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Articles 1 - 30 of 88
Full-Text Articles in Life Sciences
Herbarium Records Reveal Earlier Bloom Times In Three Southern Appalachian Plant Species, Melanie Flood, Mark Davis, Ashlee Mccaskill
Herbarium Records Reveal Earlier Bloom Times In Three Southern Appalachian Plant Species, Melanie Flood, Mark Davis, Ashlee Mccaskill
Georgia Journal of Science
Plant phenology, especially the onset of flowering in angiosperms, is a useful tool for studying the effects of climate change on native flora because it is influenced by temperatures. Numerous studies in different biomes have provided evidence of earlier bloom times in response to increasing temperatures. We examined herbarium specimen data to determine whether three spring-blooming species (Sanguinaria canadensis, Iris cristata, and Trillium rugelii) at the southern terminus of the Appalachians exhibit a similar change in onset of flowering over several decades. All three species exhibited significantly earlier flower onset during the past 120 years, a …
Oaks (Family: Fagaceae) Diversity From Moist Temperate Forests Of Lesser Himalayas, Pakistan, Sher Wali, Kishwar Sultana, Fida Muhammad Khan
Oaks (Family: Fagaceae) Diversity From Moist Temperate Forests Of Lesser Himalayas, Pakistan, Sher Wali, Kishwar Sultana, Fida Muhammad Khan
Journal of Bioresource Management
A detailed survey was conducted in five national parks and game reserves of Azad Jammu and Kashmir, Pakistan to assess the biodiversity of family Fagaceae. Identification of the species was done using literary sources and comparison of samples with herbaria from Quaid-i-Azam University, Islamabad and Pakistan Museum of Natural History, Islamabad, Pakistan. A total of eight different species belonging to two genera were identified, including Quercus spp., Castanea sativa, Quercus glauca, Quercus baloot, Quercus incana, Quercus velutina, Quercus alba and Quercus dilatata. The greatest biodiversity was found in Banjosa Game Reserve (BGR) and Tolipir National Park (TNP), while Pir …
The Effect Of Two Planting Dates And Methods On Snap Bean (Phaseolus Vulgaris) Production In A Tunnel House, Edward Sparks, Victor Khan, Ramble Ankumah, James E. Currington, Nathaniel Ellison, George X. Hunter Jr., Jeffery Moore
The Effect Of Two Planting Dates And Methods On Snap Bean (Phaseolus Vulgaris) Production In A Tunnel House, Edward Sparks, Victor Khan, Ramble Ankumah, James E. Currington, Nathaniel Ellison, George X. Hunter Jr., Jeffery Moore
Professional Agricultural Workers Journal
The study was conducted to evaluate the impact of two planting dates and methods on snap bean yields in a tunnel house. The main plots included planting dates March 17 and 31, 2016 for first and second plantings. The sub-plots consisted of planting Method 1 where one seed per hill was planted every 4” apart, and planting Method 2 where three seeds per hill were planted every 12” apart; each treatment combination was replicated four times. The results of the study showed that it took 55 days for the snap beans to be ready for harvest for both planting dates. …
The Effect Of Simulated Herbivory On Pea Plants (Pisum Sativum) Under Water Stress, Georgia Harrison
The Effect Of Simulated Herbivory On Pea Plants (Pisum Sativum) Under Water Stress, Georgia Harrison
Conspectus Borealis
No abstract provided.
Distribution Of A. Modesta, A. Julibrissin And M. Himalayana Gamble In Pir Lasura National Park, Sher Wali Khan, Nafeesa Qudsia Hanif, Madeeha Manzoor
Distribution Of A. Modesta, A. Julibrissin And M. Himalayana Gamble In Pir Lasura National Park, Sher Wali Khan, Nafeesa Qudsia Hanif, Madeeha Manzoor
Journal of Bioresource Management
Pir Lasura National Park (PLNP) in Azad Jammu and Kashmir, Pakistan is located in the Kotli Forest division and spans across an area of 13,900 acres. The list obtained through this study included 46 tree species of angiosperms, out of which only 3 species belong to the family Mimosaceae; A. modesta, A. julibrissin and M. himalayana gamble. A. modesta had 1.6 % constancy and belonged to class Ⅰ, A. julibrissin had 3.3% relative cover and belonged to class Ⅰ, whereas the relative vegetative cover of Mimosa himalayana gamble was too less to be tabulated. All the three species of the …
Distribution Of Gymnosperms In Pir Lasura National Park, Kishwar Sultana, Afsar Mian, Asad Ghufran, Sabiha Shamim
Distribution Of Gymnosperms In Pir Lasura National Park, Kishwar Sultana, Afsar Mian, Asad Ghufran, Sabiha Shamim
Journal of Bioresource Management
Survey carried out in June-July 2009 recorded a minimum of 159 plant species with 48 species of trees. Out of these only two species are of gymnosperms; Pinus roxburghii and Pinus wallichiana. One species of trees, Pinus roxburghii is widely distributed. It is present in all communities, and can be found in different combinations with different other species. Both of these species have ethnobotanical value and are used by local population for different purposes.
“Primitive” Wood Characters Are Adaptive: Examples From Paracryphiaceae, Sherwin Carlquist
“Primitive” Wood Characters Are Adaptive: Examples From Paracryphiaceae, Sherwin Carlquist
Aliso: A Journal of Systematic and Floristic Botany
Why plants rich in plesiomorphic (“primitive”) features are alive today is a question that receives little comment. Apomorphies in angiosperms are often interpreted as valuable adaptations. However, both apomorphies and plesiomorphies can be keyed to ecological and physiological features. If a particular habitat remains little modified for long periods of geological time, plesiomorphic features should theoretically persist. The Bailey-Frost-Kribs correlations (usually between tracheary element length and character states in other wood features), deemed useful in their day, did not include adaptation to ecology, nor did they have the advantages that molecular-based phylogenies bring to us today. Montane cloud forests or …
New Additions To The Flora Of San Nicolas Island, Ventura County, California, Benjamin E. Carter, William F. Hoyer Iii, Jonathan Dunn, C. Matt Guilliams
New Additions To The Flora Of San Nicolas Island, Ventura County, California, Benjamin E. Carter, William F. Hoyer Iii, Jonathan Dunn, C. Matt Guilliams
Aliso: A Journal of Systematic and Floristic Botany
Ongoing collecting efforts on San Nicolas Island have substantially increased the number of plant species documented from the island. Here we report thirty-one plants previously unrecorded from the island. The list includes six eudicots, one monocot, four liverworts and twenty mosses. Five of these species are understood to be introduced on San Nicolas and the remainder are believed to be native. The native vascular plants are Logfia filaginoides, Cistanthe maritima and Muhlenbergia microsperma. Of the twenty-four new bryophytes, one—Asterella bolanderi—is the first record from the Channel Islands. Specific ecological and locality information are provided for the …
Contents 36(2)
Aliso: A Journal of Systematic and Floristic Botany
No abstract provided.
Vascular Flora Of The Upper Rock Creek Watershed, Eastern Sierra Nevada, California, Joy D. England
Vascular Flora Of The Upper Rock Creek Watershed, Eastern Sierra Nevada, California, Joy D. England
Aliso: A Journal of Systematic and Floristic Botany
The upper Rock Creek watershed is located on the east slope of the Sierra Nevada in Inyo and Mono counties. It is ca. 36.5 square miles (94.5 square km) in area and varies in elevation from 7360 to 13,750 ft (2243 to 4191 m). Quaternary glacial erosion and deposition produced striking landscape features, including alpine fell fields and numerous small lakes. Previous floristic inventories in Rock Creek recorded a combined 396 minimum-rank taxa (species, subspecies, varieties, named hybrids) but were restricted to Little Lakes Valley and the surrounding high areas. An updated, annotated checklist of vascular plants is presented, based …
Reviewers Of Manuscripts, Volume 36
Reviewers Of Manuscripts, Volume 36
Aliso: A Journal of Systematic and Floristic Botany
No abstract provided.
Index To Volume 36
Aliso: A Journal of Systematic and Floristic Botany
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.
New Species, New Combinations And New Synonymies Towards A Treatment Of Acanthaceae For The Manual De Plantas De Costa Rica, Lucinda A. Mcdade, Barry E. Hammel, Carrie A. Kiel
New Species, New Combinations And New Synonymies Towards A Treatment Of Acanthaceae For The Manual De Plantas De Costa Rica, Lucinda A. Mcdade, Barry E. Hammel, Carrie A. Kiel
Aliso: A Journal of Systematic and Floristic Botany
In preparation for the publication of the Manual de Plantas de Costa Rica, new species, names, combinations, and synonymies are provided in six genera of Acanthaceae: Anisacanthus, Chamaeranthemum, Dicliptera, Justicia, Ruellia and Stenostephanus. The new species are A. grace-woodiae, J. altior, J. lithophila and S. chavesii. A new name at the species level, R. leonardiana, is provided for R. tubiflora var. hirsuta. With Habracanthus, Hansteinia, Kalbreyeriella and Razisea being subsumed within Stenostephanus, the new combinations S. blepharorhachis, S. citrinus, S. leiorhachis (= Razisea spicata …
Letter From The Dean, Deacue Fields
Letter From The Dean, Deacue Fields
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
No abstract provided.
Determination Of Soil Nutrient Status In Vuralia Turcica Populations Growing At Different Locations In The Central Anatolia Region Of Turkey, Di̇lek Tekdal, Burçi̇n Çingay, Mehmet Seli̇m Çeti̇ner
Determination Of Soil Nutrient Status In Vuralia Turcica Populations Growing At Different Locations In The Central Anatolia Region Of Turkey, Di̇lek Tekdal, Burçi̇n Çingay, Mehmet Seli̇m Çeti̇ner
Turkish Journal of Botany
This study is an overview of the importance of soil nutrients for the maintenance of Vuralia turcica, which is an endemic in Turkey due to its natural habitats. Electrical conductivity, pH, and mineral element content (macroelements: nitrogen, phosphorus, potassium, calcium, magnesium, and sodium, and microelements: boron, cadmium, copper, iron, manganese, nickel, lead, and zinc) were analyzed in 21 soil samples taken at 30?60 m depth at 21 points from 8 different locations where V. turcica was growing to determine nutrient content, which is important for soil fertility and controls the crop yield. According to pH analysis, all samples were strongly …
Resolving The Position Of Astragalus Borysthenicus Klokov Within The Astragalus L. Species, Nataliia Karpenko, Viktoriia Martyniuk, Oksana Tyshchenko, Andrii Tarieiev, Ayten Tekpinar, Vitaliia Didenko, Igor Kostikov
Resolving The Position Of Astragalus Borysthenicus Klokov Within The Astragalus L. Species, Nataliia Karpenko, Viktoriia Martyniuk, Oksana Tyshchenko, Andrii Tarieiev, Ayten Tekpinar, Vitaliia Didenko, Igor Kostikov
Turkish Journal of Botany
The present study is focused on several species from the genus Astragalus L. with the aim to clarify the taxonomic status of Ukrainian local endemic species Astragalus borysthenicus Klokov, which is sometimes considered a synonym to A. onobrychis L. In this study, the morphological features, current taxonomy, taxonomical history, and phylogenetic analysis based on rDNA Bayesian inference, as well as comparative analysis of ITS1 and ITS2 secondary structures, were investigated. It was found that A. borysthenicus is distant from A. onobrychis according to phylogenetic analysis. Moreover, A. borysthenicus has differences from the investigated taxa in its secondary structures of ITS1 …
Genetic Diversity And Phylogenetic Relationships Of A Potential Cotton Collection For European Breeding Research, Elena Peláez Andérica, Felipe Rey Montero, Manuel López García, Juan Gil Ligero
Genetic Diversity And Phylogenetic Relationships Of A Potential Cotton Collection For European Breeding Research, Elena Peláez Andérica, Felipe Rey Montero, Manuel López García, Juan Gil Ligero
Turkish Journal of Botany
An understanding of the genetic diversity of any plant collection is essential for initiating future plant breeding strategies. Throughout the cotton regions in Europe (mainly Greece and Spain), there is an expanding need for new yielding varieties with shorter crop cycles and high quality fiber. Although cotton is decisive to many rural economies, it is surprising that there is a lack of public information available regarding genetic diversity of European cotton varieties. Thus, we began an examination of variability heritage by evaluating a subset of 48 commercial and experimental cotton varieties (36 Gossypium hirsutum, 10 G. barbadense, 1 G. arboreum, …
Effects Of Exogenous Salicylic Acid And Sodium Nitroprusside On α-Tocopherol And Phytochelatin Biosynthesis In Zinc-Stressed Safflower Plants, Shahram Namdjoyan, Hossein Kermanian, Ali Abolhasani Soorki, Sedigheh Modarres Tabatabaei, Nazli Elyasi
Effects Of Exogenous Salicylic Acid And Sodium Nitroprusside On α-Tocopherol And Phytochelatin Biosynthesis In Zinc-Stressed Safflower Plants, Shahram Namdjoyan, Hossein Kermanian, Ali Abolhasani Soorki, Sedigheh Modarres Tabatabaei, Nazli Elyasi
Turkish Journal of Botany
The interactive effect of exogenous application of salicylic acid (SA) and sodium nitroprusside (SNP), a donor of nitric oxide, on zinc (Zn) toxicity was assessed in Zn-stressed safflower (Carthamus tinctorius L.) seedlings. Exposure to 500 μM ZnSO4.7H2O for 10 days caused an increment in the levels of malondialdehyde (MDA), H2O2, α-tocopherol, phytochelatins (PCs), and proline. Application of SA or SNP, and especially their combination, resulted in remarkable decrease in MDA, H2O2, and proline content while chlorophyll content and the activity of catalase, ascorbate peroxidase, and guaiacol peroxidase exhibited a significant induction in comparison with plants subjected to Zn treatment alone. …
Discovery: The Student Journal Of Dale Bumpers College Of Agricultural, Food And Life Sciences - Volume 19 2018, Several Authors
Discovery: The Student Journal Of Dale Bumpers College Of Agricultural, Food And Life Sciences - Volume 19 2018, Several Authors
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
No abstract provided.
New For Discovery: Scholarworks@Uark, Discovery Editors
New For Discovery: Scholarworks@Uark, Discovery Editors
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
No abstract provided.
A Message From The Department Head Of Horticulture And Food Science, Wayne Mackey
A Message From The Department Head Of Horticulture And Food Science, Wayne Mackey
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
No abstract provided.
Winter Surveys Of Cotinus Obovatus (American Smoketree) In The Ozark Mountains, Gary R. Graves
Winter Surveys Of Cotinus Obovatus (American Smoketree) In The Ozark Mountains, Gary R. Graves
Journal of the Arkansas Academy of Science
Cotinus obovatus (American smoketree) is a rare deciduous tree with a relictual distribution in southeastern North America. Efforts to map its fine-scale geographic distribution in the Ozark Mountains have been limited to the growing season when the distinctive blooming panicles and foliage facilitate detection in hardwood-cedar woodlands. I describe the physiognomic traits of leafless C. obovatus that permit effective population mapping in winter landscapes. Clumped growth and diagonally leaning stems facilitate detection at a distance. Bark texture, twig morphology, and sap odor confirm the identity of the tree at close range.
New Contributions To The Turkish Ascomycota, Abdullah Kaya, Yasi̇n Uzun
New Contributions To The Turkish Ascomycota, Abdullah Kaya, Yasi̇n Uzun
Turkish Journal of Botany
Nine discomycete and one sordariomycete (Ascomycota) species are reported for the first time from Turkey. The genera Coccomyces, Kompsoscypha, Pseudopithyella, Strobiloscypha, and Lasiosphaeris have not been reported before in the country. Anthracobia, Plicaria, Sclerotinia, and Pithya species are new records added to the previous knowledge. Macro- and micromorphological descriptions and illustrations for each new taxon are provided.
A Comparison Of Logistic Regression And Maximum Entropy For Distribution Modeling Of Range Plant Species (A Case Study In Rangelands Of Western Taftan, Southeastern Iran), Hossein Piri Sahragard, Majid Ajorlo
A Comparison Of Logistic Regression And Maximum Entropy For Distribution Modeling Of Range Plant Species (A Case Study In Rangelands Of Western Taftan, Southeastern Iran), Hossein Piri Sahragard, Majid Ajorlo
Turkish Journal of Botany
This study aimed to compare the efficiency of logistic regression and maximum entropy models for distribution modelling of plant species habitats in the rangelands of western Taftan, southeastern Iran. Vegetation cover was sampled using a systematic-randomized method. Soils were sampled at 0?30 and 30?60 cm depths through digging of eight soil profiles. The agreement between predictive maps generated by models with documented maps of habitats indicated that logistic regression was able to predict the distribution of Artemisia aucheri and Artemisia sieberi habitats at excellent (kappa value = 0.95) and weak (kappa value = 0.39) levels, respectively. On the other hand, …
New Additions To The Turkish Pezizales, Yasi̇n Uzun, Semi̇ha Yakar, İbrahi̇m Hali̇l Karacan, Abdullah Kaya
New Additions To The Turkish Pezizales, Yasi̇n Uzun, Semi̇ha Yakar, İbrahi̇m Hali̇l Karacan, Abdullah Kaya
Turkish Journal of Botany
Twelve members of the order Pezizales are recorded for the first time from Turkey: Ascobolus carbonarius P.Karst.; A. crenulatus P.Karst.; A. foliicola Berk. & Broome; A. immersus Pers.; Saccobolus glaber (Pers.) Lambotte; Thecotheus holmskioldii (E.C.Hansen) Eckblad (Ascobolaceae Boud. ex Sacc.); Lasiobolus cuniculi Velen. (Ascodesmidaceae J.Schröt.); Barssia hellenica Kaounas, Agnello, P.Alvarado & Slavova (Helvellaceae Fr.); Marcelleina atroviolacea Brumm.; M. rickii (Rehm) Graddon (Pezizaceae Dumort.); Cheilymenia pulcherrima (P.Crouan & H.Crouan) Boud.; and Sepultariella semi-immersa (P.Karst.) Van Vooren, U.Lindem. & Healy (Pyronemataceae Corda). Three of them, S. glaber (Pers.) Lambotte; B. hellenica Kaounas, Agnello, P.Alvarado & Slavova; and S. semi-immersa (P.Karst.) Svrcek, are …
Chrysanthemum Plants Regenerated From Ovaries: A Study On Genetic And Phenotypicvariation, Natalia Miler, Iwona Jedrzejczyk
Chrysanthemum Plants Regenerated From Ovaries: A Study On Genetic And Phenotypicvariation, Natalia Miler, Iwona Jedrzejczyk
Turkish Journal of Botany
Chrysanthemum (Chrysanthemum × grandiflorum /Ramat./Kitam.) is the second most popular ornamental plant in the global flower industry, and there is still a demand for novelty, which forces breeders to search for new sources of variation. The aim of the present study was the evaluation of phenotypic as well as genetic variation of chrysanthemum plants regenerated from ovaries in vitro. In the first vegetative season of plants evaluated in the glasshouse, nine phenotypic variants (16.36%) and 46 (83.6%) true-totype plants were observed. The variation included variegated, marble-like, and lighter-green leaves, and changes in the morphology of inflorescences and ligulate florets, as …
Characteristic Of Glutamate Cysteine Ligase Gene And Its Response To The Salinity And Temperature Stress In Chlamydomonas Sp. Ice-L From Antarctica, Yueyue Peng, Yu Ding, Xiaochen Tang, Jichang Jian, Jinhui Wang, Quanfu Wang
Characteristic Of Glutamate Cysteine Ligase Gene And Its Response To The Salinity And Temperature Stress In Chlamydomonas Sp. Ice-L From Antarctica, Yueyue Peng, Yu Ding, Xiaochen Tang, Jichang Jian, Jinhui Wang, Quanfu Wang
Turkish Journal of Botany
Chlamydomonas sp. ICE-L, an Antarctic ice alga, has high tolerance ability to freezing and salinity. Glutathione (GSH) is an important small antioxidative molecule in the growth and stress responses of plants including algae. We cloned a full-length cDNA encoding glutamate cysteine ligase (ICE-LGCL), the key enzyme of GSH synthesis, from Chlamydomonas sp. ICE-L by RT-PCR and rapid amplification of cDNA ends technique (RACE). The cDNA has 2199 bp nucleotides with an open reading frame (ORF) of 1452 bp encoding a polypeptide of 453 amino acids. BLASTP algorithm results showed that ICE-LGCL shared 51%-70% amino acid sequence identity with the reported …
Seed Morphology Of The Genus Astragalus L. From North Asia, Tatiana Shemetova, Andrey Erst, Wei Wang, Kunli Xiang, Cem Vural, Zeki̇ Aytaç
Seed Morphology Of The Genus Astragalus L. From North Asia, Tatiana Shemetova, Andrey Erst, Wei Wang, Kunli Xiang, Cem Vural, Zeki̇ Aytaç
Turkish Journal of Botany
Astragalus is one of the largest genera of angiosperms and a characteristic component of the steppes and mountains of North Asia. Here, we used scanning electron microscopy to investigate the seed morphology of 56 species of the genus from North Asia. In Astragalus , seed color varies from yellow-green, greenish brown, reddish brown to grayish brown. Seed shapes include reniform- globose, rombiform, and oblong-elliptical. Seed sizes vary from 1.25 x 0.88 mm to 4.94 x 3.29 mm. Anticlinal walls are straight, undulate, or slightly thickened, and the periclinal walls are aveolate, stellate, pectinate, or rugose. We recognized two main types …
Comparison Of The Genome Size, Endoreduplication, And Issr Marker Polymorphism In Eight Lotus (Fabaceae) Species, Erik Ducar, Monika Rewers, Iwona Jedrzejczyk, Pavol Martonfi, Elwira Sliwinska
Comparison Of The Genome Size, Endoreduplication, And Issr Marker Polymorphism In Eight Lotus (Fabaceae) Species, Erik Ducar, Monika Rewers, Iwona Jedrzejczyk, Pavol Martonfi, Elwira Sliwinska
Turkish Journal of Botany
Several species within the genus Lotus are important forage crops, and many are endangered or rare. Despite the high genetic diversity of the genus, identification of Lotus species is problematic because of the limited number of reliable morphological markers. In search of a quick, inexpensive, and steady method for species identification, genome size and cell cycle/endoreduplication intensity of 14 accessions belonging to eight Lotus species were estimated by flow cytometry. ISSR-PCR was also applied to find sensitive molecular markers for genetic diversity estimation. Genome size estimation revealed that Lotus species possess very small genomes and this characteristic enables the identification …