Research in Plant Disease 2011;17(1):59-65.
Published online April 30, 2011.
토마토반점위조바이러스에 대한 재배 및 야생형 고추 수집종의 병징과 저항성 조사
한정헌, 이원필, 이준대, 김미경, 최홍수, 윤재복
Symptom and Resistance of Cultivated and Wild Capsicum Accessions to Tomato Spotted Wilt Virus
Jung Heon Han, Won Phil Lee, Jun Dae Lee, Mi Kyung Kim, Hong Soo Choi, Jae Bok Yoon
One hundred Capsicum accessions were screened for symptomatic response and resistance to Tomato spotted wilt virus-pb1 (TSWV-pb1). Symptom and its severity rating were checked by visual observation at 9, 12, 14, and 45 days after inoculation, respectively. Enzyme-linked immune-sorbent assay was performed all tested individuals on non-inoculated upper leaves after the third rating to indentify viral infection. Leaf curling was predominant in almost susceptible individuals of each accession. Stem necrosis was most frequent in wild species while yellowing in commercial hybrids and Korean land race cultivars. Ring spot, a typical symptom of TSWV, was rarely detected in some of a few accessions. Different levels of resistance to TSWV-pb1 were observed among the tested accessions. High level of resistance was detected in 4 commercial cultivars of Kpc- 35, -36, -57, and -62, and 8 wild species of PBI-11, C00105, PBC076, PBC280, PBC426, PBC495, PBC537, and PI201238 through seedling test by mechanical inoculation.
Key Words: Chili pepper, Resistance, Tomato, Tomato spotted wilt virus
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