Sustainable Crop Protection Through Improved Choices With Public And Private Extension
DOI:
https://doi.org/10.48165/asl.2025.1.1.2Keywords:
Crop Protection, Extension, Insecticide, Herbicide, Weed ManagementAbstract
Whether farmers benefit more from pest management guidance provided by public agencies versus private entities affiliated with agrochemical companies remains a critical question in agricultural policy. Transitioning toward more sustainable farming depends fundamentally on the choices farmers make regarding technology and production inputs, choices that are shaped by access to information and peer learning. Advisory services are especially valuable when new or complex technologies are involved, supplementing knowledge gained through farmer-to-farmer exchange. Pest management decisions, in particular, are frequently guided by extension services, making these services central to contemporary agricultural policy debates. Global trends indicate that pest pressure is intensifying—driven partly by climate change and the growing commercialization of advisory services—while societal concern over pesticide-related environmental and public health risks continues to mount. Pesticide resistance is also emerging as a major challenge. In this context, extension services carry significant responsibility, as farmers’ pest management choices affect not only their own livelihoods but also the wellbeing of surrounding communities and the broader public. Consequently, extension guidance should be directed toward holistic strategies that maximize collective welfare.
References
Adeux, G., Vieren, E., Carlesi, S., Barbéri, P., Munier-Jolain, N., & Cordeau, S. (2019). Mitigating crop yield losses through weed diversity. Nature Sustainability, 2(11), 1018–1026. https://doi.org/10.1038/s41893-019-0415-y
Asplen, M. K., Anfora, G., Biondi, A., Choi, D.-S., Chu, D., Daane, K. M., ... & Zappalà, G. (2015). Invasion biology of spotted wing drosophila (Drosophila suzukii): A global perspective and future priorities. Journal of Pest Science, 88(3), 469–494. https://doi.org/10.1007/s10340-015-0681-z
Bakker, L., Sok, J., Van Der Werf, W., & Bianchi, F. J. J. A. (2021). Kicking the habit: What makes and breaks farmers’ intentions to reduce pesticide use? Ecological Economics, 180, 106868. https://doi.org/10.1016/j.ecolecon.2020.106868
Carisse, O., & Rolland, D. (2004). Effect of timing of application of the biological control agent Microsphaeropsis ochracea on ascospore production of Venturia inaequalis. Phytopathology, 94(12), 1305–1314. https://doi.org/10.1094/PHYTO.2004.94.12.1305
Chapman, K. S., Sundin, G. W., & Beckerman, J. L. (2011). Identification of resistance to multiple fungicides in field populations of Venturia inaequalis. Plant Disease, 95(8), 921–926. https://doi.org/10.1094/PDIS-12-10-0876
Engel, A., Poortvliet, P. M., & Klerkx, L. (2019). Understanding conservation behavior in agriculture as a dynamic process. Journal of Soil and Water Conservation, 74(4), 74A–80A. https://doi.org/10.2489/jswc.74.4.74A
Grovermann, C., Schreinemachers, P., & Berger, T. (2013). Quantifying pesticide overuse from farmer and societal perspectives. Crop Protection, 53, 161–168. https://doi.org/10.1016/j.cropro.2013.07.010
Guinet, M., Adeux, G., Cordeau, S., Courson, E., Nandillon, R., Zhang, Y., ... & Munier-Jolain, N. (2023). Fostering temporal crop diversification to reduce pesticide use. Nature Communications, 14, 7416. https://doi.org/10.1038/s41467-023-43183-5
Holb, I. (2009). Fungal disease management in environmentally friendly apple production. In E. Lichtfouse (Ed.), Sustainable Agricultural Reviews (pp. 219–292). Springer. https://doi.org/10.1007/978-90-481-2716-0_8
Jørgensen, L. N., Kudsk, P., & Ørum, J. E. (2019). Links between pesticide use and crop production in Denmark. Crop Protection, 119, 147–157. https://doi.org/10.1016/j.cropro.2019.01.016
Kathage, J., Castanera, P., Alonso-Prados, J. L., Gomez-Barbero, M., & Rodríguez-Cerezo, E. (2018). Impact of insecticide restrictions on pest management. Pest Management Science, 74(1), 88–99. https://doi.org/10.1002/ps.4715
Knapp, L., Bravin, E., & Finger, R. (2019a). Data on Swiss growers’ strategies against D. suzukii. Data in Brief, 24, 103920. https://doi.org/10.1016/j.dib.2019.103920
Kuntosch, A., & König, B. (2018). Adoption barriers to food security innovations in smallholder farming. Food Security, 10(4), 881–896. https://doi.org/10.1007/s12571-018-0813-1
Laloi, G., Vergne, E., Durel, C. E., Le Cam, B., & Caffier, V. (2017). Efficiency of resistance loci pyramiding to apple scab. Plant Pathology, 66(3), 412–422. https://doi.org/10.1111/ppa.12577
Mesnage, R., Straw, E. A., Antoniou, M. N., Benbrook, C., Brown, M. J., Chauzat, M. P., ... & Zioga, E. (2021). Improving pesticide-use data for the EU. Nature Ecology & Evolution, 5(12), 1560. https://doi.org/10.1038/s41559-021-01574-1
Möhring, N., Bozzola, M., Hirsch, S., & Finger, R. (2020). Are pesticides risk decreasing? Agricultural Economics, 51(3), 429–444. https://doi.org/10.1111/agec.12567
Möhring, N., et al. (2024). Global assessment of sustainable crop protection. (Submitted manuscript).
Parisi, L., Gros, C., Combe, F., Parveaud, C.-E., Gomez, C., & Brun, L. (2013). Impact of cultivar mixture on apple diseases. Crop Protection, 43, 207–212. https://doi.org/10.1016/j.cropro.2012.09.014
Park, T. A., & Lohr, L. (2005). Organic pest management decisions. Agricultural Economics, 33(3), 467–478. https://doi.org/10.1111/j.1574-0862.2005.00381.x
Passey, T., & Xu, X. (2019). Epidemiology and management of apple scab. In X. Xu & M. Fountain (Eds.), Integrated Management of Diseases and Insect Pests of Tree Fruit (pp. 3–20). Burleigh Dodds. https://doi.org/10.19103/AS.2019.0052.01
Patocchi, A., Wehrli, A., Dubuis, P. H., Auwerkerken, A., Leida, C., Cipriani, G., ... & Peil, A. (2020). Apple scab resistance breeding. Plant Disease, 104(8), 2074–2081. https://doi.org/10.1094/PDIS-11-19-2473-SR
Riemens, M., Sønderskov, M., Moonen, A. C., Storkey, J., & Kudsk, P. (2022). Integrated weed management framework. European Journal of Agronomy, 133, 126443. https://doi.org/10.1016/j.eja.2021.126443
Schnyder, H., Auerswald, K., Geist, J., & Heissenhuber, A. (2019). Farmers need holistic advice. Agrarforschung Schweiz, 10(1), 2–9. https://doi.org/10.34776/afs10-2
Skellern, M. P., & Cook, S. M. (2018). Habitat management for pollen beetle control. Arthropod-Plant Interactions, 12(6), 849–866. https://doi.org/10.1007/s11829-018-9640-6
Sok, J., Borges, J. R., Schmidt, P., & Ajzen, I. (2021). Farmer behaviour and theory of planned behaviour. Journal of Agricultural Economics, 72(2), 388–412. https://doi.org/10.1111/1477-9552.12411
Sutton, D. K., MacHardy, W. E., & Lord, W. G. (2000). Leaf litter treatment and apple scab. Plant Disease, 84(12), 1319–1326. https://doi.org/10.1094/PDIS.2000.84.12.1319
Wiebers, U.-C., Metcalfe, M., & Zilberman, D. (2002). Pest management advice and pesticide use. In G. A. Carlson et al. (Eds.), Economics of Pesticides (pp. 81–98). Emerald. https://doi.org/10.1016/S1574-0072(02)10008-7
Xu, X.-M., Gao, L.-Q., & Yang, J.-R. (2010). Fungicide insensitivity in Venturia inaequalis. Crop Protection, 29(2), 183–189. https://doi.org/10.1016/j.cropro.2009.07.002
