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生物杀虫剂spinosad对土壤生物的生态毒性:商业配方与活性成分对比
Alexandre Moreira1, Verónica Nogueira2, Sirine Bouguerra3
1ICBAS, Instituto de Ciências Biomédicas de Abel Salazar, Universidade do Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal; CIMAR/CIIMAR, Centro Interdisciplinar de Investigação Marinha e Ambiental, Universidade do Porto, Terminal de Cruzeiros do Porto de Leixões | Avenida General Norton de Matos, S/N, 4450-208 Matosinhos, Portugal.
概括
生物杀虫剂Spintor (SPIT) 和Spinosad (SPIN) 对土壤有机体产生负面影响,例如Folsomia candida和Eisenia fetida. 斯皮诺萨德显示出更高的毒性,影响繁殖,并在中引起氧化应激和基因毒性.
科学领域:
- 环境毒理学环境毒理学
- 生态毒理学 生态毒理学
- 土壤生态学 土壤生态学
背景情况:
- 斯宾特 (SPIT) 是一种Spinosad (SPIN) 配方,是一种生物杀虫剂,对土壤生物体暴露的数据有限.
- 监管机构需要更多关于环境相关度的短期和长期影响的信息.
研究的目的:
- 评估SPIT和SPIN对土虫Eisenia fetida和春尾虫Folsomia candida的影响.
- 评估避免行为,繁殖和亚个体生物标志物 (氧化应激,能量储备,神经毒性,基因毒性).
主要方法:
- 土壤中含有环境相关度 (0.00-1.49毫克/公斤干土).
- 在两种物种中评估了E. fetida的避开和繁殖.
- 在2天和28天暴露后评估的E. fetida生物标志物.
主要成果:
- 在SPIT≥0.66 mg/kg和SPIN≥0.13 mg/kg下减少了F.candida的繁殖.
- E. fetida 在0.44-1.49 mg/kg时表现出避免SPIT的倾向;没有生殖效应.
- 在暴露于SPIT和SPIN2天后,在E. fetida中观察到的基因毒性.
- 一般来说,SPIN对E. fetida. 的影响比SPIT更大.
结论:
- 基于Spinosyns的产品会影响F. candida的繁殖和E. fetida的健康.
- 观察到氧化应激和能量代谢的破坏.
- 对基本的土壤生态系统功能的潜在不利影响.
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