欢迎来到天天文库
浏览记录
ID:57926881
大小:1.05 MB
页数:7页
时间:2020-04-16
《细菌SnebYK诱导大豆抗阿特拉津的效果评价-论文.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、中国油料作物学报2014,36(5):641-647ChineseJournalofOilCropSciencesdoi:10.7505/j.issn.1007-9084.2014.05.013细菌SnebYK诱导大豆抗阿特拉津的效果评价112111陈乐,赵莹莹,王媛媛,朱晓峰,陈立杰,段玉玺(1.沈阳农业大学植物保护学院/北方线虫研究所,辽宁沈阳,110866;2沈阳农业大学生物科学技术学院,辽宁沈阳,110866)摘要:除草剂阿特拉津易对大豆产生药害,细菌菌株SnebYK(Klebsiellapneumoniae)能够诱导大豆抗阿特拉津。选用50
2、个不同地区的大豆品种进行验证,进一步确定细菌SnebYK对大豆抗性的诱导效果。结果表明:经过2细菌SnebYK发酵液诱导处理的大豆能在阿特拉津有效成分500g/hm的土壤条件下正常生长,地上部干物质积累量增加,株高、根长、地上部鲜重和地下部鲜重与未施用阿特拉津的对照无显著差异(P<0.05),冠部和根部的药害反应均在80%以上;开花结果未受影响,成熟期株高、豆荚数和百粒重与对照无显著差异(P<0.05)。说明细菌SnebYK能有效增加大豆对阿特拉津的耐性,经过SnebYK处理的大豆能在施用阿特拉津的环境下正常生长,这为大豆与玉米的轮作以及大豆田施用阿特
3、拉津提供可能性。关键词:大豆;细菌;阿特拉津;伤害反应;诱导抗性+中图分类号:S451.1224,S482.4文献标识码:A文章编号:1007-9084(2014)05-0641-07EvaluationofbacterialstrainSnebYKinducedsoybeanagainstatrazine112111CHENLe,ZHAOYing-ying,WANGYuan-yuan,ZHUXiao-feng,CHENLi-jie,DUANYu-xi(1.NematologyInstituteofNorthernChina,CollegeofPla
4、ntProtection,ShenyangAgriculturalUniversity,Shenyang110866,China;2.CollegeofBiotechnology,ShenyangAgriculturalUniversity,Shenyang110866,China)Abstract:SoybeanwassensitivetoAtrazine[2-chloro-4,6-bis-(ethylamino)-s-triazine],awidelyusedherbicideinagriculture.Previousstudyindicated
5、thatthebacteriaKlebsiellapneumoniaestrainSnebYKinducedresistancetoatrazineinsoybean.50differentsoybeanvarietieswereselectedtoinvestigatetheeffectof2SnebYKoninducedresistance.Resultsshowedthatsoybeangrownnormallyinthesoilwith500g/hmatrazine(effectivecomponent)afterSnebYKculture
6、.Dryshootweightofthesoybeanwashigherthancontrol.Plantheight,rootlength,freshshootweightandfreshrootweightwerenotsignificantlydifferentfromcontrol.Injuryresponseofshootandrootwerebothabove80%.Soybeanbloomingandfruitingwerenotaffectedbyatrazine.Duringmatureperiod,plantheight,podnu
7、mberperplantandhundred-grainweightwerenotsignificantlydifferentfromcontrol.ResultssuggestedthatbacteriaSnebYKcouldeffectivelyimprovesoybeantolerancetoatrazine,andmadesoybean-cornrotationavailable.Keywords:Soybean;Bacteria;Atrazine;Injuryresponse;Inducedresistance大豆是世界上最重要的油料作物,也
8、是植物源2-氯-4-乙氨基-6-异丙氨基-1,3,5-三嗪)[1]蛋白质和植物脂肪的主要来源。
此文档下载收益归作者所有