UCC1: New Course Transmittal FormDepartment Name and Number

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Rev. 10/10

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Full Course Title

Insects as Vectors of Plant Pathogens ENY 5XXX, Section XXXX

Fall 2013 Syllabus Instructors: Dr. Jennifer Gillett-Kaufman, Assistant Extension Scientist, Entomology and

Nematology Department. Ph.D. Plant Pathology; focus on basic plant pathology and insect-fungal interactions. Presently involved in IPM research and extension. Her office is 3004, Entomology and Nematology Building on Natural Area Drive. Office phone: (352) 273-3950. gillett@ufl.edu

Dr. Nabil Killiny, Assistant Professor, Entomology and Nematology Department, Citrus Research and Education Center. Ph.D. Biological and Medical Sciences; focus on pathogen-vector molecular interactions. Office phone: (863) 956-8833 Lab: (863) 956-8835 nabilkilliny@ufl.edu

Office hours: Dr. Gillett-Kaufman will be available to students on Monday’s from 8:00-10:00 AM, on

Thursday’s from 2:00-4:00 PM and by appointment. She can be reached on e-mail gillett@ufl.edu at all times.

Dr. Killiny will be available to students on Monday’s from 8:00-10:00 AM, on Thursday’s from 2:00-4:00 PM and by appointment. He can be reached on e-mail nabilkilliny@ufl.edu at all times.

Meeting time and place: Online asynchronous delivery of this course will be facilitated

using the UF eLearning management system Sakai: https://elearning2.courses.ufl.edu/portal.

You can take the course at your own pace. Be advised you must have the final writing assignment complete three weeks before the end of the semester. The final test must be taken by the last class day of the semester you are enrolled or you will be assigned an incomplete grade and your final grade will be reduced by a letter grade.

Course prerequisites: Students must have an introductory course in entomology (ENY3005, ENY5006, or equivalent) completed before beginning this course. An introductory course in plant pathology would be helpful, but is not required. Course description: This course presents current information on insect, other arthropod and nematode vectors of plant pathogens, and the role and management of these vectors in agricultural and environmental areas. The material discussed in this course deals with the identification and morphology of important vectors and how these features affect transmission of plant pathogens.

Course objective: The goal of this course is to provide students with an understanding of the biology of arthropods and nematodes and the role they play in the spread of different plant pathogens. Student learning outcomes:

1. Students will be able to identify common insect vectors of plant pathogens and explain the mechanisms that promote vector competence.

2. Students will know how insect and nematode morphology contributes to their ability to transmit plant pathogens.

3. Students will be able to choose the best current techniques used in the study and management of insect vectors for various scenarios.

4. Students will produce an extension publication on the role that arthropods and nematodes play in the spread of different plant pathogens and will be encouraged to publish the work.

Textbook: Suggested: Agrios, G.N. 2005. Plant Pathology. Elsevier, ISBN: 978-0-12-044565-3 or a similar general plant pathology text. Required readings:

1. Agrios, G. N. 2008. Transmission of plant disease by insects. in J. L. Capinera, ed. Encyclopedia of Entomology, 2nd edition. Dordrecht: Kluwer Academic. Pages 3853-3885.

2. Fereres, A. and A. Moreno. 2009. Behavioural aspects influencing plant virus transmission by homopteran insects. Virus Research. 141: 158-168.

3. Halbert, S.E. 2008. Management of Insect-Vectored Pathogens of Plants. in J. L. Capinera, ed. Encyclopedia of Entomology, 2nd edition. Dordrecht: Kluwer Academic. Pages 2277-2280.

4. Hunter, W. B. 2008. Plant Viruses and Insects. in J. L. Capinera, ed. Encyclopedia of Entomology, 2nd edition. Dordrecht: Kluwer Academic. Pages 2939-2945.

5. Jeger, M.J., Z. Chen, G. Powell, S. Hodge, and F. van den Bosch. 2011. Interactions in a host plant-virus–vector–parasitoid system: Modeling the consequences for virus transmission and disease dynamics. Virus Research. 159: 245-222.

6. Killiny, N. and R. P. P. Almeida. 2009. Host structural polysaccharide induces vector transmission of a bacterial plant pathogen. Proceedings of the National Academy of Science. 106: 22416-22420.

7. Mitchell, P. L. 2004. Heteroptera as vectors of plant pathogens. Neotropical Entomology [online]. 33: 519-545.

8. Rashed, A., N. Killiny, J. Kawn, and R. P. P. Almeida. 2011. Background matching behaviour and acquisition: Plant tissue preference does not predict the bacterial acquisition efficiency of vector. Arthropod-Plant Interactions. 5: 97-106.

Additional readings for the course will be posted online at: https://elearning2.courses.ufl.edu/portal. Grading: This course does NOT utilize “minus” grades. Information on UF’s grading policy can be found at: http://www.registrar.ufl.edu/catalog/policies/regulationgrades.html The grading scale for this course is as follows: Grading scale (points): 360-400 A 352-359 B+ 320-351 B 312-319 C+ 280-311 C 272-279 D+ 240-271 D <239 E ENY 5XXX Point Value Total Tests (3) 100 each 300 Extension Article 100 100 400 Grading policy: Grading is based on a total point value of 400. All writing assignments are due at least three weeks before the end of the semester and must be submitted using Sakai as an unlocked MS Word document. Late submissions will be docked 10% on the individual component grade for each 24 hrs after each deadline. Tests will consist of multiple choice, short answer and essay questions and will only include the material noted in the course outline for each test. This is an asynchronous course; students may take tests at any time during the semester as long as the final test is complete by NOON on the last class day of the semester. If these conditions are not met you will be assigned a failing grade unless you complete a CALS Incomplete Grade Contract by the published last day of the semester. If you fill out, and we agree on terms in a CALS Incomplete Grade Contract, your final grade after completing missed assignments or tests will be reduced by a full letter grade, unless you provide a University of Florida accepted excuse (see below for examples). Accepted excuses: 1. Required student participation in a University sponsored event: These events will

be excused with official documentation from the appropriate faculty or staff member.

Documentation must be received PRIOR to the event and every attempt to complete the assignment prior to the event should be made.

2. Religious Holidays: Religious holidays are always excused; however, please notify

the instructors, in writing, within the first two weeks of class so that appropriate accommodations may be made. Every attempt to complete the course prior to the holiday should be made.

3. Medical Emergencies: Medical emergencies are excused with appropriate

documentation from a health care provider. 4. Family Emergencies: These emergencies are only excused with written

documentation. Attendance: Interaction with the other attendees on Sakai Discussions and in the Sakai Chat Room will be made available as these facilitate learning. Although this course is taught entirely online and uses asynchronous delivery, students who do not work on this class weekly or who skip online lectures and reading material do not do well in this course. Extension Article: Each student is required to provide a list of potential topics for approval and submit an Extension or Featured Creatures (FC) article on the approved topic. Students must choose an arthropod/nematode and plant pathogen relationship that is NOT CURRENTLY AVAILABLE in or planned for FC (http:// entnemdept.ifas.ufl.edu/creatures). This paper should include information on the biology of the plant pathogen as well as the vector. Additional information on this project will be provided online. Students must provide an electronic unlocked Word document copy of the FINAL ARTICLE on Sakai. The final articles are due three weeks before the last class day of the semester with this date indicated on the Sakai calendar. Other FC deadlines are provided in the course schedule below.

Evaluation of Writing Assignments: Writing assignments are evaluated for grammar, style, content and adherence to the topic. The Featured Creatures article grade will be determined through a 3-step evaluation process that includes topic approval, submission of a 1st draft and submission of a final draft. Please be sure to read the following to ensure that you are meeting ALL deadlines. Failure to adhere to the schedule and process will result in lost points. Late submissions will be docked 10% on the individual component grade for each 24 hrs after each deadline. Additional information on writing the FC article and examples of topics will be provided in online.

1. Students must submit a list of 4 topics for approval on Sakai to receive approval for their topic BEFORE proceeding. The topic must be submitted by the 4th week of class. (10 pts.)

2. To be eligible for full credit, the first draft must be submitted on Sakai by the 8th week of class. Dr. Gillett-Kaufman and Dr. Killiny will review these drafts for effort, form, adherence to guidelines and overall progress. (30 pts.)

3. The final draft of your FC is due three weeks before the last class day of

University scheduled courses for a given semester. You will be evaluated on the completeness of the overall document, grammar and spelling, thoroughness of the subject matter, incorporation of appropriate original artwork and the incorporation of suggested revisions (not all suggestions must be incorporated, but you must justify when comments are not incorporated) and adherence to format (using provided documentation). (60 pts.)

Tentative course calendar: We suggest you follow the timeline below to complete all of the material required for this class. Specific deadlines for FC articles are included. Lecture Date Topic Week 1 Historic background of vector-borne plant disease Week 2 Mechanisms of insect transmission of plant pathogens (persistence,

circulation and propagation)/ terminology of vector entomology Week 3 Mechanisms of insect transmission of plant pathogens- continued

Mechanisms of nematode transmission of plant pathogens Week 4 Ecological aspects of insect transmission of plant pathogens

Topics for FC papers due by noon Friday

Week 5 Classification and biology of vectors (aphids, leafhoppers, whiteflies, nematodes, others)

Test 1 covers the material you have covered to this point. If you have questions about the material please contact an instructor before beginning the test.

Week 6 Insect as vectors of Bacteria Case studies:

A. Sharpshooter leafhoppers, vectors of Xylella fastidiosa B. Psyllids, vectors of Candidatus, Liberibacter asiaticus, C. L.

solanacearum Week 7 Insect as vectors of Mollicutes (bacteria without cell wall)

Case studies: A. Leafhoppers, vector of Phytoplasmas B. Leafhoppers, vectors of Spiroplasmas

Week 8 Fungal Plant Pathogens- classification Week 9 Insects as vectors of Fungi

FC 1st Draft due by Noon Friday

Week 10 Insects as vectors of Fungi- continued Week 11 Management of Insect Vectored Fungal Pathogens

Case studies: Chestnut blight, Dutch elm disease and Laurel wilt Test 2 covers the Week 6 to Week 11 material.

If you have questions about the material please contact an instructor before beginning the test. Week 12 Insects as vectors of Plant Viruses

I- Non persistent viruses Case studies: The majority of potyviruses (aphids)

Week 13 II- Semi-persistent viruses Case studies: Cauliflower mosaic virus and Citrus tristeza virus (aphids)

Week 14 III- Persistent viruses. Case studies: Geminiviruses such as Tomato yellow leaf curl virus (whiteflies) FC Final Draft due

Week 15 Proteins involved in vector transmission and pathogen-vector interactions

Week 16 Border patrol, bioterrorism and the use of insect vectored plant pathogens

Final Test covers the Week 12 to Week 16 material. Must be complete by NOON on the last class day of the semester

This timeline is a suggestion for completing the course by the end of the semester without rushing. If you choose to complete the course faster it is your choice. Be advised that the dates for submitting assignments are static; if you are late you will lose points for that component of your grade. The date listed for the final test is the last date that the test will be available. The final test must be taken by the last class day of the semester you are enrolled or after completion of the final your final grade will be reduced by a full letter grade.

Grades and Grade Points For information on current UF policies for assigning grade points, see https://catalog.ufl.edu/ugrad/current/regulations/info/grades.aspx Academic Honesty, Software Use, Campus Helping Resources, Services for Students with Disabilities

Academic Honesty

In 1995 the UF student body enacted an honor code and voluntarily committed itself to the highest standards of honesty and integrity. When students enroll at the university, they commit themselves to the standard drafted and enacted by students.

The Honor Pledge: We, the members of the University of Florida community, pledge to hold ourselves and our peers to the highest standards of honesty and integrity.

On all work submitted for credit by students at the university, the following pledge is either required or implied: "On my honor, I have neither given nor received unauthorized aid in doing this assignment."

Students should report any condition that facilitates dishonesty to the instructor, department chair, college dean, Student Honor Council, or Student Conduct and Conflict Resolution in the Dean of Students Office.

(Source: 2011-2012 Undergraduate Catalog) It is assumed all work will be completed independently unless the assignment is defined as a group project, in writing by the instructor. This policy will be vigorously upheld at all times in this course. Software Use: All faculty, staff and students of the university are required and expected to obey the laws and legal agreements governing software use. Failure to do so can lead to monetary damages and/or criminal penalties for the individual violator. Because such violations are also against university policies and rules, disciplinary action will be taken as appropriate. Campus Helping Resources Students experiencing crises or personal problems that interfere with their general well-being are encouraged to utilize the university’s counseling resources. The Counseling &

Wellness Center provides confidential counseling services at no cost for currently enrolled students. Resources are available on campus for students having personal problems or lacking clear career or academic goals, which interfere with their academic performance.

• University Counseling & Wellness Center, 3190 Radio Road, 352-392-1575, www.counseling.ufl.edu/cwc/

Counseling Services Groups and Workshops Outreach and Consultation Self-Help Library Training Programs Community Provider Database

• Career Resource Center, First Floor JWRU, 392-1601, www.crc.ufl.edu/

Services for Students with Disabilities The Disability Resource Center coordinates the needed accommodations of students with disabilities. This includes registering disabilities, recommending academic accommodations within the classroom, accessing special adaptive computer equipment, providing interpretation services and mediating faculty-student disability related issues. 0001 Reid Hall, 352-392-8565, www.dso.ufl.edu/drc/

UCC: External Consultations

Rev. 10/10

External Consultation Results (departments with potential overlap or interest in proposed course, if any)

Department Name and Title

E-mailPhone Number

Comments

Department Name and Title

E-mailPhone Number

Comments

Department Name and Title

E-mailPhone Number

Comments

Response to review of syllabus for proposed new Entomology and Nematology course by the Plant Pathology Curriculum Committee

Course Title- Insect Vectors of Plant Pathogens Review suggestions received February 27, 2012 "The document sent to us describing the course is clearly preliminary (ie does not conform to IFAS Curriculum Committee standards). In its current state it raises more questions than it answers. If Entomology goes forward with this course, the following comments from our Curriculum Committee might be helpful as they prepare for submission to IFAS Curr. Comm. and will need to addressed if they would like our endorsement."

We believe the syllabus is ready for review by the CALS Curriculum Committee and we believe we are up-to-date with their requirements as we understand them. The other questions are answered individually below.

“The focus of the course is unclear. Is the focus primarily on the vectors or does it propose a balance of content of both vectors and pathogens and mechanisms of transmission?"

The course will focus on insect and nematode vectors of plant pathogens, and vector management. In addition it will cover mechanisms of transmission. A general knowledge of plant pathogens will be relayed so students understand why we are concerned with insect transmission of plant pathogens. This is not a plant pathology course.

“If the focus is on the vectors, then Agrios might be an adequate resource. If the focus includes mechanisms of transmission then Agrios is too superficial a resource, and the instructors should supply more current literature.”

With a focus on vectors and transmission we have made Agrios a suggested text. An appropriate text on insect vectors of plant pathogens is unavailable so we have added a reading list of current review articles by subject area specialists and journal articles on current management tactics to supplement the lectures. Adoption of a text is a high priority for the instructors and they intend to review new options as they are published.

“If the content is primarily the vectors, then we suggest "Insects as vectors of plant pathogens" would be a more appropriate title."

We have adopted their title as suggested. “If the content is the more balanced option then (1) there should be a plant path prerequisite, (2) there should be more pathogen-related content in the course, (3) there should be more plant pathology expertise involved on the instructor side, and (4) it should be cross-listed for both entomology and plant pathology.”

Because the content is primarily focused on the insect and nematode vectors, the other comments in this series do not require additional changes. At the last CALS Curriculum Committee (3/23/2012) meeting, cross listing of courses was discussed and we were informed after the meeting that cross listing is not a practice approved by CALS.

“The content appears to overlap significantly with a class in Entomology taught by Susan Webb which covers plant viruses and insect vectors. I think that they need to address this overlap since Webb’s class is taught DE using polycom. Perhaps they could redesign the course to focus on vectors of bacteria and bacteria-like pathogens.”

The seminar taught by Dr. Webb is a one credit course that is only available once every other year. We have discussed the new course with Dr. Webb and she thinks it will be a good addition to the Department's course offerings. Limiting the course to focus on vectors of bacteria and bacteria-like pathogens would hinder students who are unable to take Dr. Webb's seminar. The Polycom course offered by Dr. Webb has very limited availability, except to students at RECs and in Gainesville. Our web-based course will be readily available worldwide asynchronously.

Additional questions about the course were raised at the CALS Curriculum Committee meeting on March 23, 2012. "The text was unclear if the students with an Incomplete grade would be required to take the final test or would they only be penalized a letter grade?"

Text in the syllabus has been changed to clarify that students will have the grade penalty applied after they complete all of the course requirements, including the final test.

"Students will be dropped a grade if they fail to meet course requirements. Is this a full grade or to the next grade (A- to B+, or A to B)"

Text in the syllabus has been changed to clarify that the penalty will be the loss of a full letter grade (A to B).

"The word biology should be added to the course objective at some point after the word insect."

That addition has been made. "Two courses in Plant Pathology cover some insect vectored diseases, why don't students just take these two courses?"

The intent of this course it to explore the diversity of insect and nematodes that vector plant pathogens while introducing Entomology and Nematology majors to several plant pathogens using case studies and journal readings. This course is available to students who want to develop a stronger understanding of these interactions; it is not intended to serve as a plant pathology course that focuses on a specific type of pathogen. The two

courses in Plant Pathology are suggested for our students who are specializing in insect transmission of viral or bacterial plant pathogens.

Plant Virology- PLP 6223. Jane Polston. Four lectures are taught during the semester, 3 of the 4 are listed as being taught by S. Webb from the Entomology and Nematology Department (most recent syllabus found online Fall 2005 Syllabus- http://plantpath.ifas.ufl.edu/Information/Classes/PLP6223.pdf ) I have requested an up-to-date syllabus to determine if the amount of information delivered on vectors has changed in the last 7 years. Bacterial Plant Pathogens- PLP 6241. Jeff Jones. I was unable to determine if any insect or nematode vector content is delivered in this course based on the syllabus (Spring 2012 Syllabus- http://plantpath.ifas.ufl.edu/Information/plpGraduateProgram/syllabusplp62412012MS&PhD.doc ). I emailed Jeff for clarification and he responded that he spends little to no time on insects in his course except to include how insects fit into certain disease cycles.