基质接种贝莱斯芽孢杆菌对番茄穴盘苗耐旱性的影响  

Effect of Bacillus velezensis on Drought Tolerance of Tomato Plug Seedlings

作　　者：张顺顺 穆文强 尚庆茂[1,2,4] ZHANG Shunshun;MU Wenqiang;SHANG Qingmao(State Key Laboratory of Vegetable Biobreeding,Institute of Vegetables and Flowers,Chinese Academy of Agricultural Sciences,Beijing 100081,China;National Nanfan Research Institute(Sanya),Chinese Academy of Agriculture Science,Sanya 572024,Hainan,China;College of Food Science and Nutritional Engineering,China Agricultural University,Beijing 100083,China;Sanya Institute of Hainan Academy of Agriculture Sciences,Sanya 572024,Hainan,China)

机构地区：[1]中国农业科学院蔬菜花卉研究所,蔬菜生物育种全国重点实验室,北京100081 [2]三亚中国农业科学院国家南繁研究院,海南三亚572024 [3]中国农业大学食品科学与营养工程学院,北京100083 [4]海南省农业科学院三亚研究院,海南三亚572024

出　　处：《中国蔬菜》2024年第4期100-105,共6页China Vegetables

基　　金：三亚中国农业科学院国家南繁研究院南繁专项(YDLH05);海南省重大科技计划项目(ZDKJ2021005);中央引导地方区域创新体系建设项目(XZ202202YD0002C-10);国家现代农业产业技术体系资助项目(CARS-23-B10)。

摘　　要：为探究贝莱斯芽孢杆菌(Bacillus velezensis)对番茄穴盘苗耐旱性的作用,选用番茄品种中杂302,通过基质接种贝莱斯芽孢杆菌(L-S60、L-H15、LPL^(-1)17),发现在干旱胁迫条件下,与未接种对照相比,番茄穴盘苗株高提高8.95%~13.05%,存活率提高6百分点以上,3株贝莱斯芽孢杆菌之间未存在显著差异;L-S60、L-H15和LPL^(-1)17处理茎叶中Mn和Zn含量增幅分别超过30.94%、7.59%,Ca、Mg含量降幅分别大于9.48%、15.93%;干旱胁迫第3天时,L-S60、L-H15和LPL^(-1)17处理叶片脯氨酸含量分别增加62.86%、78.27%、40.29%,干旱胁迫第8天时,丙二醛含量分别降低2.34%、18.96%、7.94%。表明基质接种贝莱斯芽孢杆菌可以有效提高番茄穴盘苗耐旱性,促进幼苗生长发育。The tomato variety‘Zhongza 302’was selected to investigate the role of Bacillus velezensis(L-S60,L-H15,LPL^(-1)17)on the drought tolerance of tomato plug seedlings,which was sown into the substrate with Bacillus velezensis.It was found that compared with the control under drought stress,the height of the tomato plug seedlings was increased by 8.95%to 13.05%and survival rate was increased more than 6 percentage points.Besides,there was no significant difference existed between the three treatment groups.The increase of Mn and Zn content in stems and leaves of L-S60,L-H15 and LPL^(-1)17 treatments were respectively more than 30.94%,7.59%,and the decrease of Ca and Mg contents were respectively more than 9.48%and 15.93%.The proline content of leaves in treatment groups of L-S60,L-H15 and LPL^(-1)17 increased respectively 62.86%,78.27%and 40.29%on the 3rd day of drought stress,and the malondialdehyde content decreased respectively more than 2.34%,18.96%and 7.94%on the 8th day of drought stress.This indicates that the substrate inoculation with Bacillus velezensis can effectively improve the drought tolerance and promote the growth and development on tomato plug seedlings.

关 键 词：贝莱斯芽孢杆菌 番茄穴盘苗 耐旱性 

分 类 号：S641.2[农业科学—蔬菜学]