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324 results for “plant collection”
Planting time data based on automated data collection
<p>In this dataset, the planting time information is based on data collected by the Risutec Asta documentation system. The data consisted of nine planting sites in western Finland (the coordinates of the study area are 60°41'52"N–61°59'38"N and 21°36'24"E–23°48'49"E). Mechanized planting was carried out by one machine entrepreneur using a crawler excavator fitted with a Risutec PM-160 planting device during the planting seasons of 2019 and 2020. A total of 72,711 seedlings were planted at the study sites (40.6 ha). </p> <p> </p> <p>The collected Asta data were used to define the time consumption and productivity of the excavator-based planting machine, considering the production time consumed at the planting worksites (hours), the loading time of the seedling cassette (minutes), the planting time per seedling (seconds), and the operating hour productivity (seedlings G<sub>15</sub>-hour<sup>–1</sup>, including short [<15 min] delays). The timestamps of each mechanically planted seedlings were presented in chronological order, including the start and end times of planting work.</p> <p> </p> <p>The calculated planting time per seedling (s seedling<sup>–1</sup>) is presented for each planting observation (seedling). The planting time per seedling was calculated by subtracting the timestamp of the previously planted seedling from the timestamp of the planted seedling. In practice, all productivity and time consumption calculations in the study are based on the calculated planting times per seedling. Further details regarding the calculations and employed methodologies can be found in the article (Kemppainen et al. 2024).</p> <p> </p> <p>Description of all variables in the dataset:</p> <p> </p> <p>Site = Number of study site (1–9) </p> <p>Seedling = Order number of planted seedling</p> <p>Date = Date of planting observation (format: DD.MM.YYYY)</p> <p>Timestamp = Time of planting observation (format: HH.MM.SS)</p> <p>Planting time (s) = Calculated planting time per seedling (seconds)</p> <p> </p> <p>Note: In the study by Kemppainen et al. (2024), all planting times of less than 4 s were excluded from the final dataset. Following the correction of the data, a total of 71 903 seedlings included in the final dataset. In addition, the planting time of the first seedling planted at the worksite was defined as 9 s because there was no previous timestamp for the first seedling to allow an exact calculation of the planting time.</p> <p> </p> <p>References</p> <p>Kemppainen K., Kärhä K., Laitila J., Sairanen A., Kankaanhuhta V., Viiri H., Peltola H. (2024). Evaluation of the productivity and costs of excavator-based mechanized tree planting in Finland based on automated data collection. <a href="https://www.silvafennica.fi/">Silva Fennica</a> vol. <a href="https://www.silvafennica.fi/volume/58/1">58</a> no. <a href="https://www.silvafennica.fi/issue/3292">5</a> article id <a href="https://www.silvafennica.fi/article/24047">24047</a>. <a href="https://doi.org/10.14214/sf.24047">https://doi.org/10.14214/sf.24047</a></p>
Historical Plant Collections Card Catalog
<p>TREC began operations in 1930 with development of the land and planting of the first crops. The digitized card catalog documents the earliest plants collected and cultivated at TREC including ornamental and fruit crops. Native and rare plants are also included with conservation focus. Most of the cards document activity from the 1930's to the 1960's with fewer entries from the 1970's and 1980's.</p> <p>The catalog for this collection is contained as `_CardCatalogFiles2021.xlsx` with the collection as the accompanying 468 image files that digitize 4,170 cards.</p>
Ecological data from: Combining botanical collections and ecological data to better describe plant community diversity
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Data from: Introduced bees (Osmia cornifrons) collect pollen from both coevolved and novel host-plant species within their family-level phylogenetic preferences
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Learning to handle flowers increases pollen collection benefits for bees but does not affect pollination success for plants
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Plant collections for conservation and restoration: can they be adapted and adaptable?
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Data from: Multi-objective optimization for plant germplasm collection conservation of genetic resources based on molecular variability
Germplasm collections play a significant role among strategies for conservation of diversity. It is common to select a core collection to represent the genetic diversity of a germplasm collection, in order to minimize the cost of conservation, while ensuring the maximization of genetic variation. We aimed to solve two main problems: (1) to select a set of individuals, from an in situ data set, that is genetically complementary to an existing germplasm collection, and (2) to define a core collection for a germplasm collection. We proposed a new multi-objective optimization (MOO) approach based on principles of systematic conservation planning (SCP) incorporating heterozygosity information; therefore, optimization takes genotypic diversity and variability patterns into account as well. As a case study, we used Dipteryx alata microsatellite loci information from two sources, an ex situ germplasm collection located at the Agronomy School of the Federal University of Goiás (UFG-AS), and an in situ data set composed of 642 sampled individual trees. We were able to identify within a population of several individuals, the exact accessions/samples that should be chosen in order to preserve the species diversity. We found that material from nine in situ individual trees are enough to complement the UFG-AS germplasm collection as it is, and that it is possible to define a core collection of 20 individual trees representing all studied genetic diversity. Moreover, we defined a method (a protocol) to deal with large amounts of accessions in the context of MOO. The proposed approach can be used to help constructing collections with maximal allelic richness and can also be extended to the in situ conservation. As far as we know, this is the first time that principles of SCP and the MOO approach are applied to the problem of complementing a germplasm collection and of finding a core collection for a germplasm collection.
FIGURE 9 in National Herbarium Plant Collecting Programme reveals new country and provincial distribution records from South African National Parks (Apocynaceae, Asteraceae & Xanthorrhoeaceae: Asphodeloideae)
FIGURE 9. Known distribution of Trachyandra asperata var. basutoensis,. New localities, ̝. Specimens housed at PRE and NBG.
FIGURE 6 in National Herbarium Plant Collecting Programme reveals new country and provincial distribution records from South African National Parks (Apocynaceae, Asteraceae & Xanthorrhoeaceae: Asphodeloideae)
FIGURE 6. Known distribution of Doellia cafra in southern Africa,. New localities, ̝. Specimens housed at PRE and NBG.
FIGURE 8 in National Herbarium Plant Collecting Programme reveals new country and provincial distribution records from South African National Parks (Apocynaceae, Asteraceae & Xanthorrhoeaceae: Asphodeloideae)
FIGURE 8. Known distribution of Bulbine ophiophylla,. New localities, ̝. Specimens housed at PRE and NBG.
FIGURE 7 in National Herbarium Plant Collecting Programme reveals new country and provincial distribution records from South African National Parks (Apocynaceae, Asteraceae & Xanthorrhoeaceae: Asphodeloideae)
FIGURE 7. Known distribution of Pulicaria scabra in southern Africa. All specimens housed at PRE and NBG.
FIGURE 4 in National Herbarium Plant Collecting Programme reveals new country and provincial distribution records from South African National Parks (Apocynaceae, Asteraceae & Xanthorrhoeaceae: Asphodeloideae)
FIGURE 4. Orthanthera jasminiflora from Bloemhof, North-West Province, South Africa (photographs by S.P. Bester). A. Inflorescence and leaves. B. Single flower with swollen base and relatively long segments. C. Trailing stems depicting the habit—individual stems up to 15 m long. All from Bester 5301 (PRE). Scale bars all 30 mm.
FIGURE 3 in National Herbarium Plant Collecting Programme reveals new country and provincial distribution records from South African National Parks (Apocynaceae, Asteraceae & Xanthorrhoeaceae: Asphodeloideae)
FIGURE 3. Orthanthera albida from the Richtersveld National Park, Northern Cape Province, South Africa (photographs by S.P. Bester). A. Plant (in foreground) in habit—transitional zone between Lower Gariep Alluvial vegetation and Richtersveld Sheet Wash Desert (Mucina & Rutherford 2006). B. Close-up of sessile inflorescence, flowers yellow to yellow-green. C. Fruit, cream background mottled maroon. All from Bester 10112 (PRE). Scale bar: A = 45 cm, B = 12 mm, C = 15 mm.
FIGURE 5 in National Herbarium Plant Collecting Programme reveals new country and provincial distribution records from South African National Parks (Apocynaceae, Asteraceae & Xanthorrhoeaceae: Asphodeloideae)
FIGURE 5. Doellia cafra (photographs by P.P.J. Herman). A. Capitula showing the outer female florets in many rows and a few central disc florets. B. Outer female floret showing the filiform corolla and exserted style. C. Cypsela showing the pappus bristles. Pulicaria scabra (photographs by P.P.J. Herman). D. Capitula showing the outer female florets in one row and many disc florets. E. Outer female floret with short but distinct corolla limb. F. Cypsela showing the outer pappus scales fused in a corona and inner pappus bristles. A–C from Koekemoer 2693 (PRE). D from Leendertz 1127 (PRE). E from Van Rooyen 2314 (PRE). F from Hafström Herb. H960 (PRE). Scale bars all 4 mm.
FIGURE 2 in National Herbarium Plant Collecting Programme reveals new country and provincial distribution records from South African National Parks (Apocynaceae, Asteraceae & Xanthorrhoeaceae: Asphodeloideae)
FIGURE 2. Known distribution of Orthanthera albida,. New localities, ̝. Specimens housed at PRE and NBG.
FIGURE 1 in National Herbarium Plant Collecting Programme reveals new country and provincial distribution records from South African National Parks (Apocynaceae, Asteraceae & Xanthorrhoeaceae: Asphodeloideae)
FIGURE 1. Number of species per quarter degree grid, for the FSA region, housed in PRE (2010). Grids with less than 200 species are generally regarded as under-collected.
Cosegmentation for Plant Phenotyping+ (CosegPP+) Data Repository Collected Via a High-Throughput Imaging System
<p>CosegPP+ is an extension of CosegPP (https://doi.org/10.5281/zenodo.5117176) with binary masks for a collection of cosegmentation and segmentation algorithms. </p> <p>We thank Vincent Stoeger for acquiring the dataset using LemnaTec at the University of Nebraska-Lincoln.</p> <p>If you use this dataset, please cite this paper:</p> <table> <tbody> <tr></tr> <tr> <td> <div>Quiñones, R., Samal, A., Das Choudhury, S., & Muñoz-Arriola, F. (2023). OSC-CO2: coattention and cosegmentation framework for plant state change with multiple features. <em>Frontiers in Plant Science</em>, <em>14</em>, 1211409.</div> </td> </tr> <tr> <td> </td> </tr> </tbody> </table> <p> </p>
Few juveniles or males were collected. Only four males from groups 7, 8, 9, and 11, all in clade D, were included in the dataset. The male in Fig. 13E–H conforms to the general morphological description of males in Lobocriconema with an undifferentiated labial region, the absence of a stylet, a degenerate pharyngeal region, a FIGURE 7. SEM images of specimens representing clades D (A–H) and B (I). NID numbers are associated with unique specimens, all are females except image C. A) Lobocriconema sp., face view with conspicuous labial disc surrounded by irregular labial structure, Nine-Mile Prairie, Nebraska, NID 4533. B) Lobocriconema sp., face view lacking submedian lobes and displaying subcuticular labial structure, Big Thicket National Preserve, Texas, NID 4560. C) Lobocriconema sp., juvenile, head with visible submedian lobes, body scales with fine terminal projections, Spring Creek Prairie, Nebraska, NID 4514. D) Lobocriconema sp., face view lacking submedian lobes and displaying subcuticular labial structure, Nine-Mile Prairie, Nebraska, NID 4527 E) Lobocriconema sp., cephalic profile with protruding stylet, Nine-Mile Prairie, Nebraska, NID 4529. F) Lobocriconema sp., head profile lacking submedian lobes, Tunica Hills, Louisiana, NID 4574. G) Lobocriconema sp., tail with closed vulva, Nine-Mile Prairie, Nebraska, NID 4533. H) Lobocriconema sp., tail with closed vulva, Nine-Mile Prairie, Nebraska, NID 4526. I) Lobocriconema sp., face view lacking submedian lobes, Great Smoky Mountains National Park, Purchase Knob, NID 4570. in Species discovery and diversity in Lobocriconema (Criconematidae: Nematoda) and related plant-parasitic nematodes from North American ecoregions
Few juveniles or males were collected. Only four males from groups 7, 8, 9, and 11, all in clade D, were included in the dataset. The male in Fig. 13E–H conforms to the general morphological description of males in Lobocriconema with an undifferentiated labial region, the absence of a stylet, a degenerate pharyngeal region, a FIGURE 7. SEM images of specimens representing clades D (A–H) and B (I). NID numbers are associated with unique specimens, all are females except image C. A) Lobocriconema sp., face view with conspicuous labial disc surrounded by irregular labial structure, Nine-Mile Prairie, Nebraska, NID 4533. B) Lobocriconema sp., face view lacking submedian lobes and displaying subcuticular labial structure, Big Thicket National Preserve, Texas, NID 4560. C) Lobocriconema sp., juvenile, head with visible submedian lobes, body scales with fine terminal projections, Spring Creek Prairie, Nebraska, NID 4514. D) Lobocriconema sp., face view lacking submedian lobes and displaying subcuticular labial structure, Nine-Mile Prairie, Nebraska, NID 4527 E) Lobocriconema sp., cephalic profile with protruding stylet, Nine-Mile Prairie, Nebraska, NID 4529. F) Lobocriconema sp., head profile lacking submedian lobes, Tunica Hills, Louisiana, NID 4574. G) Lobocriconema sp., tail with closed vulva, Nine-Mile Prairie, Nebraska, NID 4533. H) Lobocriconema sp., tail with closed vulva, Nine-Mile Prairie, Nebraska, NID 4526. I) Lobocriconema sp., face view lacking submedian lobes, Great Smoky Mountains National Park, Purchase Knob, NID 4570.
Supplementary material 1 from: Zúñiga JD, Gostel MR, Mulcahy DG, Barker K, Hill A, Sedaghatpour M, Vo SQ, Funk VA, Coddington JA (2017) Data Release: DNA barcodes of plant species collected for the Global Genome Initiative for Gardens Program, National Museum of Natural History, Smithsonian Institution. PhytoKeys 88: 119-122. https://doi.org/10.3897/phytokeys.88.14607
List of samples collected for the Global Genome Initiative for Gardens project selected for DNA barcoding, with GenBank accession numbers and genetic sample identification numbers. All the sequences are included in the GGI-Gardens BioProject. : Explanation note: List of samples collected for the Global Genome Initiative for Gardens project selected for DNA barcoding, with GenBank accession numbers and genetic sample identification numbers.
FIGURE 1. A in John Forbes (1799-1823) in the Eastern Cape, South Africa, in 1822 and 1823: his plant collections and collecting localities
FIGURE 1. A. Algoa Bay, showing in darker yellow the present urban areas. B. Gqeberha (Port Elizabeth) with the modern coastline that was transformed due to the construction of a harbour. A star indicates the place of the "landing beach" before this transformation. The grassy fynbos vegetation of the valley of the Baakens River, where John Forbes collected in 1822, extends to the dotted line (Grobler 2012). The course of the Port Elizabeth Golf Club is shown in light green and Settlers Park, which is close to the St George's Cricket Stadium, in dark green.
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Allen Brain Atlas
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OpenNeuro
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