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1、太子参病虫害防治(Heterophyllapestcontrol)Thepreventionandcontrolofpestsanddiseasesofp.heterophyllashouldadheretotheprevent!on,comprehensivepreventionandcontrolprinciple,chemicalcontrol,biologicalpesticidesshouldbepreferred,followedbyselectionofchemicalpesticides・Pest
2、icidechemicalcontrolshouldlimittheuseofefficient,lowtoxicityandlowresidue,shouldstrictlycontroltheconcentrationandtheamountofacres,thetimes,inamonthbeforeharvestp.heterophyllaprohibitedtheuseofanypesticide・1,virusdiseaseisfromthemostimportantdiseases・Theleave
3、softhedamagedplantsarewrinkledandtheleavesareyoungandthetubersarethinandsmal1.Thediseasegenerallyoccursintheregion,theincidencerateofupto70%,seriousharmandinfluencetheyieldandqualityofRadixpseudostellariae・Controlmethods:(1)selectingresistantvarieties・Thebest
4、forseedplanting,themosaicrarelyoccur,andhighyield;seedswith0lowtemperaturetreatment50daysaftersowing,canbecultivatedwithoutpoisonousseedling;inordertoestablishnovirusrecoveryforfarming,fortheproductionoflargearea;numerousbredtheirseed,seecltuberinthegrowingse
5、asonmustbefoundatanytimeatanytimetoreduceinfectiousmosaicstrains;timelypestcontrol,toensurethattheseedisnotpoisonous・Afterthediscoveryofthevirusdisease,youcanchoosevirus,gram,virus,Aandotheragentstopreventandcontrol.2spotdisease,leafspotdiseaseoccurredinsprin
6、gandsummerrainyseason,plantfoliageoftenroundedorirregularlyshapedbrownspots,theincideneeofseverecasescanleadtobrownleafdiebackcausedbyrootdecreases,yielddecreased・Controlmethods:removediseasedleaves,reducetheincidenceofearlywinterbacteriasource;BaoliANN(polyo
7、xin)1000timesliquidspraycontrol,mancozebinlate70%ofthe800timesliquidforpreventionandtreatmentofeachmedication,addingappropriatefoliarfertilizer,YIB,Handilong,toenhancediseaseresistanceanddroughtresistanceabilitytoincreaseproduction.3rootrot,rootrot,brownrotan
8、dtheroot,rootrot・7andAugust,hightemperatureandhumidityseasonispronetooccur,payspecialattentiontotimelydrainageaftertherainditchdrainage・Preventionmethods:thoroughlycleanthelitterresiduesa
