几种马铃薯抗晚疫病基因型的实验室评价

ANNALS OF THE UNIVERSITY OF CRAIOVA, Biology, Horticulture, Food products processing technology, Environmental engineering Pub Date : 2022-12-16 DOI:10.52846/bihpt.v27i63.32

M. Hermeziu

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引用次数: 0

摘要

马铃薯晚疫病(Phytophthora infestans)是世界上最具破坏性的植物病害之一。大多数栽培的土豆易患这种病。在实验室条件下对13个马铃薯基因型(叶片和块茎)进行了晚疫病表型评分。从温室中收集分离株，接种一个复杂的晚疫病分化小种(R1-R11)。在叶片和块茎水平上，Sasa (R3) x Rustic (Cl1)、Agria x Rustic (Cl1)、Sasa x Fribel和Sasa x Florice基因型均获得了最好的结果，这些基因型提供了持久的抗性来源，可用于未来的育种计划。相反，基因型Sasa (R6) x Orchestra、Sasa (R8) x Orchestra、Sasa (R3) x Orchestra、Sasa (R7) x Orchestra对病原菌的作用表现出敏感性。

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LABORATORY ASSESSMENT OF SOME POTATO GENOTYPES WITH POTENTIAL RESISTANCE TO LATE BLIGHT DISEASE (PHYTOPHTHORA INFESTANS)

Late blight (Phytophthora infestans) of potato is considered one of the most devastating plant diseases in the world. Most cultivated potatoes are susceptible to this disease. To NIRDPSB Brasov thirteen potato genotypes (leaves and tubers) were evaluated in laboratory conditions for phenotypic scoring against late blight. Isolates were collected from the greenhouse and inoculated with a complex race of late blight differentials (R1-R11). The best results both at the leaf and tuber level were obtained with the genotypes Sasa (R3) x Rustic (Cl1), Agria x Rustic (Cl 1), Sasa x Fribel and Sasa x Florice which provided a durable source of resistance and can be used in a future breeding program. Instead, the genotypes Sasa (R6) x Orchestra, Sasa (R8) x Orchestra, Sasa (R3) x Orchestra, Sasa (R7) x Orchestra showed sensitivity to the action of the pathogen.

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ANNALS OF THE UNIVERSITY OF CRAIOVA, Biology, Horticulture, Food products processing technology, Environmental engineering

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