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首页> 外文期刊>Plant health progress >Cross Pathogenicity Studies Show South Dakota Isolates of Fusarium acuminatum, F. equiseti, F. graminearum, F. oxysporum, F. proliferatum, F. solani, and F. subglutinans from Either Soybean or Corn are Pathogenic to Both Crops
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Cross Pathogenicity Studies Show South Dakota Isolates of Fusarium acuminatum, F. equiseti, F. graminearum, F. oxysporum, F. proliferatum, F. solani, and F. subglutinans from Either Soybean or Corn are Pathogenic to Both Crops

机译：交叉致病性研究展示南达科他苏·索尼姆，F. Equiseti，F. Graminearum，F. oxysporum，F.SolaniAlum，F. solani和f. solbolutinans来自大豆或玉米的Sogglutinans对两种作物来说都是致病

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摘要

In South Dakota, despite that integrated pest management options are available, Fusarium root rot is an emerging disease on soybean (Glycine max L.) and corn (Zea mays L.). Surveys were conducted across South Dakota on soybean and corn fields in 2014and 2015, respectively, to assess the prevalence of species of Fusarium causing root rot. Fusarium acuminatum, F. equiseti, F. graminearum, F. oxysporum, F. proliferatum, F. solani, and F. subglutinans were identified common to soybean and corn. A totalof 21 isolates, representing these seven species, were evaluated for their pathogenicity on soybean (‘Williams 82’) and corn (‘B73’) using the inoculum layer inoculation method in the greenhouse. At 14 days postinoculation, the seedlings were evaluated for root rot severity (1-to-5 rating scale), and relative treatment effects (RTEs) were estimated. A significant effect of the treatments was observed on RTE for soybean (P = 1.1 × 10~(-7)) and corn (P = 3.0 × 10~(-14)). Two F. proliferatum isolatesand one F. graminearum isolate from corn caused significantly greater RTE than the other treatments (including the noninoculated control) on soybean and corn. Results indicate that soybean and corn can serve as inoculum sources of the seven species of Fusarium that are pathogenic to both crops.
机译：在南达科他州，尽管提供了综合害虫管理选择，但镰刀菌根腐烂是大豆（Glycine Max L.）和玉米（Zea Mays L.）的新兴疾病。 2014年，2015年在2015年南达科他州进行了南达科他州进行了调查，分别于2015年评估镰刀菌种的患病率。鉴定大豆和玉米，镰刀菌，F. exiSeti，F.克米氏素，F. oxysporum，F.soliferatum，F. solani和f. subglutinans。在温室中，评估了代表这七种物种的21个分离物，其致病性对大豆（'威廉姆斯82'）和玉米（'B73'）进行致病性。在发布后14天，评价幼苗以进行根腐败严重程度（1至5评级尺度），估计相对治疗效果（RTES）。在大豆的RTE上观察到处理的显着效果（P = 1.1×10〜（-7））和玉米（P = 3.0×10〜（-14））。来自玉米的两种F.Vlowiferatum分离株和一个F.Graminearum分离术比大豆和玉米的其他治疗（包括非致力量）显着更大。结果表明，大豆和玉米可以用作七种镰刀镰刀菌的鞘所，这是两种作物的致病性。

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