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2019

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Effects Of Resistant Starch Type 4 On Gut Microbiota Derived Medium And Long Chain Fatty Acids And Bile Acids, Elizabeth Nagel Jan 2019

Effects Of Resistant Starch Type 4 On Gut Microbiota Derived Medium And Long Chain Fatty Acids And Bile Acids, Elizabeth Nagel

Electronic Theses and Dissertations

The human gastrointestinal tract is populated by a diverse and mutualistic microbial flora that has profound effect on human health. Identification and characterization of microbial-metabolites produced in response to human dietary intakes may provide insights into host-microbiota interactions to better understand the role of the microbiota in human health and diseases. However, much of this interaction is poorly understood as many metabolites remain unidentified or understudied at the present time. Starch is ubiquitously present in human diet and is a major energy source to all living cells. Resistant starch (RS) is the starch portion that is not absorbed in the …


Isolation And Identification Of Potential Bioinoculants Based On Phosphate Solubilizing And Plant Growth Promoting Benefits, Rachel Raths Jan 2019

Isolation And Identification Of Potential Bioinoculants Based On Phosphate Solubilizing And Plant Growth Promoting Benefits, Rachel Raths

Electronic Theses and Dissertations

Conservative models have shown that as populations rise, food production needs to double by 2050. Population increase and the green revolution have caused fertilizer inputs to increase since the 1960’s, increasing environmental issues and production costs. These intensive practices have led to degraded arable land and there has been an increase in urbanization meaning we need to make best use of the farming land that is available and ensure it is sustainable for future food production. Due to this, there has been a higher demand for research on more environmentally and economically friendly approaches to food production. Plant growth promoting …


Investigation Of Intergroup Bias In Two Neuromaturationally Distinct Age Cohorts: An Erp Study, Reuven M. Hanna Jan 2019

Investigation Of Intergroup Bias In Two Neuromaturationally Distinct Age Cohorts: An Erp Study, Reuven M. Hanna

Electronic Theses and Dissertations

Currently, sociological investigation of adolescent behavior focuses on the intersection of biography, history, and structure to explain adolescent risk-taking, reward-seeking, impulsivity, novelty-seeking and peer-salience. However, the preponderance of the evidence points away from social ecology and to a significant neuromaturational restructuring event between the 12th and 25th years of life as the root of adolescent behavioral tendencies. As a result, sociological social psychology can benefit from engaging in basic research using neuroscience methods. The present study expands the dual systems model of brain development to account for maturational changes in the social brain network as a way to explain social …


Model School Wellness Policies: Opportunities For Improvement, Maty Skinner Jan 2019

Model School Wellness Policies: Opportunities For Improvement, Maty Skinner

Electronic Theses and Dissertations

Schools that participate in the US Child Nutrition program are required to have a wellness policy. Many state agencies provide model wellness policies to aid schools in writing wellness policies. However, use of model wellness policies has not been associated with higher quality policies. PURPOSE: Assess the strength and comprehensiveness of model wellness policies and to determine if federal regulations are more likely to be included in model wellness policies than evidence-based, best-practices that are not required per federal regulation. METHODS: Model wellness policies available online through state agency websites in January 2019 were analyzed for comprehensiveness and strength using …


Hydrodynamic Cavitation As In-Line Process To Control Common Dairy Sporeformers, Pratibha Chaudhary Jan 2019

Hydrodynamic Cavitation As In-Line Process To Control Common Dairy Sporeformers, Pratibha Chaudhary

Electronic Theses and Dissertations

Sporeforming bacteria and their endospores have the ability to survive thermal treatments and proliferate in the milk and dairy products to cause spoilages. We applied the effect of hydrodynamic cavitation in controlling these bacteria and their spores at pilot scale level. Our aim was to investigate a technology that would improve the microbial quality of milk and dairy products, and is capable of being scaled up to be adapted at industrial level. Cavitation damages the cell walls of the bacteria and their endospores (releasing dipicolinic acid, responsible for endospore resistance to extreme conditions), thereby making them susceptible to thermal treatments …


Comparing Gut Microbiome And Virome In The Breast Milk- And Formula-Fed Late Preterm Infants, Zyi Wang Jan 2019

Comparing Gut Microbiome And Virome In The Breast Milk- And Formula-Fed Late Preterm Infants, Zyi Wang

Electronic Theses and Dissertations

The neonatal intestinal microbiome consists of all microorganisms in the gut. Although the microbiome is critical to human health and disease, its colonization remains incompletely understood, particularly in the preterm infant. We aimed to characterize the intestinal bacteria microbiome and virome in moderate-to-late preterm infants. We hypothesized that the bacteria microbiome and virome differs between breast milk and formula-fed infants. We collected stool samples from twenty infants born between 32 0/7 and 36 6/7 weeks gestation. Samples were collected after infants reached full volume enteral feedings. Ten infants were breast milk fed and ten received infant formula. DNA and RNA …


Younger Millennials And Outdoor Recreation: Understanding Outdoor Recreational Pursuits Of Millennial College Students, Jason Mehlhaf Jan 2019

Younger Millennials And Outdoor Recreation: Understanding Outdoor Recreational Pursuits Of Millennial College Students, Jason Mehlhaf

Electronic Theses and Dissertations

Outdoor recreation has been shown through past research to provide numerous benefits to the participant when utilized, but for younger millennials, life’s expectations are pulling them away from participating. If there is a decrease in recreation participation, what will motivate this demographic toward participation in the future? The purpose of this study is to identify younger millennial perceptions, habits, and trends, so that in the future, recreation professionals are able to cater for specifically toward this demographic. Two universities in South Dakota, one public and one private, were surveyed through an online software program, QuestionPro, to a convenience sample from …


Preservice Agricultural Education Majors’ Perceptions Of Integrating Science Into Agriculture, Kasey Trocke Jan 2019

Preservice Agricultural Education Majors’ Perceptions Of Integrating Science Into Agriculture, Kasey Trocke

Electronic Theses and Dissertations

Agricultural science has seen a rise in secondary agricultural classrooms and many studies have been done with regards to integrating science into agriculture. Several recommendations have been to assist preservice agriculture education majors with science integration. Preservice agricultural education majors could influence the future of agricultural science due to their perceptions of integrating science into agriculture into the classroom. The purpose of the study was to assess preservice teachers’ perceptions of integrating science into agriculture curriculum based on the theory of planned behavior. An online survey was administered to the population of agricultural education majors at South Dakota State University. …


Efficacy Of Synthetic And Biopesticides On Bacteria Leaf Streak Management And Influence Of Cultivar And Environment On Epiphytic Bacteria Diversity On Wheat Seeds, Marilen Nampijja Jan 2019

Efficacy Of Synthetic And Biopesticides On Bacteria Leaf Streak Management And Influence Of Cultivar And Environment On Epiphytic Bacteria Diversity On Wheat Seeds, Marilen Nampijja

Electronic Theses and Dissertations

Wheat (Triticum aestivum) is the most important staple food for over two billion people, or 36% of the world population. The United States ranks 4th in the world for wheat production. However, wheat production is faced by both biological and non-biological constraints. Among the biological constraints, diseases play a big role in limiting wheat production with estimated yield losses ranging from 20% to 40%. Bacterial leaf streak (BLS) of wheat caused by Xanthomonas translucens pv undulosa (Xtpvu) is one of the major bacterial diseases affecting the wheat production in most wheat growing regions in the USA. In recent years, it …


Design, Synthesis, And Evaluation Of Gunw-3 As A Brain Targeting Agent, Asim Najmi Jan 2019

Design, Synthesis, And Evaluation Of Gunw-3 As A Brain Targeting Agent, Asim Najmi

Electronic Theses and Dissertations

The blood brain barrier (BBB) is a barrier in the brain that separates the peripheral blood circulation system from the central nerve system (CNS). The barrier effectively protects the brain from xenobiotics. The BBB serves as a physical barrier through the tight junction of endothelial cells that were found to be 50-100 times tighter than that of normal endothelial cells. Different drug efflux pumps such as P-glycoproteins and multidrug-resistance proteins are found to be overdistributed on the BBB. These drug efflux pumps help pump xenobiotics out if they enter the cells and serv as an additional mechanism to prevent xenobiotics …


Differences In Running Mechanics And Tibial Plateau Dimensions Between Overweight/Obese And Healthy Weight Children, Claire Sylvestre Jan 2019

Differences In Running Mechanics And Tibial Plateau Dimensions Between Overweight/Obese And Healthy Weight Children, Claire Sylvestre

Electronic Theses and Dissertations

INTRODUCTION: Overweight and obese (OW/OB) children display increased knee joint loading during running, which may lead to excessive frontal plane motion and moments at the knee joints. The relationship between tibial plateau dimensions and knee vertical loading may explain the loading related injuries OW/OB children experience.
PURPOSE: Compare knee mechanics during running and tibial plateau dimensions between healthy weight (HW) and OW/OB children.
METHODS: Ten HW children and ten OW/OB children aged 9-12 participated in the study. Kinematic and kinetic data were captured as participants ran across a force platform at 3.5m/s. Tibial plateau area and density were collected by …


Evaluation Of Feeding Alternative Feedstuffs Including Hydroponic Barley Sprouts And Carinata Meal To Dairy Cattle, Rhea D. Lawrence Jan 2019

Evaluation Of Feeding Alternative Feedstuffs Including Hydroponic Barley Sprouts And Carinata Meal To Dairy Cattle, Rhea D. Lawrence

Electronic Theses and Dissertations

The purpose of this dissertation research was to examine alternative feed ingredients not typically found in dairy cattle diets. In total, four studies were conducted to evaluate feedstuffs such as hydroponic barley sprouts and carinata meal and how they affect cattle performance. To determine how feeding hydroponic barley sprouts would affect growing dairy heifer and lactating cow performance two feeding studies were conducted. In the first study, inclusion of 14 % (DM basis) hydroponic barley sprouts (HYD) was evaluated in an ad libitum total mixed ration (TMR) compared to a control (CON) diet on dairy heifer performance during a 12 …


Effects Of Increasing Dietary Levels Of Carinata Meal On Feeding Behavior, Performance And Carcass Characteristics Of Beef Growing Steers, Alejandro C. Casella Jan 2019

Effects Of Increasing Dietary Levels Of Carinata Meal On Feeding Behavior, Performance And Carcass Characteristics Of Beef Growing Steers, Alejandro C. Casella

Electronic Theses and Dissertations

The objectives of the present study are to evaluate feeding behavior, animal performance and carcass characteristics of beef growing steers fed increasing amounts of carinata meal (CM). Due to the high protein content of the CM after the oil extraction for biofuel there is an opportunity to use it as a protein supplementation in beef cattle. Twenty-four steers blocked by weight were assigned to four corn-based diets (n = 6 animals per treatment). In the three treatment diets, carinata meal replaced high-moisture corn at 5, 10, or 15%. The diets were fed using the Insentec RIC system for 138 days. …


Nutritional Transporter Mediated Drug Delivery For Cancer, Siddharth S. Kesharwani Jan 2019

Nutritional Transporter Mediated Drug Delivery For Cancer, Siddharth S. Kesharwani

Electronic Theses and Dissertations

Recent advancements in nanotechnology have unfolded novel opportunities in medicine, especially in targeted therapeutics and imaging for cancer. However, the majority of the existing nanotechnologies for cancer suffer from shortcomings such as (i) rapid elimination from the systemic circulation before reaching the cancer tissue. (ii) poor tumor accumulation, targeting, and penetration due to inadequate vasculature and extensive extracellular matrix in the tumor. Thus, overcoming these two limitations of nanotechnology is of considerable interests for cancer researchers. In this dissertation, we demonstrate the feasibility of glucose-modified nanoparticles (GLU-NPs) as an efficient cancer targeted-delivery system for enhancing the systemic circulation time and …


Application Of Analytical Techniques In Food Product Development, Sonali R. Pandey Jan 2019

Application Of Analytical Techniques In Food Product Development, Sonali R. Pandey

Electronic Theses and Dissertations

Products are analyzed in major sectors of food industry to meet regulatory standards, food safety, quality control, and research and development. Analytical and extraction techniques have been applied for simultaneous investigation of multiple product characteristics. Food analysis faces critical challenges due to the complex composition of food, leading to matrix effects that result in loss of accuracy and reliability. The analytical techniques require an efficient sample preparation to avoid or minimize matrix effects. Solid-phase extraction has been widely used to address this issue. In this dissertation, the aim is to apply analytical techniques in food product development. To accomplish this, …


Winter Snow Depth In Arctic Alaska Results In Complex Changes In Caribou Forage Quality, Jessica C. Richert Jan 2019

Winter Snow Depth In Arctic Alaska Results In Complex Changes In Caribou Forage Quality, Jessica C. Richert

Electronic Theses and Dissertations

Caribou (Rangifer tarandus) rely on the short growing season for much of their annual nutrition, making them susceptible to even small changes in forage quantity and quality. Body condition in the summer and fall is linked to winter survival rates and fecundity in cows, critical factors in the robustness of caribou populations. Due to a warmer, wetter climate, snowfall is predicted to increase over Alaska’s North Slope in the next several decades. Deeper snow results in higher soil temperatures, allowing microbial mineralization of nitrogen to continue throughout the winter and increasing the availability of nitrogen for plants in spring and …


Finite Mixture Of Regression Models For Complex Survey Data, Abdelbaset Abdalla Jan 2019

Finite Mixture Of Regression Models For Complex Survey Data, Abdelbaset Abdalla

Electronic Theses and Dissertations

Over time, survey data has become an essential source of information for modern society. However, to be effective, the structures of survey data require sampling designs that are more complex than simple random sampling. The complex sampling data collected from enormous national surveys via these complex designs ideally include sample weights that allow analysis to take account of complicated population structures. When the target of inference is the parameters of a regression model, it is crucial to know whether these weights should be incorporated into the sampling weight when fitting the model to the survey data. The finite mixture models …


Sunflower Pollinators In South Dakota: An Evaluation Of Species Composition, Abundance And Influence On Yield, Mackenzie Mattern Jan 2019

Sunflower Pollinators In South Dakota: An Evaluation Of Species Composition, Abundance And Influence On Yield, Mackenzie Mattern

Electronic Theses and Dissertations

In 2017 and 2018, South Dakota was the largest producer of sunflowers, Helianthus annuus L. (Asterales: Asteraceae) in the US, grossing approximately $178 million per year. In South Dakota, both confection and oilseed sunflower cultivars are grown. Despite breeding efforts to increase sunflower's ability to self-pollinate there is evidence that pollinator visitation results in increased sunflower yields. In addition, there is evidence that sunflower pollen is beneficial for pathogen resistance in various bee species, suggesting the importance of a mutualistic relationship between pollinators and sunflowers. In some areas, observed increases in sunflower yield is attributed to the presence of Apis …


The Role Of A Community Coach In Rural Food Councils In Six Midwestern States, Kaitlyn Tusha Jan 2019

The Role Of A Community Coach In Rural Food Councils In Six Midwestern States, Kaitlyn Tusha

Electronic Theses and Dissertations

Objective: To quantitatively assess perceived coaching confidence of a community coach working with food councils, and to qualitatively determine perceived barriers and facilitators associated with coaching rural food councils.
Design: Two phases were implemented using a mixed methods study design with quantitative (scorecard) and qualitative (key informant interviews) methodologies.
Setting: Six rural, Midwestern states implementing Voices for Food.
Participants: Voices for Food community coaches (n=9) who coached rural food council(s).
Intervention: A component of the broader Voices for Food intervention.
Analysis: Quantitative scorecard data were analyzed with STATA by running paired ttests. Qualitative key information interview data were analyzed with …


The Relationship Between Campus Wellness Center Usage And Symptoms Of Depression In College Freshmen, Allison Leonard Jan 2019

The Relationship Between Campus Wellness Center Usage And Symptoms Of Depression In College Freshmen, Allison Leonard

Electronic Theses and Dissertations

There is limited research done on the relationship between the program utilization at a campus wellness facility and the symptoms of depression in college freshmen. College students have been found to have a higher prevalence of depressive symptoms than the general population, possibly due to the stressors college life can add. Studies have been done on the effects of physical activity as an intervention for depression as well as on the benefits of campus wellness facilities; however, there have been few studies that look at both campus recreation and depression. The author’s purpose for this study was to see if …


Evaluation Of Effects Of Methods Used For Forage Analysis And Dietary Inclusion Of Buffer On Fiber Digestibility And Rumen Fermentation In Diets High In Distillers Grains, Lydia Kehinde Olagunju Jan 2019

Evaluation Of Effects Of Methods Used For Forage Analysis And Dietary Inclusion Of Buffer On Fiber Digestibility And Rumen Fermentation In Diets High In Distillers Grains, Lydia Kehinde Olagunju

Electronic Theses and Dissertations

Forage quality is an important factor affecting intake and utilization of forage, thus making it imperative to evaluate the methods used to determine the nutritive values of forage in order to predict animal performance. Additionally, fibrous feeds for ruminants are less subject to competitive demand. The plant cell wall is the largest hindrance to complete digestion of feeds, particularly forages and by-products and to the utilization of the nutrients and energy they contain, necessitating effective strategies for increasing the rate and efficiency of utilization of forage fiber and the energy therein. It is critically important to increase fiber digestion for …


The Impact Of Alcohol Consumption On Academic Success And Athletic Identity In Collegiate Student-Athletes, Zoe E. Arnold Jan 2019

The Impact Of Alcohol Consumption On Academic Success And Athletic Identity In Collegiate Student-Athletes, Zoe E. Arnold

Electronic Theses and Dissertations

Upon entering college in the United States, students are exposed to alcohol and, relatedly, the potentially dangerous experiences and effects that come with consuming alcohol. This is especially true for collegiate student-athletes, who have been found to have the highest consumption rate among student groups on campus. The purpose of the study was to understand the relationship between how student-athletes at a focus university, a Division I member of the National Collegiate Athletic Association, experience alcohol consumption, how their consumption affects their academic grade point average (GPA), and how athletic identity plays a role in their experiences. While the research …


Evaluation Of Flax Oil Supplementation On Performance Of Growing Dairy Heifer Calves And Lactating Cows, Chelsea Rose Schossow Jan 2019

Evaluation Of Flax Oil Supplementation On Performance Of Growing Dairy Heifer Calves And Lactating Cows, Chelsea Rose Schossow

Electronic Theses and Dissertations

Utilization of flax oil is new to the livestock industry, and limited research has been done to see the benefits of feeding the highly unsaturated oil to both dairy calves and lactating cows. Two studies were conducted to evaluate the potential benefits of flax oil as a lipid supplement. The first study compared the supplementation of two plant based oils to growing dairy calves. Thirty-six female Holstein calves in individual hutches were used in a 12-wk randomized complete block design study. Treatments were: 1) control (CON) with no oil, 2) 80 g/d of flax oil (FLAX), and 3) and 80 …


Cropping Sequence Affects Subsequent Soybean Yield, Soil Microbiome And Soil Health, Izzet Bulbul Jan 2019

Cropping Sequence Affects Subsequent Soybean Yield, Soil Microbiome And Soil Health, Izzet Bulbul

Electronic Theses and Dissertations

Rotation is an important cultural practice that farmers use to manage crop growth and diseases. Diversified crop rotations directly affect plant residue inputs that may enrich specific groups of microbes that form beneficial associations with the following crop. At two field sites, yield differences were observed in soybeans planted after the following four long-term (14 year) crop sequences: continuous corn (CC), corn (Zea mays)/corn/soybean (Glycine max) (CCS), corn/soybean/corn (CSC), soybean/corn/soybean (SCS). Soybean yields were in decreasing order, CC>CCS>CSC>SCS, and the yield differences could not be explained by soil chemical and physical properties previously …


A Comparison Between The Efficacy Of Traditional Periodization, Undulating Periodization, And Plyometric Training And Their Lasting Effects On Performance Outcomes In Youth Athletes. A Systematic Review And Meta-Analysis, Andre Mcintyre Jan 2019

A Comparison Between The Efficacy Of Traditional Periodization, Undulating Periodization, And Plyometric Training And Their Lasting Effects On Performance Outcomes In Youth Athletes. A Systematic Review And Meta-Analysis, Andre Mcintyre

Electronic Theses and Dissertations

Recreational and competitive youth (≤ 16 years old) sport participation over the years has increased in recent years. As a result of increased sport participation an emphasis on sport performance training and more particularly resistance training along with plyometric training have been on the rise. Resistance training and plyometric training can improve sports performance, rehabilitate injuries, prevent injuries, and enhance long-term health in adolescent athletes. Resistance training can be periodized numerous different ways, but the most popular training methods are traditional periodization, undulating periodization, and plyometric training. This systematic review and meta-analysis examined studies that compared traditional periodization, undulating periodization, …


Relationship Of Weight-Related Eating Behaviors And Weight-Loss Of Participants In A Proprietary Weight-Loss Program, Megan Tschakert Jan 2019

Relationship Of Weight-Related Eating Behaviors And Weight-Loss Of Participants In A Proprietary Weight-Loss Program, Megan Tschakert

Electronic Theses and Dissertations

The aim of this study is to evaluate weight-related eating behaviors of participants with clinically significant weight loss (CSWL) in a proprietary weight loss program. A crosssectional sample of participants (n=1,454) enrolled in a proprietary weight-loss program that includes meal replacements and health coaching were queried for weight-related eating behaviors (using Weight Related Eating Questionnaire) of routine restraint (RR), compensatory restraint (CR), susceptibility to external cues (SEC), and emotional eating (EE) in relation to CSWL (defined as having achieved a weight loss greater than 10% of starting weight). Participants were dichotomized into those with CSWL (n=973) and with no CSWL …


Maximizing Ecosystem Services Provided To The New Oil Crop Brassica Carinata Through Landscape And Arthropod Diversity, Shane Stiles Jan 2019

Maximizing Ecosystem Services Provided To The New Oil Crop Brassica Carinata Through Landscape And Arthropod Diversity, Shane Stiles

Electronic Theses and Dissertations

Prairies, once spanning the Upper Midwest, have now largely been replaced by agriculture. The lack of resources available to pollinators in agricultural fields and the practices employed by farmers to maximize yield has led to a decline in insect and pollinator diversity. There is a need to better understand how ecosystem services provided by a diverse insect community scale to current farming practices as they relate to crop yield. We sought to explain how landscape heterogeneity relates to insect and pollinator diversity, as well as how insect diversity relates to crop yield across common farming practices. To evaluate how farming …


Using Maximum Power As A Variable For 1rm Prediction In The Squat And Bench Press, Sean O'Connor Jan 2019

Using Maximum Power As A Variable For 1rm Prediction In The Squat And Bench Press, Sean O'Connor

Electronic Theses and Dissertations

Many Strength and Conditioning (S&C) coaches utilize a one-rep max (1RM) exercise test to gauge the maximal strength of athletes, and then prescribe resistance training programs based on a relative percentage of 1RM to obtain strength or power adaptations. However, many S&C coaches have raised questions regarding the safety and necessity of a 1RM test. Attempts to mitigate the weaknesses of 1RM testing have led to other methods of testing including repetition max testing (3RM, 5RM, 10RM, etc.) as well as load/velocity profiling. The main purpose of this study is to determine if 1RM can be accurately estimated from maximal …


African American Student-Athletes: Factors Influencing Choice Of Graduate School, Tanner Feterl Jan 2019

African American Student-Athletes: Factors Influencing Choice Of Graduate School, Tanner Feterl

Electronic Theses and Dissertations

Although support systems are in place for student-athletes, African Americans remain underrepresented in careers requiring a graduate education, including intercollegiate athletic departments (Okahana, Feaster, & Allum, 2016). The purpose of this qualitative, phenomenological study was to explore the factors influencing an NCAA Mid-major, Division I African American student-athletes’ choice of pursuing graduate school. Researchers identified themes utilizing Critical Race Theory (CRT) and Student Involvement Theory frameworks to explain the influencing factors. The participants consisted of nine African American sophomore, junior, and senior student-athletes who participated in different sports and were chosen using purpose sampling. Each participant took part in an …


Quality Evaluations Of Hard Red Spring Wheat Grown In South Dakota, Lance Merrick Jan 2019

Quality Evaluations Of Hard Red Spring Wheat Grown In South Dakota, Lance Merrick

Electronic Theses and Dissertations

Hard Red Spring Wheat (HRSW; Triticum aestivum L.) is characterized by generally high protein content and excellent baking and milling performance. The ability for millers, bakers, and other end-users of wheat to properly and cheaply produce food products with uniformity is dependent on the quality consistency of wheat produced by breeders and farmers. Determining how production years and locations influenced enduse quality traits will assist breeders, agronomists, and growers, in understanding which hard red spring wheat (HRSW; Triticum aestivum L.) varieties are least susceptible to quality fluctuations, and therefore, most desirable to end-users. In order to determine which varieties were …