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首页> 外文期刊>Plant Pathology >Rhynchosporium leaf scald disease incidence: seed source and spatial pattern
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Rhynchosporium leaf scald disease incidence: seed source and spatial pattern

机译：rhynchosporium叶鳞片疾病发病率：种子来源和空间模式

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> A programme of field trials for the study of the winter barley– Rhynchosporium commune pathosystem is reported. The associated seedborne disease rhynchosporium leaf scald is regarded as having an important impact on barley yields. The analysis in this study relates to the impact of the seed source (commercial or farm‐saved seed) on disease incidence and to the spatial pattern of rhynchosporium leaf scald disease incidence. Disease incidence data were calculated from field data recorded as disease severity. Mean disease incidence was higher in the crops grown from farm‐saved seed than in those grown from commercial seed, although great agronomic significance cannot be attached to this result. The spatial pattern of rhynchosporium leaf scald disease incidence was characterized in terms of the binary power law ( BPL ) and was indicative of an aggregated pattern. Programme‐wide BPL results were described using a novel phytopathological application of a random coefficients model. These results have application in field sampling for rhynchosporium leaf scald disease.
机译： > 冬季大麦研究的现场试验计划 - rhynchosporium commune 报告了病态系统。相关的种子嗜孢子叶鳞片被认为是对大麦产量的重要影响。本研究分析涉及种子源（商业或农业或农场储存种子）对疾病发病率的影响和rhynchosporium叶铅疾病发病率的空间模式。疾病发病率数据由记录为疾病严重程度的现场数据计算。从农场储存的种子种植的作物中的平均疾病发病率高于商业种子生长的作物中的疾病发病率较高，尽管不能附有巨大的农艺意义。 rhynchosporium叶鳞片发病率的空间模式表征了二元电力法（ BPL ）并且表示汇总模式。程序范围 BPL 使用一种随机系数模型的新植物病理学应用来描述结果。这些结果具有在rhynchosporium叶片鳞片疾病的现场抽样中的应用。

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