Abstract: In order to investigate the effect of extracts of sheep-dung on seed germination of seven oat(Avena sativa) varieties,the dung extracts with different concentrations (0,25%,50%,75%,100%) were used to treat seeds of seven oat species (‘Forage plus’,‘Haymaker’,‘Everleaf 126’,‘Shooter’,‘Charisma’,‘Souris’ and ‘Baler’) and the germination rates of these species were measured. The results showed that:100% dung extracts showed inhibited the germination rate of Shooter (P<0.05),and the germination rates of the other six verities was not affected by dung extracts;The germination index of different species of Haymaker,Charisma,Souris and Baler seeds were significantly inhibited by dung extracts (P<0.05). The germination index of different species decreased gradually with the increase of concentration of dung extracts. The seed vigor index of different species were significantly decreased when treated with 100% concentration extracts (P<0.05),while the 50% dung extracts significantly improved the seed vigor index of Forage plus,Haymaker,Souris and Baler (P<0.05).

Key words: Sheepdung, Maceration extract, Oat seed, Germination characteristics

摘要： 为研究羊粪对燕麦（Avena sativa）种子萌发特性的影响，以不同浓度羊粪浸提液（0、25%、50%、75%、100%）处理的7个品种（‘燕王’、‘牧王’、‘爱沃’、‘枪手’、‘魅力’、‘领袖’和‘贝勒’）的燕麦种子进行萌发试验。结果表明：100%羊粪浸提液显著抑制枪手的发芽率（P<0.05），其他6个品种燕麦种子发芽率没有受羊粪浸提液的影响；羊粪浸提液显著降低‘牧王’、‘魅力’、‘领袖’和‘贝勒’的发芽势（P<0.05），且随着浸提液浓度的升高，种子发芽势逐渐降低；随着浸提液浓度的升高，各品种燕麦种子的发芽指数均有逐渐降低的趋势；100%浓度浸提液显著降低种子活力指数（P<0.05），而50%浸提液能显著提高‘燕王’、‘牧王’、‘领袖’和‘贝勒’的活力指数（P<0.05）。

关键词: 羊粪, 浸提液, 燕麦种子, 发芽特性