Abstract
Bacterial wilt caused by plant pathogenic Ralstonia spp. is one of the most important diseases affecting the production of many important crops worldwide. In China, a large scientific community has been dedicated to studying bacterial wilt and its causative agent, Ralstonia pseudosolanacearum and R. solanacearum. Most of their work was published in Chinese, which has hindered international communication and collaboration in this field. In this review, we summarize the status of knowledge on geographical distribution, diversity, and host range of Ralstonia spp., as well as, the impact of bacterial wilt on important crops and disease control approaches, in China. We present areas of research and publications by Chinese scientists and propose the promotion of collaborative research within China and with the international community.
Highlights
Bacterial wilt disease caused by Ralstonia solanacearum is a serious threat to crop production worldwide (Hayward, 1991)
Estimating economic losses caused by the bacterial wilt disease in China is difficult since direct yield losses vary widely according to Balsam pear, Eucalyptus, peanut, tomato, potato
In beefwood (Casuarina spp.), bacterial wilt was first observed in Guangdong in 1964, and was reported in Fujian, Guangxi, Hainan (Deng and Nan, 1979; Liang and Wang, 1982; Zheng et al, 1992)
Summary
Bacterial wilt disease caused by Ralstonia solanacearum is a serious threat to crop production worldwide (Hayward, 1991). This species complex infects 100s of plants, including many economically important crops, such as tobacco, tomato, and potato (Hayward, 1991). Guangxi, Guangdong, Sichuan, Taiwan, Chongqing, and Hunan are the provinces where Ralstonia spp. strains have been most frequently isolated and described based on the available reports (Figure 1).
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