Research in Plant Disease 2004;10(4):279-284.
Published online December 31, 2004.
산초나무 잎녹병균의 중간기주 및 형태학적 특징
이승규*, 김경희, 이총규1, 김동원, 황진현1
국립산림과학원 산림병해충과, 1경상남도 산림환경연구소
Morphological Features of Coleosporium xanthoxyli and Its Alternate Host in Korea
Lee, S.K.*, Kim, K.H., Lee, C.K.1, Kim, D.Y., Hwang, J.H.1
Div. of Forest Insect and Pest Disease, Seoul 130-712, Korea
1For. Env. Res. Inst. of Kyeongsangnam-Do, Chinju 660-870, Korea
Correspondence:  Lee, S.K.,Phone)+82-2-961-2625, Fax)+82-2-961-2595, E-mail)
Received: November 23, 2004
A rust fungus has caused a serious early defoliation of Zanthoxylum schinifolium during growing seasons every year at the plantations located at Hadong and Jinju, Kyeongsangnam-Do in Korea. In order to identify the rust fungus and clarify its life cycle in Korea, aeciospores from Pinus thunbergii were artificially inoculated on the leaves of Z. schinifolium. Uredinial stage was successively formed on the leaves of Z. schinifolium. Based on the artificial inoculation test and on the morphological features of the dried specimens collected from P. thunbergii and Z. schinifolium, this rust fungus was identified as Coleosporium xanthoxyli. Morphological features of aecial and uredinial stages of the species were described. The first symptom of the infection was developed from later June to early July. And leaf infection ratio was 17.8%-58.7% during August at Hadong and Jinju regions of Kyeongsangnam-Do in Korea.
Key Words: Alternate host, Coleosporium xanthoxyli, Pinus thunbergii, Rust, Zanthoxylum schinifolium

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