Sensor-based assessment of herbicide effects

Jens Carl Streibig; Jesper Rasmussen; D. Andújar; Christian Andreasen; T.W. Berge; D. Chachalis; T. Dittmann; R. Gerhards; T. M. Giselsson; P. Hamouz; C. Jaeger-Hansen; K. Jensen; R. N. Jørgensen; M. Keller; M. Laursen; H. S. Midtiby; J. Nielsen; S. Müller; H. Nordmeyer; G. Peteinatos; A. Papadopoulos; J. Svensgaard; M. Weis; Svend Christensen

doi:10.1111/wre.12079

Sensor-based assessment of herbicide effects

Jens Carl Streibig^*, Jesper Rasmussen, D. Andújar, Christian Andreasen, T.W. Berge, D. Chachalis, T. Dittmann, R. Gerhards, T. M. Giselsson, P. Hamouz, C. Jaeger-Hansen, K. Jensen, R. N. Jørgensen, M. Keller, M. Laursen, H. S. Midtiby, J. Nielsen, S. Müller, H. Nordmeyer, G. PeteinatosA. Papadopoulos, J. Svensgaard, M. Weis, Svend Christensen

^*Corresponding author for this work

9 Citations (Scopus)

Abstract

Non-destructive assessment of herbicide effects may be able to support integrated weed management. To test whether effects of herbicides on canopy variables could be detected by sensors, two crops were used as models and treated with herbicides at BBCH 20 using a logarithmic sprayer. Twelve days after spraying at BBCH 25 and 42 days after sowing, nine sensor systems scanned a spring barley and an oilseed rape field experiment sown at different densities and sprayed with increasing field rates of glyphosate and tribenuron-methyl. The objective was to compare ED₅₀s for crops and weeds derived by the different sensors in relation to crop density and herbicides. Although sensors were not directly developed to detect herbicide symptoms, they all detected changes in canopy colours or height and crop density. Generally ED₅₀s showed the same pattern in response to crop density within herbicide, but there were marked differences between barley and oilseed rape. We suggest that the results of comparing the various sensor outputs could become a stepping stone to future standardisation for the benefit of the research and development of sensors that will detect herbicide effect on crops and weeds, particularly at the most vulnerable stages of development of the canopy.

Original language	English
Journal	Weed Research
Volume	54
Issue number	3
Pages (from-to)	223-233
Number of pages	11
ISSN	0043-1737
DOIs	https://doi.org/10.1111/wre.12079
Publication status	Published - 2014

Keywords

Barley
Glyphosate
Image analysis
Logarithmic sprayer
Oilseed rape
Tribenuron-methyl

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Streibig, J. C., Rasmussen, J., Andújar, D., Andreasen, C., Berge, T. W., Chachalis, D., Dittmann, T., Gerhards, R., Giselsson, T. M., Hamouz, P., Jaeger-Hansen, C., Jensen, K., Jørgensen, R. N., Keller, M., Laursen, M., Midtiby, H. S., Nielsen, J., Müller, S., Nordmeyer, H., ... Christensen, S. (2014). Sensor-based assessment of herbicide effects. Weed Research, 54(3), 223-233. https://doi.org/10.1111/wre.12079

Streibig, JC , Rasmussen, J, Andújar, D, Andreasen, C, Berge, TW, Chachalis, D, Dittmann, T, Gerhards, R, Giselsson, TM, Hamouz, P, Jaeger-Hansen, C, Jensen, K, Jørgensen, RN, Keller, M, Laursen, M, Midtiby, HS, Nielsen, J, Müller, S, Nordmeyer, H, Peteinatos, G, Papadopoulos, A, Svensgaard, J, Weis, M & Christensen, S 2014, 'Sensor-based assessment of herbicide effects', Weed Research, vol. 54, no. 3, pp. 223-233. https://doi.org/10.1111/wre.12079

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abstract = "Non-destructive assessment of herbicide effects may be able to support integrated weed management. To test whether effects of herbicides on canopy variables could be detected by sensors, two crops were used as models and treated with herbicides at BBCH 20 using a logarithmic sprayer. Twelve days after spraying at BBCH 25 and 42 days after sowing, nine sensor systems scanned a spring barley and an oilseed rape field experiment sown at different densities and sprayed with increasing field rates of glyphosate and tribenuron-methyl. The objective was to compare ED50s for crops and weeds derived by the different sensors in relation to crop density and herbicides. Although sensors were not directly developed to detect herbicide symptoms, they all detected changes in canopy colours or height and crop density. Generally ED50s showed the same pattern in response to crop density within herbicide, but there were marked differences between barley and oilseed rape. We suggest that the results of comparing the various sensor outputs could become a stepping stone to future standardisation for the benefit of the research and development of sensors that will detect herbicide effect on crops and weeds, particularly at the most vulnerable stages of development of the canopy.",

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AU - Chachalis, D.

AU - Dittmann, T.

AU - Gerhards, R.

AU - Giselsson, T. M.

AU - Hamouz, P.

AU - Jaeger-Hansen, C.

AU - Jensen, K.

AU - Jørgensen, R. N.

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AU - Laursen, M.

AU - Midtiby, H. S.

AU - Nielsen, J.

AU - Müller, S.

AU - Nordmeyer, H.

AU - Peteinatos, G.

AU - Papadopoulos, A.

AU - Svensgaard, J.

AU - Weis, M.

AU - Christensen, Svend

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N2 - Non-destructive assessment of herbicide effects may be able to support integrated weed management. To test whether effects of herbicides on canopy variables could be detected by sensors, two crops were used as models and treated with herbicides at BBCH 20 using a logarithmic sprayer. Twelve days after spraying at BBCH 25 and 42 days after sowing, nine sensor systems scanned a spring barley and an oilseed rape field experiment sown at different densities and sprayed with increasing field rates of glyphosate and tribenuron-methyl. The objective was to compare ED50s for crops and weeds derived by the different sensors in relation to crop density and herbicides. Although sensors were not directly developed to detect herbicide symptoms, they all detected changes in canopy colours or height and crop density. Generally ED50s showed the same pattern in response to crop density within herbicide, but there were marked differences between barley and oilseed rape. We suggest that the results of comparing the various sensor outputs could become a stepping stone to future standardisation for the benefit of the research and development of sensors that will detect herbicide effect on crops and weeds, particularly at the most vulnerable stages of development of the canopy.

AB - Non-destructive assessment of herbicide effects may be able to support integrated weed management. To test whether effects of herbicides on canopy variables could be detected by sensors, two crops were used as models and treated with herbicides at BBCH 20 using a logarithmic sprayer. Twelve days after spraying at BBCH 25 and 42 days after sowing, nine sensor systems scanned a spring barley and an oilseed rape field experiment sown at different densities and sprayed with increasing field rates of glyphosate and tribenuron-methyl. The objective was to compare ED50s for crops and weeds derived by the different sensors in relation to crop density and herbicides. Although sensors were not directly developed to detect herbicide symptoms, they all detected changes in canopy colours or height and crop density. Generally ED50s showed the same pattern in response to crop density within herbicide, but there were marked differences between barley and oilseed rape. We suggest that the results of comparing the various sensor outputs could become a stepping stone to future standardisation for the benefit of the research and development of sensors that will detect herbicide effect on crops and weeds, particularly at the most vulnerable stages of development of the canopy.

KW - Barley

KW - Glyphosate

KW - Image analysis

KW - Logarithmic sprayer

KW - Oilseed rape

KW - Tribenuron-methyl

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DO - 10.1111/wre.12079

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SN - 0043-1737

VL - 54

SP - 223

EP - 233

JO - Weed Research

JF - Weed Research

IS - 3

ER -

Sensor-based assessment of herbicide effects

Abstract

Keywords

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