果树化学调控技术协作组于1991年3月4～6日在北京市农科院林果研究所召开了第二次果树化学调控技术研讨会。参加会议的有协作成员单位中国农科院郑州果树所等17个,中国农业科学院科研部和农药大田药效试验网的负责同志亦到会指导。会议交流了一年来多效唑在果树上应用研究的进展,明确了进一步的主攻方向。 Fruit tree chemical control technology collaboration group in March 4, 1991 to 6 in Beijing Academy of Agricultural Sciences Institute of fruit and fruit held a second fruit tree chemical control technology seminar. 17 cooperative members from the Chinese Academy of Agricultural Sciences, Zhengzhou Fruit Tree and other responsible comrades from the Scientific Research Department of Chinese Academy of Agricultural Sciences and the field trial of pesticide field trial also attended the conference. The conference exchanged the progress of the application research of PP333 in fruit trees in the past year and clarified further the main directions.