Results 111 to 120 of about 26,952 (306)

Grizzly bear habitat analysis. Section 2: Evaluation of grizzly bear food plants, food categories and habitat [PDF]

open access: yes
There are no author-identified significant results in this ...
Craighead, J. J., Sumner, J. S.
core   +1 more source

Coniferyl aldehyde from the phenylpropanoid pathway targets pyruvate kinase in Dactylobotrys graminicola to confer sheath rot resistance in hulless barley

open access: yesJournal of Integrative Plant Biology, EarlyView.
Hulless barley resists the newly identified sheath rot disease caused by the necrotrophic fungal pathogen Dactylobotrys graminicola by releasing coniferyl aldehyde, a natural compound that disrupts energy production in the fungus. ABSTRACT Dactylobotrys graminicola (Dgr), a necrotrophic fungal pathogen, has recently been identified as the causative ...
Haowen Zheng   +12 more
wiley   +1 more source

Seeing herbaria in a new light: leaf reflectance spectroscopy unlocks trait and classification modeling in plant biodiversity collections

open access: yesNew Phytologist, EarlyView.
Summary Reflectance spectroscopy is a rapid method for estimating traits and discriminating species. Spectral libraries from herbarium specimens represent an untapped resource for generating broad phenomic datasets across space, time, and taxa. We conducted a proof‐of‐concept study using trait data and spectra from herbarium specimens up to 179 yr old,
Dawson M. White   +6 more
wiley   +1 more source

Vulpia (Gramineae) in Malesia

open access: yesReinwardtia, 2009
SUMADIJAYA, A. & VELDKAMP, J. F. 2009. Vulpia (Gramineae) in Malesia. Reinwardtia 12(5): 343–346. ⎯ A brief account of Vulpia (Gramineae) in Malesia is which consisting of V. bromoides and V.
Alex - Sumadijaya, Jan Frits Veldkamp
doaj  

Herbicide evaluation for the control of wild taro [PDF]

open access: yes, 2000
Wild taro (Colocasia esculenta (L.) Schott), is an exotic, emergent perennial that has established in many shallow-water wetlands throughout the southern United States. Although wild taro is a cultivated crop in many tropical and subtropical areas of
Getsinger, Kurt D., Nelson, Linda A.
core  

Digitised herbarium specimen data reveal a climate change‐related trend to an earlier, shorter Canadian Arctic flowering season, and phylogenetic signal in Arctic flowering times

open access: yesNew Phytologist, EarlyView.
Summary The Arctic is experiencing some of the world's most rapid changes in climate. Arctic plant flowering time responses to climate change are understudied. Globally, conflicting evidence exists on whether flowering time responses to temperature are evolutionarily conserved.
Zoe A. Panchen   +3 more
wiley   +1 more source

A NEW SPECIES OF CYMBOPOGON SPRENG. (GRAMINEAE) FROM BURMA

open access: yesReinwardtia, 1975
An illustrated description of the new species Cymbopogon manda-laiaensis S. Soenarko is presented and it is compared with the closelyrelated species C. nervatus (Hochst.) Chiov. and C. clandestinus (Steud.)Stapf.
SOEJATMI SOENARKO
doaj  

Harnessing the benefits of herbarium specimen digitisation for inferring recent and ongoing plant extinctions

open access: yesNew Phytologist, EarlyView.
Summary Evidence for the ongoing biodiversity crisis rests on assessment of a small fraction of described species, with major knowledge gaps for most organisms, including plants. Here, we highlight how digitised herbarium specimens can be used to accelerate and improve estimates of recent and ongoing plant extinctions.
Aelys M. Humphreys   +4 more
wiley   +1 more source

Revisão de Andropogon (Poaceae - Andropogoneae) para o Brasil

open access: yesRodriguésia
Resumo É apresentada uma revisão taxonômica das espécies de Andropogon L. que ocorrem no Brasil com base em coletas, observação de populações no campo e análise de coleções de 72 herbários nacionais e internacionais.
Ana Zanin, Hilda Maria Longhi-Wagner
doaj   +1 more source

The phylogenetic structure of plant communities drives the belowground transmission of fungal pathogens

open access: yesNew Phytologist, EarlyView.
Summary Biodiversity is known to influence disease risk, yet the pathways of pathogen transmission within plant communities remain poorly understood, especially belowground. In particular, how soil‐borne pathogens move from resident vegetation and soil to colonize new hosts is unresolved.
Jose G. Maciá‐Vicente   +6 more
wiley   +1 more source

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