引进4个山药品种进行生育期、农艺性状、产量及品质的比较试验。结果表明,桂淮2号生育期最长,生长势最旺盛,产量最高,品质居中,可考虑作为菜用及加工品种引进进一步试种;铁棍山药产量较低,但品质最佳,可作为保健食品引进进一步观察。 The introduction of 4 varieties of yam growth period, agronomic traits, yield and quality comparison test. The results showed that Guihuai No.2 had the longest growing period, the most vigorous growth potential, the highest yield and the highest quality, and could be considered as a further trial for vegetable and processed varieties. The yield of iron bar yam was lower but the quality was the best Health food introduced further observation.