Bleeding canker,a devastating disease of pear trees(Pyrus pyrifolia L.),was first reported in the 1970 s in Jiangsu,China and more recently in other provinces i
Bleeding canker, caused by Dickeya fangzhongdai, is a devastating disease of pear in China. The bacterium causes cankers, branch die-back, and eventually kills
The World Health Organization declared COVID-19 as a pandemic on 11 March 2020. Its rapid spread has put a strain on healthcare systems globally. Singapore rank