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时间:2018-11-06
《新型药剂对大豆胞囊线虫防控效果及大豆产量的影响》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
1、新型药剂对大豆胞囊线虫防控效果及大豆产量的影响王玲周杰奎煙喻量枚奎永才刘明里崖东刘淼黑龙江省农业科学院耕作栽培研宄所浙江大学农业与生物技术研究院摘要:大豆胞囊线虫是一类重要的植物病原线虫,常规药剂难以防控,对我国大豆生产造成了巨大的影响。生物防治和作物抗性诱导技术是目前大豆胞囊线虫防治较为切实可行的方法,本文研究了生防药剂“禾力素”的药效及其不同处理方式(叶面喷施和种子包衣处理)对哈尔滨地区不同时期连作大豆产量及胞囊线虫抑制效果的影响。结果表明:禾力素两种处理方式均能够有效抑制胞囊线虫生长,减少大豆根系胞囊发生,并对大豆生长发育具有显著的促进作用,大
2、幅提高大豆产量,是一种防控大豆胞囊线虫发生的理想药剂。关键词:大豆胞囊线虫;生防药剂;生物防治;作者简介:王玲(1984-),女,博士,助理研宂员,主要从事有害生物发生机制与控制研宄。E-mail:lingling6958@163.com。作者简介:来永才(1964-),男,博士,研究员,主要从事作物遗传育种与耕作栽培研宄。E-mail:yarae0451@163.com。收稿日期:2017-06-12基金:国家重点研发计划(2016YED0201001)EffectofNewAgentsonHeteroderaglycinesControlandY
3、ieldofSoybeanWANGLingZHOUJieLIWeiYUJing—quanLAIYong-caiLIUMingBIYing-dongLIUMiaoCultivationandCropTillageInstitute,HeilongjiangAcademyofAgriculturalSciences;CollegeofAgricultureandBiotechnology,ZhejiangUniversity;Abstract:Ileteroderaglycinesisanimportantworld-wideplant-pathogen
4、nematodewhichcouldcauseseverelosstosoybeanproduction,therefore,thecontrolofitsspreadingbecomesimperative.Earlierusedapproachseemstobeineptincontrollingitsoutbreak.Inthisregard,bio-controlandcropresistanceinductiontechnologyseemtobeversatiletoolinpreventingHeteroderaglycinesinfe
5、ction.Thus,westudiedthefungicideinhibitioneffectoncysticnematodeofabio-controlagentIlelisuanditsdifferenttreatments(foliarsprayingorseedcoatingtreatment)oncontinuouscroppingsoybeanatdifferentgrowthstagesinHarbintonoticeitseffectsonyieldandHeteroderaglycinesresistance.Thefinding
6、sshowedthattheapplicationofHelisucouldefficientlyinhibitHeteroderaglycinesinfectionanddecreasetheformationofcystinsoybeanroots.Inaddition,studyalsoconfirmedthepositiveimpactsofHelisu,thetreatmentduringearlygrowthstagecouldstimulatetheoverallgrowthanddevelopmentofsoybeanplants,w
7、hichboostitsyieldssignificantly.Therefore,weproposethatHelisuisanldealagenttocontrolHeteroderaglycinesinfection.Keyword:Heteroderaglycines;Bio-controlagents;Biologicalcontrol;Received:2017-06-12大豆胞囊线虫病(soybeancystnematode,SCN),又称大豆黄萎病、火龙秧子,因其是一种土传定居性内寄土线虫大豆胞囊线虫(Ileteroderaglyci
8、nes)寄土于大豆根上,直接危害根部,是一种毁灭性病害[1-3]。该病害在东北三省、内蒙古和黄淮海等大豆主产
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