Article
Screening Prunus Genotypes with Wild Plum and Almond Parentage for Resistance to Armillaria Root Disease.
Plant disease - 1 Apr 2026
Eschen Paula, Stevens Micah, Espinoza Miriam, Baumgartner Kendra
Abstract excerpt
Armillaria mellea is the most virulent causal species of Armillaria root disease in California. Rootstocks widely planted in almond orchards, namely, peach genotypes (e.g., 'Lovell'), are highly susceptible. Here we report on resistance of newly screened, diverse genotypes: plum hybrids '14-4', 'Magnus', and 'Rootpac R'; complex hybrid 'Viking'; and peach × almond hybrid 'SG 1'. The assay involved rooting clonal...
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