首页> 外文会议>International Plant Protection Congress >Screening rhizobacteria for the biological control of Fusarium oxysporum and Pythium ultimum root rot of sorghum
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Screening rhizobacteria for the biological control of Fusarium oxysporum and Pythium ultimum root rot of sorghum

机译:筛查镰刀菌镰刀菌生物控制的根瘤菌和高粱

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Sorghum (Sorghum bicolor) is cultivated as the main staple crop in many parts of Africa. In Ethiopia, seedling death as a result of root rot caused by Fusarium oxysporum (Idris et al. 2007) and Pythium ultimum (unpublished) a few weeks after plantingare commonly observed. Chemical control of these pathogens using fungicides is ineffective and unaffordable to many small scale farmers. There is a growing trend towards controlling such soilborne infections in a wide variety of crops using bacteria known as plant growth promoting rhizobacteria (PGPR) (Rangarajan et al.2003). The aim of the current study was to isolate bacteria from the rhizosphere of sorghum in Ethiopia and screen them for in-vitro and in-vivo antagonism against F. oxysporum and Pythium ultimum, identify the most effective isolates to species level and elucidate their modes of action.
机译:高粱(高粱双子)被培养为非洲许多地区的主要主食作物。在埃塞俄比亚,由于牛孢子素(Idris等人,2007)和植物常见的几周后,幼苗死亡是由镰刀虫(Idris等,2007)和钯Ultimum(未发表)。使用杀菌剂的这些病原体的化学控制是无效的,对许多小规模农民无效。使用称为植物生长的细菌在各种作物中控制这种土壤中感染的趋势日益增长的趋势促进了植物生长的细菌(PGPR)(rangarajan等,al.2003)。目前研究的目的是将细菌从埃塞俄比亚中的高粱根际,并筛选它们对F. oxysporum和茄生和茄生的体外拮抗,鉴定最有效的物种水平和阐明它们的模式行动。

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