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
TLDR
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.Abstract:
Greenhouse-grown cannabis (Cannabis sativa L., marijuana) plants with yellowing, crown rot and root-browning symptoms were sampled from six production facilities during 2019–2020. Among 34 fungal i...read more
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Diseases of Cannabis sativa Caused by Diverse Fusarium Species
TL;DR: The robust strategies for disease management are in development for this new crop and have primarily relied on management systems for other crops, but knowledge for control of these important fungal diseases to provide safe products for human consumption is required.
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Several Pythium species cause crown and root rot on cannabis (Cannabis sativa L., marijuana) plants grown under commercial greenhouse conditions
TL;DR: 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.
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Pathogenicity and Mefenoxam Sensitivity of Pythium, Globisporangium, and Fusarium Isolates From Coconut Coir and Rockwool in Marijuana (Cannabis sativa L.) Production
Cora S. McGehee,Rosa E. Raudales +1 more
TL;DR: Oomycetes and fungi were recovered from coconut coir and rockwool substrates where marijuana (Cannabis sativa L. cv. Silver and Citron) plants with root rot and wilt symptoms were grown in a commercial growing facility in Connecticut as discussed by the authors.
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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...
References
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Fusarium and Pythium species infecting roots of hydroponically grown marijuana (Cannabis sativa L.) plants
Zamir K. Punja,Gina Rodriguez +1 more
TL;DR: Phylogenetic analysis of internal transcribed spacer (ITS) and elongation factor 1α (EF-1α) sequences revealed that the Fusarium species affecting cannabis plants shared 99–100% sequence homology with isolates causing stem rot and wilt in other hosts, suggesting they were not uniquely adapted to cannabis.
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Scientific Prospects for Cannabis-Microbiome Research to Ensure Quality and Safety of Products.
TL;DR: This review paper provides an overview of the state of knowledge and challenges in Cannabis science, and thereby identifies critical risk management and safety issues in order to capitalize on innovations while ensuring product quality control.
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Fusarium solani species complex isolates conspecific with Fusarium solani f. sp. cucurbitae race 2 from naturally infected human and plant tissue and environmental sources are equally virulent on plants, grow at 37°C and are interfertile
Hillary L. Mehl,Lynn Epstein +1 more
TL;DR: In a previous taxonomic study based on multilocus sequencing of Fusarium from clinical specimens and hospital environments, the authors of as mentioned in this paper determined if clinical and environmental isolates of FSSC 1 are plant pathogens and members of the same biological species as cucurbit isolates, and to determine if all isolates can germinate, grow and sporulate at 37 degrees C.
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Taxonomy and multi-locus phylogeny of cylindrocarpon-like species associated with diseased roots of grapevine and other fruit and nut crops in California.
TL;DR: Results from isolations of diseased plant tissues revealed potential new host associations for almost all fungi recovered in this study, which is the basis for future studies on the epidemiology and biology of these important and destructive plant pathogens.
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Cutaneous Infection Caused by Cylindrocarpon lichenicola in a Patient with Acute Myelogenous Leukemia
TL;DR: The first case of localized invasive cutaneous infection caused by C. lichenicola is reported in a 53-year-old male from the rural midwestern United States with relapsed acute myelogenous leukemia, which resolved following marrow regeneration, aggressive debridement of the affected tissue, and treatment with amphotericin B.