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Journal articles on the topic 'Ulmus villosa'

Author: Grafiati
Published: 10 March 2023

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1

Khan, Rafi Ullah, Niaz Ali, Siddiq Ur Rahman, Inayat Ur Rahman, Abeer Hashem, Khalid F. Almutairi, Elsayed Fathi Abd_Allah, et al. "Genetic Diversity and Population Structure of the Endangered Ulmusvillosa in Pakistan Revealed by DNA Barcode Markers." Applied Sciences 12, no. 18 (September 16, 2022): 9293. http://dx.doi.org/10.3390/app12189293.

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Ulmus villosa Brandis ex Gamble, an economically and ecologically important forest tree, is native to the western Himalayas of Pakistan. The long pressure imposed by unsustainable utilization and market demands has resulted in the rapid decline of the U. villosa population in the wild. To date, very limited information on the genomic diversity of U. villosa is available and this can tremendously limit our understanding of distribution and future conservation of U. villosa. Therefore, the current study aimed to assess genetic diversity within U. villosa wild populations of the Hazara Division using four barcoding markers (i.e., rbcL, matK XF + 5R, matK 390F + 1326R and trnH-psbA). A total of six high quality sequences were obtained with rbcL, four with matK XF + 5R, four with matK 390F + 1326R, and fourteen with trnH-psbA. The sequenced regions contained insertions and deletions as well as several SNPs across the length of sequences, and PCR-based markers may be developed from these novel SNPs markers. The phylogenetic results supported the polyphyletic origin of the genus Ulmus, and the data indicated that multiple speciation events may have led to the evolution of U. villosa in this region. For deeper understanding of the origin and evolution of U. villosa, sequencing of the complete nuclear and chloroplast genomes will be pivotal. The results herein provide novel insights into the genomic diversity as well as phylogenetic relationships of U. villosa with other species, and may facilitate both in situ and ex situ conservation efforts for this endangered species.
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2

Kupiyanov, Oleg, Andrey Kupiyanov, and Baurjan Turalin. "Degree of naturalization of non-native plants on dumps." BIO Web of Conferences 31 (2021): 00014. http://dx.doi.org/10.1051/bioconf/20213100014.

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The presence of non-native plants on dumps in Kuzbass was studied. 26 plants included in the Black Book of Flora of Siberia were identified: Acer negundo, Amoria hybrida, Atriplex sagittata, Conium maculatum, Conyza canadensis, Echinochloa crusgalli, Echinocystis lobata, Echium vulgare, Elaeagnus angustifolia, Epilobium adenocaulon, Hordeum jubatum, Impatiens glandulifera, Lactuca serriola, Lepidium densiflorum, Lepidotheca suaveolens, Lupinus polyphyllus, Malus baccata, Medicago sativa, Melilotus officinalis, Oenothera villosa, Pastinaca sativa, Plantago lanceolata, Senecio vulgaris, Solidago сanadensis, Tripleurospermum inodorum, Ulmus pumila. Non-native plants occur at all stages of syngenesis and are of great importance in the formation of the vegetation on dumps. Colonophytes-agriophytes and epecophytes have a high degree of naturalization: Amoria hybrida (mountain taiga subbelt), Epilobium adenocaulon, Medicago sativa, Melilotus officinalis, Oenothera villosa (mountain taiga subbelt), Pastinaca sativa, Tripleurospermum inodorum, Ulmus pumila (southern forest-steppe subzone).
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3

Whittemore, Alan T., Ryan S. Fuller, Bethany H. Brown, Marlene Hahn, Linus Gog, Jaime A. Weber, and Andrew L. Hipp. "Phylogeny, Biogeography, and Classification of the Elms (Ulmus)." Systematic Botany 46, no. 3 (October 25, 2021): 711–27. http://dx.doi.org/10.1600/036364421x16312068417039.

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Abstract— A RAD-seq phylogeny is presented for the genus Ulmus, and a revised infrageneric classification is given, with keys, descriptions, and range maps for the subgenera and sections. The previously accepted classification was based on a cpDNA phylogeny, but several well-marked clades in the chloroplast phylogeny are not recovered in the RAD-seq phylogeny and do not seem to represent valid clades in the organismal phylogeny. Ordination and STRUCTURE analysis support a broad species concept in Ulmus sect. Foliaceae and demonstrate interspecific hybridization in the section. Several sections of the genus are disjunct between Asia, Europe, and North America, indicating dispersals between the northern continents with inferred dates from ca. 20 Ma to ca. 3 Ma. Morphological variation is discussed, and some characters previously considered characteristic of Ulmus subg. Oreoptelea (narrowly winged achenes, ciliate achene margin) are shared with the unrelated U. villosa. A new subgenus, Ulmus subg. Indoptelea, is described. It can be recognized morphologically by its combination of compact inflorescences with very short pedicels, and samaras with narrow, strongly ciliate wings. It is sister to Ulmus subg. Ulmus, but has a smaller genome than either of the other subgenera.
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4

Bhat, Nisar, Zafar Reshi, and Raj Verma. "Effect of different plant communities on soil characteristics in Dachigam National Park, Jammu and Kashmir, India." Indian Journal of Forestry 34, no. 1 (March 1, 2011): 103–4. http://dx.doi.org/10.54207/bsmps1000-2011-9e38kw.

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The present study high lights the physico chemical properties of soils under two different plant communities. The soil was Loamy in texture and more acidic in nature Total N available P, K available Ca, Mg were found high in Ulmus villosa as compared to Fraxinus excelsior the concentration of all the nutrients were fairly high in upper soil layer and gradually decreases with soil depth.
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5

Whittemore, Alan T., and Zheng-Lian Xia. "Genome Size Variation in Elms (Ulmus spp.) and Related Genera." HortScience 52, no. 4 (April 2017): 547–53. http://dx.doi.org/10.21273/hortsci11432-16.

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Elms (Ulmus spp.) are iconic street and landscape trees, but their use is currently limited by susceptibility to disease, especially Dutch elm disease (DED). Improved access to disease-resistant germplasm will be of great benefit for ongoing breeding and selection programs, but these programs have been limited historically by uncertain relationships among Ulmus species, especially the North American species and their putative Old World relatives. Estimates of genome size from 28 species representing both subgenera of Ulmus (subg. Ulmus and subg. Oreoptelea) and six species in the related small genera Zelkova, Hemiptelea, and Planera were estimated using flow cytometry. Genome-size estimates were calibrated using seven elms with known chromosome counts. Results strongly supported the subgeneric classification of Wiegrefe et al. Monoploid genome size was found to be quite constant within the subgenera of Ulmus they recognized and within the small genera, and polyploidy is uncommon in these plants. However, there are consistent differences in genome size between the subgenera of Ulmus and between them and the smaller genera, and these differences can be used to place species in their proper taxon, knowledge which can be useful in identifying disease-resistant germplasm that may be compatible with Ulmus americana and other North American taxa. Two Asian species that have sometimes been considered to be related to North American species now placed in subg. Oreoptelea were tested. The Himalayan Ulmus villosa has a much smaller genome than either of the subgenera, indicating that its relationship with other elms is rather remote. It may be a source of novel genes in Ulmus, but our results indicate it is not close to U. americana or other New World species. In contrast, results from the rare Chinese species Ulmus elongata support its placement in subg. Oreoptelea. It is the only close relative of the North American elms that is native to Asia, where DED is believed to have originated, and its response to DED infection should be evaluated.
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6

Thakur, I., Sapna Thakur, N. B. Singh, R. Gupta, J. Sharma, and M. Sankanur. "Studies on Evaluation of Progeny, Variability, Heritability and Correlation in Marinoo (Ulmus Villosa)." Indian Journal of Forestry 36, no. 3 (September 1, 2013): 333–38. http://dx.doi.org/10.54207/bsmps1000-2013-nq0218.

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Study on Ulmus villosa Brandis was carried out in Himachal Pradesh to estimate the genetic variability for morphometric traits of progenies at nursery stage. Seeds were collected from five mother trees each at six seed sources and progenies were raised. All the growth characters, except number of branches, varied significantly among different seed sources and trees within seed source. Leaf area and number of leaves were found to have high coefficient of variability, whereas collar diameter, plant height and petiole length had high heritability with moderate genetic gain suggesting their importance for the success of improvement through selection. Genotypic and phenotypic correlations for all possible pairs were also found out and discussed. Highly significant and positive genotypic and significant phenotypic correlations were observed for height and diameter indicating their significance in indirect selection.
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7

Saksonov, Sergey Vladimirovich, Nikolai Sergeevich Rakov, Vladimir Mikhailovich Vasjukov, and Stepan Aleksandrovich Senator. "Alien plants in forest communities of the Middle Volga Region: dissemination and degree of naturalization." Samara Journal of Science 6, no. 2 (June 1, 2017): 78–83. http://dx.doi.org/10.17816/snv201762115.

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In forest communities of the Middle Volga forest-steppe zone (within Penza, Samara and Ulyanovsk Regions) there are 60 alien species of vascular plants. 25 species of adventives (42%) have naturalized in forests, 7 species are epecophytes ( Cotoneaster lucidus , Oenothera biennis , O. rubricaulis , and O. villosa , Populus suaveolens , Ulmus minor , Xanthoxalis stricta ) and 18 species are agriophytes ( Acer negundo , Amelanchier spicata , Bidens frondosa , Caragana arborescens , Conyza canadensis , Echinocystis lobata , Heracleum sosnowskyi , Impatiens parviflora , Fraxinus lanceolata , F. pennsylvanica , Lonicera tatarica , Lupinus polyphyllus , Malus domestica , Parthenocissus inserta , Salix euxina , Sambucus racemosa , S. sibirica , Ulmus pumila ). Transformer-types are arboreal - Acer negundo , Fraxinus lanceolata , F. pennsylvanica , Parthenocissus inserta , Ulmus pumila , as well as herbaceous plants - Bidens frondosa , Conyza canadensis , Echinocystis lobata , Heracleum sosnowskyi , Impatiens parviflora . The introduction of alien trees and shrubs in the forest can lead to dense thickets, disrupt underbrush resumption and main forest-forming species growth, as well as negatively affect the herbaceous layer. Most vulnerable to the introduction of adventive plants are roadsides and the places where forests are close to human settlements. The introduction of alien plants in forest communities is the result of ornithochory (33; 54%), anemochory (11 species; 18%), anthropochory (8 species; 13%) or a combination of various ways of introduction.
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8

Negi, Mast Ram, Tara Gupta, and Ankush. "Natural regeneration status and associates of Ulmus villosa brandis from four valley areas of its natural distribution in Himachal Pradesh." International Journal of Farm Sciences 12, no. 4 (2022): 50–54. http://dx.doi.org/10.5958/2250-0499.2022.00096.9.

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9

Panda, Sucharita, D. R. Bhardwaj, C. L. Thakur, Prashant Sharma, and Dhirender Kumar. "Growth response of seven multipurpose tree species to climatic factors: A case study from northwestern Himalayas, India." Journal of Forest Science 68, No. 3 (March 22, 2022): 83–95. http://dx.doi.org/10.17221/159/2021-jfs.

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Identification of the species for dendrochronological studies is of great relevance to understand various aspects of climate change. However, in the northwestern Himalayan region, dendroclimatological investigations are confined to conifer species, with broadleaved species being disregarded. Thus, the present study was conducted to assess the growth response of seven multipurpose tree species (MPTs), namely Bauhinia variegata, Celtis australis, Grewia optiva, Paulownia fortunei, Toona ciliata, Ulmus villosa and Melia composita to local climate variables, viz. temperature as well as rainfall (seasonal, monthly, average) and CO2 level by evaluating the climatic signal in tree ring chronologies at Solan district, India (altitude 1 250 m) in the mid-hills of the northwestern Himalayas. The results indicated that only the maximum, rainy season temperature and CO2 level varied significantly (P < 0.05) between 1991 and 2017. Only G. optiva exhibited a significant (P < 0.05) tendency toward increased growth. C. australis has a remarkable negative correlation with temperature variables, viz. average, maximum, spring season, March temperature, whereas T. ciliata exhibits a positive correlation with temperature variables, such as rainy season, average and April temperature. Similarly, winter, total and December rainfall have a profound effect on P. fortunei, while March rainfall adversely affected the growth of B. variegata. On the other hand, G. optiva demonstrated sensitivity to both temperature (February and May) and rainfall variables (winter, February and May). U. villosa recorded a positive correlation with rainfall (autumn and October rainfall) but a negative correlation with temperature variables (maximum and April temperature). Elevated CO2 levels affected only two species (G. optiva, M. composita) out of the seven selected species. Our findings will contribute to a better understanding of the climate growth relationships of investigated tree species, as a result, to more accurate projections of the effects of climate change on these MPTs and directing future studies.
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10

Vasjukov, Vladimir Mikhailovich, and Lyubov Alexandrovna Novikova. "Naturalized alien plants in Penza Region." Samara Journal of Science 6, no. 1 (March 1, 2017): 19–22. http://dx.doi.org/10.17816/snv201761103.

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The paper deals with naturalized alien plants in Penza Region. There are 75 naturalized alien plant species in the flora of the Penza Region, the most dangerous for natural ecosystems of them are 10 transformers species ( Acer negundo , Bidens frondosa , Echinocystis lobata , Elaeagnus angustifolia , Elodea canadensis , Fraxinus lanceolata , Fraxinus pennsylvanica , Phalacrolomaseplentrionale , Salix euxina , Ulmus pumila ), 20 alien species, actively settled and invasive in semi-natural and natural habitats ( Amelanchier spicata , Conyza canadensis , Cuscuta campestris , Echinochloa crusgalli , Epilobium adenocaulon , Epilobium pseudorubescens , Geranium sibiricum , Heracleumsosnowskyi , Helianthus subcanescens , Hippopha rhamnoides , Impatiens glandulifera , Juncus tenuis , Malus domestica , Oenothera villosa s.l., Parthenocissus inserta , Phragmites altissimus , Sambucus racemosa , Sambucus sibirica , Solidago canadensis s.l., Xanthium albinum ), 45 alien species, invasive and settled at present in disturbed habitats ( Acroptilon repens , Amaranthus albus , Amaranthus blitoides , Amaranthus retroflexus , Ambrosia artemisiifolia , Ambrosiatrifida , Anisantha tectorum , Arrhenatherumelatius , Artemisia sieversiana , Atriplex tatarica , Bassia sieversiana , Berberisvulgaris , Cannabisruderalis , Caragana arborescens , Cardaria draba , Centaurea diffusa , Chamomilla suaveolens , Crataegus monogyna , Cyclachaena xanthiifolia , Elsholtzia ciliata , Galega orientalis , Galinsoga quadriradiata , Galinsoga parviflora , Grindelia squarrosa , Gypsophila perfoliata , Hordeum jubatum , Impatiens parviflora , Kali collina , Lepidium densiflorum , Leymusracemosus , Lolium perenne , Lupinus polyphyllus , Oenothera biennis , Oenothera rubricaulis , Onobrychisviciifolia , Populusbalsamifera , Portulaca oleracea , Robiniapseudoacacia , Senecio viscosus , Sisymbriumvolgense , Symphyotrichum salignum s.l., Symphytumcaucasicum , Typha laxmannii , Vinca minor , Xanthoxalis stricta ).
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11

Majeed, Mahak, Tanveer Bilal Pirzadah, Manzoor Ahmad Mir, Khalid Rehman Hakeem, Hesham F. Alharby, Hameed Alsamadany, Atif A. Bamagoos, and Reiaz Ul Rehman. "Comparative Study on Phytochemical Profile and Antioxidant Activity of an Epiphyte, Viscum album L. (White Berry Mistletoe), Derived from Different Host Trees." Plants 10, no. 6 (June 11, 2021): 1191. http://dx.doi.org/10.3390/plants10061191.

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The study aimed at evaluating the antioxidant profile of a medicinal epiphyte Viscum album L. harvested from three tree species, namely, Populus ciliata L, Ulmus villosa L., and Juglans regia L. The crude extracts were obtained with ethanol, methanol, and water and were evaluated for the total phenol content (TPC), total flavonoid content (TFC), and antioxidant activities using total reducing power (TRP), ferric reducing antioxidant power (FRAP), 1, 1-diphenyl 1-2-picryl-hydrazyl (DPPH), superoxide radical scavenging (SOR), and hydroxyl radical scavenging (•OH) assays. Our results showed that crude leaf extracts of plants harvested from the host Juglans regia L. exhibited higher yields of phytochemical constituents and noticeable antioxidative properties. The ethanolic leaf samples reported the highest phenols (13.46 ± 0.87 mg/g), flavonoids (2.38 ± 0.04 mg/g), FRAP (500.63 ± 12.58 μM Fe II/g DW), and DPPH (87.26% ± 0.30 mg/mL). Moreover, the highest values for TRP (4.24 ± 0.26 μg/mL), SOR (89.79% ± 0.73 mg/mL), and OH (67.16% ± 1.15 mg/mL) were obtained from aqueous leaf extracts. Further, Pearson correlation was used for quantifying the relationship between TPC, TFC, and antioxidant (FRAP, DPPH, SOR, OH) activities in Viscum album L. compared to their hosts. It was revealed that the epiphyte showed variation with the type of host plant and extracting solvent.
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12

Nazir, Ishrat, Vaishnu Dutt, Anup Raj, G. M. Bhat, Bilal Ahmad Bhat, and Akhlaq Amin Wani. "Vegetative propagation of <i>Ulmus villosa</i> Brandis and <i>Ulmus wallichiana</i> Planchon: optimizing plant growth regulators and growing media on root formation in hardwood stem cuttings." Current Science 121, no. 5 (September 10, 2021): 691. http://dx.doi.org/10.18520/cs/v121/i5/691-696.

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13

Bhardwaj, D. R., and V. K. Mishra. "Vegetative propagation of Ulmus villosa: effects of plant growth regulators, collection time, type of donor and position of shoot on adventitious root formation in stem cuttings." New Forests 29, no. 2 (March 2005): 105–16. http://dx.doi.org/10.1007/s11056-005-0240-1.

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14

Khanday, Abdul Lateef, and Abdul A. Buhroo. "Life History and Biology of the Elm Bark Beetle <i>Scolytus kashmirensis</i> Schedl (Coleoptera: Curculionidae: Scolytinae) Infesting <i>Ulmus villosa</i> in Kashmir." Open Journal of Forestry 05, no. 04 (2015): 443–53. http://dx.doi.org/10.4236/ojf.2015.54038.

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15

"Ulmus villosa." CABI Compendium CABI Compendium (January 7, 2022). http://dx.doi.org/10.1079/cabicompendium.55655.

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16

Khan, Rafi Ullah, Niaz Ali, Inayat Ur Rahman, and Siddiq Ur Rahman. "Predicting the impacts of climate change on the potential distribution pattern of endangered Himalayan natives (Ulmus wallichiana and U. villosa) in Pakistan." Arabian Journal of Geosciences 14, no. 23 (November 25, 2021). http://dx.doi.org/10.1007/s12517-021-08969-1.

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