Efficiency of pyramiding of three quantitative resistance loci to apple scab
| العنوان: | Efficiency of pyramiding of three quantitative resistance loci to apple scab |
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| المؤلفون: | G. Laloi, Valérie Caffier, E. Vergne, B. Le Cam, Charles-Eric Durel |
| المساهمون: | Institut de Recherche en Horticulture et Semences (IRHS), Université d'Angers (UA)-Institut National de la Recherche Agronomique (INRA)-AGROCAMPUS OUEST, Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro), INRA, métaprogramme SMaCH (Sustainable Management of Crop Health), Région Pays de la Loire, Université d'Angers (UA)-AGROCAMPUS OUEST-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE) |
| المصدر: | Plant Pathology Plant Pathology, Wiley, 2017, 66 (3), pp.412-422. ⟨10.1111/ppa.12581⟩ |
| بيانات النشر: | HAL CCSD, 2017. |
| سنة النشر: | 2017 |
| مصطلحات موضوعية: | 0106 biological sciences, 0301 basic medicine, Genetic resistance, [SDV]Life Sciences [q-bio], Asexual reproduction, Plant Science, Horticulture, Plant disease resistance, 01 natural sciences, 03 medical and health sciences, Pathosystem, hypersensitive reaction, Genetics, Cultivar, biology, Venturia inaequalis, food and beverages, biology.organism_classification, Partial resistance, 030104 developmental biology, Apple scab, durability, Agronomy and Crop Science, 010606 plant biology & botany |
| الوصف: | International audience; Quantitative plant resistance is supposed to be more durable than qualitative resistance for the control of plant diseases. However, it has been experimentally shown that erosion of quantitative resistance can occur. Cumulation of quantitative resistance loci (QRLs) in the same cultivar is considered to improve the efficiency and durability of quantitative resistance, but the choice of QRLs to be combined is of crucial importance. This study investigated whether the combination of QRLs acting on different stages of pathogen development could improve the efficiency of resistance in the apple scab pathosystem. The efficiencies of three QRLs were evaluated against 10 isolates of Venturia inaequalis and the stages of pathogen development that were affected by the QRLs were defined microscopically. A gain in the efficiency of resistance was observed when QRLs were pyramided compared to when they acted alone. Thanks to the combined effects of the individual QRLs, the pyramiding of the three QRLs hindered fungal development at different stages: before the penetration of the plant cuticule, after the penetration with hypersensitivity reaction, and during the colonization and asexual reproduction. These effects were dependent on the V. inaequalis isolates. These results suggest that the gain in efficiency of resistance by pyramiding may derive from the combination of different and complementary molecular mechanisms underlying QRLs. Thus, the resistance achieved from pyramiding such a combination of QRLs should be durable. |
| اللغة: | English |
| تدمد: | 0032-0862 1365-3059 |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_dedup___::388d04ffa1983db6493456cd93fd1cb7 https://hal.univ-angers.fr/hal-02516660 |
| حقوق: | CLOSED |
| رقم الأكسشن: | edsair.doi.dedup.....388d04ffa1983db6493456cd93fd1cb7 |
| قاعدة البيانات: | OpenAIRE |
| تدمد: | 00320862 13653059 |
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