supported by the National Natural Science Foundation of China (30360066);the National Key Technologies R&D Program of China (2003BA546C);the Foundation Science and Technology Commission Xinjiang Production and Construction Corps,China(NKB02SDXNK01SW)
To understand the distribution of Apple stem pitting virus (ASPV) in tissues of pear tree and provide directly theorical and technical support for shoot tips detoxication, leaves and shoot tips of Korla pear were us...