Journal ArticleDOI
Several Pythium species cause crown and root rot on cannabis (Cannabis sativa L., marijuana) plants grown under commercial greenhouse conditions
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Cannabis plants with symptoms of crown rot, root decay, wilting and plant death were sampled during 2018 and 2019 from seven production greenhouses to study the mechanisms behind plant death.Abstract:
Cannabis (Cannabis sativa L., marijuana) plants with symptoms of crown rot, root decay, wilting and plant death were sampled during 2018 and 2019 from seven production greenhouses. Affected tissues...read more
Citations
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Oomycete species associated with soybean seedlings in North America
J. Alejandro Rojas,Stephanie A. Napieralski,Dean K. Malvick,Kiersten A. Wise,Sam Markell,Alison E. Robertson,Loren J. Giesler,Damon L. Smith,Albert Tenuta,Janette L. Jacobs,Paul D. Esker,Thomas Chase,Doug Jardine,John C. Rupe,Laura Sweets,Berlin D. Nelson,Behirda Karaj,Martin I. Chilvers,Carl A. Bradley +18 more
Identification of Pythium species and their pathogenicity on cool season turfgrass in Tehran province
TL;DR: Comparative pathogenicity of Pythium species (total diseases) on turfgrasses showed that P.aphanidermatum was the most aggressive species and P. catenulatum andP.
Journal ArticleDOI
Pathogenicity of seedborne Alternaria and Stemphylium species and stem-infecting Neofusicoccum and Lasiodiplodia species to cannabis (Cannabis sativa L., marijuana) plants
TL;DR: In this article, stem canker symptoms were sampled from indoor and outdoor production sites in British Columbia (BC) and Ontario (Ontario) and affected tissues were sampled and affected tissue were su...
Journal ArticleDOI
Organically grown cannabis (Cannabis sativa L.) plants contain a diverse range of culturable epiphytic and endophytic fungi in inflorescences and stem tissues
Zamir K. Punja,Cameron Scott +1 more
TL;DR: The authors investigated the diversity of fungal species present on inflorescences as epiphytes and in stem tissues as endophytes in flowering plants of cannabis grown organically in British Columbia during 2019-2021.
References
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Journal ArticleDOI
First Report of Pythium ultimum Crown and Root Rot of Industrial Hemp in the United States.
Journal ArticleDOI
First Report of Root Rot and Wilt Caused by Pythium myriotylum on Hemp (Cannabis sativa) in the United States
Cora S. McGehee,P. Apicella,Rosa E. Raudales,Gerald A. Berkowitz,Yi Ma,S. Durocher,J. Lubell +6 more
TL;DR: The isolate was confirmed to be P. myriotylum with ≥98% query coverage and 100% identity match to GenBank accession numbers LC440564.1, KJ595365, and KX671106 and fulfilled Koch’s postulates.
Journal ArticleDOI
Biological control of fusarium and pythium root rots on greenhouse cucumbers grown in rockwool
S. Rose,R. Yip,Z.K. Punja +2 more
Journal Article
Damping-off, a new disease of opium poppy caused by Pythium dissotocum.
TL;DR: Doping-off disease caused great economic loss to the commercial cultivation of opium poppy in Barabanki district of Ottar Pradesh in northern India during the year 1993-94 and killed 40-60 per cent seedlings in severely affected fields within 15-20 days of its appearance.
Journal ArticleDOI
The Fusarium solani species complex infecting cannabis (Cannabis sativa L., marijuana) plants and a first report of Fusarium (Cylindrocarpon) lichenicola causing root and crown rot
TL;DR: This study demonstrates the first occurrence worldwide of F. lichenicola on cannabis plants, on which it is considered a weak introduced tropical pathogen, likely to have originated from coco coir imported into Canada.