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| 甘薯根腐病病原的研究 | |
| 引用本文： | 胡公洛,周丽鸿.甘薯根腐病病原的研究[J].植物病理学报,1982,12(3):47-52. |
| 作者姓名： | 胡公洛 周丽鸿 |
| 作者单位： | 豫西农业专科学校 |
| 摘 要： | 近年来,在我国河南、山东、江苏、安徽、河北、湖北省发生的甘薯根腐病,经分离鉴定,主要致病菌为爪哇镰孢(Fusarium javanicum Koord),爪哇镰孢根生变种(F.javanicum var.radicicola),茄病镰孢蓝色变种(F.solani var.coeruleum),其中以爪哇镰孢致病力最强,出现频率也高。另外,在病根中还常分离到串珠镰孢胶孢变种(F.moniliforme var.subglutinans),串珠镰孢(F.moniliforme Sheldon),尖孢镰孢(F.oxysporium Schlecht),菜豆壳球孢(Macrophomina phaseoli(Maubl.) Ashby),它们在单独回接时致病力弱或不致病。 在河南省分离得到了Fusarium javanicum Koord的典型菌株,在实验室条件下能经常产生子囊阶段甘薯隐赤壳(Hypomyces ipomoeae(Hals) Wr.],证明这个种在中国是存在的。 |
THE CAUSAL ORGANISMS OF ROOT ROT OF SWEET POTATO |
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| HU GONGLO,ZHOU LIHONG.THE CAUSAL ORGANISMS OF ROOT ROT OF SWEET POTATO[J].Acta Phytopathologica Sinica,1982,12(3):47-52. | |
| Authors: | HU GONGLO ZHOU LIHONG |
| Institution: | Yuxi Agricultural College, Henan |
| Abstract: | A root rot of sweet potato has occurred in Henan,Shandong,Jiangsu,Anhui,Hebei and Hubei provinces of China in recent years.Results of isolation and identification proved that main pathogenicfungi are three different species or varieties of Fusarium javanicum Koord,F.javanicum var.radiccla F.solani var.coeruleum.F.javanicum was the most virulent and with the higheet frequency of the three.In addition,F.moniliforme var.subglutinans,F.oxysporium Schlecht and Macrophmina phaseoli(Maubl) Ashby were often isolated from decaying root,but with weak pathogenicity or even avirulent. The typical isolate of species of F.javanum in Henan province was easy to produce perithecial stage under laboratory conditions.It was identified as Hypomyces ipomoeae(Hals) Wr. |
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