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Efficacy of common chemicals and YB-04 bacterial fertilizer against root-knot nematodes in tomato plants

文献类型： 外文期刊

作者： Li, Rongchao 1 ; Ren, Haohao 1 ; Zheng, Qian 1 ; Zhang, Jie 2 ; Tian, Xueliang 3 ; Meng, Haoguang 1 ; Zhou, Yang 1 ; Liang, Shen 4 ; Cui, Jiangkuan 1 ;

作者机构： 1.Henan Agr Univ, Coll Plant Protect, State Key Lab Wheat Maize Double Cropping High Eff, Zhengzhou 450002, Peoples R China

2.Henan Acad Agr Sci, Inst Plant Protect Res, Zhengzhou 450002, Peoples R China

3.Henan Inst Sci & Technol, Xinxiang 453003, Peoples R China

4.Henan Acad Agr Sci, Inst Hort, Zhengzhou 450002, Peoples R China

关键词： Meloidogyne incognita; Fluopyram; Amino-oligosaccharin; Avermectin; Root-knot nematode; Fosthiazate

期刊名称：TROPICAL PLANT PATHOLOGY （ 影响因子：1.5； 五年影响因子：2.1 ）

ISSN： 1983-2052

年卷期： 2025 年 50 卷 1 期

页码：

收录情况： SCI

摘要： Root-knot nematodes (RKNs) can severely impact tomato cultivation. Combining chemical control with agricultural and biological measures is important for controlling RKN diseases. In greenhouse experiments performed from 2018-2019, ILeVO, Kuaixian, Saoxianbao, Zhuanxian and Lanligensha controlled 92.3%, 89.1%, 51.1%, 35.9% and 43.6% of RKN diseases, respectively, when applied individually. When these nematicides were combined with Bacillus methylotrophicus (YB-04), 100.0%, 87.2%, 59.0%, 56.9% and 71.5% of RKN diseases were controlled, respectively. In a field experiment from 2018-2020, the corresponding efficacies were 92.7%, 86.5%, 72.2%, 57.6% and 47.7% when the nematicides were applied individually and 95.2%, 91.3%, 41.0%, 71.8% and 56.7% when combined with YB-04. Significantly greater soil nematode juvenile inhibition rates (82.4% and 72.4%, respectively) were obtained when ILeVO and Lanligensha were combined with YB-04 compared to the other treatments (P<0.05). The effects of the chemicals on tomato growth and yield were determined. The most significant growth-promoting effect (P<0.05) was obtained with ILeVO combined with YB-04. The plant height, fresh weight, root length, root weight, and stem base width increased by 36.0%, 76.7%, 85.1%, 77.3%, and 18.8%, respectively, in the greenhouse experiments and 53.3%, 92.2%, 45.0%, 73.5%, and 57.1%, respectively, in the field experiment compared with the control. The most significant effects on the average total fruit weight per plant (P<0.05) were achieved when ILeVO and Kuaixian were combined with YB-04; the average weights were 1579.5 g and 1367.6 g per plant, which were 83.0% and 58.4% greater, respectively, than that of the control. The nematode control effect and average total fruit weight per plant increased when the nematicides were combined with YB-04.

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