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Leaf Optical And Indirect Lai Measurements In Wheat And Alfalfa At Maciv: Agmet Progress Report 89-4, E. A. Walter-Shea, B. L. Blad
Leaf Optical And Indirect Lai Measurements In Wheat And Alfalfa At Maciv: Agmet Progress Report 89-4, E. A. Walter-Shea, B. L. Blad
School of Natural Resources: Documents and Reviews
No abstract provided.
Nebline, Nov./Dec. 2023
NEBLINE Newsletter Archive from Nebraska Extension in Lancaster County
Students Engaged in Culinary Experience With Local and Indigenous Foods
Recipes of the Month: Brownie Batter Hummus and Bison Pizza Topping by Alyssa Havlovic
Time to Order Tree Seedlings
Love Gardening? Become a Master Gardener!
Garden Guide: Things to Do This Month
ProHort Lawn & Landscape Update
Upcoming Green Industry Conferences
Problematic Frozen Pipes Can be Prevented With Routine, Pre-Winter Maintenance by Becky Schuerman
Successful Farmer Series Will Dig Into Cropping Systems Hot Topics
Cover Crop Grazing Conference, Nov. 7
Pester the Pests or Leave the Leaves? by Kait Chapman
Promoting Language Development in Young Children by Hayley Jackson
Heart …
2021 Nebraska Feedlot Labor Survey, Kimberly J. Enger, Elliott James Dennis, Galen E. Erickson, Andrea Watson
2021 Nebraska Feedlot Labor Survey, Kimberly J. Enger, Elliott James Dennis, Galen E. Erickson, Andrea Watson
Center for Agricultural Profitability
The Nebraska Feedlot Labor and Management survey, conducted by Nebraska Extension and Nebraska Cattlemen., reveals notable changes in labor costs and compensation within the state's feedlot industry. From 2015 to 2021, total employee compensation across all feedlots nearly doubled, highlighting significant financial shifts in the sector. Despite this increase, wages have not kept pace with inflation, indicating ongoing economic challenges. The survey, which also sheds light on hiring difficulties and management practices, provides a crucial benchmark for feedlot operators to navigate labor costs and industry trends effectively.
Violent Conflict Drives World Hunger And Food Insecurity, E. Wesley F. Peterson
Violent Conflict Drives World Hunger And Food Insecurity, E. Wesley F. Peterson
Cornhusker Economics
The World Food Program (WFP) with support from the United States and other countries works to provide food to those in need as a result of conflict, adverse climate effects, poverty, and government mismanagement. It is limited in what it can do, however, by budget constraints and rising food prices. On top of the financial issues, the delivery of food assistance is particularly complicated in areas of conflict where warring adversaries often hijack food supplies intended for the other side. While it is illegal under International Humanitarian Law to use starvation as a weapon of war, Dzerowicz (2023) has identified …
Nebline, June/July 2024
NEBLINE Newsletter Archive from Nebraska Extension in Lancaster County
Per- and Polyfluoroalkyl Substances (PFAS) Facts Related to Drinking Water by Becky Schuerman
Tar Spot is an Emerging Corn Disease in Eastern Nebraska by John Nelson
Nutrition Education for Refugee and Immigrant Families in Lincoln by Emily Gratopp
Recipe of the Month: Biryani by Emily Gratopp
Garden Guide: Things to Do This Month
Sudden Wilt and Death in Tomatoes by Sarah Browning
Sun's Out, Fun's Out: Keeping Your Little One Safe This Summer by Hayley Perez
Protect Yourself from Bed Bugs by Kait Chapman
Heart of 4-H Volunteer Award: Netsy Barent and Jessica Marsh
Nebraska 4-H Foundation Scholarship Winners
Learn …
Plas 439: Organic Farming And Food Systems Faculty-Led Inquiry Into Reflective Scholarly Teaching Benchmark Portfolio, Christian Stephenson
Plas 439: Organic Farming And Food Systems Faculty-Led Inquiry Into Reflective Scholarly Teaching Benchmark Portfolio, Christian Stephenson
UNL Faculty Course Portfolios
Organic Farming and Food Systems is a senior and graduate level course for students in the Department of Agronomy and Horticulture. This course was previously offered but has been significantly modified as I have taken on responsibility for the course. Goals for the course include student comprehension of the methods of organic and regenerative farming and the impacts of those methods on economic, environmental, and social sustainability. An additional goal is to build student competency in the evaluation of primary, secondary, and tertiary information resources and critical thinking surrounding issues in food production. Assessment for the course was through diverse …
Long Time No See: New Reports Of Legua Rosea Amédégnato And Poulain, 1986 (Orthoptera: Caelifera: Romaleidae: Romaleinae: Leguini), A Rare Arboreal Grasshopper From Brazil, Daniela Santos Martins Silva, Renan Da Silva Olivier, Larissa Lima De Queiroz, Marcelo Ribeiro Pereira, Jardel Boscardin, Guilherme Rabelo D’Angelis
Long Time No See: New Reports Of Legua Rosea Amédégnato And Poulain, 1986 (Orthoptera: Caelifera: Romaleidae: Romaleinae: Leguini), A Rare Arboreal Grasshopper From Brazil, Daniela Santos Martins Silva, Renan Da Silva Olivier, Larissa Lima De Queiroz, Marcelo Ribeiro Pereira, Jardel Boscardin, Guilherme Rabelo D’Angelis
Insecta Mundi
The genus Legua Walker, 1870 comprises only two known species from Central America and Brazil, with a notable scarcity of collected specimens. Herein, we provide a new contribution to our knowledge of the distribution of Legua rosea Amédégnato and Poulain, 1986 (Romaleinae: Leguini), that has a restricted distribution in Brazil, based on entomological collection data and social media information. Our records emphasize the importance of natural history collections and new tools for biodiversity studies.
ZooBank registration. urn:lsid:zoobank.org:pub:17E0802B-A389-4983-AC74-21B51197F557
Internet-Based Data Platforms Re-Define The Distributions Of Some Large Crabronid Wasps In Arkansas (Hymenoptera: Crabronidae), David E. Bowles
Internet-Based Data Platforms Re-Define The Distributions Of Some Large Crabronid Wasps In Arkansas (Hymenoptera: Crabronidae), David E. Bowles
Insecta Mundi
The geographic distributions of three large wasps, Sphecius speciosus (Drury), Stictia carolina Fabricius, and Stizus brevipennis Walsh (Hymenoptera: Crabronidae), occurring in Arkansas are defined using museum specimens and three internet-based data platforms. The internet-based data platforms generally provided more county location records than museum records. Using data from internet sources for easily identified species can better serve to illustrate the known distributions for some species thus making for a powerful tool elucidating distributional patterns and conservation planning.
ZooBank registration. urn:lsid:zoobank.org:pub:DCAE9192-1765-40CD-952B-0A094F413991
Morphometric Analysis And Taxonomic Re-Evaluation Of Pepsis Cerberus Lucas And P. Elegans Lepeletier (Hymenoptera: Pompilidae: Pepsinae: Pepsini), Frank E. Kurczewski, Akira Shimizu, Diane H. Kiernan
Morphometric Analysis And Taxonomic Re-Evaluation Of Pepsis Cerberus Lucas And P. Elegans Lepeletier (Hymenoptera: Pompilidae: Pepsinae: Pepsini), Frank E. Kurczewski, Akira Shimizu, Diane H. Kiernan
Insecta Mundi
Hurd (1952) separated Pepsis cerberus Lucas from P. elegans Lepeletier (Hymenoptera: Pompilidae: Pepsinae: Pepsini) based on external morphology and biogeography. Vardy (2005) synonymized the familiar and historically well-documented P. cerberus and P. elegans, combining these Nearctic taxa with several Neotropical variants in an extremely broad definition of P. menechma Lepeletier. In doing so, Vardy (2005) breached the principle of nomenclatural stability. He ignored the prevailing usage and clearly violated articles 23.2, 23.3 and 23.9.1.2 of the ICZN (1999). Morphological differences, ecological divergence, and narrow sympatric geographic distribution of P. cerberus and P. elegans …
A New Species Of Paranthrene Hübner (Lepidoptera: Sesiidae) From The Northern Midwest United States, William H. Smith Iii, William H. Taft Jr., Anthony I. Cognato
A New Species Of Paranthrene Hübner (Lepidoptera: Sesiidae) From The Northern Midwest United States, William H. Smith Iii, William H. Taft Jr., Anthony I. Cognato
Insecta Mundi
A clearwing moth species, Paranthrene sogaardi Taft and Smith, 2024, new species, is described from Michigan and Minnesota. The recognition of this new species is based on a phylogeny estimated from mitochondrial cytochrome oxidase I and wingless DNA sequences of 25 specimens representing all Paranthrene Hübner species including individuals from various locations. Paranthrene sogaardi new species was monophyletic and differed from Paranthrene tabaniformis Rottenburg, 1775 by a mean of 7.6% COI pairwise “p” distance, coloration, and genitalic morphology.
ZooBank registration. urn:lsid:zoobank.org:pub:8B9ED6CE-4DEB-4CB2-9235-3CA593F4D9DB
Corrections And Additions To The Hydnocerina (Coleoptera: Cleridae: Clerinae: Hydnocerini) Of Mexico, John M. Leavengood Jr.
Corrections And Additions To The Hydnocerina (Coleoptera: Cleridae: Clerinae: Hydnocerini) Of Mexico, John M. Leavengood Jr.
Insecta Mundi
Corrections, additions and remarks are made with respect to the recent checklist of the Cleridae (Coleoptera) of Mexico (Araujo-Castillo et al. 2024). Current valid names, synonymies, clarifications of taxonomic problems, and omitted taxa are reviewed. This work is intended to serve as a supplement to the “Hydnocerinae” section of the checklist.
ZooBank registration. urn:lsid:zoobank.org:pub:EF3E45B5-6EA6-41AB-B92F-DB4ABF9D8215
Taxonomic Notes On Velvet Ants Of The Genus Timulla Ashmead, 1899 (Hymenoptera: Mutillidae) In The United States Of America And Canada, George C. Waldren
Taxonomic Notes On Velvet Ants Of The Genus Timulla Ashmead, 1899 (Hymenoptera: Mutillidae) In The United States Of America And Canada, George C. Waldren
Insecta Mundi
The exclusively New World velvet ant genus Timulla Ashmead, 1899 (Hymenoptera: Mutillidae: Mutillinae: Trogaspidiini) contains 180 species and ten subspecies. Most of these species are known from a single sex, and the validity of the subspecies has not been evaluated since their original description in 1937 and 1938. The Timulla fauna of the United States of America includes thirty species and eight subspecies, and the fauna of Canada includes three species. The faunas of these two countries were critically studied with the following results. Out of the eight total subspecies, seven were found to be structurally identical to and sympatric …
Aging In Place In Rural Nebraska: Homecare Worker Cooperatives, Cythia Houlden
Aging In Place In Rural Nebraska: Homecare Worker Cooperatives, Cythia Houlden
Center for Agricultural Profitability
In 2022, the Nebraska Cooperative Development Center (NCDC), in partnership with the Northwest Cooperative Development Center of Washington state, introduced a six-week Homecare Worker Cooperative Academy designed to take caregivers through the worker cooperative development process. Topics covered by the academy included democracy in the workplace, business basics, marketing and member engagement.
The impetus for the academy was the realization that Nebraska — and the U.S. as a whole — are facing a potential elder care crisis.
The Basics Of Loans For Farmers And Ranchers, Jessica Groskopf
The Basics Of Loans For Farmers And Ranchers, Jessica Groskopf
Center for Agricultural Profitability
Borrowing a loan can be a useful tool for farmers and ranchers, especially to fill in gaps when cash or working capital is short to cover current obligations or to make necessary or planned capital purchases. Before signing for a loan, understand the loan terms and repayment requirements as spelled out in the loan documents. This article defines and explains important lending terminology and considerations for farmers and ranchers.
The North Central Extension Risk Management Education Center, Part Iii: Outcomes And Impacts, Bradley D. Lubben, Christine Lockert, Sheila Aikanathan Johnson, Milan Chauhan
The North Central Extension Risk Management Education Center, Part Iii: Outcomes And Impacts, Bradley D. Lubben, Christine Lockert, Sheila Aikanathan Johnson, Milan Chauhan
Cornhusker Economics
The North Central Extension Risk Management Education (ERME) Center has existed since 2001 to help support producer-focused agricultural risk management education across the twelve-state North Central Region. The Center works together with centers in other regions of the country to implement a comprehensive program of needs assessment, regional grantmaking, capacity building, and evaluation and reporting to support projects that help producers manage risk and document the outcomes and impacts of those projects.
The last two Cornhusker Economics articles have described the Center and its activities and have highlighted the successes of some recently funded projects. This article concludes the discussion …
Reassignment Of Some Caryospora Species (Apicomplexa: Eimeriidae) To Eumonospora (Apicomplexa: Sarcocystidae) And A Summary, Donald W. Duszynski
Reassignment Of Some Caryospora Species (Apicomplexa: Eimeriidae) To Eumonospora (Apicomplexa: Sarcocystidae) And A Summary, Donald W. Duszynski
MANTER: Journal of Parasite Biodiversity
This review was crafted to clear up some of the current confusion regarding the correct taxonomic placement of those apicomplexan coccidians that produce unique monosporocystic octosporozoic (1 sporocyst with 8 sporozoites) oocysts during the sexual phase of their life history in vertebrate hosts. Currently, such oocysts have been placed in 1 of 4 genera, Avispora, Caryospora, Karyospora, or Eumonospora, 2 of which are no longer accepted or useful (Avispora and Karyospora). My review suggests that to present (2023) there are 62 valid Caryospora and 26 valid Eumonospora species. Caryospora species are recorded from a bird …
Ideas For Estate And Transition Planning: Gift Leaseback, Jessica Groskopf
Ideas For Estate And Transition Planning: Gift Leaseback, Jessica Groskopf
Center for Agricultural Profitability
Simply gifting assets helps reduce estate value and potential taxes for the owners and increase the wealth of the heirs. However, some families are hesitant to engage in gifting strategies because the farm or the ranch needs access to those assets to remain viable. This article expands on gifting strategies by combining gifts with a lease agreement.
North Central Extension Risk Management Education Center Helps Producers Manage Risks, Christine Lockert, Sheila Aikanathan Johnson, Bradley D. Lubben
North Central Extension Risk Management Education Center Helps Producers Manage Risks, Christine Lockert, Sheila Aikanathan Johnson, Bradley D. Lubben
Cornhusker Economics
Established in 2001, the North Central Extension Risk Management Education Center (NCERMEC) has a long history of supporting risk management education programs serving producers in the region. Located at the University of Nebraska-Lincoln Agricultural Economics Department, the Center is one of four regional Extension Risk Management Education (ERME) Centers located throughout the country. ERME is funded through USDA’s National Institute of Food and Agriculture (NIFA) and was authorized by the Agricultural Risk Protection Act of 2000. The fundamental purpose of the ERME program is to educate producers to manage risk and position their farm or ranch for future growth and …
Using Annual Forages To Replace Declining Cool-Season Grass Pasture Availability, Jonathon Matthew Jenkins
Using Annual Forages To Replace Declining Cool-Season Grass Pasture Availability, Jonathon Matthew Jenkins
Department of Agronomy and Horticulture: Dissertations, Theses, and Student Research
As land area in grain crop production increases in the US Midwest, perennial pasture availability decreases but the demand increases. Matching the seasonal growth patterns of C3 and C4 plant species to grow forages that are complementary allows producers to fill production gaps in otherwise monoculture systems and possibly increase overall productivity. One way to fill the forage production gap of C3 grass dominated pastures is by producing a warm-season, annual forage in a separate field. However, with continual reductions in land availability, this may not be an option. Using two studies, our objectives were to improve …
Three Additions To The False Click Beetle (Coleoptera: Elateroidea: Eucnemidae) Fauna In The Nearctic Region, Robert L. Otto
Three Additions To The False Click Beetle (Coleoptera: Elateroidea: Eucnemidae) Fauna In The Nearctic Region, Robert L. Otto
Insecta Mundi
Three species of false click beetles (Coleoptera: Eucnemidae) are added to the Nearctic fauna. One new species, Isorhipis bicolor, is described from a small series collected in Florida, U.S.A. Eighteen specimens collected from Georgia were identified as Dyscharachthis amplicollis (Fleutiaux), new U.S.A. records for a species previously taken from Japan and Southeast Asia. Examination of a series of eucnemids collected by Kyle Schnepp in Florida allowed me to revisit the Deltometopus fauna in eastern North America. Antennal structures present in a series of male specimens in the loan and past examined specimens are definitive enough to resurrect Deltometopus …
First Record Of The Invasive Chenopodium Aphid, Hayhurstia Atriplicis (Linnaeus, 1761) (Hemiptera: Aphididae), In Colombia, Takumasa Kondo, Roberto Rosero, Jackeline Gaviria
First Record Of The Invasive Chenopodium Aphid, Hayhurstia Atriplicis (Linnaeus, 1761) (Hemiptera: Aphididae), In Colombia, Takumasa Kondo, Roberto Rosero, Jackeline Gaviria
Insecta Mundi
The chenopodium aphid, Hayhurstia atriplicis (Linnaeus, 1761) (Hemiptera: Aphididae), is reported for the first time in Colombia. The aphid was found on the aerial parts of the quinoa plant, Chenopodium quinoa Willd. (Amaranthaceae), especially on the leaves, in five municipalities in the department of Cauca, Colombia. Brief information on its natural enemies, distribution and biology is provided. This is the only aphid in Colombia known to cause malformations on the leaves of quinoa plants. In South America, this aphid has been found previously only in Ecuador, where it was reported for the first time in 2023 based on specimens collected …
First Record Of The Beekeeping Pest Aethina Tumida Murray (Coleoptera: Nitidulidae) For Honduras, Jesus Orozco
First Record Of The Beekeeping Pest Aethina Tumida Murray (Coleoptera: Nitidulidae) For Honduras, Jesus Orozco
Insecta Mundi
Aethina tumida Murray (Coleoptera: Nitidulidae) (also known as the small hive beetle), an important pest in apiaries, is reported from Honduras for the first time, new country record. The precise distribution in the country is unknown, and no damage related to it has been observed. Photographs are provided to aid in its identification. Differentiation of A. tumida from Aethina villosa Reitter and Aethina quadrata Sharp, which also occur in Honduras, is provided.
ZooBank registration. urn:lsid:zoobank.org:pub:DAF12C6A-0F8C-4151-9C4D-F191CCC4032F
Utilization Of The NuTrack System To Objectively Evaluate Changes In Active And Passive Behaviors Of Group-Housed Nursery Pigs Exposed To An Endotoxin Challenge, Aaron Holliday
Department of Animal Science: Dissertations, Theses, and Student Research
This study aimed to evaluate the changes in activity of group-housed, newly weaned pigs challenged with lipopolysaccharide (LPS). At weaning, pigs (n = 192, 5.73 ± 1.8 kg) were stratified by sex, litter, and body weight (BW) and randomly assigned to one of three treatments (16 pigs/pen, 4 pens/treatment): 1) Saline-injected (SAL), 2) 50% challenged [50%-LPS) – only half of the pigs in a pen (8 pigs) were challenged with LPS and 3) 100% challenged (100%-LPS) – all pigs in a pen were challenged with LPS. Pigs in the SAL and 32 in the 50%-LPS treatment received a 3.0 …
Adding Parasite Resistance To A Hair Sheep Breeding Objective, Bob Forbes
Adding Parasite Resistance To A Hair Sheep Breeding Objective, Bob Forbes
Department of Animal Science: Dissertations, Theses, and Student Research
The U.S. Hair Sheep Index was designed to increase total weight of lamb weaned per ewe lambing (TW) using estimated breeding values (EBV) for direct (DWWT) and maternal (MWWT) weaning weight, and number of lambs born (NLB) and weaned (NLW), as selection criteria. Producers are interested in adding post-weaning fecal egg count EBV (PFEC), an indicator of parasite resistance, to the index to achieve genetic change in both TW and PFEC.
First, the effects of adding PFEC alongside TW to the breeding objective of indexes that used either phenotypes or EBV as selection criteria were studied. Since MWWT is …
Proposing Urban Agroforestry Designs For Lincoln, Nebraska: A Model From Berlin, Germany, Noah Johnson
Proposing Urban Agroforestry Designs For Lincoln, Nebraska: A Model From Berlin, Germany, Noah Johnson
Honors Theses
Given the threat of a worsening climate crisis, there is a strong need for community and ecosystem resilience. Diverse urban agroforestry systems have the potential to accomplish both and meet many of the objectives outlined in the city of Lincoln, Nebraska’s climate action plan. Additionally, Berlin, Germany could provide an effective model for Lincoln in this regard given the city’s extensive history of established urban agroforestry systems. The objective of this study then is to develop a design for an urban agroforestry site modeled on Berlin’s allotment gardens and tailored to Lincoln’s needs. The methods for creating this design included …
Determining The Impacts Of Corn Silage Mixing Ratios On Hydrogen Production From Beef Cattle Manure, Katya Faber-Quimby
Determining The Impacts Of Corn Silage Mixing Ratios On Hydrogen Production From Beef Cattle Manure, Katya Faber-Quimby
Honors Theses
With global warming becoming an increasingly serious threat and a growing population requiring additional energy resources, interest in the production of clean energy from the agricultural sector has surged in popularity. Biohydrogen, also known as green hydrogen, is H2 that has been produced using renewable energy, such as from agricultural byproducts or waste materials. It presents a promising alternative to nonrenewable resources due to its high potential for energy storage and lack of carbon emissions when used. Cattle manure has been explored as a resource for the production of biohydrogen. Selecting for hydrogen-producing microbes in the manure serves the …
In-Field Optimization Of Soil Water Parameters For Irrigation Scheduling, Ishani Lal
In-Field Optimization Of Soil Water Parameters For Irrigation Scheduling, Ishani Lal
Department of Agronomy and Horticulture: Dissertations, Theses, and Student Research
Several precision technologies are being developed to assist farmers in informed irrigation decision-making. These technologies aim to enhance irrigation water efficiency, check overirrigation, boost crop water productivity, and promote the sustainable utilization of water resources. We hypothesize that soil moisture parameters used in irrigation decision tools need to be validated to best represent the correct state of soil moisture in the field. This is an important factor that affects the accuracy of the irrigation recommendations forecasted by the decision support tools. In this research, we evaluated different methods of estimating field capacity (FC) and wilting point (WP) to optimize soil …
Public Horticulture: Process And Design Of The Lincoln Botanical Garden, Brad Kindler
Public Horticulture: Process And Design Of The Lincoln Botanical Garden, Brad Kindler
Department of Agronomy and Horticulture: Dissertations, Theses, and Student Research
Beginning in 2012, the local non-profit, The Lincoln Botanical Garden, began organizing the conceptual design and creation of a glass conservatory within a botanical garden in Lincoln, Nebraska. These proposed urban enhancements seek to fill a gap in garden amenities in the city by providing year-round access to public horticulture programming and education.
This project, Public Horticulture: Process and Design of the Lincoln Botanical Garden, documents these efforts and makes design recommendations for a themed Glacial Erratic Garden that could be constructed within the botanical garden.
Advisors: Ellen Paparozzi and Sam Wortman
Concepts In Animal Parasitology: Master Bibliography, Sue Ann Gardner
Concepts In Animal Parasitology: Master Bibliography, Sue Ann Gardner
Concepts in Animal Parasitology Textbook
Master bibliography for the open educational resource/open access textbook Concepts in Animal Parasitology, Scott L. Gardner and Sue Ann Gardner, editors, published by Zea Books, Lincoln, Nebraska, United States, 2024. This includes the references from literature cited and suggested supplemental reading.
Impact Of Plant Defenses And Aphid-Associated Microbes In Modulating Sorghum-Sugarcane Aphid Interactions, Edith Ikuze
Impact Of Plant Defenses And Aphid-Associated Microbes In Modulating Sorghum-Sugarcane Aphid Interactions, Edith Ikuze
Department of Entomology: Dissertations, Theses, and Student Research
Sorghum (Sorghum bicolor) is a vital cereal crop globally, facing challenges from invasive pests such as the sugarcane aphid (SCA; Melanaphis sacchari). To elucidate mechanisms of sorghum resistance to SCA, we examined the role of plant defenses and the influence of aphid-associated microbes in modulating sorghum defenses. Lignin is a complex heterogenous polymer present in nearly all plant cell walls that plays a critical role in protecting plants from various stresses. In this study, we investigated the role of the caffeoyl coenzyme-A O-methyltransferase (CCoAOMT), one of the core enzymes in monolignol biosynthesis pathway that leads to lignin …