Correlation between fusaric acid production and virulence of isolates of Fusarium oxysporum that causes potato dry rot in South Africa

被引：42

作者：

Venter, SL ^{[1
]}

Steyn, PJ ^{[1
]}

机构：

[1] Agr Res Council, Roodeplaat Vegetable & Ornamental Plant Inst, ZA-0001 Pretoria, South Africa

来源：

POTATO RESEARCH | 1998年 / 41卷 / 03期

关键词：

post harvest disease; potato; Solanum tuberosum L; resistance; toxin;

D O I：

10.1007/BF02358198

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

Virulence of 12 Fusarium oxysporum isolates was determined on three potato cultivars Late Harvest, BP1 and Kimberley Choice. The production of fusaric acid by the 12 F. oxysporum isolates was also determined. The aim of the study was to determine whether a correlation exists between fusaric acid production and virulence of F. oxysporum isolates. Late Harvest was the most tolerant and BP1 the most susceptible cultivar. Virulence ranking order of the F. oxysporum isolates with the different cultivars corresponded with the mean of value of the ranking order for all three cultivars. A correlation was found between virulence of isolates and fusaric acid production except for Late Harvest. Fusaric acid production may play a major role in the development of dry rot in potato tubers.

引用

页码：289 / 294

页数：6

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