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首页> 外文期刊>Acta Horticulturae >Stemphylium disease tolerance in Asparagus officinalis L
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Stemphylium disease tolerance in Asparagus officinalis L

机译：芦笋对茎锈病的耐受性

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摘要

In trials at field sites in New Zealand, the French asparagus cultivars Aneto, Cito and Desto were more susceptible to defoliation by Stemphylium disease than the North American cultivars Jersey Giant, Rutgers Beacon and UC 157. Asparagus accessionswere screened for resistance to S. vesicarium. None of them showed high levels of resistance but statistically significant differences in disease susceptibility were observed between accessions. The differences between the French cultivars Aneto, Cito,Desto and the North American cultivar Rutgers Beacon were not statistically significant. Resistance to disease in the field appeared to be affected by the growth form of the fern produced by mature asparagus plants. The fern produced by Aneto, Cito and Desto is usually short, low branching and compact. In comparison, the fern produced by Jersey Giant, Rutgers Beacon and UC 157 is taller, higher branching and relatively open. It is suggested that cultivars producing relatively short, compact fern growthin the field, provide a more favourable microclimate for fungal infection.
机译：在新西兰的田间试验中，法国芦笋品种Aneto，Cito和Desto比北美品种Jersey Giant，Rutgers Beacon和UC 157更容易受到茎锈病的落叶影响。筛选了芦笋对S. vesicarium的抗性。它们中没有一个显示出高水平的抗性，但是在种质之间观察到疾病易感性的统计学显着差异。法国品种Aneto，Cito，Desto和北美品种Rutgers Beacon之间的差异无统计学意义。田间对疾病的抗性似乎受到成熟芦笋植物产生的蕨类植物生长形式的影响。 Aneto，Cito和Desto生产的蕨类植物通常短，分枝少且紧凑。相比之下，Jersey Giant，Rutgers Beacon和UC 157生产的蕨类植物更高，分支更高且相对开放。建议在田间产生相对短而致密的蕨类植物生长的品种，为真菌感染提供了更有利的微气候。

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