CAJ | 학술논문

采用平板对峙接种法和温室盆栽试验，测定18种木霉共175个菌株对黄瓜枯萎病菌、辣椒疫霉病菌和番茄青枯病菌3种不同类型的蔬菜土传病害病原菌的防效，筛选生防木霉资源。试验结果表明：拮抗试验中，拮抗黄瓜枯萎病菌的木霉菌株有50株，抑制率达70.0%～86.3%；拮抗辣椒疫霉病菌的木霉菌株43株，抑制率达70.4%～88.7%。盆栽试验中，筛选出番茄青枯病的生防菌株32株，防效达50.0%～92.7%。进一步对在拮抗试验中对黄瓜枯萎病菌抑制率达75%以上的其中13株木霉菌进行盆栽防效评价，获得防效超过60%的高效菌株2株，分别为T52（深绿木霉）和32080（平菇木霉）。
채용평판대치접충법화온실분재시험，측정18충목매공175개균주대황과고위병균、랄초역매병균화번가청고병균3충불동류형적소채토전병해병원균적방효，사선생방목매자원。시험결과표명：길항시험중，길항황과고위병균적목매균주유50주，억제솔체70.0%～86.3%；길항랄초역매병균적목매균주43주，억제솔체70.4%～88.7%。분재시험중，사선출번가청고병적생방균주32주，방효체50.0%～92.7%。진일보대재길항시험중대황과고위병균억제솔체75%이상적기중13주목매균진행분재방효평개，획득방효초과60%적고효균주2주，분별위T52（심록목매）화32080（평고목매）。
This paper had screened the bio-control resources of 18Trichoderma species,including 175 strains,against 3 kinds of soil-born vegetable pathogens asFusarium oxysporumf. sp. cucumebrium Owen, Phytophthora capsiciand Ralstonia solanacearum through confront culture experiments and green house potted plant experiments. The results indicated that through confront culture experiments,we have screened out 50Trichoderma strains with inhibitation rate as 70.0%-86.3% against Fusarium oxysporumf. sp. cucumebrium Owen,and 43Trichodermastrains with inhibitation rate as 70.4%-88.7% againstPhytophthora capsici.And the potted plant experiments have screened out 32Trichoderma strains with bio-control efficacy of 50.0%-92.7% againstRalstonia solanacearum.We further assessed the bio-control efficacy of 13Trichoderma strains with antagonistic inhibitation rate higher than75% by potted plant experiment,and found 2Trichoderma strains T52 (Trichoderma atroviride) and 32080 (Trichoderma pleurotum) with high bio-control efficacy over 60%.