Open access
Sep 2026
Molecular Screening and Field Validation of Potato Germplasm for Resistance to Potato Cyst Nematodes
Potato cyst nematode (PCN; Globodera spp.) is an internationally quarantined pest threatening potato production in Yunnan, Sichuan, and Guizhou, China. We screened 418 potato accessions using markers 57R (H1), Gro1-4(Gro1-4), and Gpa2-2(Gpa2). Detection frequencies were 40.43% (Gpa2-2), 14.35% (57R), and 3.11% (Gro1-4)...
Xi Yang, Zongming Guo, Yan-Chao Yue et al.
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