Achieving High Efficacy and Low Safety Risk by Balancing Pesticide Deposition on Leaves and Fruits of Chinese Wolfberry (Lycium barbarum L.)
文献类型： 外文期刊
作者： Ding, Lei 1 ; Zhou, Xuan 1 ; Liang, Xiaojie 1 ; Dong, Yujin 3 ; Fang, Cunbao 3 ; Wu, Yueming 3 ; Li, Beixing 3 ; Mu, Wei 3 ; Lin, Jin 3 ; Li, Yuekun 1 ;
作者机构： 1.Natl Wolfberry Engn Res Ctr, Yinchuan 750002, Ningxia, Peoples R China
2.Ningxia Acad Agr & Forestry Sci, Wolfberry Sci Res Inst, Yinchuan 750002, Ningxia, Peoples R China
3.Shandong Agr Univ, Coll Plant Protect, Shandong Prov Key Lab Biol Vegetable Dis & Insect, Tai An 271018, Shandong, Peoples R China
4.Shandong Agr Univ, Res Ctr Pesticide Environm Toxicol, Tai An 271018, Shandong, Peoples R China
期刊名称：ACS OMEGA （ 影响因子：4.1； 五年影响因子：4.0 ）
ISSN： 2470-1343
年卷期： 2023 年 8 卷 16 期
页码：
收录情况： SCI
摘要： Pesticide residue has become the main technical barrier that restricts the export of Chinese wolfberry. Can we achieve high efficacy and low safety risk by balancing pesticide deposition on the leaves and fruits of Chinese wolfberry? In this research, the structural characteristics and wettability of leaves and fruits of Chinese wolfberry at different growth stages were studied. The adaxial and abaxial surfaces of leaves were hydrophobic, whereas the fruit surfaces were hydrophilic. Adding spray adjuvant could increase the retention of droplets on the leaf surfaces of Chinese wolfberry by 52.28-97.89% and reduce the retention on the fruit surfaces by 21.68-42.14%. A structural equation model analysis showed that the adhesion tension was the key factor affecting the retention of the solutions among various interface behaviors. When the concentrations of Silwet618, AEO-5, Gemini 31551, and 1227 were 2-5 times higher than their CMCs, the retention of pesticide solutions (pyraclostrobin and tylophorine) on Chinese wolfberry leaves significantly increased, and the control efficacies on aphids and powdery mildew also dramatically improved (65.90-105.15 and 41.18-133.06%, respectively). Meanwhile, the retention of pesticides on the fruit of Chinese wolfberry was reduced. This study provides new insights into increasing the utilization of pesticides in controlling pests and improving food safety.
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