Horticulture Commons^™

B. R. Wells Arkansas Rice Research Studies 2016, R. J. Norman, K.A. K. Moldenhauer

Arkansas Agricultural Experiment Station Research Series

No abstract provided.

Arkansas Wheat Cultivar Performance Tests 2016-2017, R. E. Mason, R. G. Miller, D. E. Moon, J. P. Kelley

Arkansas Agricultural Experiment Station Research Series

Wheat cultivar performance tests are conducted each year in Arkansas by the University of Arkansas System Division of Agriculture’s Arkansas Agricultural Experiment Station, Department of Crop, Soil and Environmental Sciences. The tests provide information to companies developing cultivars and marketing seed within the state and aid the Arkansas Cooperative Extension Service in formulating cultivar recommendations for small-grain producers.

Molecular And Culture-Based Assessment Of Root/Crown Rot Fungal/Oomycete Complex Of Bean In Mozambique, Suzana Vanessa Ismael Fernandes

Department of Agronomy and Horticulture: Dissertations, Theses, and Student Research

Dry edible beans (Phaseolus vulgaris) play an important role in food security, alleviating hunger and malnutrition and adding value to the economy in Mozambique. Recently, root/crown rot (RCR) has caused yield losses in bean fields in Mozambique. A diverse taxa of fungi and oomycetes have been associated with RCR. However, in Mozambique little information on root rot is available. The purpose of this study is to use Illumina sequencing platform, polymerase chain reaction (PCR) and culture-based methods to identify the primary pathogens associated with RCR in Mozambique. A total of 88 plants showing symptoms of RCR disease were …

Positioning Of The Scrambled Receptor Requires Udp-Glc:Sterol Glucosyltransferase 80b1 In Arabidopsis Roots, Victoria G. Pook, Meera Nair, Kookhui Ryu, James C. Arpin, John Schiefelbein, Kathrin Schrick, Seth Debolt

Horticulture Faculty Publications

The biological function of sterol glucosides (SGs), the most abundant sterol derivatives in higher plants, remains uncertain. In an effort to improve our understanding of these membrane lipids we examined phenotypes exhibited by the roots of Arabidopsis (Arabidopsis thaliana) lines carrying insertions in the UDP-Glc:sterol glucosyltransferase genes, UGT80A2 and UGT80B1. We show that although ugt80A2 mutants exhibit significantly lower levels of total SGs they are morphologically indistinguishable from wild-type plants. In contrast, the roots of ugt80B1 mutants are only deficient in stigmasteryl glucosides but exhibit a significant reduction in root hairs. Sub-cellular investigations reveal that the plasma membrane …

Nebline, July 2017

NEBLINE Newsletter Archive from Nebraska Extension in Lancaster County

Feature: The Road to Great (and Safe!) Grilling

Food & Health

Farm & Acreage

Pests & Wildlife

Horticulture

Early Childhood

4-H & Youth

and other extension news and events

Protocol For Enrichment Of The Membrane Proteome Of Mature Tomato Pollen, Puneet Paul, Palak Chaturvedi, Anida Mesihovic, Arindam Ghatak, Wolfram Weckwerth, Enrico Schleiff

Department of Agronomy and Horticulture: Faculty Publications

We established and elaborated on a method to enrich the membrane proteome of mature pollen from economically relevant crop using the example of Solanum lycopersicum (tomato). To isolate the pollen protein fraction enriched in membrane proteins, a high salt concentration (750 mM of sodium chloride) was used. The membrane protein-enriched fraction was then subjected to shotgun proteomics for identification of proteins, followed by in silico analysis to annotate and classify the detected proteins.

Hanford Ffa Ornamental Horticulture Unit Master Plan, Savanah Diane Rhine, Russell Alan Zimmerman

Agricultural Education and Communication

This project is intended to develop a more functional plan for the Ornamental Horticulture (OH) Unit at the Hanford Agriculture Program. The ag program combines all three high schools in Hanford resulting in over 1,000 students; however, a majority of these students are not in the OH Career Pathway due to a lack of a constant, fully functional unit. As a comprehensive agriculture program, it is crucial that it incorporates all aspects of agriculture, not just animal science and agricultural mechanics.

This project will provide the Hanford agriculture program with a plan to be implemented so that they may have …

Nebline, June 2017

NEBLINE Newsletter Archive from Nebraska Extension in Lancaster County

Feature: What's Biting You?

Food & Health

Farm & Acreage

Pests & Wildlife

Horticulture

Early Childhood

4-H & Youth

and other extension news and events

Transcriptomic Resources For The Medicinal Legume Mucuna Pruriens: De Novo Transcriptome Assembly, Annotation, Identification And Validation Of Est-Ssr Markers, N. Sathyanarayana, Ranjith Kumar Pittala, Pankaj Kumar Tripathi, Ratan Chopra, Heikham Russiachand Singh, Vikas Belamkar, Pardeep Kumar Bhardwaj, Jeff J. Doyle, Ashley N. Egan

Department of Agronomy and Horticulture: Faculty Publications

Background:

The medicinal legume Mucuna pruriens (L.) DC. has attracted attention worldwide as a source of the anti-Parkinson’s drug L-Dopa. It is also a popular green manure cover crop that offers many agronomic benefits including high protein content, nitrogen fixation and soil nutrients. The plant currently lacks genomic resources and there is limited knowledge on gene expression, metabolic pathways, and genetics of secondary metabolite production. Here, we present transcriptomic resources for M. pruriens, including a de novo transcriptome assembly and annotation, as well as differential transcript expression analyses between root, leaf, and pod tissues. We also develop microsatellite markers …

A Comprehensive Analysis Of Alternative Splicing In Paleopolyploid Maize, Wenbin Mei, Sanzhen Liu, James C. Schnable, Cheng-Ting Yeh, Nathan M. Springer, Patrick S. Schnable, William Brad Barbazuk

Department of Agronomy and Horticulture: Faculty Publications

Identifying and characterizing alternative splicing (AS) enables our understanding of the biological role of transcript isoform diversity. This study describes the use of publicly available RNA-Seq data to identify and characterize the global diversity of AS isoforms in maize using the inbred lines B73 and Mo17, and a related species, sorghum. Identification and characterization of AS within maize tissues revealed that genes expressed in seed exhibit the largest differential AS relative to other tissues examined. Additionally, differences in AS between the two genotypes B73 and Mo17 are greatest within genes expressed in seed. We demonstrate that changes in the level …

Phenotypic Variation And Genetic Purity Of The Original 'Prime-Jim®' X 'Arapaho' Population, Loren M. Luther

Horticulture Undergraduate Honors Theses

In 2013, Castro et al., produced the first linkage map for primocane-fruiting blackberries using the cross ‘Prime-Jim®’ x ‘Arapaho.’ This mapping population has been maintained since the original experiment with the hopes of conducting future studies. Further research was determined to be needed on the population to better characterize additional phenotypic traits, and since nine years had passed since the seedlings were established, there was a need to assess the continued genetic purity of the population using molecular methods. Phenotypic data was collected to analyze the variation of the population including soluble solids content, titratable acidity, average weight, shape, and …

Nebline, May 2017

NEBLINE Newsletter Archive from Nebraska Extension in Lancaster County

Feature: Biosolids Land Application Program Celebrating 25 Years of Benefiting the Community

Food & Health

Farm & Acreage

Pests & Wildlife

Horticulture

Early Childhood

4-H & Youth

and other extension news and events

Patch Seeding On An Extensive Green Roof: Initial Experiment On Microclimate Impacts, Zhuqing Xu

Department of Agronomy and Horticulture: Dissertations, Theses, and Student Research

The green roof provides not only aesthetic values but also many ecological benefits. In North America, seeding or reseeding with native species becomes increasingly popular as a result of its high efficacy and low cost. The extreme temperature and a lack of water on the green roof impose restrictions on seeds germination that determines the success of a seeding program.

The study started on June 1 and was completed by July 15. Five Great Plains native species were hand-seeded in two blocks on Larson Building green roof, along with two blocks set up in the greenhouse at University of Nebraska-Lincoln …

Evaluation And Association Analysis Of Cowpea Salt Tolerance, Waltram Second Ravelombola

Graduate Theses and Dissertations

Cowpea [Vigna unguiculata (L.) Walp.] (2n=2x=22) is a leguminous crop providing inexpensive protein for human consumption that can be grown worldwide. Salinity is one of the major threats to cowpea production, particularly in semi-arid regions of Africa. Salinity significantly affects seed germination and decreases pod yield in cowpea. However, little has been done to provide farmers salt-tolerant cowpea cultivars. Knowledge on the genetics of cowpea salt tolerance is very limited. This study aimed to:(1) evaluate cowpea salt tolerance at germination stage, (2) evaluate cowpea salt tolerance at seedling stage, (3) conduct an association study for cowpea salt tolerance at germination …

Environmental And Climatic Constraints On Large-Scale Camelina Production In Eastern Arkansas, Benjamin Robert Tracy

Graduate Theses and Dissertations

Camelina sativa is a cold weather crop that is typically grown in semi-arid environments in the Western United States, usually as a spring crop, but sometimes during the winter. Research analyzing climate data and soil hydrology is important to better understand the environmental and terrain conditions necessary for Camelina farming wherever it is proposed for large-scale production. This study focused on various conditions and constraints pertaining to the potential for Camelina as a crop biofuel in Eastern Arkansas. Due to interest in the economic potential of crop biofuels in this area, and in particular the low input costs for Camelina, …

Value Of Cover Crops In Suppressing Weeds And Protecting Cotton Yields And Likelihood Of Residual Herbicide Carryover To Cover Crops, Matheus Gabriel Palhano

Graduate Theses and Dissertations

Weed-resistance management has become a topic of concern for modern agriculture. Cost related to herbicide usage has increased greatly due to evolution and proliferation of resistant weeds. Therefore, experiments were conducted to investigate the potential for using cover crops to suppress problematic weeds in cotton as well as chemical options for cover crop dessication, and sensitivity of cover crops to residual herbicides were evaluated. No differences were observed for cereal rye biomass production and consequently weed suppression between broadcast and drilled planting methods. Total amount of cover crop biomass was vital to effectively suppress weeds. Hence, of the cover crops …

Effects Of Cover Crop Treatments On Apple Trees, Jennifer Billig

Graduate Theses and Dissertations

Ground cover management systems affect soil quality and health and thereby orchard growth and productivity. There have been few studies in the southern US on the effects of managed drive-rows using cover crops as part of a sustainable apple orchard management system. A field study used treatments of 1) seasonal legumes (cowpea [Vigna unguiculata] and crimson clover [Trifolium incarnatum]), 2) seasonal grasses (millet [Setaria italic] and annual rye [Lolium multiflorum]), or 3) unmanaged natural vegetation drive row plantings, with mowed vegetation blown into the tree row as mulch (mow/blow) nested variable. The legume crop cycles produced more than twice as …

Pengaruh Penambahan Arang Sekam Dan Ukuran Polybag Terhadap Pertumbuhan Dan Hasil Tanaman Tomat Kultivar ‘Valouro’ Hasil Sambung Batang, Tino Mutiarawati Onggo, Kusumiyati, A. Nurfitriana

Jurnal Kultivasi

Tanaman tomat beef merupakan komoditas hortikultura bernilai ekonomi tinggi yang peka terhadap penyakit tular-tanah. Penerapan teknologi sambung batang dilakukan untuk melindungi tanaman dari serangan penyakit tersebut sehingga dapat menghasilkan buah dengan kualitas yang optimal. Penanaman dalam polybag dimaksudkan agar rumah plastik dapat digunakan untuk penanaman tomat secara kontinyu. Arang sekam sebagai salah satu bahan pembenah tanah diaplikasikan untuk perbaikan tanah Inceptisol Jatinangor. Tujuan dari penelitian ini adalah untuk mendapatkan komposisi penambahan bahan pembenah arang sekam dan ukuran polybag yang berpengaruh dalam meningkatkan pertumbuhan dan hasil tanaman tomat beef kultivar Valouro hasil sambung batang. Penelitian dilaksanakan pada bulan Agustus 2015 sampai …

Efektivitas 1-Methylcyclopropene (1-Mcp) Terhadap Ketahanan Simpan Bunga Potong Mawar (Rosa Hybrida Hort.), Dinnur Afiifah, Wawan Sutari, Kusumiyati, Erni Suminar, Syariful Mubarok

Jurnal Kultivasi

Mawar (Rosa hybrida Hort.) merupakan salah satu tanaman hias yang populer dan banyak diminati di kalangan masyarakat. Namun, salah satu permasalahan yang sering dialami oleh produsen dan konsumen mawar adalah daya simpan nya yang cukup singkat. Tujuan dari percobaan ini adalah untuk mendapatkan konsentrasi 1-MCP serta lama aplikasi yang tepat dalam mempertahankan kesegaran bunga mawar potong. Percobaan dilaksanakan di Laboratorium Hortikultura Universitas Padjadjaran pada bulan Desember 2016 dengan menggunakan Rancangan Acak Lengkap pola Sederhana dari tujuh perlakuan yaitu kontrol, pemberian 1-MCP 0.1, 0.5, dan 1 μL L-1 yang diberikan selama 6 jam, serta 0.1, 0.5, dan 1 μL L-1 yang …

Overestimasi Penggukuran Gas Exchange Tanaman Dengan Menggunakan Photosynthesis Analyzer Li-6400, Mochamad Arief Soleh

Jurnal Kultivasi

Salah satu tujuan penelitian adalah dihasilkannya data penelitian yang valid dan terpercaya. Semuanya itu tentu memerlukan usaha keras dalam memahami topik penelitian, serta memahami cara kerja alat penelitian yang akan digunakan. Beberapa kesalahan yang penulis temui dalam mengukur laju fotosintesis tanaman atau gas exchange dengan alat LI-6400 adalah ditemukannya overestimasi pengukuran. Seperti ditemukan pada dua publikasi jurnal, misalnya laju fotosintesis tanaman bawang merah mencapai 97-158 μmol CO2 m-2 s-1 dan laju fotosintesis jangung mencapai 85 – 100 μmol CO2 m-2 s-1. Secara umum tanaman C4 (Jagung) memiliki laju fotosintesis jauh lebih tinggi dibanding tanaman C3 (Bawang). Ada dua faktor kemungkinan …