Agriculture Commons^™

Landscape Influences And Preventive Management For Drosophila Suzukii In Small Fruit Crops, Ryan William Kuesel

Theses and Dissertations--Entomology

Small fruit production has been greatly challenged by the repeated invasion of non-native arthropod pests, impacting economic feasibility, and increasing the need for insecticides. Spotted wing drosophila (Drosophila suzukii (Matsumura)) is the most recent invasive pest of small fruits. It causes damage by ovipositing beneath the skin of ripening fruits. Its wide-spread distribution and development of resistance to insecticides has resulted in the need for improved alternative management strategies for small fruit growers.

My surveys of D. suzukii at thirteen blackberry (Rubus fruticosus L.) and raspberry (Rubus idaeus L.) fields found that while D. suzukii was present …

Ecological Risk Assessment Of Transgenic Conditional Lethality Systems For Genetic Biocontrol Strategies, Fernan Rodrigo Perez-Galvez

Theses and Dissertations--Entomology

Genetic strategies of insect pest control are receiving increased interest due to recent advances in genetic engineering. By introducing alleles that make males functionally sterile, genetically modified (GM) insects can be used in area-wide pest management programs similar to the Sterile Insect Technique (SIT). Genetic control strategies carry several potential benefits, including improved efficacy and specificity, lower operation costs, and reduced dependence on chemical insecticides, but their use is still controversial despite extensive technical documentation indicating their innocuity to humans and the environment. This hesitation is likely due to the novel nature of the approach.

While the first field applications …

Insight Into The Role Of Melatonin In Mitigating Chilling Injury And Maintaining The Quality Of Cold-Stored Fruits And Vegetables, Hafiz Muhammad Shoaib Shah, Zora Singh, Eben Afrifa-Yamoah, Mahmood Ul Hasan, Jashanpreet Kaur, Andrew Woodward

Research outputs 2022 to 2026

Chilling injury (CI) causes significant losses in fruits and vegetables during cold storage. CI symptoms exhibited as browning, off-flavour and sunken spots, reduced juice content, uneven ripening and softening in fresh horticultural produce. Application of melatonin (MT) effectively mitigates CI in cold-stored fruits and vegetables. This comprehensive review focuses at discussing symptoms, the mechanism of CI, regulation of melatonin-mediated chilling tolerance, and meta-analysis of CI reduction in horticultural produce. Melatonin mitigates CI, maintains quality of cold-stored horticultural produce by upregulating early hydrogen peroxide signalling, activities of antioxidant enzymes after inhibition of reactive oxygen species (ROS) accumulation, mitochondrial dysfunction, and membrane …

A Synthetic Wheat L-System To Accurately Detect And Visualise Wheat Head Anomalies, Chris C. Napier, David M. Cook, Leisa Armstrong, Dean Diepeveen

Research outputs 2022 to 2026

Greater knowledge of wheat crop phenology and growth and improvements in measurement are beneficial to wheat agronomy and productivity. This is constrained by a lack of public plant datasets. Collecting plant data is expensive and time consuming and methods to augment this with synthetic data could address this issue. This paper describes a cost-effective and accurate Synthetic Wheat dataset which has been created by a novel L-system, based on technological advances in cameras and deep learning. The dataset images have been automatically created, categorised, masked and labelled, and used to successfully train a synthetic neural network. This network has been …

Location Of The Fibronectin Binding Domain On The Fibronectin Attachment Protein Of Mycobacterium Avium Subsp. Paratuberculosis, Chrissy Rose Hattery

All Graduate Theses, Dissertations, and Other Capstone Projects

Mycobacterium avium paratuberculosis (MAP) is an acid-fast bacillus that causes a fatal granulomatous ileocolitis called Johne’s Disease that affects primarily ruminants. The impact of MAP infection in the US dairy industry is particularly severe, with up to 70.4% of the herds being infected and annual losses as high as $1.5 billion. MAP is capable of persisting for months in the livestock environment and surviving the pasteurization process. While several vaccines are available, none can prevent infection and treatment with antimycobacterial chemotherapy does not result in a cure. Management and control of MAP infection requires characterization of host-pathogen interaction at the …

Preliminary Studies On The Effect Of Nanoparticle Seed Treatments On Seed Quality Attributes And Yield In Chickpea, Sushma Mudlupura Kumar, Shiv Yadav, Sangita Yadav, Ravish Choudhary, Sandeep Lal, Chellapilla Bharadwaj, Zakir Hussain, Priya Ranjan Kumar

Turkish Journal of Agriculture and Forestry

Nanotechnology is a novel and emerging approach that can be utilized in the agriculture sector for biotic and abiotic stress management, disease detection, and nutrient absorption. Various metal oxide nanoparticles such as zinc, titanium, silicon oxides were found to have a positive effect on seed quality attributes in various crops. Therefore, a study was carried out on chickpea (Cicer arietinum L.) with the objective to study the effect of nanoparticles on seed quality attributes including germination, seedling growth, vigour and yield. The seeds were dressed and infused with each of nano and bulk forms of zinc oxide, titanium oxide, …

Experimental Design Of Open-Field Temperature And Precipitation Manipulation System To Simulate Summer Extreme Climate Events For Plants And Soils, Gwang Jung Kim, Heejae Jo, Hyeonji Kim, Min Seok Cho, Nam-Jin Noh, Hanna Chang, Hyung-Sub Kim, Yowhan Son

Turkish Journal of Agriculture and Forestry

Extreme climate events are expected to occur very frequently and intensively with climate change, and such extreme events can induce irreversible damage to plants and soils, as well as ecosystems. Accordingly, there is a need to understand the effects of extreme climate events on ecosystems. Here, we designed a temperature and precipitation manipulation system to simulate extreme climate events of heat, drought, and heavy rainfall. We constructed three soil surface temperature manipulation levels (control, 3 °C, and 6 °C increases) and three precipitation manipulation levels (control, drought, and heavy rainfall) with six replicates, and operated these from day of year …

Phytochemical Potential And Associated Health Benefits Of Cucurbita Flower, Arya Gargi, Jyoti Singh, Prasad Rasane, Sawinder Kaur, Jaspreet Kaur, Chandra Mohan Mehta, Yogesh Gat, Ravish Choudhary

Turkish Journal of Agriculture and Forestry

Edible flowers are currently gaining popularity as the majority of the edible flower species have a nutritional profile that meets several dietary demands and the consumption of flowers as part of customary cuisine or alternative alchemy is reported in various cultures around the world. Pumpkin flowers are primarily consumed in some Asian and North American countries like India, China, Bangladesh, and Mexico, respectively. The pumpkin plant has served medicinally worldwide by treating wounds, cardiovascular disease, several types of cancers, gastrointestinal diseases, anemia, urinary tract infections and intestinal parasites, however, its flowers among the same line have also been therapeutically used …

Actinidia Deliciosa: A High-Resolution Mass Spectrometric Approach For The Comprehensive Characterization Of Bioactive Compounds, Mayya Razgonova, Alexsander Boyko, Yulia Zinchenko, Nadezhda Tikhonova, Andrey Sabitov, Alexander Mikhailovich Zakharenko, Kirill Golokhvast

Turkish Journal of Agriculture and Forestry

Actinidia deliciosa (A. Chev.) C.F. Liang & A.R& Ferguson, 1984 contains a large number of target analytes, which are biologically active compounds. HPLC-ion trap-MS/MS (tandem mass spectrometry) was used to identify target analytes in extracts of A. deliciosa (varieties Abbot, Alison, Bruno, Hayward, Monti), originating from the Adler's Branch of N.I. Vavilov All-Russian Institute of Plant Genetic Resources. Separately, the pulp of the kiwi fruit and its peel were analyzed for the composition of biologically active substances. The richest in the composition of active substances was indicators of the cultivar Monti. The results of initial studies revealed the presence of …

Production And Oenological Potential Of Riesling Variety Clones 49, 1091 And 1089, Tatjana Jovanovic-Cvetkovic, Rada Grbic, Borut Bosancic, Miljan Cvetkovic

Turkish Journal of Agriculture and Forestry

Clonal selection in viticulture is based on genetic variability with the aim of creating superior plants (clones) that enable more economical production. The Riesling variety, with a long tradition of cultivation, has been the subject of extensive clonal selection and clones 49, 1089 and 1091 were created in France. During the two-year period (2016-2017), the productivity and oenological potential of Riesling clones 49, 1089 and 1091 in the agroclimatic conditions of Bosnia and Herzegovina were conducted. Significant differences between clones were found in the yield per vine (1.34-1.87 kg), ten skins weight (2.17-2.46 g) and mass of ten berries seeds …

Study On The Effect Of Planting Pattern Adjustment On The Growth Of Kiwifruit Inter-Root Microorganisms And Fruit Quality, Haibo Wu, Lianchun Wang, Linan Kang, Chao Liu, Mingwei Li

Turkish Journal of Agriculture and Forestry

As the area planted with kiwifruit continues to expand, monoculture continuous cropping is gradually becoming the main mode of its production. However, current kiwifruit soils suffer from nutrient deficiencies and increased toxicity of their own, which are harmful to their yield and quality. The study proposes a kiwifruit-maize intercrop as a starting point for adjusting the cropping pattern. It was then analysed in terms of basic soil physicochemical properties, sucrose enzyme activity, microbial species, and quantity, respectively, and compared with the kiwifruit intercropping method to verify its effect on inter-root microorganisms and fruit quality. The experimental outcomes demonstrated that the …

Assessment Of The Spatiotemporal Changes In The Extreme Precipitation Climate Indices Over The Chungcheong Region Of South Korea During 1973–2020, Hyungon Cho, Bashir Adelodun, Hyo-Jeong Kim, Gwangseob Kim

Arusha Climate and Environmental Research Centre

This study analyzed the changes and trends in twelve extreme precipitation-based climate indices obtained using daily data from 10 synoptic stations in the Chungcheong region of South Korea during the 1973–2020 period. The climate indices were used to assess the trends in the extreme precipitation characteristics of duration, frequency, and intensity using the innovative trend analysis (ITA) method. The results of the ITA were further compared with two other non-parametric test methods such as Mann–Kendall (MK) and Spearman’s rho (SR). The results showed that most stations exhibited significant increasing trends in all the investigated climate indices at a 95% confidence …

Effects Of Fungicide Programs And Lower Leaf Removal On Wrapper Leaf Production In Connecticut Broadleaf Cigar Wrapper Tobacco, Caleb Haygan Perkins

Theses and Dissertations--Plant and Soil Sciences

In recent years, there has been increased demand for natural leaf cigar wrappers. Kentucky and Tennessee have been of recent interest as a new area for Connecticut Broadleaf production. Initial production experiences have shown that late-season frogeye leaf spot caused by the pathogen Cercospora nicotianae Ellis & Everh. may result in ‘green spot’ in cured leaf and cause a significant problem for producers of Connecticut Broadleaf cigar wrapper tobacco. Field trials were established in 2021 at Princeton, KY and 2022 in Mayfield, KY and Springfield, TN to evaluate effects of fungicide programs and lower leaf removal on wrapper production and …

Species-Specific Microsymbiont Discrimination Mediated By A Medicago Receptor Kinase, Xiaocheng Yu

Theses and Dissertations--Plant and Soil Sciences

Legumes form a mutualistic partnership with nitrogen-fixing bacteria to meet their nitrogen requirements. This collaboration leads to the development of root nodules, offering an ideal environment for the bacteria to convert atmospheric nitrogen into ammonia. A salient aspect of this symbiotic relationship is host range specificity, such that nodulation capacity and nitrogen fixation efficiency differ significantly between different host-bacterial combinations. Understanding the genetic basis of this specificity could pave the way for strategies to overcome the host range barrier. Sinorhizobium meliloti and Sinorhizobium medicae are two closely related species that display differential symbiotic behaviors with legume plants of the Medicago …

Wa Insecticide Guide 2023 - Winter Spring, Rebecca Severtson, Alan Lord

PestFacts WA

Registered chemicals for broadacre crops in Western Australia.

The insecticides listed in the tables within this guide can be used on any crop appearing on the chemical label, if the rate used does not exceed the highest rate that is registered for use on that crop.

There are many products with different trade names that contain the same active ingredient. This list is not exhaustive and does not imply any specific recommendations of brand names.

Unless otherwise specified all insecticides listed are emulsifiable concentrate (EC). Insecticides with SC are suspension concentrate, WP is wettable powder, CS is capsule suspension, WG …

Implications Of An Exogenous Shock (Covid-19) On Wine Tourism Business: A Portuguese Winery Perspective, Alexandre Guedes, Britta Niklas, Robin M. Back, Joao Rebelo

Faculty Scholarship and Creative Works

This study investigates the impact of an exogenous and unexpected shock (COVID-19) on the wine tourism business from the winery's perspective. A sample of 146 Portuguese wineries was surveyed. The econometric results show that the share of wine tourism sales, the amount of dependence on exports and the assertiveness of brand recognition have a structural effect on direct-to-consumer tasting room wine sales, even when the winery's business is disrupted by a shock that degrades the dynamics and flows of international trade. The research establishes a starting point that allows to understand the implications of an exogenous shock on the structure …

Farmer And Community Perceptions Of The New Rural Land Reform Policy Impacts In Henan Province, China, Lian Huijie, Agnes C. Rola, Vella A. Atienza, John Enrinorio M. Perez, Ferdinand C. Maquito, Merylyne M. Paunlagui

Journal of Public Affairs and Development

The household contract responsibility system which was the land reform policy from 1978 to 2008 in China revealed shortcomings in terms of its goals. This system veers away from the commune system (1958 -1978) and endows land use and management responsibility to households. The New Rural Land Reform Policy that started in 2008 aims to create a more market led policy and it captured adjustments to correct these shortcomings. This New Rural Land Reform Policy signals a significant policy change. This paper uses Lewin's change theory as a framework and Henan province in China as a case to determine the …

Ascophyllum Nodosum Seaweed Extract Application As A Possible Mechanism For Mitigating Salt Stress In Soybeans (Glycine Max), Elena Hoang

Honors Program Theses

Soil salinity, an abiotic stressor associated with climate change effects, inhibits the normal growth and development of sensitive crop species. The excessive accumulation of salt ions in plant tissue induces oxidative stress, which is characterized by an increased production of reactive oxygen species (ROS) damaging plant organelles and disrupting normal metabolic functions. Seaweed extracts (SWE) may be a solution for mitigating the effects of salt stress on crop yield and quality, as they introduce bioactive ingredients that are able to regulate gene expression and enhance natural physiological processes in plants. However, the positive benefits of SWE applications differ between plant …

Sun Exposure And Protective Behaviors Among U.S. Hispanic Farmworkers, Claudia Marie Delgado Cebollero

Walden Dissertations and Doctoral Studies

Sun exposure increases the risk of sun-related illnesses and skin cancer among U.S. Hispanic farmworkers. Reinforced by the health belief model, the purpose of this study was to determine the association between socio-demographic factors (i.e., age, educational attainment, gender, income, and marital status) and skin cancer with the level of sun exposure (sun’s effect on skin, sunburn reported) and protective behaviors (use of cap/visor, use of sunscreen) among adult Hispanic farmworkers in the United States. The study included Hispanic farmworkers aged 21 or older (N = 112) who responded to the 2015 National Health Interview Survey. Ordinal logistic regression showed …

Impacts Of Temperature And Salt Concentrations For Thermal Inactivation Of Salmonella In Moisture Enhanced Reconstructed Chicken Patties, Alik D. Browning

Graduate Theses, Dissertations, and Problem Reports (ETD)

The purpose of this experiment is to determine the thermal kinetic parameters of Salmonella in moisture-enhanced, reconstructed ground chicken patties as affected by temperatures and salt concentrations. Salmonella is responsible for 35% of the foodborne illnesses associated with poultry products (Batz et al., 2011). Nonintact reconstructed chicken meat is mixed with brine solutions containing various salt and polyphosphate concentrations to increase water-holding capacity, decrease cooking losses, improve sensory tasting scores, and maintain the good quality of completed chicken products (Gill et al., 2004). Increasing salt concentrations within meats can increase the thermal inactivation of pathogens. In this study, Salmonella Typhimurium …

Development Of A Framework To Support Community-Scale Nutrient Recovery For Local Crop Fertilization And Production, Scott A. Lopez

Graduate Theses, Dissertations, and Problem Reports (ETD)

Nutrient and resource recovery (NRR) has become increasingly crucial as regions face deteriorating sanitation infrastructures, limited support, and growing environmental challenges. Implementing region-specific NRR technologies and systems could provide effective circular economy insights into addressing these challenges. Because of the multidisciplinary challenges associated with the design and implementation of NRR strategies, various government and local decision-makers need to collaborate effectively in the decision-making process. Structured decision-making (SDM) methodologies are practical when determining the most appropriate NRR strategy for nutrient-rich waste streams. However, applications of computational SDM limited because of the vast amounts of data that are needed to analyze the …

Investigating The Potential For Industrial Dairy Farms To Move Towards Sustainability In Western Michigan, Kendra Kay Slater, Rebecca Williams

Student Summer Scholars Manuscripts

Industrial dairy farms, also referred to as concentrated animal feeding operations (CAFOS) or factory farms, are often known for the negative effects they have on the environment and animals. However, these farms are the backbone of our food systems supplying 99% of our dairy and meat in the United States. In this qualitative case study, we conduct in-depth interviews and farm transect walks with five industrial dairy farmers in Western Michigan to examine how they view and define sustainability, how they incorporate sustainable practices on their farms, and what they perceive as the barriers to industrial dairy sustainability. To analyze …

Strawberry Production In An Elevated Bench Growing System Inside A High Tunnel In Southern Indiana, Wenjing Guan, Dean Haseman, Laura Ingwell, Samantha Willden, Dan Egel

Midwest Vegetable Trial Reports

Objective of this study is to evaluate the performance of eight strawberry cultivars grown in an elevated bench system. Yield and quality parameters were measured. This report also includes a discussion on production challenges and economic considerations of this production system.

First Draft Genome And Transcriptome Of Cercosporidium Personatum, Causal Agent Of Late Leaf Spot Disease Of Peanut, Renee Arias, John T. Dobbs, Jane E. Stewart, Emily G. Cantonwine, Valerie A. Omer, Victor S. Sobolev, Marshall C. Lamb, Alicia Massa

United States Department of Agriculture-Agricultural Research Service / University of Nebraska-Lincoln: Faculty Publications

Objective Two main fungal leaf spot diseases occur in peanut, namely early leaf spot (ELS) and late leaf spot (LLS), these cause a yearly average of $44 million losses. Limited genetic information, 3534 bp of sequencing, exists about the causal agent of LLS, Cercosporidium personatum (syn. Nothopassalora personata, syn. Phaeoisariopsis personata). The extremely slow growth of this fungus, approximately 1 cm colony in 6 months, and challenges in nucleic acid extractions have hindered research on LLS. Our goal in this work is to provide a reference genome for research on this pathogen.

Results Whole genome and transcriptome sequencing of the …

Wa Insecticide Guide 2023 - Autumn Winter, Svetlana Micic, Alan Lord

PestFacts WA

Registered chemicals for broadacre crops in Western Australia.

The pesticides listed in the tables within this guide can be used on any crop appearing on the chemical label, if the rate used does not exceed the highest rate that is registered for use on that crop.

There are many products with different trade names that contain the same active ingredient. This list is not exhaustive and does not imply any specific recommendations of brand names.

Unless otherwise specified all insecticides listed are emulsifiable concentrate (EC). Insecticides with SC are suspension concentrate, WP is wettable powder, CS is capsule suspension, WG …

2023 Weed Science Research Report – Gold Section, Ndsu Weed Science, Dept. Of Plant Sciences

Plant Sciences Weed Science Reports

The Weed Science team at North Dakota State University conduct field research in the State of North Dakota. This specific document reports on field research conducted in 2023. It includes work on sugarbeet and the management of several weeds in North Dakota.

Land Systems, Soils And Vegetation Of The Southern Goldfields And Great Western Woodlands Of Western Australia - Volume 2, Peter-Jon A. Waddell, Paul Galloway

Technical Bulletins

This technical bulletin defines and maps the land resources of the southern Goldfields region of Western Australia (WA). The southern Goldfields region, as featured in this bulletin, covers 151,753 km². The western and eastern borders are variable because they align with various cadastral boundaries. The western survey border, which in part follows the WA State Barrier Fence, demarcates cleared agricultural land from the intact, western extent of the Great Western Woodlands. The eastern border abuts the westernmost Nullarbor pastoral lease boundaries, except for the north-easternmost and south-easternmost edges which continue into Crown land. Major towns are Coolgardie, Kalgoorlie …

Improving Baking Quality Of Soft Red Winter Wheat In Kentucky Through Breeding And Sulfur-Nitrogen Fertility Management, Maria Paula Castellari

Theses and Dissertations--Plant and Soil Sciences

Soft Red Winter (SRW) wheat is an important crop grown on about 400,000 acres in Kentucky as a pivotal cash crop in the 3-crops-in-2-years rotation of corn, wheat, and soybean. The humid environment of Kentucky generates a high yielding wheat crop, with low protein concentration and weak gluten strength. This wheat is mainly sold to millers and used by the industry for cakes, pastries, cookies, and crackers. Conversely, there is a rapidly growing interest in identifying other value-added markets for this wheat different to commodity commercialization, such as artisan-baked goods and craft-distilled beverages. Evaluating the quality characteristics of wheat grown …

Comparison Of Botanical Composition Methods And Change Over Time In Kentucky Pastures, Echo Elizabeth Gotsick

Theses and Dissertations--Plant and Soil Sciences

Botanical composition of pastures has been measured with numerous methods over the last century, but there have been limited direct comparisons between methods. The objective of this study was to compare botanical composition methods, to determine the most accurate and efficient method, and to access pasture composition change over time. Six farms with two pastures each were monitored across the state of Kentucky. Sampling occurred fall 2020 through fall 2022, three times a year using the following methods: step point, visual estimation, occupancy grid, and point quadrat (used as a reference method). The occupancy grid showed the highest similarity to …

A Graduate-Level Field Course In Irrigation And Agricultural Water Management For An Immersive Learning Experience, Derek M. Heeren, László G. Hayde, Dean Eisenhauer, Peter G. Mccornick, Ali T. Mohammed, Aaron R. Mittelstet, Alan L. Boldt, Xin Qiao, David Mabie, Francisco Muñoz-Arriola

Department of Agricultural and Biological Systems Engineering: Faculty Publications

Effective irrigation and agricultural water management (IAWM) is critical for food security and water security. A key requirement in designing, implementing and operation of IWM is the necessary knowledge and capacity on the farm, in the service industry and within the supply chain. Educational opportunities that not only teach the relevant principles of irrigated agriculture, but also the necessary applied skills are essential. An Irrigation Field Course was initiated by the IHE Delft Institute for Water Education (IHE Delft) and was later developed as a joint field course with IHE Delft, the University of Nebraska-Lincoln (UNL), and the Daugherty Water …