고추약한모틀바이러스 병원형 P1,2 및 P1,2,3 생물검정을 통한 저항성 고추유전자원 선발

• 영문명: Resistance Screening of Capsicum Germplasm to Pepper Mild Mottle Virus (PMMoV) Pathotypes P1,2 and P1,2,3
• 발행기관: 한국육종학회
• 저자명: 허온숙 곽해련 노나영 최유미 이수경 황애진 김빛샘 김성훈 한범수
• 간행물 정보: 『한국육종학회지』Vol.54 No.1, 1~7쪽, 전체 7쪽
• 주제분류: 농수해양 > 기타농수해양
• 파일형태: PDF
• 발행일자: 2022.03.31

영문 초록

Pepper mild mottle virus (PMMoV), a member of the genus Tobamovirus, is one of the most threatening pathogens affecting commercial pepper production, and it is classified into pathotypes P1,2 and P1,2,3. As chemical and physical treatments show limited success in controlling PMMoV, resistant pepper varieties are considered the most effective means of disease control. Two hundred pepper germplasms, including 167 accessions of Capsicum chinense and 5 reference accessions known as resistant L alleles, were assessed using a bioassay to select germplasms resistant to PMMoV. Six accessions, including IT261210, were resistant to both PMMoV pathotypes P1,2 and P1,2,3 as they developed necrotic local lesions only on inoculated leaves, whereas no symptoms were observed on the upper leaves. Moreover, RT-PCR results of the upper leaves of these accessions were also negative. Thus, the identified accessions may be a novel source of genetic resistance against present or emerging new pathotypes and may be useful for differentiating L alleles.

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키워드

Capsicum chinense germplasm PMMoV resistance