サルフォクサフロールに曝露すると,ハチミツの繁殖能力が低下する
Harry Siviter1, Mark J F Brown2, Ellouise Leadbeater2
1School of Biological Sciences, Royal Holloway University of London, Egham, UK. Harry.Siviter.2016@live.rhul.ac.uk.
Nature
|August 17, 2018
まとめ
サルフォクシミンの殺虫剤であるスルフォクサフロールは,ハチミツコロニーをひどく傷つけ,労働者と繁殖の子孫の生産を減少させます. これは新しい殺虫剤の規制前の 徹底的な評価の必要性を強調しています 授粉者を保護するためです
科学分野:
- 生態毒理学
- 昆虫学
- 農業科学
背景:
- ネオニコチノイド殺虫剤は 授粉者に害を与えるため 慎重に検討され 代替品の需要が高まっています
- サルフォキシミンベースの殺虫剤は,ネオニコチノイドの潜在的な代替品として登場しています.
- 新しい殺虫剤が受粉者に与える 致命的な影響は 緊急に評価する必要があります
研究 の 目的:
- サルフォキシミン殺虫剤のサルフォックスフロールの慢性的な亜致死効果をハチミツ (Bombus terrestris) のコロニーに評価する.
- サルフォクサフロールに曝露された場合,コロニーの成長,労働者の生産,および生殖能力に影響を及ぼすかどうかを判断する.
主な方法:
- フィールドベースのハチミツコロニーは,現実的なフィールド関連用量で長期間サルフォクサフロアにさらされました.
- コロニーの成長,労働者の生産,生殖の子孫の数は,被曝群と対照群の間で比較された.
- 差異の出現を特定するために,生涯経歴の軌道を監視した.
主要な成果:
- サルフォクサフローラへの曝露は ハチミツコロニーの生産者数を大幅に減少させました
- 暴露したコロニーは最終的に 制御群と比較して 生殖能力の低い子孫を生み出しました
- サルフォクサフロールに曝された幼虫が現れたことで,累積的な影響が明らかになった.
結論:
- サルフォクサフロールはハチミツコロニーの健康に 致命的な影響を及ぼします
- サルフォキシミンはネオニコチノイドの安全な直接的な代替物ではないかもしれません.
- 新種の農薬による環境被害を防ぐには,全面的な規制前評価が不可欠です.
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