THE USE OF THE SPECIES PAIR CONCEPT IN LICHEN TAXONOMY

Taxon ◽  
1989 ◽  
Vol 38 (2) ◽  
pp. 238-241 ◽  
Author(s):  
Jan-Eric Mattsson ◽  
H. Thorsten Lumbsch
Keyword(s):  
Species Pair ◽  
Lichen Taxonomy

Umbilicaria Propagulifera New to The Northern Hemisphere

1982 ◽  
Vol 14 (1) ◽  
pp. 47-52 ◽  
Author(s):  
P. B. Topham ◽  
M. R. D. Seaward ◽  
E. A. Bylińska
Keyword(s):  
Northern Hemisphere ◽  
Morphological Description ◽  
Species Pair

AbstractUmbilicaria propagulifera (Vainio) Llano is reported as new to Poland. A morphological description is given and its distribution in both southern and northern hemispheres is established. U. vellea var. dendrophora is considered to be a synonym. The chemistry of U. propagulifera is variable. Its affinities within the genus and its possible relationship, as a species pair, with U. cylindrica are discussed.

Two new species of Leptarma (Decapoda, Brachyura, Sesarmidae) from the Western Indian Ocean with notes on their phylogeny

Zootaxa ◽  
2020 ◽  
Vol 4816 (4) ◽  
pp. 439-456
Author(s):  
ADNAN SHAHDADI ◽  
CHRISTOPH D. SCHUBART
Keyword(s):  
New Species ◽  
Indian Ocean ◽  
Relative Length ◽  
Western Indian Ocean ◽  
Cox1 Gene ◽  
Congeneric Species ◽  
Species Pair ◽  
Two New Species ◽  
Close Relationship ◽  
De Man

Two new species of Leptarma, L. dispersum n. sp. and L. reunionense n. sp. are described from Europa Island and Réunion Island, respectively. Genetically, based on the mitochondrial COX1 gene, both species are markedly divergent from other congeneric species. Phylogenetically, L. dispersum n. sp. shows close relationship with L. lenzii (De Man, 1895) while L. reunionense n. sp. clusters with L. aurifrons (Li, Ng & Shih, 2019) and the species pair L. moluccense (De Man, 1892) and L. paucitorum (Rahayu & Ng, 2009). Morphologically, the new species differ most significantly from congeners by the relative length of the ambulatory legs and the shapes of the first gonopods and carapace. After the description of these two new species, the number of species comprised in the genus Leptarma is raised to 20, four of them being distributed in and off East Africa. 

ALLOZYME VARIATION IN COREOPSIS NUECENSOIDES AND C. NUECENSIS (COMPOSITAE), A PROGENITOR-DERIVATIVE SPECIES PAIR

Evolution ◽  
1982 ◽  
Vol 36 (2) ◽  
pp. 379-386 ◽  
Author(s):  
Daniel J. Crawford ◽  
Edwin B. Smith
Keyword(s):  
Allozyme Variation ◽  
Species Pair

Breakdown in Postmating Isolation and the Collapse of a Species Pair through Hybridization

2010 ◽  
Vol 175 (1) ◽  
pp. 11-26 ◽  
Author(s):  
Jocelyn E. Behm ◽  
Anthony R. Ives ◽  
Janette W. Boughman
Keyword(s):  
Species Pair ◽  
Postmating Isolation

Chloroplast DNA variation inCoreopsis nuecensoides andC. nuecensis (Asteraceae), a presumed progenitor-derivative species pair

1999 ◽  
Vol 218 (1-2) ◽  
pp. 5-12 ◽  
Author(s):  
Roberta J. Mason-Gamer ◽  
Kent E. Holsinger ◽  
Robert K. Jansen
Keyword(s):  
Chloroplast Dna ◽  
Species Pair ◽  
Dna Variation ◽  
Chloroplast Dna Variation

Nuclear DNA Contents of Coreopsis nuecensoides and C. nuecensis (Asteraceae), a Progenitor-Derivative Species Pair

1984 ◽  
Vol 145 (2) ◽  
pp. 240-245 ◽  
Author(s):  
H. James Price ◽  
Daniel J. Crawford ◽  
Randall J. Bayer
Keyword(s):  
Nuclear Dna ◽  
Species Pair ◽  
Dna Contents ◽  
Nuclear Dna Contents

scholarly journals Reaction of wheat plants and alternative hosts to Magnaporthe oryzae

2018 ◽  
Vol 85 (0) ◽  
Author(s):  
Lucas Gustavo Yock Durante ◽  
Lilian Maria Arruda Bacchi ◽  
Jessica Evangelista de Souza ◽  
Felipe André Sganseria Graichen
Keyword(s):  
Cell Death ◽  
Magnaporthe Oryzae ◽  
Plant Pathogen ◽  
Host Plants ◽  
Blast Disease ◽  
Plant Responses ◽  
Defensive Response ◽  
Species Pair ◽  
Digitaria Sanguinalis ◽  
Plant Pathogen Interactions

ABSTRACT: Blast disease, caused by the fungus Magnaporthe oryzae, has a major impact on wheat farming. The study of plant responses to pathogens has improved the management of this disease. Moreover, it is important to identify potential host plants in the crops’ vicinity and to understand reactions caused by plant-pathogen interactions. The objective of this study was to assess the histopathology of wheat plants, Digitaria insularis and Digitaria sanguinalis inoculated with M. oryzae isolates obtained either rice or wheat plants. Thirty-three days after sowing, greenhouse-grown plants of all three species were inoculated with each M. oryzae isolate. The observed effects (48 hours after inoculation) differed depending on the particular interaction between each pathogen isolate-plant species pair. For instance, wheat and D. sanguinalis had the weakest defensive response against spore germination, production of melanized appressoria, and appressorial penetration, with average values above 87, 90, and 43%, respectively, for these events in these plants. Furthermore, germination and appressoria melanization were more aggressive in the rice isolate than in the wheat isolate. Additionally, evidence for a defensive response (such as cell death) was observed in wheat plants inoculated with rice isolates. However, such a response was absent in plants inoculated using wheat isolates, presumably because pathogen recognition failed.

Role of photonic-crystal-type structures in the thermal regulation of a Lycaenid butterfly sister species pair

2003 ◽  
Vol 67 (2) ◽  
Author(s):  
L. P. Biró ◽  
Zs. Bálint ◽  
K. Kertész ◽  
Z. Vértesy ◽  
G. I. Márk ◽  
...  
Keyword(s):  
Photonic Crystal ◽  
Sister Species ◽  
Thermal Regulation ◽  
Species Pair ◽  
Crystal Type ◽  
Lycaenid Butterfly
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