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609 results for “Gigantea”
Decomposition of Microstegium vimineum litter, plants grew through the Big Oaks National Wildlife Refuge in 2019. Litter used in this experiment naturally senesced in the fall 2019, decomposition data collected through 2020. Plants were infected or not-infected with the foliar fungal pathogen Bipolaris gigantea during the 2019 growing season.
Decomposition of plant litter, facilitated primarily by microbial decomposers, plays a critical role in biogeochemical cycling and ecosystem function. Emerging pathogens have the potential to impact litter decomposition by altering the chemical composition and associated microbial community of host tissue. Here, we compared litter decomposition of the invasive grass Microstegium vimineum collected from sites with Bipolaris leaf spot symptoms and sites with no apparent disease symptoms in a common garden experiment. Our results revealed that leaf tissue from litter from non-infected sites decomposed more rapidly through the spring than litter from infected sites. Differences in fungal composition between infected and non-infected litter at the start of the experiment largely persisted through the summer. Our work demonstrates that pathogen colonization may facilitate the persistence of infected host litter, potentially slowing the return of nutrients to the environmental pool while also promoting the survival and dispersal of primary inoculum the following season.
Arundinaria gigantea (Poaceae) - leaf - whole upper surface
Image of Arundinaria gigantea (Poaceae) - leaf - whole upper surface
Arundinaria gigantea (Poaceae) - whole tree (or vine) - general
Image of Arundinaria gigantea (Poaceae) - whole tree (or vine) - general
Arundinaria gigantea (Poaceae) - whole tree (or vine) - general
Image of Arundinaria gigantea (Poaceae) - whole tree (or vine) - general
Solidago gigantea (Asteraceae) - stem - showing leaf bases
Image of Solidago gigantea (Asteraceae) - stem - showing leaf bases
Solidago gigantea (Asteraceae) - stem - showing leaf bases
Image of Solidago gigantea (Asteraceae) - stem - showing leaf bases
Solidago gigantea (Asteraceae) - leaf - on upper stem
Image of Solidago gigantea (Asteraceae) - leaf - on upper stem
Solidago gigantea (Asteraceae) - whole plant - in flower - general view
Image of Solidago gigantea (Asteraceae) - whole plant - in flower - general view
Solidago gigantea (Asteraceae) - leaf - basal or on lower stem
Image of Solidago gigantea (Asteraceae) - leaf - basal or on lower stem
Solidago gigantea (Asteraceae) - leaf - unspecified
Image of Solidago gigantea (Asteraceae) - leaf - unspecified
Solidago gigantea (Asteraceae) - whole plant - in flower - general view
Image of Solidago gigantea (Asteraceae) - whole plant - in flower - general view
Solidago gigantea (Asteraceae) - inflorescence - whole - unspecified
Image of Solidago gigantea (Asteraceae) - inflorescence - whole - unspecified
Arundinaria gigantea (Poaceae) - bark - of a small tree or small branch
Image of Arundinaria gigantea (Poaceae) - bark - of a small tree or small branch
Vernonia gigantea (Asteraceae) - fruit - lateral or general close-up
Image of Vernonia gigantea (Asteraceae) - fruit - lateral or general close-up
Vernonia gigantea (Asteraceae) - fruit - as borne on the plant
Image of Vernonia gigantea (Asteraceae) - fruit - as borne on the plant
Arundinaria gigantea (Poaceae) - twig - orientation of petioles
Image of Arundinaria gigantea (Poaceae) - twig - orientation of petioles
Arundinaria gigantea (Poaceae) - twig - orientation of petioles
Image of Arundinaria gigantea (Poaceae) - twig - orientation of petioles
Arundinaria gigantea (Poaceae) - leaf - whole upper surface
Image of Arundinaria gigantea (Poaceae) - leaf - whole upper surface
Arundinaria gigantea (Poaceae) - whole tree (or vine) - general
Image of Arundinaria gigantea (Poaceae) - whole tree (or vine) - general
Vernonia gigantea (Asteraceae) - whole plant - in flower - general view
Image of Vernonia gigantea (Asteraceae) - whole plant - in flower - general view
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OpenNeuro
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