Year: 2003
Type: article
Abstract: Lowbush blueberry production is important for the economy of Maine and the Maritime provinces, and mummy berry disease, caused by Monilinia vaccinii-corymbosi, often reduces plant stand vigor and fruit production. The severity of mummy berry disease among clones of lowbush blueberry were measured in four fields over a two year period (2001 and 2002). In each of 37 clones,lO flowering stems with and without symptoms of blight were randomly selected at flowering to represent "diseased" and "healthy " stem populations, respectively. The severity of leaf and flower blight and fruit mummification was measured for each of these stems, and the relationships between blight and fruit mummification, adjusted fruit set, and berry weight was examined. There were significant differences in the severity of leaf blight among clones within each field, but significant differences in the severity of flower blight and fruit mummification among clones were observed in only half of the fields. The average severity of leaf blight per clone (the average proportion of leaves with symptoms of blight on "diseased " stems) was consistently correlated with the average incidence of blight (the average proportion of blighted stems within a clone). However,
Author: Laura Penman
Language: English
Subfield: Plant Science
Domain: Life Sciences
SDG: Zero hunger
Open Access status: green
OpenAlex ID: W1535480209