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2014

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Articles 181 - 210 of 279

Full-Text Articles in Botany

Retracted Article: Increasing Nuclear Ploidy Enhances The Capability Of Antioxidant Defense And Reduces Chromotoxicity In Lathyrus Sativus Roots Under Cadmium Stress, Dibyendu Talukdar Jan 2014

Retracted Article: Increasing Nuclear Ploidy Enhances The Capability Of Antioxidant Defense And Reduces Chromotoxicity In Lathyrus Sativus Roots Under Cadmium Stress, Dibyendu Talukdar

Turkish Journal of Botany

A careful analysis of the paper entitiled Increasing nuclear ploidy enhances the capability of antioxidant defense and reduces chromotoxicity in Lathyrus sativus roots under cadmium stress published in Turk J Bot 2014 (4) has led to conclusion that there exist some modification on the pictures used. Therefore Editorial Board of Turkish Journal of Botany decided to retract this article.

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Spatiotemporal Distribution In Phytoplankton Community With Distinct Salinity Regimes Along The Mandovi Estuary, Goa, India, Suraksha Mohan Pednekar, Vijaya Kerkar, Shivprasad Ganesh Prabhu Matondkar Jan 2014

Spatiotemporal Distribution In Phytoplankton Community With Distinct Salinity Regimes Along The Mandovi Estuary, Goa, India, Suraksha Mohan Pednekar, Vijaya Kerkar, Shivprasad Ganesh Prabhu Matondkar

Turkish Journal of Botany

Seasonal variations in the composition and abundance of phytoplankton were investigated fortnightly at 3 different regions along the Mandovi estuary from June 2007 to May 2008 in relation to salinity and nutrients. A total of 209 species belonging to 7 divisions were identified during the study period. The highest phytoplankton cell density (5.17 × 10^4 cells L^{-1}) and biomass (7.68 mg m^{-3} chlorophyll a) were observed in the upper sections during the nonmonsoon period, while the highest diversity (3.46) was observed in the upper section during the monsoon period. Bacillariophyta was the dominant phytoplankton group at 71% of the total …

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Herniaria Caucasica (Caryophyllaceae), Rumex Cyprius (Polygonaceae), And Potentilla Multifida (Rosaceae); 3 New Records For Turkey, Murat Koç, Ergi̇n Hamzaoğlu Jan 2014

Herniaria Caucasica (Caryophyllaceae), Rumex Cyprius (Polygonaceae), And Potentilla Multifida (Rosaceae); 3 New Records For Turkey, Murat Koç, Ergi̇n Hamzaoğlu

Turkish Journal of Botany

Herniaria caucasica Rupr., Rumex cyprius Murb., and Potentilla multifida L. are given as new records for Turkey. The specimens were collected from Van, Mersin, and Kayseri provinces. These new records were compared with similar species in Turkey. Descriptions, distributions, and figures of these new records are given.

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Ellenberg’S Indicator Values For Soil Nitrogen Concentration And Ph In Selected Swamp Forests In The Central Black Sea Region Of Turkey, Burak Sürmen, Hamdi̇ Güray Kutbay, Dudu Duygu Kiliç, Rena Huseyinova, Mahmut Kilinç Jan 2014

Ellenberg’S Indicator Values For Soil Nitrogen Concentration And Ph In Selected Swamp Forests In The Central Black Sea Region Of Turkey, Burak Sürmen, Hamdi̇ Güray Kutbay, Dudu Duygu Kiliç, Rena Huseyinova, Mahmut Kilinç

Turkish Journal of Botany

Ellenberg developed a system that assigns indicator scores for habitat characteristics of individual plant species. Swamp forests are highly diverse ecological communities and include different plant species, all of which have different ecological requirements. Ellenberg's indicator values (EIVs) were calculated for soil pH and nitrogen (N) concentration in some swamp forest species in the Central Black Sea region of Turkey. In this study, the EIVs for soil pH were usually similar in the swamp forest species studied, while some differences were found with respect to EIVs for soil nitrogen concentration. Tolerance values (TVs) of all of the studied species were …

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Triacontanol-Induced Changes In Growth, Yield, Leaf Water Relations, Oxidative Defense System, Minerals, And Some Key Osmoprotectants In Triticum Aestivum Under Saline Conditions, Shagufta Perveen, Muhammad Shahbaz, Muhammad Ashraf Jan 2014

Triacontanol-Induced Changes In Growth, Yield, Leaf Water Relations, Oxidative Defense System, Minerals, And Some Key Osmoprotectants In Triticum Aestivum Under Saline Conditions, Shagufta Perveen, Muhammad Shahbaz, Muhammad Ashraf

Turkish Journal of Botany

To investigate the effect of exogenous application of triacontanol (TRIA) on 2 wheat (Triticum aestivum L.) cultivars (S-24 and MH-97) under salt stress, an experiment was conducted in a greenhouse under natural climatic conditions. Both cultivars were grown in full strength Hoagland's nutrient solution under nonsaline (0 mM NaCl) or saline (150 mM NaCl) conditions in sand culture. Three optimized TRIA levels (0, 10, and 20 µM) were used as foliar spray at 3 growth stages, i.e. vegetative, boot, and vegetative + boot stages. Ninety-two-day-old plants were subjected to data analysis. Salinity stress adversely affected various growth, physiological, and biochemical …

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A New Natural Hybrid Between Prosthechea Cochleata And P. Radiata (Orchidaceae) From Alta Verapaz, Guatemala, Edgar Mó, William Cetzal Ix, Germán Carnevali, Eduardo Pérez-García, Saikat Basu Jan 2014

A New Natural Hybrid Between Prosthechea Cochleata And P. Radiata (Orchidaceae) From Alta Verapaz, Guatemala, Edgar Mó, William Cetzal Ix, Germán Carnevali, Eduardo Pérez-García, Saikat Basu

Turkish Journal of Botany

A new natural hybrid between Prosthechea cochleata and P. radiata (Orchidaceae, Laeliinae) from the central part of Guatemala, P. × chixoyensis Mó & Cetzal, is herein described, illustrated, and characterized based on the morphological characters. The new nothospecies is most similar to P. cochleata but the petals are proportionally broader and the mucro of the labellum is subapical, as observed in P. radiata. Additionally, the perianth segments are neither as strongly reflexed as they are in P. cochleata nor patent as in P. radiata. A table of diagnostic characters for the new hybrid and its putative parents, a comparative figure, …

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Phytochemical Importance Of Medicinal Plants As Potential Sources Of Anticancer Agents, Himani Raina, Garima Soni, Nupur Jauhari, Neelam Sharma, Navneeta Bharadvaja Jan 2014

Phytochemical Importance Of Medicinal Plants As Potential Sources Of Anticancer Agents, Himani Raina, Garima Soni, Nupur Jauhari, Neelam Sharma, Navneeta Bharadvaja

Turkish Journal of Botany

The diverse and magnificent plant kingdom of the world is widely known for its medicinal importance. The potential medicinal properties of plant species have contributed significantly in the development of various herbal therapies for a number of diseases across the globe. The benefits of herbal medicine over allopathic medicine have helped medicinal plants to regain their importance in the field of health and medicine. Cancer is one of the major health problems that have widely affected the world's population. There is a great need to combat this disease with better and more effective medication as compared to existing therapies. A …

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K-Means Clustering And Structure Analyses Of Genetic Diversity In Tamarix L. Accessions, Habibollah Ijbari, Masoud Sheidai, Ahmad-Reza Mehrabian, Zahra Noormohammadi, Somayeh Ghasemzadeh-Baraki Jan 2014

K-Means Clustering And Structure Analyses Of Genetic Diversity In Tamarix L. Accessions, Habibollah Ijbari, Masoud Sheidai, Ahmad-Reza Mehrabian, Zahra Noormohammadi, Somayeh Ghasemzadeh-Baraki

Turkish Journal of Botany

Tamarix L. accessions were collected from Sistan and Baluchestan Province of Iran, covering an area of about 60 km located in the southeast of Iran. The present investigation was performed to study the genetic structure of Tamarix populations in this province and present some information about gene flow among these populations. Forty-two tree specimens were randomly collected and studied for molecular and morphological diversity. Based on morphological descriptions we recognized 3 species that were confirmed by detailed morphometric and genetic analysis. The studied tree specimens were separated in 3 distinct clusters by UPGMA clustering and principal coordinate analysis and multidimensional …

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Comparative Analysis Of Hexaploid Avena Species Using Remap And Issr Methods, Edyta Paczos Grzeda, Piotr Tomasz Bednarek Jan 2014

Comparative Analysis Of Hexaploid Avena Species Using Remap And Issr Methods, Edyta Paczos Grzeda, Piotr Tomasz Bednarek

Turkish Journal of Botany

Taxonomic relationships in Avena genus are not evident. Avena sativa L. might have originated either from Avena sterilis L. or Avena fatua L. Alternatively, it may have evolved independently during formation of the hexaploid form. A. fatua may have a different A genome than the other hexaploids. Studies performed with Ty1-copia retrotransposon probes demonstrated that this retrotransposon is present at low copy number in the C genome, while it is abundant in A, B, and D. The observed differences provide an opportunity for analyzing the putative origin of A. fatua as well as its relationships with other hexaploids. Two marker …

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Assessment Of Genetic Diversity And Phylogenetic Relationships Of Endangered Endemic Plant Barbarea Integrifolia Dc. (Brassicaceae) In Turkey, Ertuğrul Fi̇li̇z, Etem Osma, Ali̇ Kandemi̇r, Hüseyi̇n Tombuloğlu, Guzi̇n Tombuloglu, Seda Bi̇rbi̇lener, Mehtap Aydin Jan 2014

Assessment Of Genetic Diversity And Phylogenetic Relationships Of Endangered Endemic Plant Barbarea Integrifolia Dc. (Brassicaceae) In Turkey, Ertuğrul Fi̇li̇z, Etem Osma, Ali̇ Kandemi̇r, Hüseyi̇n Tombuloğlu, Guzi̇n Tombuloglu, Seda Bi̇rbi̇lener, Mehtap Aydin

Turkish Journal of Botany

Barbarea integrifolia DC. (Brassicaceae) is an endangered and endemic species located in Erzincan and Gümüşhane provinces of Turkey. In total, 27 individuals from 2 natural populations were assessed using the random amplified polymorphic DNA polymerase chain reaction (RAPD-PCR) method coupled with sequence analysis of the internal transcribed spacer (ITS1) rDNA region. Genetic accuracy of RAPD-PCR was tested with 25 RAPD primers, and it resulted in 115 clear and reproducible DNA fragments from 13 RAPD primers. Among these, 76 (66.1%) fragments were found to be polymorphic. According to the ITS1 analysis of B. integrifolia populations, the plants exhibited a relatively poor …

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Bucklandiella Seppeltii, A New Species Of Grimmiaceae From Australasia, And Its Phylogenetic Position Based On Molecular Data, Halina Bednarek-Ochyra, Ryszard Ochyra, Jakub Sawicki, Monika Szczecinska Jan 2014

Bucklandiella Seppeltii, A New Species Of Grimmiaceae From Australasia, And Its Phylogenetic Position Based On Molecular Data, Halina Bednarek-Ochyra, Ryszard Ochyra, Jakub Sawicki, Monika Szczecinska

Turkish Journal of Botany

A new species, Bucklandiella seppeltii Bednarek-Ochyra, Ochyra, Sawicki & Szczecinska, is delimited by its distinct morphology and biogeography. The geographical range of the new species is restricted to the southern-temperate and southern-cool-temperate zones of Tasmania and New Zealand, with maximum occurrence on the South Island of the latter insular country. The species is described and illustrated and its distribution is mapped. The systematic position of B. seppeltii is revealed to be a sister to New Zealand B. allanfifei Bednarek-Ochyra & Ochyra by molecular evidence based on parsimony analysis of nuclear sequences. In some morphological and anatomical traits, B. seppeltii is …

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First Karyotype Analysis, Physical Rdna Mapping, And Genome Size Assessment In 4 North African Astragalus Taxa (Fabaceae), Karim Baziz, Meriem Benamara-Bellagha, Fatima Pustahija, Spencer Craig Brown, Sonja Siljak-Yakovlev, Nadra Khalfallah Jan 2014

First Karyotype Analysis, Physical Rdna Mapping, And Genome Size Assessment In 4 North African Astragalus Taxa (Fabaceae), Karim Baziz, Meriem Benamara-Bellagha, Fatima Pustahija, Spencer Craig Brown, Sonja Siljak-Yakovlev, Nadra Khalfallah

Turkish Journal of Botany

Four taxa of Algerian Astragalus L. were studied for their chromosome number, karyotype features, and genome size. Fluorochrome banding was done for detection of GC-rich DNA regions, fluorescence in situ hybridization (FISH) for physical mapping of 35S and 5S rRNA genes, and flow cytometry for nuclear DNA content. All the taxa present the same chromosome number (2n = 2x = 16) and single 35S and 5S rDNA loci, but their distributions on chromosomes are different. The GC heterochromatin pattern was different among studied taxa and an unusually high number of chromomycin-positive bands were observed in A. pseudotrigonus Batt. & Trab. …

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A Taxonomic Reassessment Of The Tanacetum Aureum (Asteraceae, Anthemideae) Species Group: Insights From Morphological And Molecular Data, Marzie Kazemi, Ali Sonboli, Hassan Zare Maivan, Shahrokh Kazempour Osaloo Jan 2014

A Taxonomic Reassessment Of The Tanacetum Aureum (Asteraceae, Anthemideae) Species Group: Insights From Morphological And Molecular Data, Marzie Kazemi, Ali Sonboli, Hassan Zare Maivan, Shahrokh Kazempour Osaloo

Turkish Journal of Botany

A taxonomic reassessment of the Tanacetum aureum (Lam.) Greuter, M.V.Agab. & Wagenitz (Asteraceae, Anthemideae) species group was performed. This group of species is distinguished by herbaceous perennial habit, (1-)2-10(-80) disciform capitula, with compact to lax corymbs and strongly to moderately convex receptacle. A multivariate statistical analysis of 58 morphological characters using Ward cluster, principal component analyses, and molecular phylogenetic analyses of nrDNA ITS and cpDNA rpL32-trnL^{(UAG)} + ndhF-rpL32 spacer sequence datasets were conducted. Both datasets corroborated that T. aureum, T. oligocephalum (DC.) Sch.Bip., and T. heimerlii (Nabelek) Parsa could be differentiated as separate species. An identification key of the studied …

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Genetic Diversity Of Turkish Commercial Cotton Varieties Revealed By Molecular Markers And Fiber Quality Traits, Emi̇nur Elçi̇, Yaşar Akişcan, Batuhan Akgöl Jan 2014

Genetic Diversity Of Turkish Commercial Cotton Varieties Revealed By Molecular Markers And Fiber Quality Traits, Emi̇nur Elçi̇, Yaşar Akişcan, Batuhan Akgöl

Turkish Journal of Botany

To assess the genetic diversity and relationships among commercial Gossypium species released in Turkey between 1964 and 2014, 96 cotton varieties were analyzed using morphological and molecular markers. Morphological analysis was performed based on 4 fiber quality traits including fiber length, strength, fineness, and uniformity, and the mean values of each trait for each genotype were calculated using 2-year data. The results showed that most of the genotypes have long fiber length, very high fiber strength, coarse (45 genotypes) or average (50 genotypes) fiber fineness, and high uniformity. Twenty-six simple sequence repeat (SSR) markers and 14 markers linked to quantitative …

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Glyphosate-Resistant Giant Ragweed (Ambrosia Trifida) Control In Glufosinate-Resistant Soybean, Simranpreet Kaur, Lowell D. Sandell, John L. Lindquist, Amit J. Jhala Jan 2014

Glyphosate-Resistant Giant Ragweed (Ambrosia Trifida) Control In Glufosinate-Resistant Soybean, Simranpreet Kaur, Lowell D. Sandell, John L. Lindquist, Amit J. Jhala

Department of Agronomy and Horticulture: Faculty Publications

Glyphosate-resistant giant ragweed is one of the most competitive weeds of agronomic crops in the United States. Early emergence and rapid growth rate makes giant ragweed a competitive weed early in the season and reduces crop yields. Therefore, early spring control of giant ragweed using a preplant herbicide is critical. Glufosinate is an alternative POST herbicide for weed control in glufosinate-resistant soybean. Field experiments were conducted at David City, NE, in 2012 and 2013 to evaluate the efficacy of preplant herbicides followed by glufosinate applied alone or in tank mixes for control of glyphosate-resistant giant ragweed in glufosinate-resistant soybean. Preplant …

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The Evolutionary Divergence Of Pinus Nigra Subsp. Pallasiana And Its Varieties Based On Noncoding Trn Regions Of Chloroplast Genome, Aysun Demet Gülsoy, Ali̇ Murat Gülsoy, Burcu Çengel, Zeki̇ Kaya Jan 2014

The Evolutionary Divergence Of Pinus Nigra Subsp. Pallasiana And Its Varieties Based On Noncoding Trn Regions Of Chloroplast Genome, Aysun Demet Gülsoy, Ali̇ Murat Gülsoy, Burcu Çengel, Zeki̇ Kaya

Turkish Journal of Botany

The Anatolian black pine [Pinus nigra Arnold subsp. pallasiana (Lamb.) Holmboe var. pallasiana] is one of the subspecies of European black pine, growing naturally as a widespread mid-elevation species in the southern, western, and northern Anatolian Mountains of Turkey. Three well-recognized varieties [var. pallasiana, var. fastigiata Businsky with pyramidal form, and var. seneriana (Saatçioğlu) Yalt. with globular-shaped crown with multiple stems] occur naturally, but the studies on them are very limited. These 3 varieties of Anatolian black pine were sampled in natural stands where they coexist to determine evolutionary divergence in the species as well as its evolutionary relationships with …

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Allium Efeae (Amaryllidaceae), A New Species From Northwest Anatolia, Turkey, İlker Genç, Fatma Neri̇man Özhatay Jan 2014

Allium Efeae (Amaryllidaceae), A New Species From Northwest Anatolia, Turkey, İlker Genç, Fatma Neri̇man Özhatay

Turkish Journal of Botany

Allium efeae Özhatay & İ.Genç is described as a new species from northwest Anatolia. The distribution area of this species is restricted to Kıbrıscık (Bolu) and Beypazarı (Ankara). It resembles Allium lycaonicum Siehe, but differs in tepal shape and color, leaf length, and filament shape. A table comparing the diagnostic morphological characters of the new species and A. lycaonicum is provided. The diagnostic morphological characters, distribution, conservation status, and color photographs of the new species as well as its chromosome number (2n = 24) are presented.

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A Revision Of Centaurea Sect. Centaurea (Asteraceae) From Iran, Massoud Ranjbar, Kazem Negaresh Jan 2014

A Revision Of Centaurea Sect. Centaurea (Asteraceae) From Iran, Massoud Ranjbar, Kazem Negaresh

Turkish Journal of Botany

A taxonomic review of Centaurea L. sect. Centaurea (Asteraceae) in Iran was carried out. Seven taxa are recognized and 1 of them is described as a new species: Centaurea joharchii Ranjbar & Negaresh. This new species has been described and illustrated from Khorasan Province, SE Iran. A new combination is proposed: C. kermanshahensis (Wagenitz) Ranjbar & Negaresh. In addition, C. aggregata Fisch. & C.A.Mey. ex DC. subsp. aggregata is typified and C. diffusa Lam. is reported here as a new record for Iran. Finally, a key to all species of the section Centaurea in Iran is provided.

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Phylogeny, Geographic Distribution, And New Taxonomic Circumscription Of The Crocus Reticulatus Species Group (Iridaceae), Dörte Harpke, Lorenzo Peruzzi, Helmut Kerndorff, Theophanis Karamplianis, Theophanis Constantinidis, Vladimir Randelovic, Novica Randelovic, Marina Juskovic, Erich Pasche, Frank R. Blattner Jan 2014

Phylogeny, Geographic Distribution, And New Taxonomic Circumscription Of The Crocus Reticulatus Species Group (Iridaceae), Dörte Harpke, Lorenzo Peruzzi, Helmut Kerndorff, Theophanis Karamplianis, Theophanis Constantinidis, Vladimir Randelovic, Novica Randelovic, Marina Juskovic, Erich Pasche, Frank R. Blattner

Turkish Journal of Botany

Recent phylogenetic analyses proved several infrageneric units within the genus Crocus to be para- or polyphyletic. In an attempt to arrive at a system of Crocus that closely reflects species relationships, we provide here phylogenetic, morphometric, geographic, and nomenclatorial data for the species of a narrower-defined, monophyletic Crocus series Reticulati. We sequenced the ETS and ITS regions of the nuclear ribosomal DNA in 9 Reticulati and 19 outgroup species. Three chloroplast loci (trnL-F, rps16-trnQ, matK-trnK) were sequenced in the newly defined series Reticulati species and 1 outgroup. Data were analyzed with Bayesian and parsimony algorithms. The phylogenies resulted in 2 …

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Heterologous Expression Of Esaba1 Enhances Salt Tolerance With Increased Accumulation Of Endogenous Aba In Transgenic Tobacco, Yujun Sun, Lin Zhu, Jiansheng Guo, Cheng Zhou Jan 2014

Heterologous Expression Of Esaba1 Enhances Salt Tolerance With Increased Accumulation Of Endogenous Aba In Transgenic Tobacco, Yujun Sun, Lin Zhu, Jiansheng Guo, Cheng Zhou

Turkish Journal of Botany

Salt stress can trigger several physiological responses in plants such as increased accumulation of ABA and antioxidant enzyme activities, which have been closely associated with the tolerance of plants to salt stress. In the present study a novel zeaxanthin epoxidase gene, designated EsABA1, was isolated from Eutrema salsugineum. EsABA1 contained a full-length open reading frame (ORF) of 2001 bp, encoding 666 amino acids. Transcription of EsABA1 rapidly accumulated after exposure to various abiotic stresses, suggesting that the EsABA1 gene was involved in multiple stress responses and tolerance. To further investigate the roles of EsABA1 under salt-stress conditions, transgenic tobacco lines …

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A Genome-Wide Association Study Of Seed Protein And Oil Content In Soybean, Eun-Young Hwang, Qijian Song, Gaofeng Jia, James E. Specht, David L. Hyten, Jose Costa, Perry B. Cregan Jan 2014

A Genome-Wide Association Study Of Seed Protein And Oil Content In Soybean, Eun-Young Hwang, Qijian Song, Gaofeng Jia, James E. Specht, David L. Hyten, Jose Costa, Perry B. Cregan

Department of Agronomy and Horticulture: Faculty Publications

Background: Association analysis is an alternative to conventional family-based methods to detect the location of gene(s) or quantitative trait loci (QTL) and provides relatively high resolution in terms of defining the genome position of a gene or QTL. Seed protein and oil concentration are quantitative traits which are determined by the interaction among many genes with small to moderate genetic effects and their interaction with the environment. In this study, a genome-wide association study (GWAS) was performed to identify quantitative trait loci (QTL) controlling seed protein and oil concentration in 298 soybean germplasm accessions exhibiting a wide range of …

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How Do Various Maize Crop Models Vary In Their Responses To Climate Change Factors?, Simon Bassu, Nadine Brisson, Jean-Louis Durand, Kenneth J. Boote, Jon Lizaso, James Jones, Cynthia Rosenzweig, Alex Ruane, Myriam Adam, Christian Baron, Bruno Basso, Christian Biernath, Hendrick Boogaard, Sjaak Conijn, Marc Corbeels, Delphine Deryng, Giacomo De Sanctis, Sebastian Gayler, Patricio Grassini, Jerry Hatfield, Steven Hoek, Cesar Izaurralde, Raymond Jongschaap, Armen Kemanian, Christian Kersebaum, Soo-Hyung Kim, Naresh Kumar, David Makowski, Christoph Muller, Claas Nendel, Eckart Priesack, Maria Virinia Pravia, Federico Sau, Iurii Shcherbak, Fulu Tao, Edmar Teixeira, Dennis Timlin, Katharina Waha Jan 2014

How Do Various Maize Crop Models Vary In Their Responses To Climate Change Factors?, Simon Bassu, Nadine Brisson, Jean-Louis Durand, Kenneth J. Boote, Jon Lizaso, James Jones, Cynthia Rosenzweig, Alex Ruane, Myriam Adam, Christian Baron, Bruno Basso, Christian Biernath, Hendrick Boogaard, Sjaak Conijn, Marc Corbeels, Delphine Deryng, Giacomo De Sanctis, Sebastian Gayler, Patricio Grassini, Jerry Hatfield, Steven Hoek, Cesar Izaurralde, Raymond Jongschaap, Armen Kemanian, Christian Kersebaum, Soo-Hyung Kim, Naresh Kumar, David Makowski, Christoph Muller, Claas Nendel, Eckart Priesack, Maria Virinia Pravia, Federico Sau, Iurii Shcherbak, Fulu Tao, Edmar Teixeira, Dennis Timlin, Katharina Waha

Department of Agronomy and Horticulture: Faculty Publications

Potential consequences of climate change on crop production can be studied using mechanistic crop simulation models. While a broad variety of maize simulation models exist, it is not known whether different models diverge on grain yield responses to changes in climatic factors, or whether they agree in their general trends related to phenology, growth, and yield. With the goal of analyzing the sensitivity of simulated yields to changes in temperature and atmospheric carbon dioxide concentrations [CO2], we present the largest maize crop model intercomparison to date, including 23 different models. These models were evaluated for four locations representing a wide …

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Grazing Management Effect On Micro- And Macro- Scale Fate Of C And N In Rangelands, Martha Mamo, Jeff Bradshaw, Richard Ferguson, Kent M. Eskridge, John A. Guretzky, Karla Jenkins, Walter H. Schacht, Jerry Volesky, Sean Whipple, Anita Wingeyer, Haishun Yang Jan 2014

Grazing Management Effect On Micro- And Macro- Scale Fate Of C And N In Rangelands, Martha Mamo, Jeff Bradshaw, Richard Ferguson, Kent M. Eskridge, John A. Guretzky, Karla Jenkins, Walter H. Schacht, Jerry Volesky, Sean Whipple, Anita Wingeyer, Haishun Yang

Department of Agronomy and Horticulture: Faculty Publications

No abstract provided.

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Comparison Of Winter Strawberry Production In A Commercial Heated High Tunnel Versus A University Greenhouse, Ellen T. Paparozzi, Ryan Pekarek, George E. Meyer, Stacy A. Adams, M. Elizabeth Conley, David P. Lambe, Paul Read, Erin E. Blankenship Jan 2014

Comparison Of Winter Strawberry Production In A Commercial Heated High Tunnel Versus A University Greenhouse, Ellen T. Paparozzi, Ryan Pekarek, George E. Meyer, Stacy A. Adams, M. Elizabeth Conley, David P. Lambe, Paul Read, Erin E. Blankenship

Department of Agronomy and Horticulture: Faculty Publications

For the past 4 years, the University of Nebraska strawberry team has worked to develop low cost, sustainable methods for farmers and growers to produce strawberries in a double polyethylene greenhouse during the winter. This past year, this growing system was adapted to become a commercial grower’s heated high tunnel for the winter/spring of 2013-14. The idea was to scale up to a farm-size demonstration and compare it to the university greenhouse production system with a goal to expand marketing opportunities for strawberries into the winter season.

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Switchgrass (Panicum Virgatum L) Flag Leaf Transcriptomes Reveal Molecular Signatures Of Leaf Development, Senescence, And Mineral Dynamics, Nathan A. Palmer, Teresa Donze-Reiner, David Horvath, Tiffany Heng-Moss, Brian M. Waters, Christian M. Tobias, Gautam Sarath Jan 2014

Switchgrass (Panicum Virgatum L) Flag Leaf Transcriptomes Reveal Molecular Signatures Of Leaf Development, Senescence, And Mineral Dynamics, Nathan A. Palmer, Teresa Donze-Reiner, David Horvath, Tiffany Heng-Moss, Brian M. Waters, Christian M. Tobias, Gautam Sarath

Department of Agronomy and Horticulture: Faculty Publications

Switchgrass flag leaves can be expected to be a source of carbon to the plant, and its senescence is likely to impact the remobilization of nutrients from the shoots to the rhizomes. However, many genes have not been assigned a function in specific stages of leaf development. Here, we characterized gene expression in flag leaves over their development. By merging changes in leaf chlorophyll and the expression of genes for chlorophyll biosynthesis and degradation, a four-phase molecular roadmap for switchgrass flag leaf ontogeny was developed. Genes associated with early leaf development were up-regulated in phase 1. Phase 2 leaves had …

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Greenhouse Gas Emissions From Soil Treated With Dung Pats, Kenneth Evans, Ana Wingeyer, Martha Mamo, Walter H. Schacht, Pamela Sutton, Kent M. Eskridge Jan 2014

Greenhouse Gas Emissions From Soil Treated With Dung Pats, Kenneth Evans, Ana Wingeyer, Martha Mamo, Walter H. Schacht, Pamela Sutton, Kent M. Eskridge

Department of Agronomy and Horticulture: Faculty Publications

No abstract provided.

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Fate Of C And N From Dung Pats Into Soil, Kenneth Evans, Ana Wingeyer, Martha Mamo, Pamela Sutton, Jeff Bradshaw, Kent M. Eskridge, Matt Judkins, Jenna Beckmann, Erin Hatch Jan 2014

Fate Of C And N From Dung Pats Into Soil, Kenneth Evans, Ana Wingeyer, Martha Mamo, Pamela Sutton, Jeff Bradshaw, Kent M. Eskridge, Matt Judkins, Jenna Beckmann, Erin Hatch

Department of Agronomy and Horticulture: Faculty Publications

No abstract provided.

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Quantitative Proteomic Analysis Of The Salmonella-Lettuce Interaction, Yuping Zhang, Renu Nandakumar, Shannon L. Bartelt-Hunt, Daniel D. Snow, Laurie Hodges, Xu Li Jan 2014

Quantitative Proteomic Analysis Of The Salmonella-Lettuce Interaction, Yuping Zhang, Renu Nandakumar, Shannon L. Bartelt-Hunt, Daniel D. Snow, Laurie Hodges, Xu Li

Department of Agronomy and Horticulture: Faculty Publications

Human pathogens can internalize food crops through root and surface uptake and persist inside crop plants. The goal of the study was to elucidate the global modulation of bacteria and plant protein expression after Salmonella internalizes lettuce. A quantitative proteomic approach was used to analyse the protein expression of Salmonella enterica serovar Infantis and lettuce cultivar Green Salad Bowl 24 h after infiltrating S. Infantis into lettuce leaves. Among the 50 differentially expressed proteins identified by comparing internalized S. Infantis against S. Infantis grown in Luria Broth, proteins involved in glycolysis were down-regulated, while one protein involved in ascorbate …

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Quantitative Trait Loci (Qtl) That Underlie Scn Resistance In Soybean [Glycine Max (L.) Merr.] Pi438489b By ‘Hamilton’ Recombinant Inbred Line (Ril) Population, Kassem My Abdelmajid, Laura Ramos, D. L. Hyten, Jason Bond, Abdelhafid Bendahmane, Prakash R. Arelli, Victor N. Njiti, Silvia Cianzio, Stella K. Kantartzi, Khalid Meksem Jan 2014

Quantitative Trait Loci (Qtl) That Underlie Scn Resistance In Soybean [Glycine Max (L.) Merr.] Pi438489b By ‘Hamilton’ Recombinant Inbred Line (Ril) Population, Kassem My Abdelmajid, Laura Ramos, D. L. Hyten, Jason Bond, Abdelhafid Bendahmane, Prakash R. Arelli, Victor N. Njiti, Silvia Cianzio, Stella K. Kantartzi, Khalid Meksem

Department of Agronomy and Horticulture: Faculty Publications

Soybean cyst nematode caused by Heterodera glycines Ichinohe is the most devastating pest in soybean [Glycine max (L.) Merr.]. Resistance to SCN is complex, polygenic, race and cultivar specific, and it is controlled by several quantitative trait loci (QTL). Our objective was to identify and map QTL for SCN resistance to races 3 (HG Type 0) and 5 (HG Type 2.5.7) using a high density SNP-based genetic linkage map based on the PI438489B by ‘Hamilton’ (PIxH, n=50) recombinant inbred line population. The PI438489B by Hamilton map contained 648 SNPs distributed on 31 LGs with coverage of 1,524.7 cM and …

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Phytophthora Root Rot Resistance In Soybean E00003, Zhongnan Zhang, Jianjun Hao, Jiazheng Yuan, Qijian Song, D. L. Hyten, P. B. Cregan, Guorong Zhang, Cuihua Gu, Ming Li, Dechun Wang Jan 2014

Phytophthora Root Rot Resistance In Soybean E00003, Zhongnan Zhang, Jianjun Hao, Jiazheng Yuan, Qijian Song, D. L. Hyten, P. B. Cregan, Guorong Zhang, Cuihua Gu, Ming Li, Dechun Wang

Department of Agronomy and Horticulture: Faculty Publications

Phytophthora root rot (PRR) is a devastating disease in soybean [Glycine max (L.) Merr.] production. Michigan elite soybean E00003 is resistant to Phytophthora sojae and has been used as a resistance source in breeding. Genetic control of PRR resistance in this source is unknown. To facilitate marker-assisted selection (MAS), the PRR resistance loci in E00003 and their map locations need to be determined. In this study, a genetic mapping approach was used to identify major PRR -resistant loci in E00003. The mapping population consists of 240 F4–derived lines developed by crossing E00003 with the P. sojae susceptible …

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