Abstract
BACTERIAL blossom blight of pear is widespread in England, but it differs in severity between seasons and orchards. These differences do not appear to be related to the supply of inoculum, for recent work suggests that Ps. syringae is universally distributed on pear trees as the dominant component of the surface microflora. Orchard observations over several years have implicated frost injury to the blossoms as a major predisposing factor in the disease, and we have now confirmed this experimentally.
References
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PANAGOPOULOS, C., CROSSE, J. Frost Injury as a Predisposing Factor in Blossom Blight of Pear caused by Pseudomonas syringae van Hall. Nature 202, 1352 (1964). https://doi.org/10.1038/2021352a0
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DOI: https://doi.org/10.1038/2021352a0
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