Research Progress of Biological Activity of Oligogalacturonic acid Fungicide and insecticide activity of Justicia procumbens extracts Insecticidal and Fungicidal Activities of the Extracts of Thirty Medicinal Plants Pesticidal activity and fungicidal activity of a new component tianshanmysin Separation of SYP-Z048 Z-, E- isomers and evaluation on their inhibitory activities to fungi