Acta Agriculturae Boreali-Sinica ›› 2025, Vol. 40 ›› Issue (S1): 248-255. doi: 10.7668/hbnxb.20194844

Special Issue: Multigrain crops Plant protection

• Resources & Environment·Plant Protection • Previous Articles     Next Articles

Establishment and Application of Detection System for Millet Seed with Aphelenchoides besseyi

ZHANG Mengya1, GONG Keke1,2, DONG Zhiping1, LIU Jia1, MA Jifang1, WANG Yongfang1, LIU Lei1, QUAN Jianzhang1, LI Zhiyong1, BAI Hui1   

  1. 1 Institute of Millet Crops,Hebei Academy of Agriculture and Forestry Sciences,Key Laboratory of Genetic Improvement and Utilization for Featured Coarse Cereals (Co-construction by Ministry and Province),Ministry of Agriculture and Rural Affairs,Key Laboratory of Minor Cereal Crops of Hebei Province,Shijiazhuang 050035,China
    2 College of Agriculture,Henan University of Science and Technology,Luoyang 471023,China
  • Received:2024-10-16 Published:2025-12-29

Abstract:

In order to better solve the problem of false positive in the detection of Aphelenchoides besseyi Christie and establish a stable,efficient and low cost detection system for millet seed of parasitic nematodes,using millet seed of nematodes Jigu 20 as experimental materials,the number of nematode eluted by medical cotton gauze,coarse nylon gauze and thin nylon gauze was compared.Three effect methods of DNA extraction,namely,cutting,freeze-thaw,enzymatic lysis were designed and compared in order to check their efficiency of DNA extraction from singlenematode.A total of 109 millet seed samples from different seed companies in 2018,2020 and 2021 were detected by the system.The final detection system was as follows:1.5 g seeds were wrapped in thin nylon gauze and soaked for 4 h,then the elution was mixed and counted under microscope for nematode quantification; the single nematode DNA was extracted by enzymatic lysis and characterized by PCR amplification with specific primers.The pathogenic nematodes were molecular-identified as Aphelenchoides besseyi.A total of 4 seed samples from 109 millet seed samples with 5 nematodes per 1.5 g were detected.The system with nematode quantification and qualification can be used for rapid detection of nematodes in large quantities of millet seed,providing technical support for the early diagnosis,monitoring,and prevention and control of millet nematode disease.

Key words: Millet nematode disease, Aphelenchoides besseyi, DNA extraction, Specific PCR, Rapid diagnosis

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Cite this article

ZHANG Mengya, GONG Keke, DONG Zhiping, LIU Jia, MA Jifang, WANG Yongfang, LIU Lei, QUAN Jianzhang, LI Zhiyong, BAI Hui. Establishment and Application of Detection System for Millet Seed with Aphelenchoides besseyi[J]. Acta Agriculturae Boreali-Sinica, 2025, 40(S1): 248-255. doi: 10.7668/hbnxb.20194844.

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