汪德先是中国园艺学会会员、四川省园艺学会理事、高级农艺师。1992年以来,他负责承担四县一区高标准高质量的改土建园任务,完成改土建园27340亩,定植优质甜橙苗7350亩,繁育砧木苗10万余株,繁育丰脐嫁接苗18万余株;他自筹资金组织人员繁育砧木苗10万余株,嫁接各类优良苗4 Wang De was a member of China Horticultural Society, a director of Sichuan Horticultural Society and a senior agronomist. Since 1992, he was responsible for undertaking the tasks of improving high-quality soil for the construction of a highland area in four districts and one district, completing 27,340 mu of soil improvement and planting, planting 7350 acres of high-quality sweet orange seedlings, breeding over 100,000 rootstocks and breeding 18 More than 10,000 strains; he self-financing organization breeding more than 100,000 rootstock seedlings, grafting all kinds of excellent seedlings 4