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Discovery that Connects

From fundamental insights to better plants, sustainably grown, serving the world

New SIPS faculty to offer diverse array of classes

-Magdalen Lindeberg

Recently hired faculty in the School of Integrative Plant Science will be offering several courses in the coming academic year. Some of these, like Gaurav Moghe’s “Concepts and Techniques in Computational Biology” and Carlyn Buckler’s “Digital Technologies in Science Communication” are newly developed. Other courses have existed previously, but will now reflect the perspectives and expertise of new instructors. Take a look – some of these may be a good fit for you or someone you know!

PLBRG 7170 – Quantitative Genetics in Plant Breeding – Kelly Robbins

Kelly Robbins
Kelly Robbins

This course will provide students with a solid foundation in quantitative genetics theory, as applied to the field of plant breeding, and introduce students to modern day applications in genomic selection and genome-wide association mapping. While the methodologies of plant and animal breeding are distinct in many ways, the core principles are the same and this course will attempt to cover topics in a way that is inclusive of animal breeding applications. Although this course will cover a wide range of topics it is by no means an exhaustive coverage quantitative genetics, and students are strongly encouraged to compliment the principles learned in the class with introductory courses in statistical methods and experimental design.  This is a 3 credit course offered in fall semester of alternate years.

Ying Sun
Ying Sun

PLSCS 4200 – Geographic Information Systems (GIS): Concepts and Application – Ying Sun
This course applies GIS data management and geospatial techniques to agronomic and natural environmental systems. The course is intended for undergraduate and graduate students interested in advancing their GIS knowledge with additional techniques and hands-on experiences in using GIS concepts/data/tools to address research questions in their interested fields of study. This three credit course is taught in the spring and will be the second time it has been offered by Sun.

 PLBIO 4000 / 6000 – Concepts and Techniques in Computational Biology – Gaurav Moghe  

Gaurav Moghe
Gaurav Moghe

This course is geared towards graduate students and advanced biology undergraduates seeking a better understanding of computational biology. Lectures will be a combination of presentations, paper discussions and hands-on sessions. Labs and paper discussions will have a significant component of plant science, but students from non-plant fields are also encouraged to register. Students will learn to work in a Unix environment, code using Python/R, and deploy tools for genome assembly, RNA-seq data analysis, local and global sequence alignment, protein domain searching using Hidden Markov Models, phylogenetic reconstruction, metabolomic analysis, and machine learning. Lectures will cover the algorithmic concepts underlying popular tools. The students will also learn practical aspects of implementing these tools in their own research using facilities available at Cornell. This is a new, four credit course, to be taught in spring of 2019.

BIOEE 1780 – An Introduction to Evolutionary Biology and Diversity – Chelsea Specht

Chelsea Specht
Chelsea Specht

This course considers explanations for pattern of diversity and the apparent good fit of organisms to the environment. Topics include the diversity of life, the genetics and developmental basis of evolutionary change, processes at the population level, evolution by natural selection, modes of speciation, long-term trends in evolution, origin of humans.

Students taking the 5-credit option read additional materials from primary literature and write essays in place of regular exams. The 5-credit option is limited to 15 students per section each semester with selection based on applications submitted the first day of class. Students enrolled in the 5-credit option will travel to the Galapagos Islands over Spring Break. This 4-5 credit course is offered fall and spring, with the spring class to be taught by Specht

PLSCI 4940 – Digital Technologies in Science Communication – Carlyn Buckler

Carlyn Buckler
Carlyn Buckler

Digital Technology and Science Communication will cover the most current digital technologies (DT) for use in science communication and research, as well as a look forward to new technologies being developed for science education, collections management, and other aspects of science research and outreach. Basic skills/resources will be covered to understand, design and develop products using augmented and virtual reality, 3D design and printing, online resources, and more. This course is “hands-on” and includes several small projects as well as a capstone final project. Students do not need prior experience with any of these technologies to be successful in the course.

We will discuss how to understand the return on investment of various technologies, using DT to increase the diversity in science,  increasing accessibility for those with disabilities, and to engage those with different learning styles to understand science in novel ways. Students will have access to lab space and resources for prototyping, testing, and development of digital resources. Buckler will also be teaching a class on Science and Society in Spring 2018.

A complete list of course offerings in the Plant Sciences and five SIPS sections can be viewed at the Cornell Registrar Site

Recent publications from the SIPS community – August 16, 2018

Acylsugar amount and fatty acid profile differentially suppress oviposition by western flower thrips, Frankliniella occidentalis, on tomato and interspecific hybrid flowers.

Ben-Mahmoud, S., Smeda, J.R., Chappell, T.M., Stafford-Banks, C., Kaplinsky, C.H., Anderson, T., Mutschler, M.A., Kennedy, G.G., and Ullman, D.E. 2018. PLOS ONE 13:e0201583.

On the mechanisms of development in monocot and eudicot leaves.

Conklin, P.A., Strable, J., Li, S., and Scanlon, M.J. New Phytologist 0.

‘Candidatus Liberibacter asiaticus’ minimally alters expression of immunity and metabolism proteins in the hemolymph of Diaphorina citri, the insect vector of Huanglongbing

Kruse, A., Ramsey, J.S., Johnson, R., Hall, D.G., MacCoss, M.J., and Heck, M. 2018. Journal of Proteome Research.

Genomic-enabled prediction models using multi-environment trials to estimate the effect of genotype × environment interaction on prediction accuracy in chickpea.

Roorkiwal, M., Jarquin, D., Singh, M.K., Gaur, P.M., Bharadwaj, C., Rathore, A., Howard, R., Srinivasan, S., Jain, A., Garg, V., Kale, S., Chitikineni, A., Tripathi, S., Jones, E., Robbins, K.R., Crossa, J., and Varshney, R.K. 2018. Scientific Reports 8:11701.

Agronomic Comparisons of Conventional and Organic Maize during the Transition to an Organic Cropping System.

Cox, W., and Cherney, J. 2018. Agronomy 8:113.

Comment period for proposed EPA rule on scientific sources ends August 16

-Magdalen Lindeberg

Proposed rule: Strengthening Transparency in Regulatory Science

This proposed rule by the Environmental Protection Agency (EPA) has significant consequences regarding the data that can be used for development of regulations. People with an interest in this policy change are urged to submit a comment on the EPA website, as commenting on rule changes is one of the most effective ways of making one’s voice heard in at the federal level. Read more at the Federal Register’s Guide to the Rulemaking Process.

Note that the original deadline of May 30 has been extended to August 16, 2018. Add your comment using the link in the upper right of the rule change page.

Summary of proposed rule:

This document proposes a regulation intended to strengthen the transparency of EPA regulatory science. The proposed regulation provides that when EPA develops regulations, including regulations for which the public is likely to bear the cost of compliance, with regard to those scientific studies that are pivotal to the action being taken, EPA should ensure that the data underlying those are publicly available in a manner sufficient for independent validation. In this notice, EPA solicits comment on this proposal and how it can best be promulgated and implemented in light of existing law and prior Federal policies that already require increasing public access to data and influential scientific information used to inform federal regulation. [summary from the EPA website]

Concerns about the proposed rule raised by scientific organizations:

AAAS press release [July 16, 2018] Public Health, Medical, Academic, and Scientific Groups Oppose EPA Transparency Rule

FASEB press release [July 12, 2018] FASEB Submits Comments Opposing EPA Notice: “Strengthening Transparency in Regulatory Science”

Recent publications from the SIPS community – August 8, 2018

Evaluation of Gelatin as a Biostimulant Seed Treatment to Improve Plant Performance.

Wilson, H.T., Amirkhani, M., and Taylor, A.G. 2018. Frontiers in Plant Science 9.

First Report of Tawny Blotch Caused by Parastagonospora caricis on Phalaris arundinacea in New York.

Fulcher, M.R., Winans, J.B., and Bergstrom, G.C. 2018. Plant Disease 102:1659-1659.

Functional analysis of African Xanthomonas oryzae pv. oryzae TALomes reveals a new susceptibility gene in bacterial leaf blight of rice.

Tran, T.T., Pérez-Quintero, A.L., Wonni, I., Carpenter, S.C.D., Yu, Y., Wang, L., Leach, J.E., Verdier, V., Cunnac, S., Bogdanove, A.J., Koebnik, R., Hutin, M., and Szurek, B. 2018. PLOS Pathogens 14:e1007092.

N-Terminal Extension and C-Terminal Domains Are Required for ABCB6/HMT-1 Protein Interactions, Function in Cadmium Detoxification, and Localization to the Endosomal-Recycling System in Caenorhabditis elegans.

Kim, S., Sharma, A.K., and Vatamaniuk, O.K. 2018.  Frontiers in Physiology 9.

August update from SIPS Director Chris Smart

Dear SIPS Community:

This summer has flown by! I don’t know about you, but I certainly agreed to participate in FAR too many things this summer and I’m running a bit behind schedule.

Many of us have attended scientific meetings and I’ve heard fantastic things about Botany 2018 (Annual Meeting of the Botanical Society of America and the American Society of Plant Taxonomists), the American Society for Horticultural Science 2018 Annual Conference, and the 2018 International Congress of Plant Pathology. Congratulations to those that won awards, and I hope everyone enjoyed hearing about great science and networking with colleagues. Read more about contributions and awards at the links provided.

Faculty search updates:

  • Assistant/Associate Professor of International Cropping Systems. I’m pleased to announce that Andy McDonald has accepted Cornell’s offer and will be starting January 1, 2019.
  • Assistant/Associate Professor of Plant-Microbe Biology. An offer has been made to the top candidate and negotiations are ongoing.
  • Assistant/Associate Professor of Grape Disease Ecology & Epidemiology (Geneva Campus). This search will re-open next month and Tom Burr will be the chair of the search committee.
  • Other search committees are being formed and updates on all of our new searches will begin next month.

SIPS Kudos

Congratulations to the following people who were recognized with a SIPS Kudos in the last month! Thanks for your effort and passion in support of SIPS.

  • Kim Cotton
  • Craig Cramer (recognized twice!!)
  • Fiona Doherty
  • Tara Reed
  • Michele Blackmore
  • Marcia Eames-Sheavly
  • Lori Brewer
  • Alicia Caswell
  • Amy Lanfair

If you would like to recognize anyone in SIPS, complete the brief form here:

All the best,

Cornell horticulturists converge on Washington DC for annual conference

Peck lab contributors at ASHS 2018

The 2018 General Conference of the American Society for Horticultural Science was held in Washington DC from July 29 – August 3rd. Many Cornell horticulturists and graduate students participated. This meeting had the highest attendance in more than two decades. Cornell hosted a reception for alums and faculty that approximately 40 people attended, including former professor Chris Wien who now lives in Annapolis.

SIPS apple researchers were well represented, with Lailiang Cheng presenting a talk on ‘Honeycrisp’ bitter pit incidence and fruit nutrient balance as affected by rootstock on behalf of co-authors Huifeng Li, Mario Sazo Miranda, Ben Orcheski and Terence Robinson.  Robinson, together with Gennaro Fazio, Herb Aldwinckle and James Cummins received the “ ASHS Outstanding Fruit Cultivar Medals” for Apple Rootstock G.41. Chris Watkins chaired one of the postharvest sessions where he and Yosef Al Shoffe presented work, also focused on apples.

Peck wins Outstanding Extension Publication Award

Greg Peck and his co-authors received the 2017 ASHS Outstanding Extension Publication Award for their paper “Managing Apple Crop Load and Diseases with Bloom Thinning Applications in an Organically Managed ‘Honeycrisp’/‘MM.111’ Orchard“. Greg also presented on his sustainable orchard soil research and his grad students Adam Karl, Nathan Wojtyna, and Yangbo Song gave two oral and one poster presentation on their hard cider research projects. Greg’s incoming doctoral student, Shanthanu Krishna Kumar, won the ASHS three-minute thesis competition called, “Scholars Ignite” based on his MS thesis that he completed at the University of Guelph.

Benjamin Gutierrez in Susan Brown‘s program spoke on “Linkage and Association Analysis of Dihydrochalcones in Apple Germplasm and Hybrid Populations” and Poliana Francescatto spoke on “Strategies to Improve Defoliation of Apple Nursery Trees in the Eastern US” on behalf of the Robinson program. Kenong Xu presented on “Fruit Tree Architecture Genomics and Breeding for Mechanization“.

From Neil Mattson’s lab, M.S. student Erica Hernandez presented a poster on “Selecting high-quality head lettuce for greenhouse production under differing supplementary light sources” and M.S. student Dylan Kovach presented a poster on “Response of tomato ‘Merlice’ to the interaction of daily light integral and carbon dioxide concentration”. Visiting scientist and PhD Candidate, Renwei Huang, presented a poster on “Effect of light spectrum on pigment accumulation and expression of pigment biosynthesis genes in red leaf lettuce”.

Thomas Björkman had four poster presentations of scientific work. These included one by PhD student Zach Stansell on the genetic structure of global broccoli and cauliflower. Stansell also presented his method for normalizing data from geographically dispersed raters evaluating subjective horticultural-quality traits. The others were an overview of the Eastern Broccoli Project for the SCRI Project Director workshop, one on willingness to pay for local broccoli, with Dyson student Carol Dong and professor Miguel Gomez, and one with the whole EBP regional trial team quantifying the size and nature of GxE interaction in low-heritability traits in broccoli. On the policy front, Björkman moderated a session on the political process that led to the establishment and expansion of the Specialty Crop Research Initiative, that he organized with Tom Bewick of NIFA and former Genevan Jim McFerson. He also led three training sessions for members who had made appointments to visit their representatives on Capitol Hill.

Marvin Pritts and others sample hard cider at Carter Mountain Orchard

Marvin Pritts presented a paper on the scientific contributions of Niels Hansen at a special session on Early Fruit Explorers and helped organize a tour of the fruit plantings at Monticello followed by an heirloom fruit tasting of some of Jefferson’s favorite apples, peaches and plums. Pritts was also a co-author of a talk delivered by Courtney Weber on production of day-neutral strawberries.

Anu Rangarajan spoke on the use of cover crops in organic production, and Bill Miller on maximizing postharvest quality of cut lilies.  Alan Lakso presented on the topic of microtensiometer monitoring of plant water potential to an Ecophysiology workshop on instrumental innovations. In a pre-conference workshop run by the USDA-NIFA Specialty Crop Research Initiative, SCRI project reports were presented by Terence Bates, Bruce Reisch, Thomas Björkman, and Lailiang Cheng. In addition to those previously mentioned, many Cornell researchers also presented posters, and Cornell students Archana Khadgi and Zachary Stansell were selected for the ‘Scholars Ignite’ Competition.

Emeritus Professor Chris Wien had a poster with USDA-ARS pepper breeder John Stommel describing new ornamental peppers that can be used with cut flowers. They feature novel colors and shapes and can be defoliated without the fruit abscising.

Cornell is well represented among the ASHS leadership with Justine VandenHeuvel and Bill Miller serving on the Annual Conference Technical Program Committee, Neil Mattson serving on the Membership Committee, and Thomas Björkman chairing the National Issues Committee.  Chris Watkins took on new leadership duties as newly elected Vice President for Extension and Marvin Pritts was elected president of the American Pomological Society – one of the oldest scientific societies in the United States founded in 1848, and where he will serve a two-year term.

heirloom fruit tasting at Monticello

Cornell plant pathologists contribute to “Plant Health in a Global Economy” at ICPP2018

-Magdalen Lindeberg

PPPMB grads and recent grads enjoying their time in Boston

Cornell plant pathologists turned out in force for the International Congress of Plant Pathology (ICPP), held July 29 – August 3 in Boston, Massachusetts.  Organized around the theme of “Plant Health in a Global Economy” this represented the 11th international congress and 50th anniversary year for its sponsoring international society.

Disease diagnosis and coordinated efforts for control

As part of a panel discussion on plant health education, Rachel McCarthy of Cornell’s Plant Disease Diagnostic Clinic presented “National Plant Diagnostic Network online training modules”. The session “Improving Disease Control Through Decision Support with Remote Sensing” was chaired by Sarah Pethybridge and Ian Small, a former student of Bill Fry. Pethybridge presented a paper in this session in addition to co-authoring “Assessment of crop health and losses to plant diseases in world agricultural foci” in a subsequent session. A session on potato late blight featured the paper “Decision support systems for late blight control and early warning” co-authored by Bill Fry.

Fungal and oomycete pathogens

Control of fungal diseases was the focus of a session co-chaired by Katrin Ayer in the Cox program and included Ayer’s presentation on, “Sensitivity of the apple scab pathogen, Venturia inaequalis, to SDHI fungicides”. The potential uses of light to control fungi, oomycetes, and arthropods was addressed in the session “Why Light Matters: New Concepts, Tools, and Practices to Suppress Plant Pathogens and Enhance Plant Health”, chaired by David Gadoury and Lance Cadle-Davidson. Three presentations in this session were authored by Gadoury and Cadle-Davidson lab members including “Calculation of dose and projected efficacy when using visible or UV light to suppress plant pathogens and arthropod pests” presented by Tyler McCann.

Presentations on mycotoxins included Rebecca Nelson’s on the impact of fungal diseases on the food systems in her talk, “Food safety on a regional basis (Mycotoxin contamination in maize)”.  Mickey Drott from the Milgroom lab presented on, “Balancing selection for aflatoxin in Aspergillus flavus is maintained through interference competition with, and fungivory by insects”

Maricelis Acevedo co-organized a session on rust pandemics and alternate hosts.

Virus pathogens

As part of a session on molecular virus-plant interactions, Shaonpius Mondal, in the Gray program, presented on “Within-plant distribution of PVY strain mixture differs spatio-temporally in potato cultivars”. Libby Cieniewicz in the Fuchs program spoke on “Insights into the epidemiology and transmission of grapevine red blotch virus” and a session on vector biology and virus epidemiology featured a talk by Jenny Wilson in the Heck program on “Molecular evidence of insect vector manipulation by a plant virus“. Both of these papers had numerous contributors from Cornell. Michelle Heck also presented on a Systems biology perspective of Interactions between Diaphorina citri and ‘Candidatus Liberibacter asiaticus’, another focus of research in her program.

Nematode pathogens

Xiaohong Wang‘s lab contributed to a session of resistance to nematodes with talks on “Understanding the function of a novel Gr29D09 effector family from the potato cyst nematode Globodera rostochiensis in host defense suppression” by Athena Yeh and “Functional characterization of a large group of CLE effectors encoded by Globodera cyst nematodes” by Shiyan Chen.

A total of 36 posters on various topics were presented by Cornell students and other researchers, many of whom actively tweeted updates and photos throughout the meeting. Search for #ICPP2018  on Twitter for details. In addition to the many speakers and presenters from Cornell, Rebecca Nelson and Sarah Pethybridge serve on the International Advisory Committee and Scientific Program Committee, respectively. Read the complete program.

Adrienne Gorny – Pethybridge program
Andy Reid – Bogdanove program
Lori Koebnik – Pethybridge program
Smart lab dinner
Julliany Silva – Khan program
Morgan Carter presents

Cornell students excel at collegiate weed contest

2018 Cornell Weed Science Team Members: Front Row- from left to right: Robert Galbraith, Stephen Owusu, Liang Cheng, Toni DiTommaso (faculty mentor), Amanda Sudlovsky, Aleah Butler-Jones, Gia Yao. Back row- from left to right: Matthew Spoth, Maria Gannett, Danilo Pivaral, Eugene Law, Jonathan Berlingeri.

Toni DiTommaso
Once again this year, Cornell students did a masterful job at the Northeastern Collegiate Weed Contest held on July 24, 2018 at the BASF Research facility in Pine Level, North Carolina. Teams competing included Clemson University, Cornell University, North Carolina State University, Ohio State University, Pennsylvania State University, Rutgers University, Virginia Tech, and the University of Guelph — which traditionally dominates the undergraduate category of the competition. Students compete in four categories: weed identification, sprayer calculation and calibration, herbicide identification, and farmer problems.

Two of our Cornell undergraduate students (Aleah Butler-Jones – 2nd place) and Jonathan Berlingeri – 3rd place) placed in the top three medal slots in the individual undergraduate category, again denying Guelph of the traditional medal sweep of this category. Congratulations Aleah and Jonathan and thank you to SIPS for providing support!

Cornell participants in this year’s contest included:

  • Graduate Team: Liang Cheng (Horticulture), Maria Gannett (Horticulture/Soil & Crop Sciences), Eugene Law (Soil & Crop Sciences),
  • Undergraduate Team (1): Jonathan Berlingeri (Agricultural Sciences) Aleah Butler-Jones (Agricultural Sciences), Danilo Pivaral (Agricultural Sciences), Amanda Sudilovsky (Development Sociology)
  • Undergraduate Team (2): Robert Galbraith (Agricultural Sciences), Stephen Owusu (Computer Science), Matthew Spoth (Agricultural Sciences), Gia Yao (Agricultural Sciences)
Aleah Butler-Jones receiving 2nd place undergraduate individual award from NEWSS President Carroll Moseley.
Jonathan Berlingeri receiving 3rd place undergraduate individual award from NEWSS President Carroll Moseley.

Interested in competing in a future year?  The four different areas of the competition are structured around the following parameters.

  • Weed identification: Students are typically given a list of 120 weed species to know (from seed to mature plant) some 4 months ahead of the contest and in the contest they will be asked to identify 25 of the species (5 of which will be seeds). For five of the 25 species, they will need to write down the scientific name of the species — common names are OK for the other 20 species. For each of the 25 species, students also need to choose a correct biology/ecology related multiple choice answer for that species. The students are provided live plants for the contest.
  • Sprayer calculation and calibration. For the sprayer calculation part of this contest category students are given 30 minutes to answer (written) a set of sprayer related problem sets that requires calculations and good knowledge of sprayer technology. The second component is a team hands-on event where the students need to properly calibrate a hand-held 4 nozzle sprayer and apply the proper amount of product (water in this case) based on a previously calculated spray volume and speed. They also have to select the proper nozzles and screen meshes based on the calculated spray rate and using a Teejet Manual.
  • Herbicide Identification: Considered the most difficult component of the contest, participants have to identify the correct 10 herbicides out of a list of 30 herbicides that were sprayed on test field plots. The students have to learn both what the specific herbicide symptomology looks like on affected plants as well as the selectivity or lack thereof of the herbicide based on 10 crops and 10 weeds that are in each plot. The students are also expected to know the family of the 10 herbicides they select as well their modes of action and site of action. Scoring 50% on this part of the contest is considered good!
  • Farmer Problems: In this interesting and fun part of the contest, students role play and need to solve a real crop/plant issue that may be related to herbicide use/misuse but often is not. The students are told at the outset what role they will take on (e.g. extension educator, industry representative) and what the general issue/problem they will be dealing with (e.g. why are some of this organic farmer’s tomatoes dying?). Volunteers at the contest (e.g. faculty, extension educators, industry reps) take on the role of the organic farmer and there is also a judge that keeps score of how well the student is doing in terms of asking the proper questions to arrive at solving what the issue may be. Students can score well even if they do not completely solve the problem as long as they ask relevant questions that eliminate other possibilities (e.g. environmental factors, plant diseases, insect/mammal damage, improperly cleaning out a sprayer tank, etc..).  The students need to provide a recommendation to the farmer or other stakeholder for the current year as well as next year. These farmer problems are done at appropriately set up field locations on the site where the contest is held (e.g. research farm) so that it feels like the “real” thing…. Each student has to solve two farmer problems.

Hodge lab contributes to discovery of psychoactive alkaloids in fungal cicada pathogens

-Magdalen Lindeberg

Cicada infected with Massospora

A study by an international group of mycologists, including Kathie Hodge in the SIPS Plant Pathology and Plant-Microbe Biology Section, has revealed the presence of behavior modifying alkaloids in fungi that infect and kill cicadas. The researchers have demonstrated that a species in the genus Massospora, infecting periodical cicadas, produces the plant amphetamine cathinone, while two species infecting annual cicadas produce psilocybin.

One of the manuscript coauthors, Angie Macias, received her B.S. at Cornell (Plant Sciences ’15) and is now a graduate student at West Virginia University in the program of Matthew Kasson, the study’s senior author. While at Cornell, Macias worked with Hodge at the CUP Herbarium and wrote an article on the Cornell Mushroom Blog, ‘Flying Salt Shakers of Death,’ that helped inspire Kasson’s investigation of this biological system.

Though not yet published, the findings are generating significant interest in popular and social media as evidenced by a recent article in The Atlantic.  The complete manuscript can be found on the preprint server BioRxiv.

Read more:

Recent publications from the SIPS community – August 2, 2018

Building the monocot tree of death: Progress and challenges emerging from the macrofossil-rich Zingiberales.

Smith, S.Y., Iles, W.J.D., Benedict, J.C., and Specht, C.D.  American Journal of Botany 0.

Segmental allopolyploidy in action: Increasing diversity through polyploid hybridization and homoeologous recombination.

Leal-Bertioli, S.C.M., Godoy, I.J., Santos, J.F., Doyle, J.J., Guimarães, P.M., Abernathy, B.L., Jackson, S.A., Moretzsohn, M.C., and Bertioli, D.J. 2018.  American Journal of Botany 105:1053-1066.

Effects of nitrogen fertilization in shrub willow short rotation coppice production – a quantitative review.

Fabio, E.S., and Smart, L.B. 2018.  GCB Bioenergy 10:548-564.

Large-scale replicated field study of maize rhizosphere identifies heritable microbes.

Walters, W.A., Jin, Z., Youngblut, N., Wallace, J.G., Sutter, J., Zhang, W., González-Peña, A., Peiffer, J., Koren, O., Shi, Q., Knight, R., Glavina del Rio, T., Tringe, S.G., Buckler, E.S., Dangl, J.L., and Ley, R.E. 2018. Proceedings of the National Academy of Sciences.

Targeted disruption of aphid transmission: a vision for the management of crop diseases caused by Luteoviridae members.

Heck, M., and Brault, V. 2018.  Current Opinion in Virology 33:24-32.

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