[1]杨听雨,杨邦保,闫小龙,等.三种农药拌种后在土壤-水稻系统中的迁移和分布[J].江苏农业学报,2023,(02):405-412.[doi:doi:10.3969/j.issn.1000-4440.2023.02.013]
　YANG Ting-yu,YANG Bang-bao,YAN Xiao-long,et al.Migration and distribution of three pesticides in soil-rice system after seed dressing[J].,2023,(02):405-412.[doi:doi:10.3969/j.issn.1000-4440.2023.02.013]
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三种农药拌种后在土壤-水稻系统中的迁移和分布()
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江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2023年02期
页码:
405-412
栏目:
耕作栽培·资源环境
出版日期:
2023-04-30

文章信息/Info

Title:
Migration and distribution of three pesticides in soil-rice system after seed dressing
作者:
杨听雨1; 杨邦保2; 闫小龙2; 耿韧华2; 万群2; 程金金2; 余向阳2
（1.江苏大学,江苏镇江212013；2.江苏省农业科学院,江苏南京210014）
Author(s):
YANG Ting-yu1; YANG Bang-bao2; YAN Xiao-long2; GENG Ren-hua2; WAN Qun2; CHENG Jin-jin2; YU Xiang-yang2
(1.Jiangsu University, Zhenjiang 212013, China；2.Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China)
关键词:
农药拌种; 氯虫苯甲酰胺; 噻呋酰胺; 三氟苯嘧啶; 迁移; 水稻; 土壤
Keywords:
pesticide seed dressing; chlorantraniliprole; thifluzamide; triflumezopyrim; migration; rice; soil
分类号:
S481.8
DOI:
doi:10.3969/j.issn.1000-4440.2023.02.013
文献标志码:
A
摘要:
农药拌种处理已成为农药精简化使用的重要手段,农药拌种后在土壤-作物系统中的迁移和分布会直接影响农药的利用率以及安全性,但目前相关研究较少。本研究采用田间试验方法,研究了氯虫苯甲酰胺、噻呋酰胺和三氟苯嘧啶3种农药拌种后在土壤-水稻系统的迁移和分布特征。结果表明,种子拌农药播种后15 d时,分别有0.43%、0.84%和0.03%的氯虫苯甲酰胺、噻呋酰胺和三氟苯嘧啶分布于水稻植株中。此时,3种农药的消减率分别达到了39.39%、49.83%和97.21%,表明在育苗阶段拌种的农药已有较大程度的损失。移栽后,3种农药在水稻植株、根际中的含量随时间延长不断降低。收获时,水稻根际和稻谷中3种农药残留量均小于0.01 mg/kg,表明3种农药拌种处理对生态环境友好,稻米食用的安全性较高。本研究结果对于提高拌种农药的利用率和保障其安全性有重要意义。
Abstract:
Seed treatment has become an important means to simplify the use of pesticide. The migration and distribution of pesticides in soil-rice system after seed dressing can directly affect their utilization and safety, but there are few relevant studies at present. In this study, field experiments were conducted to reveal the migration and distribution characteristics of chlorantraniliprole, thifluzamide and triflumezopyrim in the soil-rice system after seed dressing. The results showed that 0.43%, 0.84% and 0.03% of chlorantraniliprole, thifluzamide and triflumezopyrim were distributed in the rice plants after 15 days of sowing, respectively. At this time, the reduction rates of the three pesticides reached 39.39%, 49.83% and 97.21%, respectively, indicating that the seed treating pesticides had been largely lost in the seedling stage. After transplanting,the contents of three pesticides in rice plants and rhizosphere decreased with time. At harvest, the residues of three pesticides in the rhizosphere and grain of rice under different treatments were all less than 0.01 mg/kg,indicating that the three pesticides were ecologically friendly to the environment and the safety of rice consumption was high. The results are of great significance for improving the utilization rate of pesticides and ensuring their safety under seed treatment.

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备注/Memo

备注/Memo:
收稿日期：2022-12-16 基金项目：国家自然科学基金项目（32172448）；江苏省农业科技自主创新基金项目[CX(21)2002] 作者简介：杨听雨（1998-）,男,硕士研究生,研究方向为农产品产地农药环境行为。（E-mail）921987352@qq.com 通讯作者：程金金,（E-mail）2547445116@qq.com；余向阳,（E-mail）yuxy@jaas.ac.cn
更新日期/Last Update: 2023-05-12