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Evaluation of Virulence of Fusarium solani Isolates on Pea

机译:豌豆镰刀菌镰刀菌分离物的毒性评价

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The virulence of 166 Fusarium solani isolates collected in the Czech Republic from infected pea plants was evaluated. Based on the ability to produce phytotoxic naphtarazin (DHF - dihydrofusarubin), only two isolates from this collection (designated FS VG and FS We) corresponded with the characteristics of f.sp. pisi. Suitability and effectiveness of two methods of inoculation based on soaking of seed in the inoculum were evaluated. The possibility to use mixtures of inocula of different species (F. solani f.sp. pisi + F. oxysporum f.sp. pisi races 1 and 2) and of mixtures of two isolates with different virulences was explored. Employing an efficient testing method and the most virulent isolate FS VG, 184 semileafless types of field peas and garden peas were screened to find accessions with a higher level of resistance to F. solani f.sp. pisi.
机译:评价了捷克共和国从受感染豌豆植物中收集的166种枯萎镰刀菌菌株的毒力。基于产生植物毒性萘达嗪(DHF-二氢呋喃星红素)的能力,该集合中只有两个分离株(命名为FS VG和FS We)与f.sp.的特征相对应。 isi评估了两种基于种子浸种的接种方法的适用性和有效性。探索了使用不同物种的接种物混合物(solani f.sp. pisi + F. oxysporum f.sp. pisi种族1和2)和两种具有不同毒力的分离株的混合物的可能性。采用一种有效的测试方法和最强毒的分离株FS VG,筛选了184种半无叶型的豌豆和花园豌豆,以发现对sol。F. solani f.sp.具有较高抗性的种质。 isi

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