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Articles 61 - 90 of 10714
Full-Text Articles in Life Sciences
Liparis Condylobulbon Reichb. F. From Gumitir, Indonesia: Morphology, Molecular, And Phytochemical Profile, Fuad Bahrul Ulum, Asyifa Yasmin Arum, Kurnia Sa’Adah, Dwi Setyati, Edia Fitria Dwinianti, Ranjithkumar Rajamani, Ari Satia Nugraha, Mukhamad Su’Udi
Liparis Condylobulbon Reichb. F. From Gumitir, Indonesia: Morphology, Molecular, And Phytochemical Profile, Fuad Bahrul Ulum, Asyifa Yasmin Arum, Kurnia Sa’Adah, Dwi Setyati, Edia Fitria Dwinianti, Ranjithkumar Rajamani, Ari Satia Nugraha, Mukhamad Su’Udi
Makara Journal of Science
Liparis condylobulbon Rchb.f. is an epiphytic orchid across South and Southeast Asia, which holds notable ethnomedicinal and pharmacological significance. This study aims to characterize Indonesian Liparis condylobulbon using integrated morphological, molecular (matK, rbcL, ITS2), and phytochemical (LC-MS, DPPH) analyses of specimens from Mount Gumitir, providing the first comprehensive taxonomic and pharmacological profile to support species authentication and future bioprospecting. The L. condylobulbon specimen displays diagnostic epiphytic morpho-logy, including fusiform pseudobulbs, two elongate leaves, and an erect inflorescence bearing ~123 flowers. Molecular barcoding using matK, rbcL, and ITS2 confirmed its identity, with phylogenetic analyses consistently clustering it with …
Genome Wide Association Study (Gwas) On Different Economic Traits And Epigenetic Stability Of Sweetpotato In Louisiana, Ajay Dhungana
Genome Wide Association Study (Gwas) On Different Economic Traits And Epigenetic Stability Of Sweetpotato In Louisiana, Ajay Dhungana
LSU Doctoral Dissertations
Sweetpotato [Ipomoea batatas (L.) Lam] is a globally important food, feed, and industrial crop, yet its improvement is constrained by a complex hexaploid genome, clonal propagation, and susceptibility to multiple diseases. In Louisiana, production is threatened primarily by Fusarium oxysporum f. sp. batatas (Fusarium wilt) and Ceratocystis fimbriata (Black rot). Furthermore, the in vitro propagation methods essential for disease-free planting material and germplasm conservation can introduce epigenetic instability that undermines clonal fidelity. This dissertation integrates genome-wide association studies (GWAS), genotype by environment interaction (GEI) and DNA methylation profiling to dissect resistance mechanisms and assess epigenetic stability in Louisiana sweetpotato …
Determination Of High-Temperature Stress Tolerance In Strawberry Varieties Based On Physiological And Biochemical Mechanisms, Izhar Ullah, Hüsnü Demi̇rsoy, Musa Kavas, Kubi̇lay Yildirim, Leyla Demi̇rsoy
Determination Of High-Temperature Stress Tolerance In Strawberry Varieties Based On Physiological And Biochemical Mechanisms, Izhar Ullah, Hüsnü Demi̇rsoy, Musa Kavas, Kubi̇lay Yildirim, Leyla Demi̇rsoy
Turkish Journal of Botany
Rising global temperatures due to climate change threaten optimal strawberry growth and sustainable yields. Limited data exist on the physiological and biochemical responses of strawberry cultivars to high-temperature stress and their tolerance mechanisms. T his study evaluated the responses of 21 day-neutral and short-day strawberry cultivars to high-temperature stress and classified their tolerance levels using a novel weighted rating method. Plants were grown in 15-cm plastic pots (3:1:1 garden soil, peat, perlite) under open-field conditions until the 3–4 leaf stage and then transferred to climate chambers. After acclimatization at 25/15 °C (day/night) for 2 weeks, the plants were subjected to …
Functional Trait Structure In A Plant Community In Central Anatolian Steppe, Cansu Ülgen, Zeynep Ladi̇n Coşgun, Bariş Özüdoğru, Çağatay Tavşanoğlu
Functional Trait Structure In A Plant Community In Central Anatolian Steppe, Cansu Ülgen, Zeynep Ladi̇n Coşgun, Bariş Özüdoğru, Çağatay Tavşanoğlu
Turkish Journal of Botany
Exploring the trait structure of grassland plant communities enhances our understanding of how these communities will respond to climate change and disturbances such as herbivory. The trait structure of a plant community was investigated in the Central Anatolian steppe, an ecoregion with high biodiversity that has been largely unexplored in terms of plant functional ecology. Fifty plant species in the community were measured across 9 plant traits, including several leaf traits (leaf area, leaf dry matter content, specific leaf area, leaf thickness, and leaf nitrogen content), two seed traits (seed mass and seed shape), as well as the plant height …
Ethnobotanical Study Of Medicinal Plants Used By The Local Population In And Around Kozak Plateau (Bergama, İzmir, Türkiye), Şükrü Arasan, Hasan Yildirim
Ethnobotanical Study Of Medicinal Plants Used By The Local Population In And Around Kozak Plateau (Bergama, İzmir, Türkiye), Şükrü Arasan, Hasan Yildirim
Turkish Journal of Botany
This research was conducted between 2020 and 2022 in 21 villages located on the Kozak Plateau and its surroundings, in the Bergama district of İzmir province, Türkiye. The main aim of the study is to document the medicinal uses of plants by the local population and to contribute to the preservation and transmission of ethnobotanical knowledge—passed down through generations— to future generations before it disappears. Interviews were conducted with 159 informants, and the traditional medicinal uses of 126 plant taxa belonging to 54 families were identified. Among these, the therapeutic uses of 37 taxa were recorded for the first time. …
Novelties In The Genus Aethionema (Brassicaceae) In Türkiye: Resurrections, New Combinations And Status, And New Synonyms, Kuddi̇si̇ Ertuğrul, Tuna Uysal, Hakki Demi̇relma, Emrah Şi̇ri̇n, Meryem Bozkurt, Burcu Yilmaz Çitak
Novelties In The Genus Aethionema (Brassicaceae) In Türkiye: Resurrections, New Combinations And Status, And New Synonyms, Kuddi̇si̇ Ertuğrul, Tuna Uysal, Hakki Demi̇relma, Emrah Şi̇ri̇n, Meryem Bozkurt, Burcu Yilmaz Çitak
Turkish Journal of Botany
The genus Aethionema in Türkiye was investigated through a comprehensive taxonomic study including morphological, seed micromorphological, and molecular methods. This study led to the synonymization of 11 taxa: A. annuum, A. dincii subsp. baytopiae, A. alidaghenicum, A. bingoelicum, A. dumelicum, A. ertughrulii, A. fruticulosum, A. gypsicola, A. huber-morathii, A. maraschicum, and A. turanicum. Conversely, seven species were resurrected: A. levandowskyi, A. sintenisii, A. acarii, A. pallidiflorum, A. pseudoarmenum, A. pulchellum, and A. recurvum. Four new combinations and status changes (comb. et stat. nov.) were proposed. Reevaluation of synonymous species resulted in the reclassification of A. cardiophyllum and A. lacerum as …
Artificial Intelligence In Mycology: A Systematic Review Of Species Identification, Biotechnological Assessment, And Explainable Deep Learning Methods, Fati̇h Eki̇nci̇, Mehmet Serdar Güzel, Ilgaz Akata
Artificial Intelligence In Mycology: A Systematic Review Of Species Identification, Biotechnological Assessment, And Explainable Deep Learning Methods, Fati̇h Eki̇nci̇, Mehmet Serdar Güzel, Ilgaz Akata
Turkish Journal of Botany
This review offers a comprehensive analysis of the expanding role of artificial intelligence (AI) in mycological research. It highlights how AI supports the identification of fungal taxa at both microscopic and macroscopic levels, facilitates the detection of toxic species, contributes to ecological mapping, aids in discovering new fungal bioproducts, and enhances precision agriculture practices. Advanced techniques such as convolutional neural networks, you only look once, U-shaped network (UNet), and residual network have demonstrated strong performance in classification, segmentation, and object detection tasks. Additionally, explainable AI (XAI) methods like gradient-weighted class activation mapping (Grad-CAM), local interpretable model-agnostic explanations (LIME), and SHapley …
Global Transcriptomic Insights Into Nla-Dependent Boron Toxicity Responses In Arabidopsis Thaliana, Doğa Seli̇n Kayihan
Global Transcriptomic Insights Into Nla-Dependent Boron Toxicity Responses In Arabidopsis Thaliana, Doğa Seli̇n Kayihan
Turkish Journal of Botany
Boron (B) toxicity disrupts multiple metabolic and signaling processes in plants, yet its interaction with post-translational regulators remains poorly understood. The E3 ubiquitin ligase NITROGEN LIMITATION ADAPTATION (NLA) is known to control nutrient transporter turnover, but its role in B toxicity responses has not been previously characterized. Here, we present the first genome-wide transcriptomic analysis of nla mutant Arabidopsis thaliana exposed to mild (1 mM) and moderate (2 mM) B toxicity. Loss of NLA caused a profound reprogramming of gene expression, marked by constitutive activation of ribosome- and translation-related pathways and strong repression of MAPK signaling, α-linolenic acid metabolism, and …
Transcriptome Profiling Of Silique Lncrnas Reveals Novel Insights Into Silique Length In Radish (Raphanus Sativus L.), Xiaomin Yu, Yuxin Zhu, Zhoubo Guan, Shisheng Li
Transcriptome Profiling Of Silique Lncrnas Reveals Novel Insights Into Silique Length In Radish (Raphanus Sativus L.), Xiaomin Yu, Yuxin Zhu, Zhoubo Guan, Shisheng Li
Turkish Journal of Botany
Radish is a widely cultivated vegetable with known medicinal value and produces siliques that differ significantly in number and size. The present study compares normal Duanye-13 radish (CK-type) siliques with mutant radish siliques induced by chemical mutagenesis at the young (YS), short (SS), and long (LS) silique stages. Differences in long noncoding ribonucleic acid (lncRNA) expression were investigated using high-throughput RNA sequencing and bioinformatic analyses, revealing 45 324 new lncRNAs in radish siliques. lncRNA expression was higher in YS and LS mutant lines than in CK-type lines, and expression in SS mutants tended to be lower than in CK-type lines. …
Asimina Triloba (L.) Dunal: The Complete Story Of America’S Forgotten Fruit, Autumn M. Howard
Asimina Triloba (L.) Dunal: The Complete Story Of America’S Forgotten Fruit, Autumn M. Howard
The Cardinal Edge
Asimina triloba, commonly known as the pawpaw, is a unique and historically significant native fruit tree of the eastern United States. This research paper explores the taxonomy, botanical description, distribution, habitat requirements, ecological interactions, economic importance, and reproductive biology of A. triloba. The species is distinguished by its tropical-flavored fruits, adaptation to temperate climates, and reliance on clonal reproduction and specific insect pollinators. While offering promising opportunities for sustainable agriculture and riparian restoration, A. triloba faces challenges related to limited seed dispersal, susceptibility to certain pests and diseases, and the presence of neurotoxic compounds. Despite its historical importance …
Crepe Myrtle Bark Scale (Acanthococcus Lagerstroemiae) And Sooty Mold (Capnodium Sp.) Decrease Bloom And Fruit Number In ‘Natchez’ Crepe Myrtle (Lagerstroemia Xfauriei ‘Natchez’), Derald A. Harp, Beatriz Ruiz, Kara Bailey, Pedro Castillo, Phoebe Alvarez
Crepe Myrtle Bark Scale (Acanthococcus Lagerstroemiae) And Sooty Mold (Capnodium Sp.) Decrease Bloom And Fruit Number In ‘Natchez’ Crepe Myrtle (Lagerstroemia Xfauriei ‘Natchez’), Derald A. Harp, Beatriz Ruiz, Kara Bailey, Pedro Castillo, Phoebe Alvarez
Faculty Publications
Crepe myrtle bark scale (CMBS) (Acanthococcus lagerstroemiae) is an important pest of crepe myrtle in Texas, and infestations are accompanied by excessive growth of sooty mold (SM) that will cover stems, and, in severe cases, leaves. These combine to create significant stress on the plant, and anecdotal evidence suggests a decrease in bloom number under heavy infestation. In an existing planting of 24 ‘Natchez’ crepe myrtle in four blocks, three trees were randomly chosen in each block and treated with either a dinotefuran (year 1) or imidicloprid (year 2) drench. The three remaining trees were untreated. In February of year …
Biodiversity Between The Vines: Common, Rare, And Weedy Plants In Willamette Valley Vinyards, Nora Dunkirk, Gabriel Campbell
Biodiversity Between The Vines: Common, Rare, And Weedy Plants In Willamette Valley Vinyards, Nora Dunkirk, Gabriel Campbell
Institute for Natural Resources Publications
Vineyards in the Willamette valley are more than rows of grapes—they are living landscapes. Between the vines is a diverse community of over 1,500 plant species that support soil health, pollinators and beneficial insects, birds and other wildlife, and contribute meaningfully to the resiliency and productivity of vineyards. Among the natives are also introduced and exotic plants that compete with the native species. Every plant tells a story—together, they form a living vineyard. Here we present common, rare, and exotic weedy species of Willamette Valley vineyards along with identification tips about each species. Presented at the 2026 LIVE conference (livecertified.org).
Evaluation Of Publicly Available Maize Germplasm Adaptation To Environments In Nebraska, Garrett Snodgrass
Evaluation Of Publicly Available Maize Germplasm Adaptation To Environments In Nebraska, Garrett Snodgrass
Department of Agronomy and Horticulture: Dissertations, Theses, and Student Research
Publicly available maize germplasm represents an important resource for breeding programs seeking to expand genetic diversity and improve hybrid performance. However, effective use requires characterization of per se phenotypic performance of parental lines and evaluation of the parental line’s hybrid progeny adaptation to a given target population of environments. Furthermore, understanding population structure and heterotic grouping is imperative for maximizing efficiency of breeding decisions. The objectives of this study were to (1) evaluate phenotypic performance of parental lines and hybrids across environments in Nebraska, and to (2) refine heterotic group classification of parental lines within the University of Nebraska-Lincoln’s Hybrid …
Fighting The Black Snake: The Dapl And The Case For Indigenous Environmental Stewardship, Kenny Moll
Fighting The Black Snake: The Dapl And The Case For Indigenous Environmental Stewardship, Kenny Moll
Student Theses 2015-Present
This thesis analyzes the current scope of environmental injustice on Native lands in the U.S. Specifically it examines The Dakota Access Pipeline (DAPL) and its impacts on the Standing Rock Sioux Tribe of North Dakota. Western colonialism and capitalism have dominated North American ecosystems since their forcible introduction hundreds of years ago, causing the commodification of natural resources and leading to injustices such as that of the “Black Snake.” However, the story of The Standing Rock Sioux Tribe’s resistance will be analyzed through the framework of Indigenous philosophy and environmental justice. Chapter 1 analyzes the implementation of the DAPL and …
A Simple And Affordable Protocol To Assess Censer Seed Dispersal: First Confirmation Of The Mechanism In The Genus Solanum, Abigail J. Motter, Christopher T. Martine, Melody P. Sain
A Simple And Affordable Protocol To Assess Censer Seed Dispersal: First Confirmation Of The Mechanism In The Genus Solanum, Abigail J. Motter, Christopher T. Martine, Melody P. Sain
Faculty Journal Articles
The censer seed dispersal mechanism, whereby mature fruits are retained on plants and seeds dispersed by mechanical shaking, is among the most specialized wind-aided seed dispersal strategies employed by the flowering plants. An efficient, affordable, and easily repeatable protocol for determining whether a species uses this unusual mechanism of seed dispersal is lacking. Our focal species, Solanum tudununggae, is one of just two Solanum species (in a fleshy-fruited genus of ca. 1200 species) hypothesized to use this dispersal mechanism as a means to move seeds farther from parent plants than would gravity alone.
Effects Of Hydro- And Nano-Priming Treatments On Seed Germination And Metabolism In Sugar Beet (Beta Vulgaris L.), Sarah Jorjani, Ömer Can Ünüvar, Songül Gürel, Ekrem Gürel
Effects Of Hydro- And Nano-Priming Treatments On Seed Germination And Metabolism In Sugar Beet (Beta Vulgaris L.), Sarah Jorjani, Ömer Can Ünüvar, Songül Gürel, Ekrem Gürel
Turkish Journal of Botany
This study examined the effects of hydropriming and nanopriming on the germination and physiological parameters of sugar beet seeds. Seeds were treated with distilled water as a traditional method and with TiO2 nanoparticle solutions at concentrations of 5, 10, and 15 ppm as an advanced method. Seeds were soaked for 3, 6, and 9 h, followed by postpriming maintenance for 10 and 45 days. T he results indicated no statistically significant differences in germination rates between the control and primed groups. Both priming methods markedly increased alpha-amylase activity and chlorophyll content, indicating improved metabolic and photosynthetic potential. Notably, nanopriming for …
Modeling Global Ecological Niche Shifts Of Osyris Spp. Under Climate Change Scenarios: Conservation Priorities For A Threatened Genus, Meng Ting-Yao, Han Shun-Long, He Xiang-Tian, Wu Ya-Ni, Fengjuan Mou
Modeling Global Ecological Niche Shifts Of Osyris Spp. Under Climate Change Scenarios: Conservation Priorities For A Threatened Genus, Meng Ting-Yao, Han Shun-Long, He Xiang-Tian, Wu Ya-Ni, Fengjuan Mou
Turkish Journal of Botany
The genus Osyris L. comprises ecologically and economically important evergreen shrubs or small trees, with particular African species currently threatened by unsustainable exploitation. This study projected potential ecological niche shifts for Osyris under four Shared Socioeconomic Pathways (SSPs) using digitized herbarium specimen localities and 20 environmental variables. The genus currently occupies a broad range between 41.32°N–34.85°S latitude and 9.27°W–109.03°E longitude, at elevations from 0 to 3900 m. High-suitability areas cluster primarily in the European-Mediterranean region, eastern/southern Africa, western South America, and Southeast Asia. Projections indicate a significant decline in high-suitability area under all SSP scenarios (SSP126, SSP245, SSP370, SSP585) compared …
Mycorrhiza-Mediated Physiological Responses Of Shallot Against Twisted Disease And Drought Stress, Krisnanda Surya Dharma, Ani Widiastuti, Suryanti Suryanti
Mycorrhiza-Mediated Physiological Responses Of Shallot Against Twisted Disease And Drought Stress, Krisnanda Surya Dharma, Ani Widiastuti, Suryanti Suryanti
Turkish Journal of Botany
Shallot, a strategic horticultural commodity in Indonesia, is susceptible to biotic stress (e.g., twisted disease) and abiotic stress (e.g., drought). Mycorrhizal fungi offer an environmentally friendly solution to enhance plant resilience. This study evaluated the effects of mycorrhizal application on shallot plants against twisted disease (Fusarium acutatum) and drought stress. Using a randomized complete block design, we assessed growth, disease resistance, and physiological responses. Data were analyzed using analysis of variance followed by Tukey’s honestly significant difference test at a 95% confidence level. Results indicated that mycorrhizal application reduced both the severity and rate of twisted disease development in shallots. …
Taxonomic Significance Of Stem And Leaf Anatomy And Pollen And Seed Micromorphological Characters In The Papaver (Poppy) Sect. Rhoeadium From Türkiye, Esengül Özkaymakoğlu, Osman Tugay, Yavuz Bülent Köse, Deni̇z Ulukuş, Bayram Atasagun, Meti̇n Armağan, Ferhat Celep
Taxonomic Significance Of Stem And Leaf Anatomy And Pollen And Seed Micromorphological Characters In The Papaver (Poppy) Sect. Rhoeadium From Türkiye, Esengül Özkaymakoğlu, Osman Tugay, Yavuz Bülent Köse, Deni̇z Ulukuş, Bayram Atasagun, Meti̇n Armağan, Ferhat Celep
Turkish Journal of Botany
The poppy (Papaver) has beautiful flowers that attract the attention of not only taxonomists but also the public. However, it also presents several taxonomic problems. This study examines 13 taxa of Papaver sect. Rhoeadium, including the following species native to Türkiye: P. purpureomarginatum, P. dubium subsp. dubium, P. dubium subsp. laevigatum, P. arachnoideum, P. arenarium, P. commutatum subsp. euxinum, P. guerlekense, P. rhopalothece, P. stylatum, P. clavatum, P. syriacum, P. rhoeas, and P. postii. Plant specimens were collected from natural populations, and anatomical investigations were carried out on stem and leaf cross-sections. Pollen and seed features were examined using both …
Complete Genome Characterization Of A New Alphapartitivirus Identified In The Ectomycorrhizal Fungus Lactarius Mediterraneensis, Aigul Kali̇yeva, Ergi̇n Şahi̇n, Gülce Edi̇ş, Ilgaz Akata
Complete Genome Characterization Of A New Alphapartitivirus Identified In The Ectomycorrhizal Fungus Lactarius Mediterraneensis, Aigul Kali̇yeva, Ergi̇n Şahi̇n, Gülce Edi̇ş, Ilgaz Akata
Turkish Journal of Botany
Viruses that naturally infect fungi capable of forming mycorrhizal symbioses remain poorly studied. In the present study, a new partitivirus associated with the basidiomycete mycorrhizal fungus Lactarius mediterraneensis was identified and characterized, and it was designated as Lactarius mediterraneensis partitivirus 1 (LmPV1). The complete genome of LmPV1 was determined through high throughput sequencing of double-stranded RNA (dsRNA) extracts and confirmed by Sanger sequencing of RLM-RACE PCR amplicons. T he genome comprises two dsRNA segments, 1899 bp and 1957 bp, each containing a single open reading frame (ORF) a putative RNA-dependent RNA polymerase (RdRp) and a capsid protein (CP). Comparative analysis …
A Novel Strategy Of Mycorrhizal Fungi Usage To Enhance Crop Resilience In Saline Environments: Biopriming With Serendipita Indica, Tuğba Özteki̇n, Meli̇sa Ayişiği, Lale Yildiz Aktaş
A Novel Strategy Of Mycorrhizal Fungi Usage To Enhance Crop Resilience In Saline Environments: Biopriming With Serendipita Indica, Tuğba Özteki̇n, Meli̇sa Ayişiği, Lale Yildiz Aktaş
Turkish Journal of Botany
Soil salinization is a critical global challenge, threatening agricultural productivity by imposing osmotic stress, ionic toxicity, and oxidative imbalance in plants. This study investigated the potential of Serendipita indica biopriming to enhance salt stress tolerance in maize (Zea mays L. cv. Simon) seedlings through comprehensive physiological and biochemical analyses under controlled conditions. Maize seeds were bioprimed with different concentrations of mycorrhizal fungi S. indica spores and exposed to varying NaCl concentrations (0, 50, 100, and 200 mM). Nonprimed maize seedlings had a gradual reduction in seed vigor index, reaching about 93.56% in 200 mM NaCl treatment. Under nonsaline conditions, S. …
Hormetic Doses Of Lead Metal Ion Stimulated Photosynthetic Attributes In Brassica Juncea During Various Stages Of Growth, Shalini Dhiman, Arun Dev Singh, Nitika Kapoor, Renu Bhardwaj
Hormetic Doses Of Lead Metal Ion Stimulated Photosynthetic Attributes In Brassica Juncea During Various Stages Of Growth, Shalini Dhiman, Arun Dev Singh, Nitika Kapoor, Renu Bhardwaj
Turkish Journal of Botany
Low doses of lead (Pb) ions were used in the present study to investigate their effects on photosynthetic efficiency in Brassica juncea. Plants of B. juncea grown for 30, 45, and 60 days were analysed for root and shoot length, pigment content, gas exchange, chlorophyll fluorescence, primary and secondary metabolites, and nonenzymatic antioxidant responses under exposure to hormetic doses of Pb2+. The findings show that low levels of Pb2+ (especially 18- and 36-µM Pb treatments) improve gas exchange metrics, chlorophyll fluorescence parameters, root and shoot growth, and increased amounts of chlorophyll, carotenoid, xanthophyll and low amounts of pheophytin as compared …
A Vascular And Non-Vascular Flora Of The Mcgee Creek Watershed, Mono County, California, Matthew Yamamoto
A Vascular And Non-Vascular Flora Of The Mcgee Creek Watershed, Mono County, California, Matthew Yamamoto
CGU Theses & Dissertations
The McGee Creek watershed is a topographically and geologically diverse drainage in the eastern Sierra Nevada of California covering 27.28 sq-mi (70.65 sq-km), with an elevation range of 6750–12,999 ft (2057–3962 m). Relative to nearby watersheds, few plant specimens had been collected in the McGee Creek watershed before 2024, and these were mostly collected along roads and trails. To better understand the flora, 2860 collections of vascular and non-vascular plants were made across the watershed in 2024 and 2025, and 187 specimens collected before 2024 were examined. In total, the flora of the McGee Creek watershed includes at least 970 …
Soil Nutrient Sufficiency Versus Plant Nutrient Status In Compost-Amended Soils: Plant Tissue Analysis As A Diagnostic Tool, Chandralekha Joga Miss
Soil Nutrient Sufficiency Versus Plant Nutrient Status In Compost-Amended Soils: Plant Tissue Analysis As A Diagnostic Tool, Chandralekha Joga Miss
Murray State Theses and Dissertations
This study evaluated whether Mehlich III soil nutrient sufficiency ratings reliably predict plant nutrient status and chlorophyll response across contrasting compost application histories. A greenhouse pot experiment was conducted with Chijimisai (Brassica rapa) planted in three treatment soils that had no compost (T1), moderate compost history (T2), and long-term hog manure compost application (T3). Plant performance was assessed through weekly shoot length and chlorophyll content (SPAD) measurements, leaf number at maturity, and leaf tissue nutrient analysis conducted at harvest. Soil test results indicated adequate to high nutrient levels across all three treatments. Leaf tissue analysis, however, revealed substantial …
Current And Historical Occurrences Of Rare Coastal Plants In The Hampton Falls Salt Marshes, Liliana T. Chirichella
Current And Historical Occurrences Of Rare Coastal Plants In The Hampton Falls Salt Marshes, Liliana T. Chirichella
Honors Theses and Capstones
A botanical survey of two sites in the Hampton Falls saltmarshes was conducted to document the occurrences of a list of eleven endangered and threatened coastal plants listed in the Natural Heritage Bureau’s NH Rare Plant List. This survey was conducted in fulfillment of the NH Native Plant Protection Act to highlight and identify target species in an area where restorative runneling is to be implemented in order to restore proper hydrology and prevent further expansion of mega-pools in the Little River and Depot Road salt marsh sites, which have been subject to historical ditching and are a part of …
Assessing A Half-Century Of Change In Understory Plant Range And Frequency In The Klamath Mountains Of California, Emily Jean Jackson
Assessing A Half-Century Of Change In Understory Plant Range And Frequency In The Klamath Mountains Of California, Emily Jean Jackson
Cal Poly Humboldt theses and projects
The effects of climate change have and will continue to impact plant communities, including by potentially shifting species’ ranges towards topographically sheltered, cooler locations or higher elevations. In 2024, I resampled 140 vegetation plots established in 1969 in the Klamath Mountains of Northern California to assess range shifts of 46 understory species over a 55-year period. During this time, the elevational distribution of all species has increased significantly by an average of 26.9 m, but this increase was slower than necessary to track historic temperature niches given regional warming (215-311 m). Despite this overall increase, only four species exhibited significant …
American Elderberry's Next Top Pollinator: Evaluating The Role Of Arthropods In Pollination, Jenny K. Burrow
American Elderberry's Next Top Pollinator: Evaluating The Role Of Arthropods In Pollination, Jenny K. Burrow
Graduate Theses/Dissertations
American elderberry (Sambucus nigra subsp. canadensis) is a woody deciduous shrub native to eastern North America. In addition to its long history of use by indigenous peoples, there is renewed interest in cultivating and consuming American elderberry, primarily driven by expanding health supplement markets. Despite recent advances in horticultural development of American elderberry, its pollination ecology remains poorly understood. In this field study, I evaluated the contribution of arthropod visitors to pollination of American elderberry. To do this, I first characterized the identities and abundances of arthropod visitors via timed arthropod collections and floral observations during peak flowering …
Extending The Fruiting Season With Container Grown Primocane-Fruiting Blackberries Grown In A High-Tunnel, Edwin James Tucker Iii
Extending The Fruiting Season With Container Grown Primocane-Fruiting Blackberries Grown In A High-Tunnel, Edwin James Tucker Iii
Graduate Theses/Dissertations
Blackberry production has become an important part of many small fruit orchard operations because they’re easy to grow, produce a large crop, and sell well at market. The current blackberry season in Missouri extends from mid-June to mid-August, depending on the cultivar chosen. This fruiting season is common for floricane-fruiting blackberry cultivars (cultivars that fruit on one-year old canes). Primocane-fruiting blackberry, or blackberries that fruit on current season growth, have the potential to further extend the harvest season of blackberry into September and October especially if grown in a high-tunnel. This study had two objectives. The first objective was to …
Phylogeography, Fungal Host Specificity, And Fitness In The Corallorhiza Maculata Species Complex, Hana Thixton-Nolan
Phylogeography, Fungal Host Specificity, And Fitness In The Corallorhiza Maculata Species Complex, Hana Thixton-Nolan
Graduate Theses, Dissertations, and Problem Reports (ETD)
Mycoheterotrophic plants exploit fungi for most or all nutritional needs, providing a compelling system to address the evolutionary consequences of genome reduction, population-level variation, and germination requirements. I am using the widespread Corallorhiza maculata species complex to address questions of genomic variation, fungal host specificity, morphological variation, and germination requirements across the broad geographic range from Mexico to northern North America. This complex contains C. bulbosa, C. macrantha, and C. mertensiana, the latter with three varieties (maculata, occidentalis, and mexicana). These taxa vary in flowering time, floral morphology, and fungal associations. However, the degree …