Effect of Baythroid on nitrogen transformations in soil

Lodhi, A.; Nn, Malik; Azam, F.

doi:10.1007/bf00336318

Cited by 5 publications

(2 citation statements)

References 11 publications

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“…Chlorpyrifos at the concentrations of 1.0 and 2.5 kg ha -1 showed marked increase in nitrification in both black and red soil samples, and beyond this concentration, the nitrification reduced gradually and reached minimum at 10.0 kg ha -1 in both soil samples. In contrast, the pesticide, baythroid, at 0.4, 0.8, 1.6, 3.2 and 6.4 ppm significantly inhibited nitrification in a silty clay loam soil during 25 days of incubation (Lodhi et al 1994). At the end of the 2-week incubation, about 22-44% increase in nitrification was observed in black soil and 25-75% increase was observed in red soil treated with chlorpyrifos (Tables 2, 3).…”

Section: Nitrificationcontrasting

confidence: 62%

Effect of insecticides alone and in combination with fungicides on nitrification and phosphatase activity in two groundnut (Arachis hypogeae L.) soils

Srinivasulu

Mohiddin

Subramanyam

et al. 2011

Environ Geochem Health

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The effect of selected pesticides, monocrotophos, chlorpyrifos alone and in combination with mancozeb and carbendazim, respectively, was tested on nitrification and phosphatase activity in two groundnut (Arachis hypogeae L.) soils. The oxidation of ammonical nitrogen was significantly enhanced under the impact of selected pesticides alone and in combinations at 2.5 kg ha(-1) in black soil, and furthermore, increase in concentration of pesticides decreased the rate of nitrification, whereas in the case of red soil, the nitrification was increased up to 5.0 kg ha(-1) after 4 weeks, and then decline phase was started gradually from 6 to 8 weeks of incubation. The activity of phosphatase was increased in soils, which received the monocrotophos alone and in combination with mancozeb up to 2.5 and 5.0 kg ha(-1), whereas the application of chlorpyrifos singly and in combination with carbendazim at 2.5 kg ha(-1) profoundly increased the phosphatase activity after 20 days of incubation, in both soils. But higher concentrations of pesticides were either innocuous or inhibitory to the phosphatase activity.

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Section: Nitrificationcontrasting

confidence: 62%

Effect of insecticides alone and in combination with fungicides on nitrification and phosphatase activity in two groundnut (Arachis hypogeae L.) soils

Srinivasulu

Mohiddin

Subramanyam

et al. 2011

Environ Geochem Health

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“…Cyfluthrin (C 22 H 18 Cl 2 FNO 3 ) is the common name of the active ingredient of Baythroid. Previously, we have reported on the influence of Baythroid on ammonification-nitrification of organic and inorganic N, mineralization-immobilization turnover of inorganic N (Lodhi et al, 1994) and on nitrification inhibition (Lodhi et al, 1996c). Studies have also been reported on the effect of baythroid on plant growth and uptake of nutrients (Lodhi at al., 1996a,b).…”

Section: Introductionmentioning

confidence: 98%

Response of Soil Microflora, Microbial Biomass and Some Soil Enzymes to Baythroid (An Insecticide)

Lodhi¹,

Malik²,

Mahmood³

et al. 2000

Pakistan J. of Biological Sciences

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Laboratory incubation experiments were conducted to study the response of bacterial and fungal population, soil microbial biomass, urease, amylase, invertase and cellulase to Baythroid applied at 0, 0.4, 0.8, 1.6, 3.2 and 6.4 pg gG 1 soil (on an active ingredient basis). Generally, a positive effect on bacterial and fungal population was observed. 'Bacterial population increased from 13 to an average of 25 after 5 days of incubation of soil samples treated with different levels of Baythroid. Baythroid did not have a significant effect on fungal population, which was quite low after 5 days of incubation. After 15 days of incubation, however, Baythroid caused a substantial increase in fungal population although no consistent trends were observed with the rate of application. Carbon dioxide evolution from soil was almost unaffected by Baythroid except at the lowest and the highest levels of addition, where a negative and a positive effect, respectively, was obvious. Cumulative losses of CO 2-C increased by 38% at the highest level of Baythroid. The microbial biomass C varied between 138 and 147 pg CO 2-C gG 1 soil in differently treated soils, a substantially positive effect of Baythroid was observed only at the highest rate of addition, while at lower levels a positive but non-significant effect was observed. Amylase activity increased by a maximum of 91.5% at Baythroid level of 1.6 µg gG 1. At 6.4 µg gG 1 soil Baythroid, however, the activity was reduced by 47.9%. Invertase activity also increased by 110.9% at 1.6 µg Baythroid gG 1 soil followed by a decrease of 40.3% at the highest level tested. Cellulase activity was not much affected, although an increase of 18.5% was observed at 1.6 pg gG 1 soil Baythroid. At the highest level of Baythroid, however, cellulase activity was reduced by 25.9%. Response of urease was almost similar to that of other enzymes. However, maximum increase of 40.9% was achieved at 0.8 pg gG 1 soil Baythroid, while the decrease (9.1%) at higher levels of Baythroid was less pronounced as compared to that for other enzymes. All the four enzymes showed a positive relationship in their response to different rates of Baythroid.

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Growth and nitrogen nutrition of maize (Zea mays L.) in soil treated with the nitrification-inhibiting insecticide Baythroid

Lodhi

Azam

1996

Biol Fertil Soils

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Effect of Baythroid on nitrogen transformations in soil

Cited by 5 publications

References 11 publications

Effect of insecticides alone and in combination with fungicides on nitrification and phosphatase activity in two groundnut (Arachis hypogeae L.) soils

Effect of insecticides alone and in combination with fungicides on nitrification and phosphatase activity in two groundnut (Arachis hypogeae L.) soils

Response of Soil Microflora, Microbial Biomass and Some Soil Enzymes to Baythroid (An Insecticide)

Growth and nitrogen nutrition of maize (Zea mays L.) in soil treated with the nitrification-inhibiting insecticide Baythroid

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