Predicting sublethal effects of herbicides on terrestrial non-crop plant species in the field from greenhouse data

Riemens, M.M.; Dueck, T.A.; Kempenaar, C.

doi:10.1016/j.envpol.2007.10.034

Cited by 48 publications

(78 citation statements)

References 26 publications

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“…Larsen et al [23] compared the response to atrazine of algae in single-species cultures, microcosms, and experimental ponds and found that there were similarities among tests and that in some cases single-species tests were the most sensitive, while in others they were the least sensitive. Similar to the present study, Riemens et al [24] found that results from single-species experiments could not be translated into effects in mixtures.…”

Section: Discussionsupporting

confidence: 88%

“…However, a review of the literature by Clark et al [13] found that greenhouse 25% effective concentrations were 3 to 29 times lower than the lowest field study value. In addition, Riemens et al [24] also found that plants grown in a community were more sensitive to the herbicide glufosinate ammonium when grown in the greenhouse compared to outdoors. Sharma and Singh [27] found that plants grown under high temperatures were taller, grew faster, and absorbed and translocated more glyphosate than those at lower temperatures.…”

Section: Discussionmentioning

confidence: 95%

“…Differences in species sensitivity may also alter the outcome of competition. For example, Riemens et al [24] found that glufosinate ammonium-treated plants were generally more severely affected when grown in mixtures compared to when grown individually at concentrations causing a 10 to 50% reduction in biomass. However, the relative sensitivity of plants grown in mixtures versus individually was both species-and concentration-dependent.…”

Section: Discussionmentioning

confidence: 97%

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Comparison of the effects of glyphosate and atrazine herbicides on nontarget plants grown singly and in microcosms

Dalton

Boutin

2010

Enviro Toxic and Chemistry

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Intensification of agriculture and the corresponding increase in herbicide use has led to concern regarding the effects these chemicals may have on nontarget plants of agroecosystems. Current pesticide registration guidelines are focused on testing crop species grown singly in pots under greenhouse conditions and may not provide adequate measures of protection to noncrop species. The objective of the present study was to compare the response of terrestrial and wetland plants to the herbicides glyphosate and atrazine when grown singly in pots versus under different microcosm conditions. Greenhouse microcosms were generally more sensitive than single-species tests. Plants grown for an extended test period or in seminatural field conditions were generally less sensitive to herbicides. Sensitivity was found to be dependent on interactions between species and test conditions. Changes in community structure were observed in herbicide-treated microcosms that would not be predicted from single-species testing. Single-species tests are useful because they are inexpensive, can demonstrate clear dose-response patterns uncomplicated by other factors influencing growth, and are able to provide a measure of the sensitivity of a given species to glyphosate and atrazine. However, they are unable to predict subtle changes in community structure that may have important long-term consequences.

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Section: Discussionsupporting

confidence: 88%

Section: Discussionmentioning

confidence: 95%

Section: Discussionmentioning

confidence: 97%

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Comparison of the effects of glyphosate and atrazine herbicides on nontarget plants grown singly and in microcosms

Dalton

Boutin

2010

Enviro Toxic and Chemistry

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“…Herbicides affect not only the species of plants they are used to destroy (targeted ones), but also not-targeted ones. Previously it has been shown that herbicides may evoke deleterious effects to crop and non-crop species (Wang, Zhou, 2006;Riemens et al, 2008). Herbicide agricultural application usually leads to contamination of adjacent water bodies.…”

Section: Introductionmentioning

confidence: 99%

Phytotoxicity of amidosulfuron (sulfonylureas herbicide) to aquatic macrophyte Lemna minor L.

Žaltauskaitė¹,

Norvilaitė²

2013

Biologija

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This study examines effects of sulfonylurea herbicide Sekator OD 375 (amidosulfuron and iodosulfuron) to non-target aquatic plant species common duckweed (Lemna minor L.). The plants were affected by 5-75 µl/l concentrations of herbicide in their growth medium. L. minor had a strong phytotoxicty response to herbicide application (inhibition of growth, biomass, reduced content of photosynthetic pigments and increased content of malondialdehyde). The growth rate of L. minor was inhibited by 54.17%. The dry biomass was by 57.2% lower than in control. Application of herbicide provoked an oxidative stress, the concentrations of MDA was by 83.32% higher than in control.

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“…In recent years, many wild plant species have been successfully used in phytotoxicity studies [3,[6][7][8][9][10][11][12]. Historically, registrants have been reluctant to use wild species (as per Organization for Economic Co-operation and Development Guidelines [2]), based on allegations that a large variability may exist among different ecotypes.…”

Section: Introductionmentioning

confidence: 99%

Measuring variability in phytotoxicity testing using crop and wild plant species

Boutin

White

Carpenter

2009

Enviro Toxic and Chemistry

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Abstract-A series of experiments was conducted to assess the level of variability in phytotoxicity testing and to investigate factors that may explain some of the observed uncertainties and inconsistencies. The work was conducted in greenhouse or growth chamber environments with plants growing individually in pots and harvested 28 d after spraying with two herbicides, glyphosate and atrazine, as formulated products. Between six and 10 doses were used on five or six replicates, necessitating over 4,500 individually growing plants.In the first set of experiments, several ecotypes (originating from different areas of the world) of eight wild plant species were tested. Significant differences in sensitivity to atrazine and glyphosate were found among ecotypes of most species tested. In the second suite of experiments, the reproducibility of results during different seasons (when growing conditions vary) was investigated using three crops and four wild plant species. Results showed that seasonal variability elicited a pronounced discrepancy in response between plants tested at different times of the year. It was found that no consistent effects could be attributed to the biotic or abiotic factors investigated. Several ecotypes of the same species differed in their seed size, percentage germination, or germination requirements, as well as in growth patterns, but these differences could not explain differences in herbicide sensitivity. Likewise, differences in phytotoxicity could not be attributed to factors such as temperature, light intensity, and sunlight duration. The present study supports the inclusion of an uncertainty factor in risk assessments to account for the intrinsic variability in plant sensitivity to herbicides. Environ. Toxicol. Chem.

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Predicting sublethal effects of herbicides on terrestrial non-crop plant species in the field from greenhouse data

Cited by 48 publications

References 26 publications

Comparison of the effects of glyphosate and atrazine herbicides on nontarget plants grown singly and in microcosms

Comparison of the effects of glyphosate and atrazine herbicides on nontarget plants grown singly and in microcosms

Phytotoxicity of amidosulfuron (sulfonylureas herbicide) to aquatic macrophyte Lemna minor L.

Measuring variability in phytotoxicity testing using crop and wild plant species

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