The resistance heredity of Vitis vinifera to Uncinula necator and Plasmopara viticola 欧亚种葡萄白粉病微效抗病基因原取代积累 Molecular Cloning and Expression of a Plastid Lipid-associated Protein VpPAP1 Related to Uncinula necator Infection in Vitis pseudoreticulata