细胞分裂素生产菌提高马铃薯抗旱性的生理生化特性研究  

Physiological and biochemical characteristics of Solanum tuberosum L. with drought resistance improved by cytokinin-producing bacteria

作　　者：潘澈[1] 刘柯驿湖南农业大学生物科学技术学院 兰时乐湖南农业大学生物科学技术学院 王惠群[2,3] 陈亚波[1] 

机构地区：[1]湖南农业大学东方科学技术学院,湖南长沙410128 [2]湖南农业大学生物科学技术学院,湖南长沙410128 [3]植物激素与生长发育湖南省重点实验室,湖南长沙410128

出　　处：《湖南农业大学学报（自然科学版）》2012年第5期501-505,共5页Journal of Hunan Agricultural University(Natural Sciences)

基　　金：湖南省科学技术厅项目(2010NK3022;2011FJ3179);湖南省教育厅项目(SCX1104)

摘　　要：以马铃薯合作–88为材料,通过向土壤中分别加入巨大芽孢杆菌和枯草芽孢杆菌溶液,结合水分亏缺灌溉(DI)进行土壤盆栽试验,比较水分亏缺状态下细胞分裂素生产菌处理对马铃薯幼苗农艺性状、生理生化特性的影响。结果表明:加入细胞分裂素生产菌后,马铃薯的水分利用率及其抗旱特性比对照均有显著提高,加入枯草芽孢杆菌后,马铃薯的根长、根干重、根系活力和干物质储存量均比加入巨大芽孢杆菌的要高。Potato variety Hezuo–88 was used in pot experiment to compare the effects of different cytokinin-producing bacteria on agrochemical,physiological and biochemical characteristics of potato seedling under water deficit by adding Bacillus megaterium solution and Bacillus subtilis solution to soil combined with deficit irrigation.The results showed that water use efficiency and drought resistance of potato were improved significantly after adding cytokinin-producing bacteria compared to the control.The root length,root fresh weight,root activity and root dry matter storage of potato in the treatment added with Bacillus subtilis were higher than those in the treatment added with Bacillus megaterium.

关 键 词：马铃薯 细胞分裂素生产菌 抗旱性 

分 类 号：Q945.78[生物学—植物学]