Quick but Odd Growth of Cacti
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DOI: 10.1007/s00453-017-0317-1
Abstract: Let $${\mathcal {F}}$$F be a family of graphs. Given an n-vertex input graph G and a positive integer k, testing whether G has a vertex subset S of size at most k, such that $$G-S$$G-S… read more here.
Keywords: odd cacti; family; quick odd; growth cacti ... See more keywords
A protocol for health assessment of cacti populations: A case study from Northwestern Argentina
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DOI: 10.1016/j.ecolind.2020.107174
Abstract: Abstract Argentina is considered megadiverse for Cactaceae, and Jujuy province, with a high proportion of cacti endemism, is a critical region for their preservation. Cacti deterioration is mainly associated with habitat degradation, agricultural frontier advance,… read more here.
Keywords: cacti populations; protocol health; health status; assessment ... See more keywords
Chilocorus cacti (Coleoptera: Coccinellidae) as a Biological Control Agent of the Wild Cochineal (Hemiptera: Dactylopiidae) of Prickly Pear Cactus
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DOI: 10.1093/ee/nvy006
Abstract: Abstract The wild cochineal (Dactylopius opuntiae Cockerell) (Hemiptera: Dactylopiidae) is considered to be the most important pest in cactus pear plantations. In Mexico, there are seven natural enemies that provide natural biological control of D.… read more here.
Keywords: wild cochineal; hemiptera dactylopiidae; biological control; chilocorus cacti ... See more keywords
Sharp upper bounds of $A_\alpha$-spectral radius of cacti with given pendant vertices
Sign Up to like & getrecommendations! Published in 2020 at "Hacettepe Journal of Mathematics and Statistics"
DOI: 10.15672/hujms.519987
Abstract: For $ \alpha \in [0,1]$, let $A_{\alpha}(G) = \alpha D(G) +(1-\alpha)A(G)$ be $A_{\alpha}$-matrix, where $A(G)$ is the adjacent matrix and $D(G)$ is the diagonal matrix of the degrees of a graph $G$. Clearly, $A_{0} (G)$… read more here.
Keywords: alpha alpha; spectral radius; alpha spectral; pendant vertices ... See more keywords
Effectiveness of water-saving technologies during early stages of restoration of endemic Opuntia cacti in the Galápagos Islands, Ecuador
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DOI: 10.7717/peerj.8156
Abstract: Restoration of keystone species is a primary strategy used to combat biodiversity loss and recover ecological services. This is particularly true for oceanic islands, which despite their small land mass, host a large fraction of… read more here.
Keywords: water; gal pagos; water saving; saving technologies ... See more keywords