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Articles

ANTHERS ACT AS “TINDER” AND “RESERVOIR” FOR ERWINIA AMYLOVORA TO INFECT PEAR BLOSSOMS – OBSERVATION OF ERWINIA AMYLOVORA TAGGED WITH BIOLUMINESCENCE GENES ON PEAR SURFACES

Article number
793_10
Pages
95 – 97
Language
English
Abstract
To visually observe the growth of Erwinia amylovora in the infection process on pear blossoms, detached twigs of Japanese pear with open blossoms and leaves were placed in plastic bags and sprayed with suspensions of an Erwinia amylovora strain tagged with bioluminescence genes.
Luminescence was observed periodically with a 2-D luminometer.
From the appearance and strength of the luminosity, dehisced anthers (around pollens) are considered to be likely places for E. amylovora to gain footholds to grow and to act as “tinder” and “reservoir”.

Publication
Authors
K. Azegami, T. Matsuura, Y. Inoue, A. Sasaki, T. Shimane
Keywords
fire blight, Erwinia amylovora, ecology, infection site, infection court
Full text
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