碎米莎草种子萌发条件研究  

Research on Seed Germination Condition of Cyperus iria

作　　者：黄勤勤[1] 柏连阳[1,2] 邬腊梅[1,2] 金晨钟[1] 

机构地区：[1]湖南省农田杂草防控技术与应用协同创新中心湖南人文科技学院,湖南娄底417000 [2]湖南省农业科学院

出　　处：《现代农业科技》2016年第11期156-156,162,共2页Modern Agricultural Science and Technology

基　　金：湖南省高校产业化培育项目(13CY030);湖南省高校创新平台开放基金(15K066);湖南人文科技学院产学研引导项目(2013CXY04)

摘　　要：研究了不同浓度硫酸、聚乙二醇、赤霉素、硝酸钾在不同浸种时间下对碎米莎草种子发芽率的影响。结果表明,赤霉素、聚乙二醇、硝酸钾单独处理可显著提高莎草种子发芽率,碎米莎草在0.3%硝酸钾浸种24 h发芽率最高,达到91.3%。硫酸对提高碎米莎草种子发芽率作用不大。The different concentration of sulphuric acid and polyethylene glycol, different concentration of gibberellin, different concentrations of potassium nitrate sedge of Cyperus iria seed germination rate under different seed soaking time were studied. The experimental results showed that gibberellin, polyethylene glycol （peg）, separate treatment could significantly improve the Cyperus iria seed germination rate of potassium nitrate, Cyperus iria in 0.3% potassium nitrate seed soaking for 24 h the highest germination rate ,up to 91.3%. Sulfuric acid had not effective effect to improve the Cyperus iria seed germination rate.

关 键 词：碎米莎草 硫酸 聚乙二醇 赤霉素 硝酸钾 发芽率 

分 类 号：S451[农业科学—植物保护]