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Effects Of Pruning Timing, Leaf Removal, And Shoot Thinning On 'Midsouth' Winegrape Quality In South Mississippi, Haley Nicole Williams 2022 Mississippi State University

Effects Of Pruning Timing, Leaf Removal, And Shoot Thinning On 'Midsouth' Winegrape Quality In South Mississippi, Haley Nicole Williams

Theses and Dissertations

‘MidSouth’, a relatively low maintenance interspecific hybrid bunch grape currently grown in South Mississippi, has low sugar and high acid levels for red wine use. Two studies, conducted at the Mississippi State University McNeill Research Unit in 2020 and 2021, determined the effects of pruning timing, leaf removal, and shoot thinning on ‘MidSouth’ development and fruit and wine quality. Treatments in the first study included early versus normal pruning timing, both with and without leaf removal, and treatments in the second study included leaf removal, shoot thinning, and control vines. Cluster temperatures, leaf chlorophyll, berries per cluster, berry and cluster ...


Effects Of Thermal Processing On Peach Puree Of Different Cultivars: Analysis Of Biochemical Alteration, Non-Enzymatic Browning Reaction, And Color Changes, James Hayes 2022 Clemson University

Effects Of Thermal Processing On Peach Puree Of Different Cultivars: Analysis Of Biochemical Alteration, Non-Enzymatic Browning Reaction, And Color Changes, James Hayes

All Theses

The effects of pasteurization temperature and time on the change in seven peach puree variables over a 6-week accelerated shelf-life test (35°C) were evaluated. The variables of interest were three color measures [ L* (lightness), a* (redness), and b* (yellowness)]; two brown pigment measures [spectrophotometric absorption at 420 nm (Browning Index) and 443 nm (Hydroxymethylfurfural)]; °Brix; and pH). Puree was collected from three different cultivars (2 freestone and 1 clingstone) and puree samples from each cultivar were subjected to 20 combinations of pasteurization temperatures (70°C, 80°C, 90 °C, 100°C) and same hold times (0 minutes, 1 minute ...


Distribution And Genomic Diversity Of Pollen-Borne Viruses And Viroids At The Interface Of Peach And Wild Prunus Spp. In The Southeastern United States, Fabian Omar Rodriguez Bonilla 2022 Clemson University

Distribution And Genomic Diversity Of Pollen-Borne Viruses And Viroids At The Interface Of Peach And Wild Prunus Spp. In The Southeastern United States, Fabian Omar Rodriguez Bonilla

All Theses

Prunus necrotic ringspot virus (PNRSV), prune dwarf virus (PDV), and peach latent mosaic viroid (PLMVd) are important pollen-borne pathogens that affect peach orchards in the southeastern United States. My aim with this research is to identify potential sources of virus/viroid inoculum sources in the wild and determine pathogen movement and interactions between wild Prunus spp. and cultivars of peach (P. persica). In Chapter I, I review the literature on pollen borne viruses and viroids in peach. In Chapter II, I surveyed for these pathogens near peach production areas in South Carolina and Georgia, sampling from three endemic wild Prunus ...


Fall-Bearing Cultivars: A High Tunnel System For Early Production, Alyssa Palmer, Brent Black 2022 Utah State University

Fall-Bearing Cultivars: A High Tunnel System For Early Production, Alyssa Palmer, Brent Black

All Current Publications

Fresh red raspberries are a consumer favorite in Utah and have a high value but short shelf life, making them an excellent candidate crop for local direct market sales. However, Utah’s high-elevation valleys often experience harsh winter temperatures and short growing seasons, limiting raspberry yields. Raspberry plants exhibit one of two fruiting patterns: the summer-bearing type or the fall-bearing varieties, also referred to as “ever bearers” because of their ability to produce both fall and summer crops. These may be better suited in areas with harsh winter conditions that cause cane dieback. High tunnels can be an effective tool ...


Temperaturas Críticas De Primavera Para Yemas De Los Árboles Frutales, Michael Pace, Marion Murray 2022 Utah State University

Temperaturas Críticas De Primavera Para Yemas De Los Árboles Frutales, Michael Pace, Marion Murray

All Current Publications

Esta publicación enumera las temperaturas primaverales críticas para las yemas de árboles frutales cuando el 10% y 90% de las yemas mueren en diferentes etapas de desarrollo después de 30 minutos de exposición.


Assessing Freezing Effect On Kiwifruit Cultivars And Mapping Suitable Areas For Growing The Crop In Eastern Texas, Lais de Oliveira Machado 2021 Stephen F Austin State University

Assessing Freezing Effect On Kiwifruit Cultivars And Mapping Suitable Areas For Growing The Crop In Eastern Texas, Lais De Oliveira Machado

Electronic Theses and Dissertations

Kiwifruit is a perennial vine originating from China where it has been grown for centuries. In the United States, green kiwifruit (Actinidia deliciosa) is primarily produced commercially in California. They are fuzzy, green fleshed and well known in the marketplace. Kiwifruit plants require low to moderate soil pH, adequate winter chilling and adequate precipitation to guarantee plant development and good fructification. Actinidia chinesis or golden kiwifruit are smooth skinned, feature golden flesh and are a more recent introduction into the global market. Kiwifruit crops have attributes that favor production in east Texas, including low pest problems, current long market window ...


Genetic Control Of Sweetness, Acidity, And Seediness In Blackberry, Carly Elizabeth Godwin 2021 University of Arkansas, Fayetteville

Genetic Control Of Sweetness, Acidity, And Seediness In Blackberry, Carly Elizabeth Godwin

Graduate Theses and Dissertations

The global blackberry (Rubus L. subgenus Rubus Watson) industry has experienced rapid growth during the past 15 years. Even so, many industry stakeholders report complaints from consumers and grocers stating blackberries are often too tart, too seedy, or not sweet enough for their liking. The development of molecular markers for high sweetness, low acidity, and reduced seediness would allow breeding programs to expeditiously make selection and crossing decisions in the early stages of the breeding pipeline. The objective of this study was to use a Genome-Wide Association Study (GWAS) to identify marker-trait associations, locate quantitative trait loci (QTL), and find ...


Managing Vegetation Around Fruit Trees, Teryl Roper 2021 Utah State University

Managing Vegetation Around Fruit Trees, Teryl Roper

All Current Publications

Fruit trees thrive along the Wasatch Front and in many other locations in Utah. Backyard fruit trees are very common in Utah, and producers quickly become attuned to insect and disease pests that can swiftly spoil substantial amounts of fruit. They are typically less aware of the detrimental effect of competing vegetation around fruit trees. This fact sheet describes the nature of vegetation competition and proposes management strategies to reduce or eliminate competition.


Economic Contribution Of Agriculture And Food To Arkansas’ Gross Domestic Product 1997-2020, Leah English, Jennie Popp, Wayne Miller 2021 University of Arkansas, Fayetteville

Economic Contribution Of Agriculture And Food To Arkansas’ Gross Domestic Product 1997-2020, Leah English, Jennie Popp, Wayne Miller

Research Reports and Research Bulletins

Agricultural production, processing, and retail industries are major contributors to Arkansas’ GDP. Agriculture contributes to the state economy through direct agricultural production, value-added processing, and agricultural retail activities. The Agriculture and Food Sector, which is comprised of agricultural production, processing, and retail industries, promotes economic strength through various interactions with other industries. The use of non-agricultural goods and services as inputs into the agricultural sector promotes diversified growth in Arkansas’ economy and thus plays a vital role in maintaining economic stability throughout the state. This report 1) compares the relative size of the Agriculture and Food Sector in Arkansas with ...


Functional Diversity In Blueberries And Their Responses To Extreme Drought, Pratima Pahadi 2021 University of Maine

Functional Diversity In Blueberries And Their Responses To Extreme Drought, Pratima Pahadi

Electronic Theses and Dissertations

Climate change is expected to lead to novel climate conditions with an increase in frequency and severity of drought across many places around the globe including the north-eastern (NE) United States. Therefore, experimental studies that test the impacts of changing environmental conditions over long time scales or experimental studies that mimic these conditions are crucial to understand the potential impact on crops in this region. Wild lowbush blueberries and highbush blueberries are two important crops in NE USA. In this study, the leaf functional, structural, nutrient traits across genotypes of wild blueberries (Vaccinium angustifolium and V. myrtilloides) at Blueberry Hill ...


The Role Of Red Raspberry (Rubus Idaeus) On Inflammation, Lipid Metabolism, And Endothelial Dysfunction As Related To The Metabolic Syndrome, Natalie VandenAkker 2021 University of Maine

The Role Of Red Raspberry (Rubus Idaeus) On Inflammation, Lipid Metabolism, And Endothelial Dysfunction As Related To The Metabolic Syndrome, Natalie Vandenakker

Electronic Theses and Dissertations

Metabolic syndrome (MetS) is major public health concern. Diet can play a major role in the prevention and/or progression of the MetS. At 8 weeks of age, male obese Zucker rat (OZR) and their lean littermates (LZR) were placed on a control or an 8% w/w whole red raspberry (WRR)-enriched diet for 8 weeks. Circulating levels of inflammatory cytokines and their gene expression in the liver and adipose tissue were evaluated. Several lipid markers were measured in the plasma, liver and adipose tissue. The expression of eight genes related to lipid metabolism were evaluated, both in liver ...


Primary Industries Development Research Highlights 2021, Department of Primary Industries and Regional Development, Tim Scanlon 2021 DPIRD

Primary Industries Development Research Highlights 2021, Department Of Primary Industries And Regional Development, Tim Scanlon

Books & book chapters

The Primary Industries Development Research Highlights 2021 showcases the breadth and depth of the Department of Primary Industries and Regional Development’s research and development activities over the past several years.

Stories featured in Research Highlights 2021 stem from about 60 (of 140) current and recently-completed projects undertaken by the Department of Primary Industries and Regional Development’s (DPIRD) 1100 scientists, technical experts and economists throughout the State.

Explore our Research Highlights 2021.

The publication demonstrates the innovative and applicable research that DPIRD and its collaborators and investment partners deliver to Western Australia.

Download the Research Highlights 2021 here. Alternatively ...


Identification Of Qtls For Berry Acids And Sugar In A Vitis Aestivalis-Derived 'Norton'-Based Population, Karlene Louise Negus 2021 Missouri State University

Identification Of Qtls For Berry Acids And Sugar In A Vitis Aestivalis-Derived 'Norton'-Based Population, Karlene Louise Negus

MSU Graduate Theses

Acidity and sugar content are among the grape berry quality traits that influence wine quality. Despite advantageous environmental tolerances of Vitis aestivalis-derived ‘Norton’, its acid and sugar concentrations often deviate from expectations set for V. vinifera. Identification of the genetic determinants of malic acid, tartaric acid, pH, and total soluble solids (TSS) can assist in the improvement of new hybrid cultivars. For this purpose, a ‘Norton’ and V. vinifera ‘Cabernet Sauvignon’ hybrid mapping population containing 223 individuals was used to construct a linkage map containing 384 simple sequence repeat (SSR) and 2084 genotyping-by-sequencing (GBS)-derived single nucleotide polymorphism (SNP ...


Barrenador Grande Del Durazno, Marion Murray, Diane G. Alston, Celina Wille 2021 Utah State University

Barrenador Grande Del Durazno, Marion Murray, Diane G. Alston, Celina Wille

All Current Publications

El barrenador grande del durazno (orden Lepidóptera, familia Sesiidae) es originario de América del Norte, donde las cerezas y ciruelas silvestres son sus huéspedes nativos. Es una plaga esporádica en los frutales de hueso o carozo de Utah, pero si no se controla, puede ser lo suficientemente grave como para causar la pérdida del árbol.


Nocturnal Pollination In Fruit Agriculture, Stephen Robertson 2021 University of Arkansas, Fayetteville

Nocturnal Pollination In Fruit Agriculture, Stephen Robertson

Graduate Theses and Dissertations

Insect pollination in agriculture provides as much as 35% of the global food supply and contributes hundreds of billions of dollars to the global economy each year. In the past 30 years, reports of declining populations of managed and wild bees, notably the western honey bee (Apis mellifera) and a wide array of bumble bees (Bombus spp.), have raised concerns about the stability and outlook of agriculture. At the same time, agricultural dependence on insect pollinators is increasing as greater percentages of land being converted to pollinator-dependent crops, such as soy and oil palm, than pollinator-independent crops, such as grains ...


Effect Of Harvest Time On The Incidence Of Red Drupelet Reversion And Development Of Tetraploid Linkage Maps In Blackberry, Mitchell E. Armour 2021 University of Arkansas, Fayetteville

Effect Of Harvest Time On The Incidence Of Red Drupelet Reversion And Development Of Tetraploid Linkage Maps In Blackberry, Mitchell E. Armour

Graduate Theses and Dissertations

The cultivated eastern U.S. blackberry (Rubus L. subgenus Rubus Watson) has gone through tremendous strides in both trait improvement and market outreach at the University of Arkansas System Division of Agriculture (UA System). What began as primarily a pick-your-own local fruit found mostly in the wild, has become a commercialized year-round product in most major U.S. grocery retailers. This could not have been achieved without decades of diligent breeding efforts. Although the genetic improvement of fresh-market blackberries has advanced, there are still issues that need to be addressed. One issue is the prevalence of red drupelet reversion (RDR ...


1h-Cyclopropabenzene And 1h-Cyclopropa[B]Naphthalene Fumigation Suppresses Climacteric Ethylene And Respiration Rates And Modulates Fruit Quality In Long-Term Controlled Atmosphere-Stored ‘Gold Rush’ Pear Fruit, Vijay Yadav Tokala, Zora Singh, Poe Nandar Kyaw 2021 Edith Cowan University

1h-Cyclopropabenzene And 1h-Cyclopropa[B]Naphthalene Fumigation Suppresses Climacteric Ethylene And Respiration Rates And Modulates Fruit Quality In Long-Term Controlled Atmosphere-Stored ‘Gold Rush’ Pear Fruit, Vijay Yadav Tokala, Zora Singh, Poe Nandar Kyaw

Research outputs 2014 to 2021

‘Gold Rush’ pear (Pyrus communis L.) is a russet-coloured fruit with soft buttery textured flesh and is gaining wide popularity in Australia and other countries along with other pear cultivars. The fruit are sensitive to ethylene, and exposure even at very low concentrations significantly reduces the storage duration as well as fruit quality during storage. The efficacy of two new ethylene antagonist compounds, namely, 1H-cyclopropabenzene (BC) and 1H-cyclopropa[b]naphthalene (NC), as well as 1-methylcyclopropene (1-MCP) in regulating ethylene production, respiration rates and maintaining the fruit quality of ‘Gold Rush' pear during 150 d and 200 d of controlled atmosphere ...


Characterization, Incidence, And Epidemiology Of Two Novel Strawberry Rhabdoviruses, Ava Wait 2021 University of Arkansas, Fayetteville

Characterization, Incidence, And Epidemiology Of Two Novel Strawberry Rhabdoviruses, Ava Wait

Graduate Theses and Dissertations

Strawberry is the most important berry crop, grown in most temperate regions around the world. In the early 2000s and in 2012-2013, viral disease devastated strawberry production in California and Florida respectively; causing multimillion dollar losses. This occurred because viruses were moving in the field undetected. The modern strawberry (Fragaria x ananassa Duch.) is tolerant to single and double infections; yet when several viruses infect plants, symptoms as severe as plant death can occur. To prevent future epidemics, the use of virus-tested planting materials is essential. In 2019, rhabdovirus-like sequences were detected in strawberry using a combination of high-throughput sequencing ...


Seed Rain–Successional Feedbacks In Wet Tropical Forests, Nohemi Huanca Nuñez, Robin L. Chazdon, Sabrina E. Russo 2021 University of Nebraska - Lincoln

Seed Rain–Successional Feedbacks In Wet Tropical Forests, Nohemi Huanca Nuñez, Robin L. Chazdon, Sabrina E. Russo

Faculty Publications in the Biological Sciences

Abstract

Tropical forest regeneration after abandonment of former agricultural land depends critically on the input of tree seeds, yet seed dispersal is increasingly disrupted in contemporary human-modified landscapes. Here, we introduce the concept of seed rain–successional feedbacks as a deterministic process in which seed rain is shaped by successional dynamics internal to a forest site and that acts to reinforce priority effects. We used a combination of time series and chronosequence approaches to investigate how the quantity and taxonomic and functional composition of seed rain change during succession and to evaluate the strength of seed rain–successional feedbacks, relative ...


Genetic Diversity Of Purple Passion Fruit, Passiflora Edulis F. Edulis, Based On Single-Nucleotide Polymorphism Markers Discovered Through Genotyping By Sequencing, Nohra Cecilia Rodriguez Castillo, Xingbo Wu, María Isabel Chacón, Luz Marina Melgarejo, Matthew Wohlgemuth Blair 2021 Universidad Nacional de Colombia, Universidad Pedagógica y Tecnológica de Colombia

Genetic Diversity Of Purple Passion Fruit, Passiflora Edulis F. Edulis, Based On Single-Nucleotide Polymorphism Markers Discovered Through Genotyping By Sequencing, Nohra Cecilia Rodriguez Castillo, Xingbo Wu, María Isabel Chacón, Luz Marina Melgarejo, Matthew Wohlgemuth Blair

Agricultural and Environmental Sciences Faculty Research

Orphan crops, which include many of the tropical fruit species used in the juice industry, lack genomic resources and breeding efforts. Typical of this dilemma is the lack of commercial cultivars of purple passion fruit, Passiflora edulis f. edulis, and of information on the genetic resources of its substantial semiwild gene pool. In this study, we develop single-nucleotide polymorphism (SNP) markers for the species and show that the genetic diversity of this fruit crop has been reduced because of selection for cultivated genotypes compared to the semiwild landraces in its center of diversity. A specific objective of the present study ...


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