Impact of deltamethrin on arthropods in maize under conventional and no-tillage cultivation

Badji, César Auguste; Guedes, Raul Narciso C.; Silva, Antônio Alberto da; Araújo, R. A.

doi:10.1016/j.cropro.2004.03.003

Cited by 44 publications

(33 citation statements)

References 26 publications

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“…Thus, human disturbance and land-use change are pivotal factor affecting ant diversity and its composition (see Gibb & Hochuli, 2003;Go´mez et al, 2003). In addition, insecticide application negatively affects ant diversity, for instance in maize agroecosystems (Badji et al, 2006). Unfortunately, information about long-term patterns of ant diversity in agroecosystems, including agroforests, is lacking.…”

Section: Introductionmentioning

confidence: 99%

Long‐term change of ant community structure in cacao agroforestry landscapes in Indonesia

Rizali

Clough

Buchori

et al. 2012

Insect Conserv Diversity

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Land‐use change and agricultural intensification can strongly affect biodiversity in agricultural landscapes. Although many studies investigate management impacts, data on the long‐term change of species communities in agroecosystems are scarce. We analysed the long‐term change in diversity and composition of ant communities in cacao agroforestry systems in Central Sulawesi, Indonesia and attempted to disentangle the driving factors of this change. Ant communities were resampled in 2009 from sites for which previous surveys had been conducted either in 2001 (the rainforest‐poor Palolo region) or 2003 (the rainforest‐rich Kulawi region) using insecticide fogging. Ant community composition changed significantly over time in Palolo and Kulawi. The change in ant species richness differed between regions. Species richness increased in Kulawi, probably due to the increasing availability of nest sites and microhabitats as trees grow larger and older. In the Palolo region, species richness decreased, suggesting that the high local intensification and landscape‐wide changes may have counteracted the effects of tree age. Changes in ant communities over time were significant, but were more difficult to explain than expected, despite clear difference in management changes within and between regions. The findings suggest that the landscape‐scale differences between the two study regions play a more important role for species diversity and its composition than changes in local management. This highlights the importance of long‐term studies across contrasting landscapes for better understanding the consequences land‐use intensification has on tropical biodiversity.

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Section: Introductionmentioning

confidence: 99%

Long‐term change of ant community structure in cacao agroforestry landscapes in Indonesia

Rizali

Clough

Buchori

et al. 2012

Insect Conserv Diversity

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“…Several groups were not analyzed because of the low and/or inconsistent numbers collected across the Þeld trials. Although found in high numbers, Diptera and Formicidae were not analyzed because of the high mobility of Diptera and the partial subterranean habitat and limited evidence of insecticide treatment effects previously found for Formicidae (Badji et al 2006, Chong et al 2007. As expected, the number of invertebrates varied greatly between collection methods, and a combination of both were analyzed to assess the impacts of chemicals.…”

Section: Resultsmentioning

confidence: 98%

Synthetic Pesticides in Agro-Ecosystems: Are They as Detrimental to Nontarget Invertebrate Fauna as We Suspect?

et al. 2013

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Broad-spectrum pesticides used to protect field crops and pastures from invertebrate pests are frequently reported to reduce populations of nontarget fauna, but there is often little relevant field data. Nonetheless, this notion is used to promote the adoption of more selective pesticides with less impact on nontarget invertebrates, including beneficial insects. Selective pesticides are not widely available for broad-acre grain crops and pastures in southern Australia; however, several options available in other industries could be compatible with these agricultural systems. In this study, the impact of broad-spectrum pesticides and several selective pesticides on nontarget invertebrate fauna was assessed in five field trials in wheat and canola fields. Despite extensive sampling over short and medium timeframes, few treatment effects on nontarget groups were detected. In cases where broad-spectrum pesticides were detrimental, patterns were often inconsistent among nontarget groups and between field trials. In contrast, the pest species, Halotydeus destructor Tucker and Penthaleus spp., were effectively controlled by the broad-spectrum treatments and less effectively by the selective pesticides. The inconsistent and relatively small impact of broad-spectrum pesticides on some nontarget invertebrates demonstrates that caution is required when extrapolating from laboratory-based assessments routinely used to assess the impacts of pesticides to field conditions in agriculture.

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“…2002). The cultivation system was expected to mitigate the impact of insecticides based on a previous investigation carried out to assess the arthropod fauna associated with the maize canopy (Badji et al. 2004).…”

Section: Discussionmentioning

confidence: 99%

“…In addition, as the no-tillage cultivation system commonly employed in Brazil includes a pre-sowing application of herbicides as desiccants (Fornasieri 1992;Guedes and Guedes 2001), the no-tillage impact on soil arthropods is likely to be further enhanced (Moore et al 1984;Salminen et al 1997). Curiously though, the impact of insecticides on arthropods associated with no-tillage cultivation systems has proved negligible in the few studies carried out so far in the tropics, in contrast to that which usually takes place in the temperate zone (Frampton 1997(Frampton , 1999Michereff-Filho et al 2002aArau´jo et al 2004;Badji et al 2004). These findings in tropical areas suggest that no-tillage cultivation may buffer the insecticide impact under short-term exposure.…”

Section: Introductionmentioning

confidence: 99%

Non‐target impact of deltamethrin on soil arthropods of maize fields under conventional and no‐tillage cultivation

Badji¹,

Guedes²,

Silva³

et al. 2007

J Applied Entomology

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Deltamethrin is a commonly used insecticide for controlling its key maize pest, the fall armyworm Spodoptera frugiperda (Lep., Noctuidae). Its toxicological profile is well known, but its impact on arthropods widely reported as bioindicators, mainly springtails (Collembola) and mites (Oribatida), is yet to be assessed in tropical maize fields. The treatments used to circumvent this shortcoming were conventional cultivation and no-tillage cultivation (with a presowing application of 2,4-D and glyphosate) systems with or without deltamethrin spraying. The deltamethrin residue analysis of soil samples by gas chromatography did not detect the insecticide 24 h after it was sprayed on the maize fields. There was no significant overall effect of deltamethrin based on principal component analysis. However, repeated-measures analyses of variance detected significant impact of deltamethrin in a species of Nitidulidae (Coleoptera). The cultivation system also provided significant impact on Oribatida and Gamasida soil mites and on the same Nitidulidae species referred above, which were more abundant in the conventional cultivation system. Springtails were also significantly affected by the cultivation system showing greater abundance in the conventional system, except Podumorpha. Analyses using only high taxonomic levels did not allow the detection of impact in the ant assemblage assessed. The results suggest that the impact of deltamethrin on soil arthropods from tropical fields varies among species and is lower than expected. The cultivation system imposes more drastic effects on arthropod assemblage.

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Impact of deltamethrin on arthropods in maize under conventional and no-tillage cultivation

Cited by 44 publications

References 26 publications

Long‐term change of ant community structure in cacao agroforestry landscapes in Indonesia

Long‐term change of ant community structure in cacao agroforestry landscapes in Indonesia

Synthetic Pesticides in Agro-Ecosystems: Are They as Detrimental to Nontarget Invertebrate Fauna as We Suspect?

Non‐target impact of deltamethrin on soil arthropods of maize fields under conventional and no‐tillage cultivation

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