Damping-off of Indian Lettuce Caused by Rhizoctonia solani AG-4

Damping-off symptoms were frequently observed on young plants of Indian lettuce (Lactuca indica) grown in a farmer's vinyl greenhouse located in Goseong, Gangwon province of Korea during a disease survey in June 2019. The incidence of diseased plants in the vinyl greenhouse investigated was 30-...

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Main Authors: Youn-Gi Moon, Se-Won Kim, Hyun-Taek Seo, Wan-Gyu Kim
Format: Article
Language:English
Published: The Korean Society of Mycology 2020-12-01
Series:한국균학회지
Subjects:
Online Access:http://www.kjmycology.or.kr/article/?num=N0320480416
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author Youn-Gi Moon
Se-Won Kim
Hyun-Taek Seo
Wan-Gyu Kim
author_facet Youn-Gi Moon
Se-Won Kim
Hyun-Taek Seo
Wan-Gyu Kim
author_sort Youn-Gi Moon
collection DOAJ
description Damping-off symptoms were frequently observed on young plants of Indian lettuce (Lactuca indica) grown in a farmer's vinyl greenhouse located in Goseong, Gangwon province of Korea during a disease survey in June 2019. The incidence of diseased plants in the vinyl greenhouse investigated was 30-50%. Four isolates of Rhizoctonia sp. were obtained from the diseased plants and identified as Rhizoctonia solani AG-4 based on the morphological characteristics and anastomosis test. Three isolates of R. solani AG-4 were tested for pathogenicity on Indian lettuce by artificial inoculation. All the tested isolates induced damping-off symptoms on the inoculated plants. The symptoms were similar to those observed in plants from the farmer's vinyl greenhouse investigated. This is the first report of R. solani AG-4 causing damping-off in Indian lettuce.
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spelling doaj.art-a20f4bb7d5c14750b78bc5efce62e9272022-12-21T22:47:32ZengThe Korean Society of Mycology한국균학회지0253-651X2383-52492020-12-0148451952110.4489/KJM.20200051N0320480416Damping-off of Indian Lettuce Caused by Rhizoctonia solani AG-4Youn-Gi Moon0Se-Won Kim1Hyun-Taek Seo2Wan-Gyu Kim3Wild Vegetable Research Institute, Gangwondo Agricultural Research and Extension Services, Pyeongchang 25300, KoreaWild Vegetable Research Institute, Gangwondo Agricultural Research and Extension Services, Pyeongchang 25300, KoreaWild Vegetable Research Institute, Gangwondo Agricultural Research and Extension Services, Pyeongchang 25300, KoreaGlobal Agro-Consulting Corporation, Hwaseong 18330, KoreaDamping-off symptoms were frequently observed on young plants of Indian lettuce (Lactuca indica) grown in a farmer's vinyl greenhouse located in Goseong, Gangwon province of Korea during a disease survey in June 2019. The incidence of diseased plants in the vinyl greenhouse investigated was 30-50%. Four isolates of Rhizoctonia sp. were obtained from the diseased plants and identified as Rhizoctonia solani AG-4 based on the morphological characteristics and anastomosis test. Three isolates of R. solani AG-4 were tested for pathogenicity on Indian lettuce by artificial inoculation. All the tested isolates induced damping-off symptoms on the inoculated plants. The symptoms were similar to those observed in plants from the farmer's vinyl greenhouse investigated. This is the first report of R. solani AG-4 causing damping-off in Indian lettuce.http://www.kjmycology.or.kr/article/?num=N0320480416anastomosisdamping-offindian lettucepathogenicityrhizoctonia solani ag-4
spellingShingle Youn-Gi Moon
Se-Won Kim
Hyun-Taek Seo
Wan-Gyu Kim
Damping-off of Indian Lettuce Caused by Rhizoctonia solani AG-4
한국균학회지
anastomosis
damping-off
indian lettuce
pathogenicity
rhizoctonia solani ag-4
title Damping-off of Indian Lettuce Caused by Rhizoctonia solani AG-4
title_full Damping-off of Indian Lettuce Caused by Rhizoctonia solani AG-4
title_fullStr Damping-off of Indian Lettuce Caused by Rhizoctonia solani AG-4
title_full_unstemmed Damping-off of Indian Lettuce Caused by Rhizoctonia solani AG-4
title_short Damping-off of Indian Lettuce Caused by Rhizoctonia solani AG-4
title_sort damping off of indian lettuce caused by rhizoctonia solani ag 4
topic anastomosis
damping-off
indian lettuce
pathogenicity
rhizoctonia solani ag-4
url http://www.kjmycology.or.kr/article/?num=N0320480416
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AT hyuntaekseo dampingoffofindianlettucecausedbyrhizoctoniasolaniag4
AT wangyukim dampingoffofindianlettucecausedbyrhizoctoniasolaniag4