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1、熱帶作物學(xué)報(bào)2014，35(5)：967—973ChineseJournalofTropicalCrops海南省熱帶牧草病害調(diào)查及病原菌初步鑒定鄭麗，易小平，文衍堂，李志陽，李靜，何華玄，覃新導(dǎo)豐中國熱帶裳農(nóng)業(yè)科謄學(xué)院熱帶譬能矗源生態(tài)弈研究中慧心廣／東水廣州川510140中國熱帶農(nóng)業(yè)科學(xué)院熱帶生物技術(shù)研究所．海南海12571101海南大學(xué)環(huán)境與植物保護(hù)學(xué)院．海南海口570228中國熱帶農(nóng)業(yè)科學(xué)院熱帶作物品種資源研究所．海南儋州571737摘要通過對(duì)海南省14種熱帶牧草病害的田間調(diào)查，結(jié)果顯示，常發(fā)生的病害有葉斑病、花／果／莖腐病、枝枯病等，病害類型有
2、39種。分離鑒定的結(jié)果表明，真菌性病害32種，細(xì)菌性病害1種，根結(jié)線蟲引起的病害1種，病毒類病害3種，植原體病害1種，寄生性藻類病害1種。初步查明海南省主要熱帶牧草病害的種類和為害狀況，其中柱花草為害最為嚴(yán)重的病害為炭疽病(CoUetotrichumgloeosporioidesPenZ．)．王草則以瘟病【Pyriculariagr／sea(Cke．)Sacc1發(fā)生最為嚴(yán)重，其他牧草以葉斑病為害居多，為害水平中等至輕微。關(guān)鍵詞海南?。粺釒敛?；病害調(diào)查；病原菌中圖分類號(hào)S432文獻(xiàn)標(biāo)識(shí)碼APreliminaryReportonInvestigatin
3、gDiseasesandIdentifyingPathogensonTropicalPastureinHainanZHENGLi，YIXiaoping~，WENYantang。，LIZhiyang，LIJing，HEHuaxuan，QINXindao1Guan@houExperimentalStation,ChineseAcademyofTropicalAgriculturalSciences／TropicalEnergyandEcologyResearchCentre，ChineseAcademyofTropicalAgriculturalScie
4、nces，Guangzhou，Guangdong,510140,China2InstituteofTropicalBioscieneeandBiotechnology,ChineseAcademyofTropicalAgriculturalSciences，Haikou,Hainan，571J01，China3DepartmentofPlantPathology,CollegeofPlantProtection,HainanUniversity,Haikou,Hainan570228,China4TropicalCropsGeneticResourc
5、esInstitute，ChineseAcademyofTropicalAgriculturalSciences，Danzhou,Hainna571737-ChinaAbstractBasedoninvestigating14kindsoftropicalforagegrassdiseasecensusinHainanProvince，wefoundthat39kindstropicalforagediseaseswhichmost．commonlyoccurred，suchasleafspot，blighofflower／fruit]stemand
6、rotofbranches，etc．Viarelevantmethodsfortheseparation．itshowedthattIlerewere32kindsoffungaldiseases，1kindofbacterialdisease，1kindofrootknotnematodediseasecaused，3kindsofviraldiseases．1kindofplantchlamydialdiseaseand1kindofparasiticdisease．Itpreliminarilygotclearthemainspeciesand
7、damageconditionsindifferentpastureofHainanProvince，andthemostseriousdiseasesofStylosantheswasanthracnose(ColletotrichumgloeosporioidesPenZ．)，whilePennisetumdiseaseof所iculariagriseaoccursthesame，theotherforagediseasesinthemajoritywithleafspot，weremoderatetominordamageleve1．Keywo
8、rdsHainanprovince；Tropicalforagegrass；Diseaseinvestiga
