A Study on Main Pests of Paeonia suffruticosa and Its Control

Red leaf spot,root rot and root-knot nematode were the main pests of Paeonia suffruticosa occurred prevalently in Paeonia suffruticosa cultivation area in Heze county of Shandong province.Based on the systematically study on three pests,the pathogens,rules of occurrence and development,and control methods were reported in detail.