Potential of pesticide reduction and effects on pests, weeds, yield and net return in winter rye (Secale cereale L.)
Reducing the intensity of pesticide use is a societal and political issue. One way to realize this is to reduce the dose of applied pesticides. The impact of strict dose reductions on yield and net return in winter rye was examined in a longterm field trial at the experimental field of the Julius K...
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| Format: | Article |
| Language: | English |
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Julius Kühn-Institut
2024-01-01
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| Series: | Landbauforschung |
| Subjects: | |
| Online Access: | https://ojs.openagrar.de/index.php/LBF/article/view/17190 |
| _version_ | 1797322311094763520 |
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| author | Bettina Klocke Christina Wagner Sandra Krengel-Horney Jürgen Schwarz |
| author_facet | Bettina Klocke Christina Wagner Sandra Krengel-Horney Jürgen Schwarz |
| author_sort | Bettina Klocke |
| collection | DOAJ |
| description |
Reducing the intensity of pesticide use is a societal and political issue. One way to realize this is to reduce the dose of applied pesticides. The impact of strict dose reductions on yield and net return in winter rye was examined in a longterm field trial at the experimental field of the Julius Kühn Institute in Dahnsdorf (Brandenburg) over a 13-year period (2004-2016). Pesticide treatments included a situation-related strategy (100% strategy) and two other strategies in which the doses were reduced by 25% and 50% compared to the 100% strategy. Treatment decisions were based on control thresholds in the 100% strategy. Fungal pathogens and weeds occurred in all years and had to be controlled. Insect pests were negligible. Averaged over all years, there was a significant difference of 4% in yield between the 100% strategy and the 50% strategy. In contrast, no differences were found in terms of net return. There was also no accumulation of weeds in the reduced strategies. This positive result is due to the close monitoring of the plots as well as the six-year crop rotation and shows that it is possible to reduce pesticide use in winter rye.
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| first_indexed | 2024-03-08T05:11:26Z |
| format | Article |
| id | doaj.art-b4c859ece2a94ce3bb2822f1a5dcd408 |
| institution | Directory Open Access Journal |
| issn | 2700-8711 |
| language | English |
| last_indexed | 2024-03-08T05:11:26Z |
| publishDate | 2024-01-01 |
| publisher | Julius Kühn-Institut |
| record_format | Article |
| series | Landbauforschung |
| spelling | doaj.art-b4c859ece2a94ce3bb2822f1a5dcd4082024-02-07T08:02:01ZengJulius Kühn-InstitutLandbauforschung2700-87112024-01-0172110.5073/LBF.2023.01.02Potential of pesticide reduction and effects on pests, weeds, yield and net return in winter rye (Secale cereale L.)Bettina Klocke0Christina Wagner1Sandra Krengel-Horney2Jürgen Schwarz3Julius Kühn Institute (JKI) – Federal Research Centre for Cultivated Plants, Institute for Strategies and Technology Assessment, Kleinmachnow, Germany.Julius Kühn Institute (JKI) – Federal Research Centre for Cultivated Plants, Institute for Strategies and Technology Assessment, Kleinmachnow, Germany.Julius Kühn Institute (JKI) – Federal Research Centre for Cultivated Plants, Institute for Strategies and Technology Assessment, Kleinmachnow, Germany.Julius Kühn Institute (JKI) – Federal Research Centre for Cultivated Plants, Institute for Strategies and Technology Assessment, Kleinmachnow, Germany. Reducing the intensity of pesticide use is a societal and political issue. One way to realize this is to reduce the dose of applied pesticides. The impact of strict dose reductions on yield and net return in winter rye was examined in a longterm field trial at the experimental field of the Julius Kühn Institute in Dahnsdorf (Brandenburg) over a 13-year period (2004-2016). Pesticide treatments included a situation-related strategy (100% strategy) and two other strategies in which the doses were reduced by 25% and 50% compared to the 100% strategy. Treatment decisions were based on control thresholds in the 100% strategy. Fungal pathogens and weeds occurred in all years and had to be controlled. Insect pests were negligible. Averaged over all years, there was a significant difference of 4% in yield between the 100% strategy and the 50% strategy. In contrast, no differences were found in terms of net return. There was also no accumulation of weeds in the reduced strategies. This positive result is due to the close monitoring of the plots as well as the six-year crop rotation and shows that it is possible to reduce pesticide use in winter rye. https://ojs.openagrar.de/index.php/LBF/article/view/17190long-term field trialpesticide reductionweedsfungal pathogensinsect pestswinter rye |
| spellingShingle | Bettina Klocke Christina Wagner Sandra Krengel-Horney Jürgen Schwarz Potential of pesticide reduction and effects on pests, weeds, yield and net return in winter rye (Secale cereale L.) Landbauforschung long-term field trial pesticide reduction weeds fungal pathogens insect pests winter rye |
| title | Potential of pesticide reduction and effects on pests, weeds, yield and net return in winter rye (Secale cereale L.) |
| title_full | Potential of pesticide reduction and effects on pests, weeds, yield and net return in winter rye (Secale cereale L.) |
| title_fullStr | Potential of pesticide reduction and effects on pests, weeds, yield and net return in winter rye (Secale cereale L.) |
| title_full_unstemmed | Potential of pesticide reduction and effects on pests, weeds, yield and net return in winter rye (Secale cereale L.) |
| title_short | Potential of pesticide reduction and effects on pests, weeds, yield and net return in winter rye (Secale cereale L.) |
| title_sort | potential of pesticide reduction and effects on pests weeds yield and net return in winter rye secale cereale l |
| topic | long-term field trial pesticide reduction weeds fungal pathogens insect pests winter rye |
| url | https://ojs.openagrar.de/index.php/LBF/article/view/17190 |
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