Sclerotinia sclerotiorum is the causal agent of Sclerotinia stem rot on peanut (groundnut) in South Africa

IF 0.6 Q4 PLANT SCIENCES

Australasian Plant Disease Notes Pub Date : 2024-03-27 DOI:10.1007/s13314-024-00537-2

Simoné Bornman, Chanel Thomas, Solomon Ntladi, P. Markus Wilken

引用次数: 0

Abstract

Sclerotinia stem rot on South African groundnut was previously attributed to Sclerotinia minor, but recent infections prompted a re-evaluation. Isolates underwent a species-specific PCR and phylogenetic analysis, confirming them as S. sclerotiorum. Koch’s postulates were fulfilled, demonstrating pathogenicity. Inoculation caused disease symptoms, with subsequent re-isolation matching the original strains. This study identifies S. sclerotiorum as the causative agent of Sclerotinia stem rot on groundnut in South Africa.

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南非花生（落花生）上的硬粒菌是硬粒菌茎腐病的病原菌

南非花生上的茎腐硬菌以前被认为是小硬菌，但最近的感染促使人们对其进行重新评估。对分离物进行了物种特异性聚合酶链反应和系统发育分析，确认它们是 S. sclerotiorum。科赫假设得到了证实，证明了其致病性。接种会引起疾病症状，随后的再分离结果与原始菌株相符。这项研究确定 S. sclerotiorum 是南非花生 Sclerotinia 茎腐病的致病菌。

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来源期刊

Australasian Plant Disease Notes PLANT SCIENCES-

CiteScore

1.90

自引率

0.00%

发文量

期刊介绍： Australasian Plant Disease Notes is an international journal for publication of short reports from all countries which describe original research that transcends national boundaries. All aspects of plant pathology are covered including new geographical records of diseases or pathogens, new pathogens or pathogen strains, taxonomic papers, quarantine notes, disease management and diagnostic methods. Australasian Plant Disease Notes is a publication of the Australasian Plant Pathology Society.