Biology and Management of Nostoc (Cyanobacteria) in Nurseries and Greenhouses

Laughinghouse, Haywood Dail; Berthold, David E.; Marble, Stephen Christoper; Saha, Debasish

doi:10.32473/edis-ag430-2019

Cited by 1 publication

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“…Greenhouses used as nurseries for growing tropical and agricultural plants make ideal habitats for the development of subaerophytic cyanobacteria, biofilms, and microbial mats (Aguiar et al 2008;Laughinghouse et al 2019;Romanenko et al 2020;Berthold et al 2021). Their warm temperature, high moisture, and relatively stable environmental setting provides optimal conditions for the growth of cyanobacteria (including Brasilonema) and other algae that can become a nuisance.…”

Section: Discussionmentioning

confidence: 99%

Diversity of the genus Brasilonema (Nostocales, Cyanobacteria) in plant nurseries of central Florida (USA) with the description of three new species: B. fioreae sp. nov., B. santannae sp. nov. and B. wernerae sp. nov.

Barbosa¹,

Berthold²,

Lefler³

et al. 2021

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Florida is a diverse region that supports abundant cyanobacterial diversity, especially in terrestrial environments. To exploit this environment for cyanobacterial diversity, several greenhouses from central Florida were sampled to identify common nuisance and contaminating algae. Most of the algae observed were mat forming, covering nursery pots, plants, and equipment which were macro-and microscopically morphologically analogous to Brasilonema. Although macroscopic thallus morphology was similar among the samples, microscopic morphological characteristics such as size, color, and sheath formation were disparate. To uncover the cryptic diversity, mats were processed for species isolation, culture, and molecular taxonomic identification. A total of eleven Brasilonema strains were isolated into culture and systematically identified using 16S rRNA and 16S-23S rRNA ITS sequences. Based on morphology and molecular data, five species of Brasilonema were found and three are new to science: B. fioreae, B. santannae, and B. wernerae.

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Section: Discussionmentioning

confidence: 99%