省林研所渭河试验站,近几年来,每年为全省各地提供大量杨树良种。为了确保用于生产的苗条的质量,严防危险性病虫害的传播、蔓延,根据中央有关文件规定精神及陕西省林木病虫害防治座谈会要求,林研所渭河试验站和森林保护室相互配合,对渭河试验站72年所育的150余亩总计71万余株的杨树苗木,认真地进行了检疫。对杨树透翅 Provincial Institute of Weihe River Forest Research Station, in recent years, every year for the province to provide a large number of poplar varieties. In order to ensure the slim quality for production and to prevent the spread and spread of dangerous pests, according to the spirit of the relevant documents of the Central Government and the requirements of the symposium on forest pests and diseases prevention and control in Shaanxi Province, the Linhe-Weihe Experimental Station and the Forest Protection Office cooperate with each other, In the past 72 years, more than 150,000 mu of poplar seedlings, totaling more than 710,000, have been quarantined. To the poplar wing