Studies on the Effect of Dihydromyricetin on Antilipid-peroxidation Studies on anti-hyperglycemic effect and its mechanism of Clinopodium chinense Effects of estrogen stress on seed germination, seedling growth and accumulation in radish Response Characteristics of Physiological Defense Indexes of Host Plant at Early Stage of Arbuscular Mycorrhiza Development between Amorpha fruticosa and AM Fungi