阿维菌素B2和氟吡菌酰胺对根结线虫二龄幼虫的混合毒力及田间防治效果

doi:10.14088/j.cnki.issn0439-8114.2025.10.014

湖北农业科学 ›› 2025, Vol. 64 ›› Issue (10): 94-98.doi: 10.14088/j.cnki.issn0439-8114.2025.10.014

阿维菌素B₂和氟吡菌酰胺对根结线虫二龄幼虫的混合毒力及田间防治效果

彭宇¹, 李彩斌¹, 马黔¹, 唐艾¹, 顾姣¹, 彭铜¹, 王茂贤¹, 黄衍章², 李章海³

1.贵州省烟草公司毕节市公司,贵州毕节 551700;
2.安徽农业大学植物保护学院,合肥 230036;
3.中国科学技术大学烟草与健康研究中心,合肥 230052

收稿日期:2025-05-30 出版日期:2025-10-25 发布日期:2025-11-14
通讯作者: 黄衍章,男,副教授,主要从事有害生物综合治理研究,(电子信箱)huangyz@ahau.edu.cn。
作者简介:彭宇(1972-),男,贵州毕节人,高级农艺师,硕士,主要从事烟草绿色生产与管理工作,(电子信箱)pengyu215@msn.com。
基金资助:
中国烟草总公司重点研发项目(110202202014)

The mixed virulence and field control effeciacy of abamectin B₂ and fluopyram against the second-instar juvenile of Meloidogyne

PENG Yu¹, LI Cai-bin¹, MA Qian¹, TANG Ai¹, GU Jiao¹, PENG Tong¹, WANG Mao-xian¹, HUANG Yan-zhang², LI Zhang-hai³

1. Bijie Branch, Guizhou Tobacco Company, Bijie 551700,Guizhou,China;
2. School of Plant Protection, Anhui Agricultural University, Hefei 230036,China;
3. Research Centre of Tobacco and Health, University of Science and Technology of China, Hefei 230052,China

Received:2025-05-30 Published:2025-10-25 Online:2025-11-14

摘要/Abstract

摘要： 采用浸虫法测定了阿维菌素B₂与氟吡菌酰胺复配对南方根结线虫(Meloidogyne incognita)二龄幼虫的毒杀活性,并通过穴施法评价了2种自制杀线型生物炭基功能肥对烟草根结线虫(Meloidogyne spp.)病的田间防治效果。结果表明,阿维菌素B₂与氟吡菌酰胺以有效成分质量比4∶1复配时增效作用最为明显,处理24、48、72 h对南方根结线虫二龄幼虫的LC₅₀(半数致死浓度)分别为4.69、1.77、1.04 μg/mL,共毒系数分别为134.78、127.77和146.31。将自制的0.33%阿维菌素B₂功能肥(A)和0.33%阿维菌素B₂·氟吡菌酰胺(4∶1)功能肥(B)按60 g/株施用于烟田后,在根结线虫病盛发期(采烤中期)的田间防治效果分别为47.36%和63.30%,复配制剂防治效果显著高于单剂;在采烤末期的田间防治效果分别为67.65%和67.59%,两者无显著差异。

关键词: 烟草根结线虫(Meloidogyne spp.)病, 阿维菌素B₂, 氟吡菌酰胺, 炭基功能肥, 田间防治效果

Abstract: The mixed virulence of abamectin B₂ and fluopyram was tested against second-instar juveniles of Meloidogyne incognita using the immersion method, and then the field control efficacy of two kinds of self-made nematocidal biochar-based functional fertilizers on tobacco root-knot nematode(Meloidogyne spp.) disease was studied by using the hole application method. The results showed that the compound combination of abamectin B₂ and fluopyram at a mass ratio of 4∶1 for their active ingredients exhibited the most significant synergistic effect, and their LC₅₀ (Lethal concentration 50) at 24, 48, 72 h post-treatment against second-instar juveniles of Meloidogyne incognita was 4.69, 1.77, 1.04 μg/mL, respectively, and the cotoxicity coefficients were 134.78, 127.77 and 146.31 correspondingly. When the nematocidal biochar-based functional fertilizers were applied at 60 g per plant in tobacco field, the field control efficacy of self-made 0.33% abamectin B₂ nematocidal biochar-based functional fertilizer(A) and 0.33% abamectin B₂-fluopyram (4∶1)nematocidal biochar-based functional fertilizer (B) against root-knot nematode disease were 47.36% and 63.30% at the peak stage of disease (Mid-roasting stage), and the efficacy of the complex formulation was significantly higher than that of the single formulation. The field control efficacy of the above two kinds of nematocidal biochar-based functional fertilizers were 67.65% and 67.59% at the end of flue-curing, respectively, and there was no significant difference between the two fertilizers.

Key words: tobacco root-knot nematode(Meloidogyne spp.) disease, abamectin B₂, fluopyram, nematocidal biochar-based functional fertilizer, field control effeciacy

中图分类号:

S435.72

彭宇, 李彩斌, 马黔, 唐艾, 顾姣, 彭铜, 王茂贤, 黄衍章, 李章海. 阿维菌素B₂和氟吡菌酰胺对根结线虫二龄幼虫的混合毒力及田间防治效果[J]. 湖北农业科学, 2025, 64(10): 94-98.

PENG Yu, LI Cai-bin, MA Qian, TANG Ai, GU Jiao, PENG Tong, WANG Mao-xian, HUANG Yan-zhang, LI Zhang-hai. The mixed virulence and field control effeciacy of abamectin B₂ and fluopyram against the second-instar juvenile of Meloidogyne[J]. HUBEI AGRICULTURAL SCIENCES, 2025, 64(10): 94-98.

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阿维菌素B₂和氟吡菌酰胺对根结线虫二龄幼虫的混合毒力及田间防治效果

The mixed virulence and field control effeciacy of abamectin B₂ and fluopyram against the second-instar juvenile of Meloidogyne

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