Journal ArticleDOI
Effect of pencycuron on microbial parameters of waterlogged soil
Reads0
Chats0
TLDR
The metabolically activated microbial population was more suppressed compared to the dormant population and the DCM amendment did not seem to have any counteractive effect on the toxicity of pencycuron on the microbial variables.Abstract:
A laboratory study was conducted to monitor the effect of pencycuron [1-(4-chlorobenzyl)-1-cyclopentyl-3-phenylurea] on microbial parameters of alluvial (AL) soil (Typic udifluvent) and coastal saline (CS) soil (Typic endoaquept) under waterlogged condition. Pencycuron at field rate (FR), 2FR and 10FR affected the microbial biomass C (MBC), soil ergosterol content and fluorescein diacetate hydrolyzing activity (FDHA) differentially. The DCM amendment did not seem to have any counteractive effect on the toxicity of pencycuron on the microbial variables. The change in microbial metabolic quotient (qCO2) and microbial respiration quotient (QR), indicated pencycuron induced disturbance at 10FR. Present study revealed that the metabolically activated microbial population was more suppressed compared to the dormant population.read more
Citations
More filters
Fluorescein diacetate as a stain of metabolically active bacteria in soil [garden soil, sandy soil, sand dune soil, mull, soil from Pinus, Picea and Fagus forest, fluorescence technique, acridine orange staining, fluorescein isothiocyanate staining, plate counts]
TL;DR: Fluorescein diacetate (FDA) was applied as a vital stain to soil bacteria in pure cultures, sterilized soil, and natural soils as discussed by the authors, and nearly 80% of the isolates were stained.
Journal ArticleDOI
Effect of Insecticide-Tolerant and Plant Growth-Promoting Mesorhizobium on the Performance of Chickpea Grown in Insecticide Stressed Alluvial Soils
TL;DR: The present finding suggests that the mesorhizobial isolate endowed with multiple properties could be used to facilitate the productivity of chickpea under insecticidestressed soils.
Journal ArticleDOI
Comparative toxicity of selected insecticides to pea plants and growth promotion in response to insecticide-tolerant and plant growth promoting Rhizobium leguminosarum
TL;DR: Of the various concentrations of the two insecticides, pyriproxyfen showed comparatively more severe toxicity to pea plants by decreasing plant biomass, symbiotic attributes, nutrients (nitrogen and phosphorus) uptake, seed yield and grain protein over the uninoculated control.
Book ChapterDOI
Pesticide Interactions with Soil Microflora: Importance in Bioremediation
TL;DR: The present review focuses on the role of naturally occurring rhizosphere microbes involved in degradation or transformation of insecticides.
References
More filters
Journal ArticleDOI
Correlations between pesticide transformation rate and microbial respiration activity in soil of different ecosystems
TL;DR: In this paper, the initial application of metalaxyl and propachlor to soil was investigated and a regression analysis of pesticide transformation rate and soil respiration activity, coupled with specific soil properties (pH, Corg, and clay content), revealed a positive correlation between K and SIR.
Journal ArticleDOI
The effect of nutrients on the decomposition of the herbicides atrazine and linuron incubated with soil
TL;DR: In this paper, the rates of disappearance of atrazine and linuron when incubated at 22°C with soil or soil containing added nutrient materials were determined with two contrasting soils.
Journal ArticleDOI
Effect of dairy manure and sewage sludge on 14C-pesticide degradation in soil
Journal ArticleDOI
Factor analysis of the relationships between several physico-chemical and microbiological characteristics of some Belgian agricultural soils
TL;DR: In this paper, Belgian agricultural soils, 16 of which had been organically cultivated, were examined for their biochemical and microbiological properties, and close relationships were found between soil respiration and glucose mineralization rates, biomass-C as measured by the fumigation-incubation method, and several enzyme activities.
Journal ArticleDOI
Pencycuron application to soils: degradation and effect on microbiological parameters.
TL;DR: It is concluded that side effects of pencycuron at 10FR on the microbial variables studied were only short-lived and probably of little ecological significance.
Related Papers (5)
Pencycuron application to soils: degradation and effect on microbiological parameters.
Microbial biomass and activity in salt affected soils under arid conditions
Organic matter accumulation and fertilizer-induced acidification interact to affect soil microbial and enzyme activity on a long-term sugarcane management experiment
M. H. Graham,Richard J. Haynes +1 more