干旱地区农业研究2016，Vol.34Issue(6)：222-227,256,7.DOI:10.7606/j.issn.1000-7601.2016.06.34
干旱胁迫及复水条件下烯效唑对大豆幼苗形态和生理特性的影响
Effects of plant growth regulator S3307 on morphological and physiological characteristics of soybean seedling under drought stress and rewater treatment
摘要
Abstract
In this research,soybean was employed as the experimental material by greenhouse to studied the effects of 50 mg· L-1 S3307 treatment under drought stress and rewater condition on the morphology and physiology of soybean seedling.The results showed that plant heights with S3307 treatment were shorter than those in CK by reducing water consumption.Stem diameter,root length and root weight were increased by the S3307 treatment to have improved drought tolerance capability.Under mild drought (60％ ～70％),moderate drought (50％ ～60％) and severe drought (35％ ～50％),leaf conductance were decreased 51.10％,31.13％,46.03％ and 49.00％,12.00％,42.00％ of by SN14 -S3307 and HN64-S3307 than SN14-CK and HN64-CK;relative water content were increased 8.96％,4.74％,7.87％ and 15.23％,14.01％,7.00％ by SN14-S3307 and HN64-S3307 than SN14-CK and HN64-CK;and chlorophyll content were increased 5.22％,4.66％,2.24％ and 8.00％,7.59％,3.61％ by SN14-S3307 and HN64-S3307 than SN14-CK and HN64-CK.In summary,PGRs spraying is important for soybean seedling and drought resistance at the three-leaf stage.关键词
大豆幼苗/干旱胁迫/复水/烯效唑/形态和生理特性Key words
soybean seedling/drought stress/rewater/S3307/morphological and physiological characteristics分类
农业科技引用本文复制引用
刘春娟,宋双伟,冯乃杰,郑殿峰,宫香伟,孙秋霞,邢豹,高杰,吕金莹..干旱胁迫及复水条件下烯效唑对大豆幼苗形态和生理特性的影响[J].干旱地区农业研究,2016,34(6):222-227,256,7.基金项目
国家自然科学基金项目(31571613,31271652) （31571613,31271652）
黑龙江省杰出青年基金项目(JC201309) （JC201309）
黑龙江农垦总局科技攻关项目(HNK12A-06-03、HNK12A-09-02) （HNK12A-06-03、HNK12A-09-02）
黑龙江八一农垦大学大学生创新创业训练计划项目(xc2014001) （xc2014001）
