CAJ | 학술논문

采用PDA平板对峙法、生长速率法等方法，研究了放线菌D01对马铃薯干腐病菌、马铃薯黑痣病菌、马铃薯炭疽病菌和马铃薯早疫病菌4种病原真菌的抑菌活性。结果表明，放线菌D01对4种病原真菌均表现出显著的抑菌活性，发酵液抑菌率均在70％以上；经放线菌处理后，病原真菌的基内菌丝不同程度的发生了畸变；放线菌D01对供试靶标真菌均有显著的拮抗作用，其中对马铃薯干腐病菌和马铃薯黑痣病菌的持续抑菌作用最强。
채용PDA평판대치법、생장속솔법등방법，연구료방선균D01대마령서간부병균、마령서흑지병균、마령서탄저병균화마령서조역병균4충병원진균적억균활성。결과표명，방선균D01대4충병원진균균표현출현저적억균활성，발효액억균솔균재70％이상；경방선균처리후，병원진균적기내균사불동정도적발생료기변；방선균D01대공시파표진균균유현저적길항작용，기중대마령서간부병균화마령서흑지병균적지속억균작용최강。
Fungistatic activity of actinomycetes strain D01 on Fusarium spp.,Rhizoctoniasolani,Colletotri-chumcoccodesand Alternariasolaniwas studied by confronting incubation on PDA plates,and assessing the fungi growth rates.An inhibition ratio of more than 70% to four potato fungal pathogens was gained by D01 . Substrate mycelium of target pathogens suppressed with antagonistic actinomycetes had been deformed or lysed.Actinomycetes D01 showed persistent inhibition effects on the target pathogens in different degrees,es-pecially on C.coccodesand R.solani.