Research in Plant Disease 2008;14(2):85-89.
Published online August 30, 2008.
정식 후 초기 관수횟수 감소에 따른 배추 뿌리혹병 발생 억제효과
장석원, 김희동, 김성기, 이은섭, 노용택
 
Suppression Effect of Clubroot Disease by Reduced Irrigation Times after Planting in Chinese Cabbage
Seog Won Chang, Hee Dong Kim, Sung Kee Kim, Eun Seob Yi, Yong Taek Rho
Abstract
Clubroot of Chinese cabbage, caused by Plasmodiophora brassicae, is one of the most serious plant diseases in the world. The objectives of this study were to investigate the effect of the irrigation times on the development of clubroot after planting and to evaluate the effect of clubroot disease on yield of chinese cabbage in pot and field. The clubroot disease gradually increased with increasing irrigation frequency after planting. The growth characters and yield of chinese cabbage by irrigation times varied according to soil moisture and clubroot disease severity. Based on marketable yield and control value, an ideal irrigation point was at the soil matric potential of 0.06 MPa. These results suggest that the suppression on clubroot disease development could be achieved by initially reduced irrigation times after planting. Future studies on irrigation times using fungicide treatment and resistant cultivar under natural field conditions are required to improve the control effect of clubroot.
Key Words: Chinese cabbage, Clubroot, Irrigation times, Marketability


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