Diseases of Peach and Nectarine in China

Prunus persica originated from China, where it has been cultivated for more than 3,000 years. Many diseases on peach and nectarine, both infectious and non-infectious, have been identified in China. Leaf curl, brown rot, anthracnose, gummosis, Leucostoma canker, scab, bacterial spot and crown gall are among the common ones. Tobacco mosaic virus, Prunus necrosis ring spot virus, Prune dwarf virus, Apple chlorotic leaf spot virus and Peach latent mosaic viroid have also been detected in China. The commonly used chemicals for disease control on peach and nectarine are bordeaux mixture, lime sulfur, mancozeb, carbendazim, and thiophanate-methyl. With increasing living standard, the consumer demand for higher quality and safer fruit is increasing, and more and more effort has been put into searching for effective biocontrol agents and active ingredients in herbal extracts.