RAPD fingerprints for identification and for taxonomic studies of elite poplar (Populus spp.) clones

1993 ◽  
Vol 87 (1-2) ◽  
pp. 54-59 ◽  
Author(s):  
S. Castiglione ◽  
G. Wang ◽  
G. Damiani ◽  
C. Bandi ◽  
S. Bisoffi ◽  
...  
Keyword(s):  
Rapd Fingerprints ◽  
Taxonomic Studies ◽  
Populus Spp

Taxonomic studies on the genus Glyphodes Guenee (Lepidoptera: Crambidae: Spilomelinae) from Karnataka, India

ENTOMON ◽  
2020 ◽  
Vol 44 (4) ◽  
pp. 241-248
Author(s):  
P. Maheswara Reddy ◽  
M. Shankara Murthy
Keyword(s):  
Adult Stage ◽  
Entire Body ◽  
Green Colour ◽  
Taxonomic Studies

The specimens collected and reared to an adult stage on their respective hosts utilized to characterize the species of the genus Glyphodes based on morphological and genital characters of adults, revealed three species of the genus Glyphodes and were documented from Karnataka viz., Glyphodes caesalis Walker, Glyphodes pulverulentalis Hampson and Glyphodes vertumnalis Guenee on jack-fruit, mulberry and jasmine, respectively. These three species differ morphologically in having entire body green colour in G. vertumnalis, abdomen with oblique lateral stripes in G. pulverulentalis wherein, G. caesalis having sub-marginal black edged patch on costa with four spots. In genitalia, uncus greatly curved and beak shaped in G. vertumnalis, uncus slim and slightly curved in G. caesalis, whereas in G. pulverulentalis uncus long, narrow and slightly curved with short setae at apex.

Taxonomic studies on Psathyrella sect. Spadiceae.

2008 ◽  
Vol 60 (2) ◽  
pp. 137-171 ◽  
Author(s):  
Martina Vašutová
Keyword(s):  
Taxonomic Studies

Rubiacearum Americanarum Magna Hama Pars XLV: More New Species and Taxonomic Changes in Palicourea (Rubiaceae, Palicoureeae) and Psychotria subg. Heteropsychotria

2019 ◽  
Vol 27 (3) ◽  
pp. 165-195
Author(s):  
Charlotte M. Taylor
Keyword(s):  
New Species ◽  
Molecular Analyses ◽  
The Andes ◽  
Taxonomic Changes ◽  
Species Groups ◽  
Three New Species ◽  
Taxonomic Studies

Psychotria subg. Heteropsychotria Steyerm. has been shown by morphological and molecular analyses to be polyphyletic. Most of its species, including its type, belong to Palicourea Aubl. (“Pal.”). Thirty-two species of this group are reviewed here, and 17 species in Psychotria L. are transferred to Palicourea and one to Rudgea Salisb. Two replacement names, Pal. agudeloana C. M. Taylor and Pal. tabayensis C. M. Taylor, are published. Taxonomic studies here clarify circumscriptions of similar, often-confused species for several distinctive species groups found variously in Mesoamerica and the Andes: the Palicourea aschersonianoides group, the Palicourea galeottiana group, the Palicourea sulphurea group, and the Palicourea tristis group. Three new species of Palicourea are described: Pal. aschersonianula C. M. Taylor, Pal. gonzaleziana C. M. Taylor, and Pal. wachterae C. M. Taylor. Nineteen names are newly typified, and infrageneric classifications are noted for the species of Palicourea studied.

Irrigation management in poplar (Populus spp.) plantations: A review

2021 ◽  
Vol 494 ◽  
pp. 119330
Author(s):  
Benye Xi ◽  
Brent Clothier ◽  
Mark Coleman ◽  
Jie Duan ◽  
Wei Hu ◽  
...  
Keyword(s):  
Irrigation Management ◽  
Populus Spp

scholarly journals Embryonic development of the fire-eye-tetra Moenkhausia oligolepis (Characiformes: Characidae)

Zygote ◽  
2021 ◽  
pp. 1-5
Author(s):  
Raquel Santos dos Santos ◽  
Jeane Rodrigues Rodrigues ◽  
Jhennifer Gomes Cordeiro ◽  
Hadda Tercya ◽  
Marissol Leite ◽  
...  
Keyword(s):  
Embryonic Development ◽  
Germ Cell ◽  
Cell Transplantation ◽  
Species Conservation ◽  
Biotechnological Applications ◽  
Model Species ◽  
Phylogenetic Classification ◽  
Laboratory Conditions ◽  
Adhesive Surface ◽  
Taxonomic Studies

Summary This study describes the embryonic development of Moenkhausia oligolepis in laboratory conditions. After fertilization, the embryos were collected every 10 min up to 2 h, then every 20 min up to 4 h, and afterwards every 30 min until hatching. The fertilized eggs of M. oligolepis measured approximately 0.85 ± 0.5 mm and had an adhesive surface. Embryonic development lasted 14 h at 25ºC through the zygote, cleavage, blastula, gastrula, neurula, and segmentation phases. Hatching occurred in embryos around the 30-somites stage. The present results contribute only the second description of embryonic development to a species from the Moenkhausia genus, being also the first for this species. Such data are of paramount importance considering the current conflicting state of this genus phylogenetic classification and may help taxonomic studies. Understanding the biology of a species that is easily managed in laboratory conditions and has an ornamental appeal may assist studies in its reproduction to both supply the aquarium market and help the species conservation in nature. Moreover, these data enable the use of M. oligolepis as a model species in biotechnological applications, such as the germ cell transplantation approach.

scholarly journals When SEM becomes a deceptive tool of analysis: the unexpected discovery of epidermal glands with stalked ducts on the ultimate legs of geophilomorph centipedes

2021 ◽  
Vol 18 (1) ◽  
Author(s):  
Andy Sombke ◽  
Carsten H. G. Müller
Keyword(s):  
Sensory Function ◽  
Sexually Dimorphic ◽  
Non Invasive ◽  
Defensive Role ◽  
Transmission Electron ◽  
Sensory Structures ◽  
Taxonomic Studies ◽  
Invasive Techniques ◽  
Epidermal Glands ◽  
Intrinsic Musculature

Abstract Background The jointed appendage is a key novelty in arthropod evolution and arthropod legs are known to vary enormously in relation to function. Among centipedes, the ultimate legs always are distinctly different from locomotory legs, and different centipede taxa evolved different structural and functional modifications. In Geophilomorpha (soil centipedes), ultimate legs do not participate in locomotion and were interpret to serve a sensory function. They can be sexually dimorphic and in some species, male ultimate legs notably appear “hairy”. It can be assumed that the high abundance of sensilla indicates a pronounced sensory function. This study seeks for assessing the sensory diversity, however, documents the surprising and unique case of an extensive glandular epithelium in the ultimate legs of three phylogenetically distant species. Results The tightly aggregated epidermal glands with stalked ducts – mistakenly thought to be sensilla – were scrutinized using a multimodal microscopic approach comprising histology as well as scanning and transmission electron microscopy in Haplophilus subterraneus. Hence, this is the first detailed account on centipede ultimate legs demonstrating an evolutionary transformation into a “secretory leg”. Additionally, we investigated sensory structures as well as anatomical features using microCT analysis. Contrary to its nomination as a tarsus, tarsus 1 possesses intrinsic musculature, which is an indication that this podomere might be a derivate of the tibia. Discussion The presence and identity of ultimate leg associated epidermal glands with stalked ducts is a new discovery for myriapods. A pronounced secretory as well as moderate sensory function in Haplophilus subterraneus can be concluded. The set of characters will improve future taxonomic studies, to test the hypotheses whether the presence of these specialized glands is a common feature in Geophilomorpha, and that tarsus 1 may be a derivate of the tibia. As the number of epidermal glands with stalked ducts is sexually dimorphic, their function might be connected to reproduction or a sex-specific defensive role. Our results, in particular the unexpected discovery of ‘glandular hairs’, may account for a striking example for how deceptive morphological descriptions of epidermal organs may be, if based on non-invasive techniques alone.

Perspectives on Populus spp. (Salicaceae) bud extracts as antioxidant and anti-inflammatory agents

2021 ◽  
pp. 1-5
Author(s):  
Elisa Pannucci ◽  
Donatella D’Eliseo ◽  
Francesca Ieri ◽  
Annalisa Romani ◽  
Luca Santi ◽  
...  
Keyword(s):  
Anti Inflammatory ◽  
Populus Spp

Taxonomic studies of two genera, Elongationa gen. nov. and Midoria Kato (Hemiptera: Cicadellidae: Ledrinae), with two new species from China

Zootaxa ◽  
2017 ◽  
Vol 4294 (3) ◽  
pp. 361 ◽  
Author(s):  
JING SUN ◽  
WEIJIAN HUANG ◽  
YALIN ZHANG
Keyword(s):  
New Species ◽  
Key To Species ◽  
Two New Species ◽  
Taxonomic Studies ◽  
One New Species ◽  
A New Species

Elongationa gen. nov., a new leafhopper genus (Hemiptera: Cicadellidae: Ledrinae) with one new species, E. hyalina sp. nov., is described and illustrated in detail. A checklist and key to species in the genus Midoria are provided including a new species, Midoria curvidentata sp. nov., described in this paper.  

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