The chromatic number of triangle-free and broom-free graphs in terms of the number of vertices
Sign Up to like & getrecommendations! Published in 2020 at "Aequationes mathematicae"
DOI: 10.1007/s00010-020-00760-z
Abstract: The Gárfás–Sumner conjecture asks whether for every tree T , the class of (induced) T -free graphs is $$\chi $$ χ -bounded. The conjecture is solved for several special trees, but it is still open… read more here.
Keywords: triangle free; free graphs; number; graph ... See more keywords
Removal of invasive Scotch broom increases its negative effects on soil chemistry and plant communities
Sign Up to like & getrecommendations! Published in 2022 at "Oecologia"
DOI: 10.1007/s00442-021-05099-z
Abstract: Recovery of ecosystem properties following removal of invasive plants likely varies with characteristics of the plant and the relative soil quality at a given site. These factors may influence the occurrence of soil legacies and… read more here.
Keywords: chemistry; broom; scotch broom; effects soil ... See more keywords
Witches’ broom resistant genotype CCN51 shows greater diversity of symbiont bacteria in its phylloplane than susceptible genotype catongo
Sign Up to like & getrecommendations! Published in 2018 at "BMC Microbiology"
DOI: 10.1186/s12866-018-1339-9
Abstract: BackgroundTheobroma cacao L. (cacao) is a perennial tropical tree, endemic to rainforests of the Amazon Basin. Large populations of bacteria live on leaf surfaces and these phylloplane microorganisms can have important effects on plant health.… read more here.
Keywords: catongo; genotype ccn51; greater diversity; genotype ... See more keywords
Optimal Algorithms for Sorting Permutations with Brooms
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DOI: 10.3390/a15070220
Abstract: Sorting permutations with various operations has applications in genetics and computer interconnection networks where an operation is specified by its generator set. A transposition tree T=(V,E) is a spanning tree over n vertices v1,v2,…vn. T… read more here.
Keywords: sort; broom; transposition; sorting permutations ... See more keywords
Effects of Two Invasive Weeds on Arthropod Community Structure on the Central Plateau of New Zealand
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DOI: 10.3390/plants9070919
Abstract: Heather (Calluna vulgaris) and broom (Cytisus scoparius), originally from Europe, are the main invasive plants on New Zealand’s North Island Central Plateau, where they threaten native flora and fauna. Given the strong link between arthropod… read more here.
Keywords: new zealand; central plateau; community; invasive weeds ... See more keywords
Identification of a phytoplasma associated with witches’ broom symptoms in calafate (Berberis microphylla G. Forst.)
Sign Up to like & getrecommendations! Published in 2019 at "Chilean journal of agricultural research"
DOI: 10.4067/s0718-58392019000300493
Abstract: Berberis microphylla G. Forst. (“calafate”) is a native berry grown in the Patagonian area of Chile and Argentina. The calafate fruit have important commercial projection, given that contains antioxidant characteristics with high levels of phenolic… read more here.
Keywords: calafate; microphylla forst; broom; phytoplasma ... See more keywords
Why humans should not eat broom straws: Pericarditis and endocarditis
Sign Up to like & getrecommendations! Published in 2020 at "Annals of Pediatric Cardiology"
DOI: 10.4103/apc.apc_194_19
Abstract: A broom straw was ingested and penetrated the esophageal wall, the pericardial space and its tip became lodged in the coronary sinus. Bacterial pericarditis and then fungal endocarditis ensued but were temporally separated by an… read more here.
Keywords: eat broom; endocarditis; pericarditis; humans eat ... See more keywords