Capacity of Halyomorpha picus Transmitting Phytoplasma Associated with Paulownia Witches′ Broom Improving effect of Tujia Medicine Tianzhusan on learning and memory impairment caused by cerebral ischemia Factors influencing pathogenicity of Uromyces striatus Impact of Zoophthora anhuiensis (Entomphthoraceae) on the fecundity of Myzus persicae apterae during the latent period of its infecti on