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Articles 1 - 30 of 79
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Section Abstracts: Botany
Virginia Journal of Science
Abstracts of the Botany Section for the 87th Annual Virginia Academy of Science Meeting, May 27-29, 2009, Virginia Commonwealth University, Richmond, VA.
Epiparasitism In Phoradendron Durangense And P. Falcatum (Viscaceae), Clyde L. Calvin, Carol A. Wilson
Epiparasitism In Phoradendron Durangense And P. Falcatum (Viscaceae), Clyde L. Calvin, Carol A. Wilson
Aliso: A Journal of Systematic and Floristic Botany
Phoradendron, the largest mistletoe genus in the New World, extends from temperate North America to temperate South America. Most species are parasitic on terrestrial hosts, but a few occur only, or primarily, on other species of Phoradendron. We examined relationships among two obligate epiparasites, P. durangense and P. falcatum, and their parasitic hosts. Fruit and seed of both epiparasites were small compared to those of their parasitic hosts. Seed of epiparasites was established on parasitic-host stems, leaves, and inflorescences. Shoots developed from the plumular region or from buds on the holdfast or subjacent tissue. The developing endophytic …
Descriptive Anatomy And Evolutionary Patterns Of Anatomical Diversification In Adenia (Passifloraceae), David J. Hearn
Descriptive Anatomy And Evolutionary Patterns Of Anatomical Diversification In Adenia (Passifloraceae), David J. Hearn
Aliso: A Journal of Systematic and Floristic Botany
To understand evolutionary patterns and processes that account for anatomical diversity in relation to ecology and life form diversity, anatomy of storage roots and stems of the genus Adenia (Passifloraceae) were analyzed using an explicit phylogenetic context. Over 65,000 measurements are reported for 47 quantitative and qualitative traits from 58 species in the genus. Vestiges of lianous ancestry were apparent throughout the group, as treelets and lianous taxa alike share relatively short, often wide, vessel elements with simple, transverse perforation plates, and alternate lateral wall pitting; fibriform vessel elements, tracheids associated with vessels, and libriform fibers as additional tracheary elements; …
List Of Reviewers
Aliso: A Journal of Systematic and Floristic Botany
No abstract provided.
Non-Random Vessel Distribution In Woods: Patterns, Modes, Diversity, Correlations, Sherwin Carlquist
Non-Random Vessel Distribution In Woods: Patterns, Modes, Diversity, Correlations, Sherwin Carlquist
Aliso: A Journal of Systematic and Floristic Botany
Vessel grouping is a form of non-random distribution that becomes functionally valuable when the background consists of non-conductive imperforate tracheary elements (fiber-tracheids and libriform fibers); ungrouped vessels, randomly placed, often occur in an all-tracheid background. Types of vessel grouping are described and illustrated: diagonal, tangential, radial, median radial bands, and growth rings. Other non-random distributions considered include degrees and kinds of cable construction, patchy vessel distributions, vessel displacement related to succulence, and patterns involving successive cambia. Non-random vessel distributions inevitably involve non-random placement of imperforate tracheary elements, so that a parallel set of mechanical adaptations is often simultaneously achieved. Correlations …
Graminicolous Fungi Of Virginia: Fungi In Collections 2004-2007, Curtis W. Roane
Graminicolous Fungi Of Virginia: Fungi In Collections 2004-2007, Curtis W. Roane
Virginia Journal of Science
Fungus-grass associations recognized in Virginia from 2004 to 2007 are recorded. Many associations are new to the United States (U), eastern United States (EU) and Virginia (V); other associations extend the known distribution of those previously discovered. These reports contribute further to knowledge of the mycoflora of Virginia.
Selection Of Winter Wheat Mutant Lines Resistant To Drought Stress, Brian Kontz, Sean Franklin, Charles Brunel
Selection Of Winter Wheat Mutant Lines Resistant To Drought Stress, Brian Kontz, Sean Franklin, Charles Brunel
The Journal of Undergraduate Research
Mutated winter wheat lines were screened for improved drought resistance compared to the wildtype by withholding water for 3 weeks after 9 weeks of normal growth, and noting their responses upon re-watering. Of the 146 mutants grown, 73% were either killed due to water stress or showed poor recovery, while 27% recovered better than the wildtype line. This experiment enabled the selection of candidates for further investigation to better understand the genetic basis of drought tolerance in winter wheat.
Instructions For Authors, Discovery Editors
Instructions For Authors, Discovery Editors
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
No abstract provided.
Analysis Of The Accase Mutation Profile Of Italian Ryegrass (Lolium Perenne Ssp. Multiflorum) Accessions Resistant To Accase Inhibitors, Thomas Stark
Inquiry: The University of Arkansas Undergraduate Research Journal
Lolium perenne ssp. multiflorum (Italian ryegrass) resistant to ACCase inhibiting herbicides has been reported in many wheat producing counties across Arkansas. Resistance is believed to be the result of point mutations creating amino acid substitutions in the CT domain of the plastidic ACCase gene. This study explores the occurrence of mutations in the ACCase gene of ryegrass populations. Plant material was collected and DNA was extracted from 10 Arkansas ryegrass populations. Six of the populations were known to be resistant to the ACCase inhibitor diclofop-methyl, while the remaining four populations were known to be susceptible to diclofop-methyl. Two highly conserved …
Effects Of Stratification, Warm Treatment, And Mechanical And Acid Scarification On The Emergence Of Yellow-Flowered Alfalfa (Medicago Sativa Subsp. Falcata) Seeds, Diane Narem
The Journal of Undergraduate Research
Yellow-flowered alfalfa (YFA) has great potential to improve rangelands in the Northern Plains. Greater than 99% of YFA seeds from soil were viable but less than 4% germinated under standard laboratory conditions. The objective was to determine if low germination was due to physical or physiological seed dormancy. The experiment utilized a random complete block design with two trials, eight replications per trial. Each replication consisted of ten treatments plus a control, four stratification treatments consisting of a combination of two temperatures (-5°C, -20°C) and two durations (48 hr, 72 hr), one warm treatment (4 min, 60°C), four sandpaper scarification …
Congruence Of Rapd And Issr Markers For Evaluation Of Genomic Relationship Among 28 Populations Of Podophyllum Hexandrum Royle From Himachal Pradesh, India, Md. Afroz Alam, Pradeep Kumar Naik, Gyan Prakash Mishra
Congruence Of Rapd And Issr Markers For Evaluation Of Genomic Relationship Among 28 Populations Of Podophyllum Hexandrum Royle From Himachal Pradesh, India, Md. Afroz Alam, Pradeep Kumar Naik, Gyan Prakash Mishra
Turkish Journal of Botany
Twenty eight populations of Podophyllum hexandrum Royle were selected to study genetic relationship using RAPD and ISSR markers from north-western Himalayas, Himachal Pradesh, India. Nineteen RAPD primers and 11 ISSR primers amplified a total of 131 and 68 scorable bands, of which 92.37% and 83.82%, respectively, were polymorphic. The mean coefficient of gene differentiation (Gst) was 0.6933 and 0.6296, indicating that Nei´s gene diversity of 33.77% and 29.44% reside in all the populations. Estimated value of gene flow for RAPD (Nm = 0.11059), for ISSR (Nm = 0.1470) individually, and the combination of RAPD+ISSR (Nm = 0.1211) markers indicated that …
History Of Development And Characterization Of The U.S. Blackberry Market, Thais F. Carvalho, John R. Clark, Michael R. Thomsen
History Of Development And Characterization Of The U.S. Blackberry Market, Thais F. Carvalho, John R. Clark, Michael R. Thomsen
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
The fresh blackberry market within the United States has expanded significantly in the past 10 years based on the development of new cultivars with improved firmness and longer shelf life, permitting their shipment over long distances. Currently, blackberries maintain a nearly continuous presence on the shelves of grocery stores across the U.S., which was uncommon a decade ago. Increased consumption of blackberries is due to increased consumer desire for improved nutrition and diet along with expanded availability. Worldwide, producers have increased production with a 45% increase in area planted from 1995 to 2005. Further expansion has occurred since then. This …
Macrofungi Of Huzurlu High Plateau (Gaziantep-Turkey), Abdullah Kaya
Macrofungi Of Huzurlu High Plateau (Gaziantep-Turkey), Abdullah Kaya
Turkish Journal of Botany
Macrofungi samples were collected from Huzurlu high plateau and its surroundings between 2002 and 2005. As a result of macroscopic and microscopic investigations 105 taxa belonging to 67 genera and 33 families were recorded in Ascomycetes and Basidiomycetes classes. Six of them, Phaeohelotium umbilicatum (Le Gal) Dennis, Lepiota jacobi Vellinga & Knudsen, Leucoagaricus erioderma (Malençon) Bon, Leucoagaricus serenus (Fr.) Bon & Boiffard, Cortinarius turgidus Fr., and Cotylidia diaphana (Schwein.) Lentz, are new records for the macromycota of Turkey.
Lichens And Lichenicolous Fungi Of Kızıldağ (Derebucak, Konya), Mustafa Kocakaya, Mehmet Gökhan Halici, Ahmet Aksoy
Lichens And Lichenicolous Fungi Of Kızıldağ (Derebucak, Konya), Mustafa Kocakaya, Mehmet Gökhan Halici, Ahmet Aksoy
Turkish Journal of Botany
Herein 152 taxa of lichens and lichenicolous fungi belonging to 68 genera are reported from Kızıldağ (Derebucak district, Konya province). Of these, 149 taxa are reported from the study area for the first time and 96 taxa are new for Konya province. Lecanora perpruinosa Fröberg and Toninia submexicana de Lesd. are new records for Turkey and Asia.
Southwest Research-Extension Center, Field Day 2009
Southwest Research-Extension Center, Field Day 2009
Kansas Agricultural Experiment Station Research Reports
Report of agricultural research from Southwest Research-Extension Center of Kansas State University.
Floral Biology Of Aconitum Heterophyllum Wall.: A Critically Endangered Alpine Medicinal Plant Of Himalaya, India, Bhagwati P. Nautiyal, Mohan C. Nautiyal, Vinod P. Khanduri, Neelum Rawat
Floral Biology Of Aconitum Heterophyllum Wall.: A Critically Endangered Alpine Medicinal Plant Of Himalaya, India, Bhagwati P. Nautiyal, Mohan C. Nautiyal, Vinod P. Khanduri, Neelum Rawat
Turkish Journal of Botany
Aconitum heterophyllum Wall. is a critically endangered wild medicinal herb of alpine Himalaya and cultivation is recommended owing to its large demand in the herbal market and to ensure the conservation of wild habitats. Therefore, observations on floral biology, pollen germination, pollination, and fruit and seed setting after implying different breeding systems were carried out for its successful domestication and improvement in cultivation practices. The study reveals that the plants grown in hothouse conditions showed considerable variation in the production of flowers and seeds. Flowering occurs from the second week of September to late October, with 20 days of peak …
Some New Records Of Inocybe (Fr.) Fr. From Turkey, Mehmet Hali̇l Solak, Hakan Alli, Mustafa Işiloğlu, Erbi̇l Kalmiş
Some New Records Of Inocybe (Fr.) Fr. From Turkey, Mehmet Hali̇l Solak, Hakan Alli, Mustafa Işiloğlu, Erbi̇l Kalmiş
Turkish Journal of Botany
Some new records of Inocybe (Fr.) Fr. based on samples collected from Osmaniye, Kilis, and Isparta provinces are presented. Inocybe flocculosa var. crocifolia (Herink) Kuyper, I. ochroalba Bruyl., I. pallida Velen., I. splendens var. splendens R. Heim, I. substellata Kühner, and I. vaccina Kühner were determined to be new records from Turkey.
Discovery: The Student Journal Of Dale Bumpers College Of Agricultural, Food And Life Sciences - Volume 10 2009, Several Authors
Discovery: The Student Journal Of Dale Bumpers College Of Agricultural, Food And Life Sciences - Volume 10 2009, Several Authors
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
No abstract provided.
Contents, Discovery Editors
Contents, Discovery Editors
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
No abstract provided.
Letter From The Dean, Lalit Verma
Letter From The Dean, Lalit Verma
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
No abstract provided.
Establishing A Rapid And Effective Method For Screening Salt Tolerance In Soybean, Mioko Tamura, Pengyin Chen
Establishing A Rapid And Effective Method For Screening Salt Tolerance In Soybean, Mioko Tamura, Pengyin Chen
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
Chlorine (Cl) toxicity has been recognized as a constraint for soybean production. Although the use of a Cl-tolerant crop easily solves the problem, current screening methodologies for Cl tolerance are often ineffective because of inadequate means of detecting and measuring plant response to salinity. In order to facilitate the evaluation process and selection of Cl-tolerant genotypes, a study was conducted to develop a rapid and effective method for screening Cl tolerance in soybean. Seeds of five soybean cultivars, each representing either the includer or excluder genotype to salt stress, were grown in a greenhouse in two different growing media (potting …
Processing And Storage Effects On The Polyphenolic Content And Antioxidant Capacity Of Conventional And Sugar-Free Blueberry Jams, Chelsea Castrodale, Luke Howard, Cindi Brownmiller
Processing And Storage Effects On The Polyphenolic Content And Antioxidant Capacity Of Conventional And Sugar-Free Blueberry Jams, Chelsea Castrodale, Luke Howard, Cindi Brownmiller
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
Fresh blueberries have received much attention due to their positive role in human health and disease prevention. The abundance of polyphenolics, namely anthocyanins and procyanidins, is thought to play an important role in health promotion. Due to seasonal availability and limited shelf-life, blueberries are commonly preserved and consumed in various thermally processed forms (jams, juices, canned whole fruit, and purées). Both conventional high sugar and sugar-free blueberry jams are available on the market, but no information is available on how different formulations, processing conditions, and storage of processed jams affect the retention of polyphenolics and antioxidant capacity found in fresh …
Developing Enterprise Budgets For Sustainable School Gardens: Service Learning In A Global Context, Ashley D. Jones, Jennie S. Popp
Developing Enterprise Budgets For Sustainable School Gardens: Service Learning In A Global Context, Ashley D. Jones, Jennie S. Popp
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
Service learning programs are becoming a part of curricula in universities throughout the United States. The University of Arkansas, Fayetteville, (UAF) established a service learning program that targeted the educational, health, social, and agricultural needs of a community. The focus of this research aimed to provide students, faculty, community members, school officials, and students with a template for crop budgets. These crop budgets are used to evaluate the costs and returns of producing multiple crops at a school. Crops produced in a sustainable garden must meet three criteria: 1) have minimal negative environmental impact, 2) provide just-in-time production of quality …
Characterizing The Variability Of Physical And Chemical Properties Across The Soil Individuals Mapped As Amy Silt Loam Soils In Southeastern Arkansas, B. Bhandari, Robert L. Ficklin
Characterizing The Variability Of Physical And Chemical Properties Across The Soil Individuals Mapped As Amy Silt Loam Soils In Southeastern Arkansas, B. Bhandari, Robert L. Ficklin
Journal of the Arkansas Academy of Science
Knowledge of physical and chemical properties of soil is relevant for landowners, researchers, and foresters, so that appropriate crop species and management practices to maximize site productivity can be selected. In addition to issues of plant productivity, the need for assessing soil properties has been expanded due to public interest in determining the consequences of management practices on soil quality relative to sustainability of crop ecosystem functions. The USDA-Natural Resources Conservation Service (NRCS) delineated soil mapping units to provide information about physical and chemical properties of soil in each soil series. However, soil mapping units do not provide details about …
Pollen And Seed Morphology Of The Genus Hesperis L. (Brassicaceae) In Turkey, Münevver Pinar, Ahmet Duran, Tali̇p Çeter, G. Ni̇lhan Tuğ
Pollen And Seed Morphology Of The Genus Hesperis L. (Brassicaceae) In Turkey, Münevver Pinar, Ahmet Duran, Tali̇p Çeter, G. Ni̇lhan Tuğ
Turkish Journal of Botany
Pollen and seed morphology were examined in 35 specimens representing 25 Turkish species of the taxonomically complex genus Hesperis L. by light and scanning electron microscopes. Three main types and 2 subtypes were recognized based on the seed coat surface, pollen shape, and exine sculpturing. The seed coat ornamentation of Type I was ocellate, and pollen shape was oblate-spheroidal. While Type II was represented by reticulate seed coat and prolate-spheroidal pollen shape, Type III had tuberculate seed coat. This study revealed that both palynological and seed morphological characters are of significant importance in the taxonomy of the genus.
The Rediscovery Of Some Taxa Thought To Have Been Extinct In Turkey, Ali̇ Kandemi̇r
The Rediscovery Of Some Taxa Thought To Have Been Extinct In Turkey, Ali̇ Kandemi̇r
Turkish Journal of Botany
This paper reports the re-discovery of Barbarea auriculata Hausskn. ex Bornm. var. auriculata (Brassicaceae), Onobrychis nitida Boiss. (Fabaceae), Onosma discedens Hausskn. ex Bornm. (Boraginaceae), and Silene oligotricha Hub.-Mor. (Caryophyllaceae). All of these taxa had been listed as Extinct (EX), according to the World Conservation Union Red List Categories. This study provides the re-descriptions of these taxa, presents field observations of these taxa, and suggests new IUCN categories.
Conservation Biology Of Asperula Daphneola (Rubiaceae) In Western Turkey, Sali̇h Gücel, Özcan Seçmen
Conservation Biology Of Asperula Daphneola (Rubiaceae) In Western Turkey, Sali̇h Gücel, Özcan Seçmen
Turkish Journal of Botany
A. daphneola O.Schwarz (Rubiaceae) was originally recorded from a single location on Nif Mountain (Kemalpaşa) in western Turkey. This study was carried out from 2001 to 2004 to investigate the causes of this endemic species^{'} restricted distribution. To that end, the environmental conditions and reproductive biology of the species were studied. As a result of field investigations, 4 additional locations were identified. These 5 localities (the peak of Nif Mountain, Alaca Mountain, Ayrıca Mountain, Bölme Hill, and another locality west of Nif Mountain) encompass an area of 2.5 km^2. The total number of individuals in these localities was estimated to …
In Vitro And In Vivo Germination Of Cyclamen Alpinum Seeds, Betül Bürün, Oral Şahi̇n
In Vitro And In Vivo Germination Of Cyclamen Alpinum Seeds, Betül Bürün, Oral Şahi̇n
Turkish Journal of Botany
Cyclamen trochopteranthum O.Schwarz has a confusing history, having been identified in the last part of the 19^{th} century and described as Cyclamen alpinum Sprenger. It remained known as C. alpinum until 1975, when it was described as C. trochopteranthum by Otto Schwarz. Cyclamen trochopteranthum is a species distributed in the south-western part of Turkey, but the C. trochopteranthum described in 1975 is today describe again as Cyclamen alpinum. The seeds of this species were collected from red pine forests in the Gökbel-Dalyan area on May 3-7 and stored with and without capsules in incubators at 20 °C. Among the seeds …