The Status Survey & Comprehensive Control Of Forest Diseases & Insect Pests In Tianjin Beichen District

In order to accurately grasp the type,distribution and hazard of forest pests and diseases in Beichen District of Tianjin,understand the current situation and problems,and provide a theoretical basis and guidance for improving the level of pest control and control effect,the occurrence of forest pests and diseases in Beichen District was investigated.The main findings are as follows:A total of 34 species of forest pests were identified and identified,witch have 5 kinds of diseases and 29 kinds of pests.The diseases are poplar canker disease,poplar rot disease,poplar black spot,early deciduous disease and poplar meloidogynosis disease.The pests are Hegesidemus habrus Drake,Cryptotympana atrata,Lycorma delicatula,Abraxas miranda,Acanthopsyche nigraplaga,Anomala corpulenta,Apocheima cinerarius,Callambulyx tatarinovi,Clostera anachoreta,Diaphania quadrimaculalis,Gangarides dharma,Hyphantria cunea Drary,Lepidoptera,Malacosoma neustria testacea,Phalera grotei,Pyrrhalta aenescens,Micromelalopha troglodyte,Semiothisa cmerearia,Pterostoma sinicum,Rhyparioides amurensis,Poecilocoris lewisi,Stilprotia salicis,Anoplophora glabripennis,Apriona swainsoni,Agrilus marcopli,Parathrene tabaniformis,Holcocerus insularis Staudinger,Zeuzera leuconolum Butler,Hartigia viator.The most serious damage occurred are Hyphantria cunea Drary,Apocheima cinerarius,Anoplophora glabripennis,poplar canker disease and poplar rot disease.Summarize the list of forest diseases and insect pests in Beichen District.Through laboratory and field experiments,we screened out the BTH which is the best for control of poplar canker.To guide the pest control systematically,the regulations for the control of forest diseases and insect pests in Beichen District were set out and promoted to the whole district.