Tim Brenneman, Courtney Cameron, Jason Brock, Marin Brewer, and L. J. Grauke Archives - Pecan South MagazinePecan South magazine | The pecan industry's leading publication, published monthly for pecan producers, processors and all others involved or interested in the pecan industry.

A green pecan leaf with a brown leison growing in from the leaf tip. The leaf tip is curling in and dying off from neofusicoccum caryigenum.

by Tim Brenneman, Courtney Cameron, Jason Brock, Marin Brewer, and L. J. Grauke Studies

Neofusicoccum caryigenum, a new pecan pathogen finally gets a name

A new disease was observed on pecan trees in Georgia about nine years ago. Pecan is susceptible to numerous diseases, but these symptoms were unique and had not been observed previously. They were initially found on large ‘Stuart’ trees, specifically on leaflets with one or more galls from phylloxera feeding. The disease was subsequently found...