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首页> 外文会议>Annual Conferenceof the New Zealand Plant Protection Society s >Comparison of fire blight resistance screening methodologies
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Comparison of fire blight resistance screening methodologies

机译：火灾抗震筛选方法的比较

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Fire blight, a bacterial disease caused by Erwinia amylovora, is an ongoing problem for pipfruit growers, with few control options available. Most commercial cultivars and rootstocks are highly susceptible to the disease. Breeding of fire blight-resistant scions and rootstocks to manage the disease is a major goal of the New Zealand apple breeding programme. The main mode of disease establishment is through flowers. However, the breeding programme currently evaluates disease resistance through shootinoculations. This study compared the degree of resistance in 109 progeny from a 'Royal Gala' x Malus robusta 'Robusta 5' family assessed by shoot inoculation and by floral inoculations. Results indicate that the two measures of resistance do not correlate well, and that different quantitative trait loci may be involved in flower and shoot resistance. Management of fire blight through the implementation of resistant cultivars will require resistance screening on both shoot and flower assessments.
机译：火疫病，细菌性疾病引起的梨火疫病菌，是仁果类水果种植者一直存在的问题，可用一些控制选项。大多数商业品种和砧木高度易患本病。防火疫病，接穗和砧木管理疾病的育种是新西兰苹果育种计划的一个主要目标。疾病建立的方式主要是通过花。然而，育种计划目前正在评估通过shootinoculations抗病能力。这项研究比较了109子代性的从“皇家嘎拉”×八棱海棠“罗布斯塔5”由拍摄接种家庭评估和花卉接种的程度。结果表明，性的两项措施没有很好的相关性，而且不同的数量性状基因可能参与了花和拍摄性能。通过抗病品种实施火疫病的管理需要抗性筛选上都拍花的评估。

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