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IVGreenPreventionandControlofRiceBacterialLeafBlight
CaoJian
IVGreenPreventionandControlofRiceBacterialLeafBlightRicebacterialleafblight,commonlyknownaswhiteleafblast,etc.,isanimportantbacterialdiseaseonrice.Itmainlyresultsindryleaves,increasednon-setrate,andreducedthousand-seedweight,furtherresultingindifferentdegreesofyieldreduction.
FieldSymptomsofRiceBacterialLeafBlightYellowishRoe-likeBacterialPusIVGreenPreventionandControlofRiceBacterialLeafBlight
ThepathogenofricebacterialleafblightisabacteriumnamedXanthomonasoryzaepv.oryzae(Xoo).Thepathogengrowsandpropagatesthefastestat25–30°C.IVGreenPreventionandControlofRiceBacterialLeafBlight
TransmissionandInfestationIVGreenPreventionandControlofRiceBacterialLeafBlight
ControlTechnique(1)Strengthenplantquarantine:Strictlyimplementtheplantquarantinesystemtopreventthediseasefrombeingtransmittedintodisease-freeareas.Establishdisease-freeseedfieldsininfectedareastocontrolthedevelopmentofthedisease.(2)Select(breed)disease-resistantcultivars:Selecting(breeding)localdisease-resistantcultivarsisthemaincost-efficient,labor-saving,andeffectivemeasuretocontrolbacterialleafblight.(3)Seedtreatment:Soaktheseedswitha1:50dilutionofformalinfor3hoursbeforesowing,thensmotherseedsfor12hours,andwashthembeforegermination.Itisalsofeasibletouse2mLofemulsifiableconcentratetosoak6–8kgofseedsbyadding10–12Lofwaterafterfullystirring,for36hoursbeforegerminationandsowing.(4)Strengthencultivationmanagement:Removetheresidueofstrawinthediseasedfield,anddonotreturnthediseasedstrawdirectlytothefield,soastopreventthepathogenicbacteriaonthediseasedstrawfrombeingtransmittedintothericefieldandoriginalfieldasmuchaspossible.Properapplicationoffertilizer,scientificuseo
有哪些信誉好的足球投注网站
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