Corynespora cassiicola causes leaf spot disease on lettuce (Lactuca sativa) cultivated in hydroponic systems in Thailand

被引：15
作者：
Chairin T. [1 ,2 ]
Pornsuriya C. [1 ,2 ]
Thaochan N. [1 ,2 ]
Sunpapao A. [1 ,2 ]
机构：
[1] Pest Management Biotechnology and Plant Physiology Laboratory, Prince of Songkla University, Hatyai, Songkhla
[2] Department of Pest Management, Faculty of Natural Resources, Prince of Songkla University, Hatyai, Songkhla
来源：
Australasian Plant Disease Notes | / 12卷 / 1期
关键词：
Corynespora; Hydroponic; Leaf spot; Lettuce;
D O I：
10.1007/s13314-017-0241-x
中图分类号：
学科分类号：
摘要：
Lettuce (Lactuca sativa) is an annual vegetable that is widely cultivated in hydroponic systems in Thailand. In 2016, a leaf spot disease was commonly found on hydroponically-grown lettuce plants in glasshouses in Songkhla province, southern Thailand. The morphology of the fungus that was consistently isolated from the leaf spots was identical to that described for Corynespora cassiicola. The identity of the fungus was confirmed by sequencing the ITS and LSU gene regions. Koch’s postulates were satisfied, proving that C. cassiicola was the causal agent of the recent outbreaks of leaf spot in hydroponically-grown lettuce in Thailand. This paper is the first report of the disease in this country. © 2017, Australasian Plant Pathology Society Inc.
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