The results obtained are listed as followings:(1) ASPV was tested from Pyrus pyrifolia in China.
取得的主要研究结果如下：（1）砂梨上ASPV的鉴定和分离。
2
This research was carried out to compare protective effects of different packagings(paper-wrap and foam-net packages) on Huanghua pears(Pyrus pyrifolia Nakai cv.