中国烟草科学2015，Vol.36Issue(6)：68-72,5.DOI:10.13496/j.issn.1007-5119.2015.06.012
干旱胁迫条件下微生物制剂对烤烟根系生理特性的影响
Effects of a Micro-biological Agent on Nutrition,Growth and Biomass of Tobacco Roots in Flue-cured Tobacco under Drought Stress
摘要
Abstract
To study the impact of microbial agents on tobacco root growth and soil moisture conditions under drought stress,the amount of root nutrition,growth,fresh and dry weights of tobacco roots were studied with different degrees of drought stress by controlling irrigation on Luyan 1 by using pot experiment.The results showed that a certain amount of microbial agents can promote Luyan the 1st root growth and root uptake of nitrogen,phosphorus,potassium,and increase root fresh and dry weight.In addition,under the same drought conditions,with the increase of microbial agent application,the soil moisture rate was higher,indicating that the microbial agent may improve soil moisture by reducing water using efficiency of tobacco.In this study the best results were obtained when 45 g/pot microbial agent was applied and when the irrigation amount was 120 mm,160 mm,and 120 mm at the root spreading stage,the vigorous growing stage and the maturing stage respectively.关键词
干旱胁迫/微生物制剂/烤烟/根系Key words
drought stress/micro-biological agent/flue-cured tobacco/roots分类
农业科技引用本文复制引用
韩庆典,刘钰,韩玉涛,刘凌霄,杨美娟,谢宝东,黄择祥..干旱胁迫条件下微生物制剂对烤烟根系生理特性的影响[J].中国烟草科学,2015,36(6):68-72,5.基金项目
国家自然科学基金项目(31301397) （31301397）
山东省高校科技发展计划项目(J13LF11) （J13LF11）
国家级星火计划项目(2014GA740081) （2014GA740081）
临沂大学校级科技项目(BS201017) （BS201017）
