SUSCEPTIBILITY OF SELECTED EUROPEAN PEAR CULTIVARS TO INFECTION BY STEMPHYLIUM-VESICARIUM AND INFLUENCE OF LEAF AND FRUIT AGE

被引：32
|
作者：
MONTESINOS, E [1 ]
MORAGREGA, C [1 ]
LLORENTE, I [1 ]
VILARDELL, P [1 ]
机构：
[1] MAS BADIA AGR EXPT STN,GIRONA,SPAIN
来源：
PLANT DISEASE | 1995年 / 79卷 / 05期
关键词：
D O I：
10.1094/PD-79-0471
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
Nonwounded fruit of 16 European pear cultivars (Pyrus communis) and potted Conference pear plants were inoculated with conidia of Stemphylium vesicarium. Cultivars Passe Crassane, Alexandrine, Conference, Doyenne du Comice, Duc de Bordeaux, Abate Fetel, and General Leclerc were highly susceptible. Cultivars Williams, Blanquilla, Beurre Hardy, Louis Bonne, Grand Champion, and Highland were slightly or not susceptible. The susceptibility of fruit decreased logarithmically from fruit set to harvest in very susceptible cultivars. Younger leaves developed 1.8-3 times more disease than older leaves.
引用
收藏
页码：471 / 473
页数：3
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