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Pakxé, Laos

Callaghan S.E.,Agriculture Section | Williams A.P.,Agriculture Section | Burgess T.,Murdoch University | White D.,Murdoch University | And 7 more authors.
Australasian Plant Disease Notes | Year: 2016

Phytophthora capsici is reported for the first time in the Lao PDR. It was isolated from soil collected from the root zone of wilting red chilli (Capsicum annuum) plants in a polyhouse farm in Paksong district of Champasak province. The wilting chilli plants had typical symptoms of infection by P. capsici including root rot and necrosis of the outer cortex of the stem base. The isolate was identified using morphological and molecular markers. A pathogenicity trial demonstrated that the culture was pathogenic to a local cultivar of chilli seedlings. © 2016, Australasian Plant Pathology Society Inc. Source


Ireland K.B.,Agriculture Section | Weir B.S.,Landcare Research | Phantavong S.,Agriculture Section | Phitsanoukane P.,Agriculture Section | And 4 more authors.
Australasian Plant Disease Notes | Year: 2015

Rhizoctonia solani anastomosis group AG-4 HG-I is reported for the first time from the Lao PDR. It was isolated from gai lan (Brassica oleracea var. alboglabra) affected by collar rot, seedling death, root rot and stunting of older plants from the Paksong area of Champasak province. The anastomosis group was confirmed by sequencing and Koch’s postulates were fulfilled. © 2014, Australasian Plant Pathology Society Inc. Source


Callaghan S.E.,Agriculture Section | Puno V.I.,University of Sydney | Williams A.P.,Agriculture Section | Weir B.S.,Landcare Research | And 11 more authors.
Australasian Plant Disease Notes | Year: 2016

Fusarium oxysporum f.sp. niveum is reported for the first time in the Lao PDR. It was isolated from watermelons (Citrullus lanatus) in Songkhon district, Savannahkhet province following a limited ad hoc survey during January and February of 2015. Infected plants showed symptoms of wilt, vascular discolouration, necrosis in the collar region, lower stem base and upper taproot regions, and whole plant death. Identification of the pathogen was confirmed through phylogenetic analysis of the EF1-α locus and a pathogenicity test satisfying Koch’s postulates. © 2016, Australasian Plant Pathology Society Inc. Source

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