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University of Nebraska - LincolnDigitalCommons@University of Nebraska - LincolnAgronomy and Horticulture Annual NewslettersAgronomy and Horticulture Department2011Nebraska Green Scene: Annual publication byAgronomy and Horticulture 2011Follow this and additional works at: http://digitalcommons.unl.edu/agronannnewsPart of the Life Sciences Commons"Nebraska Green Scene: Annual publication by Agronomy and Horticulture 2011" (2011). Agronomy and Horticulture AnnualNewsletters. Paper 6.http://digitalcommons.unl.edu/agronannnews/6This Article is brought to you for free and open access by the Agronomy and Horticulture Department at DigitalCommons@University of Nebraska Lincoln. It has been accepted for inclusion in Agronomy and Horticulture Annual Newsletters by an authorized administrator ofDigitalCommons@University of Nebraska - Lincoln.

In this issue: Letter from the New Department Head Student News International Collaborations Staff Bios Research Updates

Last year’s departmental Centennial Celebration was a resounding success,drawing hundreds to campus and the department for tours, seminars and abanquet with radio program re-enactment. Many thanks to all who attendedany part of the festivities and made the celebration such a memorable event.This faculty photo from the early ‘80s was the inspiration for this year’s coverphoto, which features many of the department’s current faculty members.

Lettersfrom theHeadsp. 43Table of ContentsLetters from the Heads . . . . . . . . . . . . . . . 4Alumni newsThe Winds Will Carry Us . . . . . . . . . . . . 11David Hoffman. . . . . . . . . . . . . . . . . . . . . 15Dr. Mark Lagrimini &Dr. Roch GaussoinStaff newsFamiliar Faces Around the Dept. . . . . . 12Faculty newsPromotions and Tenure. . . . . . . . . . . . . . . 5Research and Charity in Namibia . . . . . . 8Working with Bayer Crop Science. . . . . 16Cropping Systems Specialist. . . . . . . . . . 18Nutrient Movement, Storage in Plants. . 20Drought Tolerance Research. . . . . . . . . . 22Cassman helping lead CGIAR . . . . . . . . 23p. 10Student newsAgronomy ClubWhat You May Not Knowp. 23Ken CassmanPlanning for a well-fedworld at CGIARDig It! at the Durham Museum. . . . . . . . 5In the Graef Lab. . . . . . . . . . . . . . . . . . . . . 6“Lab Family” Provides ValuableResearch Experience. . . . . . . . . . . . . . . . 7Horticulture Club Activities. . . . . . . . . . . 8Range Club Activities . . . . . . . . . . . . . . . . 9Agronomy Club Activities. . . . . . . . . . . . 10Novelties in a Sorghum Hybrid System. . 19BayerCropScienceLincoln, NEPhone:FAX:E-mail:Web sites:68583-0915(402) 472–2811(402) ture.unl.eduEditing, layout/design, advertising:Aaron Franco, Leah Goossen, KathySchindler, Carola Strauss, and CharleneWendt 2011Department of Agronomy & HorticultureUniversity of Nebraska–LincolnInstitute of Agriculture and Natural ResourcesTo subscribe, unsubscribe, or change youraddress, please send your name, request,and complete new address to:EditorDept. of Agronomy & HorticultureUNLPO Box 830915Lincoln, NE 68583–0915or via email: agrohort@unl.eduFind our PDF newsletter online, visit ourwebsite, agronomy.unl.edu, and click onAlumni.Stephen Baenzigeron partnershipp. 16The University of Nebraska–Lincoln does not discriminate basedon gender, age, disability, race, color, religion, marital status,veteran’s status, national or ethnic origin, or sexual orientation.agronomy.unl.edu/horticulture.unl.edu

4Copyright University CommunicationsThe Department of Agronomy &Horticulture has completed yetanother exciting year of growth andrenewal. Last year at this time we celebratedthe department’s centennial and rededicationof the renovated Keim Hall. We appreciatethose who were able to attend the festivities, and we are excited about the future andthe next 100 years. Since we visited last yearthere have been many new developments atthe university and within the department.The University of Nebraska system hasreaffirmedits recognition of theimportanceof agriculture andnaturalresourcesin the mission of theuniversity.The NURobert B.DaughertyWater forby Dr. Mark LagriminiFood Institute has formed a focal point for transdisciplinary research, teaching, and outreach.The expansion of the UNL campusinto the state fair park and the creation ofInnovation Campus have created an opportunity for partnerships between smalland large businesses to collaborate withuniversity researchers to create new agricultural technologies to benefit Nebraska’seconomy. Plans are already in place for anew USDA-ARS building and a Life Sciences Research laboratory. This past year thedepartment has received funding to installa state-of-the-art wind tunnel to developmodels of pesticide drift and technologiesto minimize drift, and install a state-of-theart plant scanner to model plant growth,response to environmental stimuli, andidentify genes involved in all aspects ofplant growth, reproduction, and responseto environmental stress. Both of these arethe first of its kind in a U.S. university andwill give UNL an opportunity to strengthenits leadership position in pioneering newagricultural technologies.Additionally, the department is pleasedby the continued growth of undergraduateand graduate enrollment, and student credithours taught by our faculty.On a final note, after six years asdepartment head I have decided to returnto the faculty and pursue my passion forresearch and teaching. I have learned muchduring the past years, and have appreciatedmeeting and interacting with the numerous academics, professionals, and citizens.I look forward to continuing these interactions through my new role as professor.The department has been left in the capablehands of Dr. Roch Gaussoin. Dr. Gaussoin isa turfgrass extension specialist and will serveas Interim Department Head for two years.University of Nebraska–Lincoln Department of Agronomy & Horticulture 2011GCopyright University CommunicationsLetters from the Heads:Passing the Batonreetings and welcome to the annual department update. I will beserving as the Interim DepartmentHead with Dr. Mark Lagrimini’s return tothe faculty ranks after six years as Department Head. The department wishes himwell in his teaching and research duties as a“new” faculty member.I have been with the University ofNebraska for more than 20 years, starting as theExtensionTurfgrassSpecialist in theHorticulture Departmentin 1991. Ihave hadthe opportunity andprivilegeto workwith manyby Dr. Roch Gaussoinof thefaculty in Agronomy & Horticulture andfrom firsthand experience I can say it isone of the most dynamic, progressive andproductive departments in the UNL system. Perhaps my impression is a bit biasedbut I think the record speaks for itself.Affirmation of the strength of thediverse efforts of the department was evident during our recent external review. Anexternal review is conducted on academicdepartments roughly every five years. Ourdepartment was reviewed in early Octoberby a distinguished and representative teamof educators and research scientists. Thereview team provided constructive advicefor ways to fine-tune our efforts and leftLincoln with, as indicated by their exitinterview, a very positive impression ofour department, IANR and UNL. We willwork to implement their suggestions andcontinue to do what we do best: research,teaching and extension in a wide arrayof disciplines.During this past year the departmenthired Dr. Keenan Amundsen, a turfgrassgeneticist. We are also in the process ofadvertising for a Systems Agronomist and aCrop Simulation Modeler, with a focus oninteracting with the Water for Food Institute.This past year the university had anearly retirement incentive program. Dr.James Stubbendieck retired in June. Dr.Mark Bernards, extension weed specialist,left the University of Nebraska to take aposition at Western Illinois University andDr. Dan Walters, soil scientist, passed awaythis past year after a courageous battleagainst cancer, leaving a legacy of outstanding student mentorship and teaching.We are currently in the process of arranging interviews for replacements for theextension weed specialist and soil scientist.The addition of two new faculty positionsand filling the remaining two will result inthe department of Agronomy & Horticulture having 70 faculty, making it one of thelargest academic departments in the UNLsystem. An engaged and capable facultycomposed of young progressive scientistsand educators mentored by established anddistinguished senior faculty, record enrollment in the undergraduate and graduateprograms and established, positive relationships with stakeholders points towardsa great future for the department. I lookforward to being a part of it. Please enjoythis year’s report and feel free to contact mewith questions, comments or suggestionsfor improvement by phone (402-472-1555)or email (rgaussoin1@unl.edu).

Promotions & Tenure August 2011Dr. Ismail Dweikat5Dig It! at the Durham MuseumThe Dig It! exhibit at the Durham Museum educatesvisitors about the many different kinds of soils, whatminerals and organisms they contain, and how they areused in everyday life. David Glett and Ricardo Maria(graduate students of Charles Wortmann), and SaraUttech (with the Soil Sciences Society of America) helpvisitors understand more about soils.Promoted to Full ProfessorHired: 1999. Ph.D. 1988, M.S. 1983, B.S. 1981, University of Florida.Area of focus: Plant genetics and graduate seminars; application of DNAbased markers to optimize sorghum and pearl millet for bioenergy use.Dr. Carlos Urrea FlorezPromoted to Associate ProfessorGranted Tenure. Hired: 2005. Ph.D., North Dakota State University,2000; M.S. University of Puerto Rico, 1996; B.S. Universidad Nacionalde Colombia, 1984. Area of focus: Genetics, variety developmentand evaluation of dry edible beans adapted to western Nebraska.Dr. Stevan Knezevic Promoted to Full ProfessorHired: 1998. Ph.D. Kansas State University, 1997; M.S. University of Guelph,1993; B.S. University of Belgrade, 1987. Area of focus: Integrated weed management class; weed ecology, crop-weed interactions as affected by croppingpractices and nutrient management, herbicide technology, non-chemicalcontrol methods with emphasis on flame weeding simulation; develop biologically based integrated weed control that builds bridges among scientificdisciplines, especially between weed/crop ecology and herbicide technology.Daniel T. WaltersDDr. Charles WortmannPromoted to Full ProfessorHired: 2001. Ph.D. 1987, M.S. 1978, B.S. 1972, University of Nebraska.Area of focus: Soil fertility specialist; improvement of no-till systems, nitrogen and phosphorus management for improved nutrient use efficiency,water quality protection, and profitable sustainability with a climate changeperspective; reduction of nitrous oxide emissions through nitrogen management; and crop management for energy-efficient biofuel production.Photo Courtesy University CommunicationsDr. Martha Mamo Promoted to Full ProfessorHired 2000. Ph.D. University of Minnesota-St. Paul, 1997; M.S.1992, B.S. 1989, Alabama A&M University-Normal. Area of focus:Soil as a natural resource and ways to help students become expertlearners; soil conservation, soil quality, water quality, and foodsecurity in east Africa.March 21, 1951– August 17, 2010aniel T. Walters, 59, professor of agronomy, died Aug.17, 2010. His academic career spanned 37 years—fromthe time he began graduate studies in the Department ofSoil Science at the University of Minnesota through hisyears with the Department of Agronomy & Horticulture atthe University of Nebraska–Lincoln.In addition to his research, which focused on enhancing basic understanding of nutrient transformations andcycling in soils and using that knowledge to improve nutrientmanagement of major field crops, Dan maintained vigorous teaching and extension education programs. At UNL, hetaught more than 800 students, advised more than 20 graduate students who received Ph.D. and M.S. degrees, and servedas advisor to the undergraduate Agronomy Club for 10 years.There was a special place in his heart for his students, theirfamilies, and their growth as scientists.– by Ken Cassmanagronomy.unl.edu/horticulture.unl.edu

6In the Graef Lab:Soybean Researchby Tom O’BrienMy work with the soybean group,under the supervision of Dr.George Graef, involves thedevelopment of resistance to the Bean PodMottle Virus in soybeans. Our current workis an extension of previous work done byDr. Graef and prior graduate students, inwhich we are working with a populationof recombinant inbred lines made from abi-parental cross between highly susceptibleand relatively tolerant soybean lines. Phenotyping and genotyping work was done onthis population to identify QTL that wereassociated with lower levels of virus in plantleaf tissue known as relative viral antigenor RVA levels. Using this data, lines wereselected from the tails of this populationto evaluate the yield effects and differencesbetween infected and non-infected plots.This work involves the inoculation of multiple reps of plots at three separate locationsin Nebraska across two years. Currentlythis project is in the first summer of fieldtrials. In addition to thesis projects, all of Dr.Graef ’s grad students are very involved in allaspects of the maintenance of his breedingprogram, everything from planting, harvesting, and field designs to seed packaging,tissue sampling and data analysis.A Leader inNative Grass andWildflower ProductionQuality SeedsSince 1956 Native Prairie Grasses Wildflowers CodyTM & BowieTM Turf-type Buffalograss Pasture & Forage Wildlife Habitat CRP Seedings Erosion Control Conservation Waterways Floodplain Re-establishment Landscapes Acreage Seedings Ornamental Field Seed Turf Seed Lawn Fertilizer Cover Crops Alfalfa/CloverVisit our website to view our entire product line,request a free catalog, or place an order!www.stockseed.com1.800.759.1520 28008 Mill Rd Murdock, NE Email us at prairie@stockseed.com

7“Lab Family” Provides Valuable Research Experienceby Laura HockIf, four years ago, someone had told me that I would bespending this summer working full-time in a molecular genetics lab, I would have laughed in his face.I thought I was going to major in music But, here I amtoday, studying ferric reductase activity in several mutantsand ecotypes of Arabidopsis thaliana and Cucumis sativus!My journey began when I decided to major in Horticulture. After just my first semester, I was surprised whena professor encouraged me to look into part-time researchwork. With the help of my advisor, Anne Streich, I was ableto get a position working in the lab of Dr. Brian Waters.Shortly thereafter, I applied for UCARE, a program thatencourages undergrads to get experience doing research intheir field of interest. Currently, I’m working full-time overthe summer between my two years of UCARE.I began my laboratory experience working withpost-doc Ricardo Stein. He helped me learn the basicskills that I still use today; how to hydroponically growthe plants we work with, how to clean glassware andother materials properly in order to minimize contamination, and how to use the intimidating new lab equipment. After proving my proficiency and dependability, Iwas introduced to more complicated procedures.In just over one year’s time, I can now carry out every procedure from seed to measurement – an extremelyrewarding accomplishment. More gratifying than anything else, however, is seeing the results from my workcontribute to a publishable paper.Our research measures the effects of varying concentrations of iron and copper solutions on mineral contentand ferric reductase activity. (Ferric reductase is anenzyme present in roots that is able to convert Fe III toFe II.) We seek to determine the molecular pathways ofthese two metals in the plant and uncover the genes thatare involved at each step.An important skill I learned in doing research, especially in the biological sciences, is that consistency willsave you both time and materials. Being able to conducteach repetition of an experiment exactly the same way(unless, of course, it is not working and the proceduresmust be changed!) gives confidence that any variancein data is a result of the biological system’s nature andnot human error. Between the indispensable lab notebook and keeping consistent practices, you always knowexactly what you did. I must be doing something right, asDr. Waters often refers to me as “the machine” because ofmy ability to do the same thing over and over efficientlyand with almost no error.Up to this point, I have been working more on themacroscopic level, but Dr. Waters is currently teachingme to isolate RNA in order to measure gene expression.The results from these (somewhat complicated) procedures will answer many of the questions that previousresults cannot. We need both kinds of data to see the entire picture. As a result of helping with research like this,I believe I have learned just as much about plants fromworking in the lab as I have in the classroom.The atmosphere in our lab is not one of competition. We help each other with experiments and wouldnever consider sabotaging a coworker’s research. Ifsomething damages one member’s data, the entire lab isaffected; just as one member’s success boosts the successof the lab, one member’s failure increases the chances ofthe failure of the lab.Through my shared experiences with them, I’vebecome friends with all of my coworkers—many ofthem from diverse cultures. In only a year, I have hadthe privilege of knowing a grad student from China, apost-doc from Brazil and a Ph.D. student from India.Even the rest of us Americans in the lab come from verydifferent backgrounds!At the head of this lab, of course, is Dr. Waters. Hedoes not consider himself our “boss,” but rather he positions himself as our supervisor, our mentor, our leader.He calls us the “lab family,” and we have become justthat—a family.agronomy.unl.edu/horticulture.unl.edu

8Horticulture Club Activities ‘10--‘11by Jenny FreedThe University of Nebraska–LincolnHorticulture Club experienced anexciting year of growth, sales, andactivities. Beginning the fall of 2010 officerswere as follows: president Calla Jarboe,vice president Jenny Freed, secretary KatieWiepen, treasurer Molly Trausch, socialchairs Laura Houfek and Zach Rystrom,web coordinators Ivy Hoppes and RyanArmbrust, and historian Scott Dvorak.Horticulture Club started out the yearwith welcome back bowling and pizza. Atthe end of September, the club put on itsannual Fall Foliage Sale in both the Cityand East Campus unions. Fall break tookclub members to the east coast, traveling toNew York and Connecticut. The opportu-nity began in Dodgeville, NY and includedvisits to Lyndon Lyons, an African violetproducer, White Flower Farms, LymanOrchards, a walk through Yale University,Sunrise Marketing and Gouveia Vineyardsin Wallingford, Conn. The annual Poinsettia Sale was held in both the City and Eastcampus unions during the 15th week.Spring’s focus was on the annualSpring Sale. Beginning in January, the clubseeded, transplanted, watered, and cared fora variety of garden plants and vegetables.A couple of investments were made to thisyear’s Spring Sale including heating matsand directional signs. The club membersfinished off the year with the two-day SpringSale and the addition of a VIP night theevening before the sale. The final activity ofthe year was an end-of-the-year BBQ.Jessica Milby, Walt and Carol Schacht, and Laura Snell.Research & Charity in NamibiaDHorticulture Club membersUniversity of Nebraska–Lincoln Department of Agronomy & Horticulture 2011uring the month of May, JessicaMilby and Laura Snell traveledto Windhoek, Namibia, to assistin Dr. Walter Schacht’s research, aid inseveral missions, and travel the country.Dr. Schacht is currently spending the yearin

Lincoln. It has been accepted for inclusion in Agronomy and Horticulture Annual Newsletters by an authorized administrator of DigitalCommons@University of Nebraska - Lincoln. "Nebraska Green Scene: Annual publication by Agronomy and Horticulture 2011" (2011).Agronomy and Horticulture Annual Newsletters.Paper 6.

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