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Sclerotinia rot of blueberry caused by <Emphasis Type="Italic">Sclerotinia sclerotiorum</Emphasis>
Authors:Seisaku Umemoto  Katsue Nagashima  Shigenobu Yoshida  Seiya Tsushima
Institution:(1) Chiba Pest Management Center, 804 Daizenno, Midori-ku, Chiba 266-0006, Japan;(2) Chiba Prefectural Agricultural College, Chiba, Japan;(3) Natural Institute for Agro-Environmental Sciences, Tsukuba 305-8604, Japan
Abstract:In 2002, rotted flower clusters and blighted shoot tips and leaves were observed on highbush blueberry (Vaccinium corymbosum L.) and rabbiteye blueberry (V. ashei Reade) plants in Chiba, Japan. The causal fungus isolated from the diseased plants was morphologically identified as Sclerotinia sclerotiorum (Libert) de Bary. The fungus reproduced natural symptoms after inoculation, then reisolated from the symptomatic parts. This is the first report of blueberry sclerotinia rot caused by S. sclerotiorum. The nucleotide sequence data reported are available in the DDBJ/EMBL/GenBank databases under accession numbers AB269903#(020501) and AB233346 (020505).
Keywords:Blueberry            Sclerotinia sclerotiorum            Flower cluster rot  Shoot and leaf blight
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