Establishment of small molecular monoclonal antibody technology platform in Chinese materia medica Preparation of polyclonal antibody of a chitinase from Magnaporthe oryzae and its usage for detection Purification and Antibody Preparation of Choline Monooxygenase in Spinach Leaves Knockdown of nonstructural protein P5-1 of Southern rice black-streaked dwarf virus prevents viral multiplication in vector insects Identification of VvEXP Gene from Grape Roots Infected by Phylloxera and Preparation of Polyclonal Antibody to Grape Expansin