欢迎来到天天文库
浏览记录
ID:33087172
大小:5.65 MB
页数:46页
时间:2019-02-20
《广西桑树线虫病害调查与桑根结线虫病的防治-研究》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、200克/升丁硫克百威乳油、40%毒死蜱乳油、10%灭线磷颗粒剂、5%硫线磷颗粒剂、0.5%阿维菌素颗粒剂、5%甲维盐水分散粒剂。推荐4kg/亩穴施的0.5%阿维菌素颗粒剂在临近桑叶采收期时使用;3kg/亩穴施5%硫线磷颗粒剂和4kg/亩穴施的10%灭线磷颗粒剂可以在桑园生产期用,但要比采桑叶提前半个月以上,先采少量桑叶喂蚕,确认无毒后再大面积使用;氯虫苯甲酰胺200克/升悬浮剂、10%噻唑膦颗粒剂、2.5亿个孢子/克厚孢轮枝菌微粒剂、200克/升丁硫克百威乳油和40%毒死蜱乳油则不推荐使用。关键词:桑树;线虫病调查;南方
2、根结线虫;抗性筛选;药剂防治InvestigationsofPlantnematodesandControlofRoot-knotNematodesonMulberryinGuangxiQiaoLiya(CollegeofAgriculture,GuangxiUniversity,Nanning530004,China)AbstractPlantnematodesweresurveyedinsomemulberrygrowingareasinYizhou,XiangzhouandHengxianofGuangxiinord
3、ertostudytheirspeciesanddominantspecies·Fourspeciesandninegeneraofplantparasiticnematodeswereidentified:Meloidogyneincognita,Helicolylenchusexallus,Criconemellainformis,Paratylenchussp.,Psilenchushilarulus,Filenchussp.,Tylenchorhynchussp.,Aphelenchussp.,Gracilacus
4、sp·,amongthem,Criconemellainformis,Paratylenchussp.,Psilenchus,Filenchussp.,Tylenchorhynchussp.,Aphelenchussp.,Gracilacussp.werereportedinGuangxiforthefirsttime.MeloidogyneincognitaWasthedominantspecies,(meanoflarvalpopulationWas123headsof2ndlarvaper100mlsoil),Hel
5、icotylenchusexallusWasthesecorddominatedonef39.1headsper100mlsoil),theotherswerealllowerthan10headsper100mlsoil.TheresuItshowedthat2500headsofMeloidogyneincognita2ndlarvaforeverymulberryisanappropriateinoculation.Guisangyou62、Sangteyou1werefoundtoberesistanttotheM
6、eloidogyneincognita,Sha2xlunl09、Sangteyou2andGuisangyoul2weresusceptible.AfterinfectedbyMeloidogyneincognita,theplantheight、leafnumberandleaffreshweightofthesusceptiblevarietiesmulberryweremoreaffected,leaflength、leafwidthwerelessaffected.Agronomictraitsoftheresis
7、tantvarietiesmulberrya11affectedlessthanthesusceptiblevarietiesmulberry.Everyagronomictraitofmulberryinpotexperimentwasaffectedmorethaninyieldexperiment.ThecontroleffectofCadusafos、Fosthiazate、Phosphorusexceed70%inbothpotexperimentandyieldexperiment,theothersabove
8、50%.Theresidualpoisonofnematicidesfromlongtoshort:Chlorantranil、Fostbjazate、Verticilliumchlamydosporium,Carbosulfan,Chlorpyrifos、Abamectin?Phosphoru岱?Ca
此文档下载收益归作者所有