Filtering by tag: Guava Root Knot Nematode ✕

Galls and bumps on a sweetpotato storage root caused by root-knot nematodes (particularly, the guava root-knot nematode, Meloidogyne enterolobii).

Nematicides New and Noteworthy: Label and Registration Updates for Nematicides in Sweetpotato

Root-knot nematodes (RKN; Meloidogyne spp.) are microscopic, soilborne roundworms that feed on plant roots. In sweetpotato, they cause galls, bumps, and knots to form on the sweetpotato storage root…

Composite photograph of guava root-knot nematode damage on sweetpotato. On the left side are two photos of storage roots with galls caused by GRKN. On in the middle is GRKN galls on a sweetpotato fibrous root. On the right is a sweetpotato with skin peele

Guava Root-Knot Nematode: 2024 Emergency Management Recommendations for Sweetpotato Producers

Nothing beats the delicious and nutritious sweetpotatoes from North Carolina. Yet the guava root-knot nematode (GRKN; Meloidogyne enterolobii) continues to threaten production of this important…