Variability in the reaction of several pear (Pyrus communis) cultivars to different inocula of Venturia pirina

被引：14
|
作者：
Chevalier, M [1 ]
Bernard, C [1 ]
Tellier, M [1 ]
Lespinasse, Y [1 ]
Filmond, R [1 ]
Le Lezec, M [1 ]
机构：
[1] UA INH INRA, UMR GenHort, F-49071 Beaucouze, France
来源：
Proceedings of the XIth Eucarpia Symposium on Fruit Breeding and Genetics, Vols 1 and 2 | 2004年 / 663期
关键词：
pear scab; resistance; monoconidial strain; host-pathogene interaction;
D O I：
10.17660/ActaHortic.2004.663.25
中图分类号：
S3 [农学（农艺学）];
学科分类号：
0901 ;
摘要：
Four pear cultivars, 'Williams' and 'Tosca' (scab susceptible), 'Navara' and 'Delices d'Avril' (scab resistant) were inoculated with four monoconidial strains of Venturia pirina in the glasshouse. Macroscopic and microscopic observations showed large differences among the strains on the same host as well as among cultivars. 'Williams' was always susceptible to all strains. 'Tosca' revealed very different levels of susceptibility. 'Navara' showed strong resistance to one strain and weak susceptibility to another. The cultivar 'Delices d'Avril' was completely resistant to all the strains. The strains of V. pirina have a heterogeneous level of aggressiveness.
引用
收藏
页码：177 / 181
页数：5
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