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Latest revision as of 23:05, 26 December 2023

Summary

Description

Fig. 8 Aerial spore dispersal of molds in the growing environment of cannabis plants. All petri dishes contain potato dextrose agar with 100 mg/L of streptomycin sulfate (PDA+S). (A) Petri dishes were exposed for 60 minute in a greenhouse environment or (B) in an indoor environment and incubated under laboratory conditions for five days. Both Cladosporium (brown to black colonies) and Penicillium (blue-green colonies) were observed growing on the dishes. (C) Petri dishes exposed outdoors showed primarily the growth of Cladosporium colonies. (D) Proposed scheme through which air-borne spores can affect quality of Cannabis plants. Air-borne spores may establish in the substrate, on inflorescences, or on the cut exposed surface of pruning wounds. (E) Cut surface following pruning of a stem which was swabbed and streaked onto PDA. (F) Colonies of Penicillium and Cladosporium growing from a swab taken off a pruning site on the stem of a greenhouse-grown plant. (G) Colonies of Penicillium emerging from a swab taken off a pruning site on the stem of an indoor-grown plant and streaked onto PDA.

Source

Punja, Z.K.; Collyer, D.; Scott, C.; Lung, S.; Holmes, J.; Sutton, D. (2019). "Pathogens and molds affecting production and quality of Cannabis sativa L.". Frontiers in Plant Science 10: 1120. doi:10.3389/fpls.2019.01120. 

Date

2019

Author

Punja, Z.K.; Collyer, D.; Scott, C.; Lung, S.; Holmes, J.; Sutton, D.

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Creative Commons Attribution 4.0 International

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