in all experimental variants.…”

Section: Discussionmentioning

confidence: 78%

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Microbial activity in different soils in response to metribuzin treatment

et al. 2019

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The effect of metribuzin on soil microorganisms and their enzymatic activity, as well as the amount of metribuzin residues, greatly depend on the type of soil and its physico-chemical properties. A laboratory experiment was set up to determine the effects of metribuzin on different groups of microorganisms and dehydrogenase activity in loamy and sandy soils. The amounts of metribuzin residues in those soils were also determined. The following concentrations were tested: 12.0, 24.0, 120.0 and 1200.0 mg a.i. kg-1 soil. Samples were collected 3, 7, 14, 30 and 45 days after metribuzin application. Metribuzin acted inhibitively on total bacteria counts in both types of soil: 6.9% in loamy and 7.9% in sandy soils. Actinomycetes counts decreased over the first 14 days after metribuzin treatment by 15.6% in loamy and 8.1% in sandy soil. However, starting with the 30 th post-treatment day, their number either increased or remained at the control level. Fungi counts increased by 6.0% seven days after the application of the two highest concentrations. In sandy soil, fungi counts were significantly reduced by 29%. Metribuzin treatment significantly reduced the activity of dehydrogenase enzyme in both types of soil. Only the highest test concentration applied to the sandy soil showed a stimulating effect (33.2 %). Degradation data showed that the measured amounts of metribuzin decreased over time in both types of soil at all four test concentrations. The results showed that the extracted amounts of metribuzin active ingredient at all its test concentrations were greater in the sandy type of soil. Loamy soil was shown to have a better sorption capacity due to its higher contents of organic matter and clay.

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Section: Discussionmentioning

confidence: 78%

“…The extent and direction of such influence depend on a variety of factors. Those are primarily the rate of metribuzin application, duration of exposure, climatic and edaphic factors, and type of microbiological parameters under scrutiny (Niewiadomska et al, 2018).…”

Section: Introductionmentioning

confidence: 99%

Microbial activity in different soils in response to metribuzin treatment

et al. 2019

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“…DHA), where 1% TTC (triphenyl tetrazolium chloride) was used as a substrate. The measurement took place after a 24 incubation at a temperature of 30 o C and a wavelength of 485 nm and it was expressed as μmol TPF (triphenyl formazane)•24 h -1 g -1 dm of soil (Thalmann, 1968). Apart from that, the acid and alkaline phosphomonoesterase (EC 3.1.3.2, PAC/PAL) activity were analysed with the method developed by Tabatabai and Bremner (1969).…”

Section: Soil Enzymatic Activitymentioning

confidence: 99%

An Assessment of the Influence of Selected Herbicides on the Microbial Parameters of Soil in Maize (Zea Mays) Cultivation

Niewiadomska¹,

Sulewska²,

Wolna-Maruwka³

et al. 2018

Appl. Ecol. Env. Res.

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“…Microorganisms and soil enzymes rapidly respond to stresses and are reliable bioindicators of changes in soil ecosystems (Lombard et al 2011 ; Lupwayi et al 2010 ). The presence and retention of pesticides in soil can have adverse consequences for the soil environment (Mahapatra et al 2017 ; Niewiadomska et al 2018 ). In most cases, pesticides inhibit the activity of soil-dwelling microorganisms.…”

Section: Introductionmentioning

confidence: 99%

Microbiological and biochemical properties of soil polluted with a mixture of spiroxamine, tebuconazole, and triadimenol under the cultivation of Triticum aestivum L.

Baćmaga

Kucharski

2019

Environ Monit Assess

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Pesticide contamination is one of the most serious threats for agricultural soils. Excessive pesticide levels in soil can exert negative effects on soil-dwelling organisms by decreasing their bioavailability and, consequently, lowering soil quality. This study aimed to evaluate the effect of a mixture of spiroxamine, tebuconazole, and triadimenol (S + Te + Tr) on the biological activity of soil determined based on the proliferation of microorganisms and their diversity, enzymatic activity of soil, and resistance of Triticum aestivum L. A pot experiment was performed on sandy loam (pH 7.0) treated with four doses of the tested active ingredients: 0.000, 0.092, 2.76, 13.80, and 27.60 mg kg −1 . Soil without the fungicide served as the control sample. The tested fungicide induced changes in the biological activity of soil. When administered to the soil in the highest dose (27.60 mg kg −1 DM of soil), it inhibited its biological activity. It significantly inhibited the proliferation of organotrophs, actinomycetes, and fungi, but still the most susceptible to its effects turned out to be fungi. Fungicide dose of 27.60 mg kg −1 decreased counts of organotrophic bacteria, actinomycetes, and fungi by on average 0.009 log, 0.100 log, and 0.282 log, respectively, compared to the control sample. Administration of the S + Te + Tr mixture to soil decreased also values of colony development index (CD) determined for all tested groups of microorganisms. Values of the ecophysiological diversity index (EP) decreased in the case of organotrophs and actimomycetes and increased in the case of fungi. The S + Te + Tr mixture inhibited activities of dehydrogenases, urease, and acid phosphatase. Significant changes were also reported in the growth of spring wheat. The resistance index (RS) calculated based on plant yield demonstrated spring wheat to be very susceptible to the tested preparation administered to soil in doses of 13.80 and 27.60 mg kg −1 .

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The Effect of Diflufenican and Its Mixture with S-metolachlor and Metribuzin on Nitrogenase and Microbial Activity of Soil under Yellow Lupine (Lupinus luteus L.)

Cited by 4 publications

References 33 publications

Microbial activity in different soils in response to metribuzin treatment

Microbial activity in different soils in response to metribuzin treatment

An Assessment of the Influence of Selected Herbicides on the Microbial Parameters of Soil in Maize (Zea Mays) Cultivation

Microbiological and biochemical properties of soil polluted with a mixture of spiroxamine, tebuconazole, and triadimenol under the cultivation of Triticum aestivum L.

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