There are about 126 institutions engaged in fruit tree research and promotion in the Soviet Union, including 5 professional fruit tree research institutes, 52 fruit tree branches and fruit tree test stations, including 20 comprehensive fruit tree research institutes and 39 comprehensive test stations. It mainly includes: ① всесюзныйнаучноиссссс The main research content of Sumi Qiulin Fruit Tree Cultivation Institute is cold resistance. ② Magaraci Grape and Grape Processed Products Research Institute (всесоюзныйнаучнои) mainly studies new grape varieties. ③ The main research contents of "Potato Family" grape cultivation research institute (всеоюзныйниивиног) in Jiangsu are as follows. ④ The main research of Ukrainian Fruit Research Institute (украинскирнисадод). ) breeding. ⑤ Moldavia Grape Cultivation and Brewing Institute (молдав-скирнивиног) mainly studies grapes. ⑥ Armenian Institute of Grape Cultivation, Wine Making and Fruit Tree Cultivation (армянскийнивиног?) ⑧ Main research contents of National Nikitski Botanical Garden (никтскгосудартв). In addition, other fruit tree research institutes and experimental stations that have joined the * * * and national regions, as well as fruit tree majors and grape majors in agricultural colleges and universities also carry out fruit tree research.