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Plant Pathology

Course CodeBHT206
Fee CodeS2
Duration (approx)100 hours
QualificationStatement of Attainment


Distance Learning Course in Plant Pathology Science

  • Become skilled at diagnosing and understanding plant diseases.
  • Enhance your career or job prospects in horticulture or farming
  • Improve your ability to grow plants
  • Understand the science of plant disease

Plant production is reduced significantly every year, due to pathological problems. To control these problems is to increase productivity, and for the horticultural business; that means increased profit margins.

PLANT PATHOLOGY IS NOT simply a study of pests & diseases. Some pests are in fact not pathological problems, and there are pathological problems which are not pests or diseases.

PLANT PATHOLOGY is about problems in plants caused by physiological damage or irritation at a cellular level. It is concerned with problems which affect parts of the plant cell, leading to malfunctions in the normal processes which occur

Lesson Structure

There are 8 lessons in this course:

  1. Introduction
    • Overview of plant disease
    • Diagnosis of problems: nutritional, environmental, pathological
    • Symptoms
    • Common terminology
  2. Types of Diseases
    • Morphological changes
    • Necroses
    • Hypoplases
    • Hyperplases
    • Types of pathogens: viruses, bacteria, actinomycetes, fungi, nematodes
    • Techniques for diagnosing plant diseases: optical equipment, preparing pathogens for observation, culture methods, inoculation, etc
    • Plant viruses; detection and diagnosis
    • Plant nematodes
    • Case study: Australian plant nematodes
    • Main types of diseases
    • Spots
    • Rots
    • Cankers
    • Galls
    • Mildews
    • Rusts
    • Moulds
    • Wilts
    • Scabs
    • Others
    • Using a key to diagnose diseases in plants
  3. The Lifecycle of a Disease
    • Inoculation
    • Penetration
    • Infection
    • Growth and reproduction
    • Dissemination
    • Methods of penetration by bacteria and nematodes
    • Lifecycle of nematodes
    • Fungal biology
    • Role of insect spreading fungal and bacterial pathogens
  4. Control Techniques
    • Sanitation
    • Resistant Plant Varieties
    • Biological Controls
    • Soil Drenches/dips
    • Chemical Controls
    • Nematicides
    • Soil fumigants
    • Contact poisons
    • Fungicides and the environment
    • Systemic fungicides
    • Misters, dusters, blowers, sprayersSpray maintenance and cleaning
    • Natural controls: cultural, physical, biological, etc
    • Terminology
  5. Selected Pathogen Diseases Ornamentals
    • Fungi affecting turf
    • Phytopthera cinnamomi
    • The process of tree decay: Shigo
    • Case study: how phytopthera cinnamomi kills a susceptible Eucalyptus
    • Peach powdery mildew
    • Rose powdery mildew
    • Honey fungus on rhododendrons and azaleas
    • Petal blight on rhododendrons and azaleas
  6. Selected Pathogen Diseases Crops
    • Sclerotinia rot in vegetables
    • Nematodes and citrus production
    • Citrus diseases: scaly butt, lemon crinkle, citrus canker
    • Brown rot
    • Fire blight
    • Apple fruit rot caused by trichoderma harzianum
    • Prunus necrotic ringspot virus in cut flower roses
    • Potato and tomato blight
    • Club root
  7. Non-Infectious Diseases
    • Nutritional disorders
    • Lack of water
    • Excess water
    • Other environmental problems
    • Disorders caused by man: mechanical damage, pollution
    • Case Study: Air pollution
    • Other disorders: genetic, disturbed growth
    • Non parasitic turf problems
  8. Special Project

Each lesson culminates in an assignment which is submitted to the school, marked by the school's tutors and returned to you with any relevant suggestions, comments, and if necessary, extra reading.

Aims

  • Describe a range of pathological problems that affect plants.
  • Describe symptoms of a range of diseases that affect plants.
  • Describe disease life cycles and explain how this knowledge can be applied in disease control
  • Explain the methods used to control diseases
  • Demonstrate a comprehensive knowledge of a particular plant pathogen.
  • Identify and describe a range of non-infectious diseases and problems that affect plants
  • Identify and describe a range of common pathogens that affect ornamental plants.
  • Identify and describe a range of common pathogens that affect crop plants

 

The first part of the course develops an understanding of the different types of problems which can occur and how to identify them.

Terminology is covered in some depth, so as to enable the student to be able to read & understand books & articles written about plant diseases. Other major topics of study include "symptoms" (ie: Necroses, Hypoplases, Hyperplases, etc), "types of pathogens" (ie: Viruses, bacteria, fungi, Nematodes, etc), and the lifecycle of a disease.

The second part of the course looks at how to control pathologyproblems. The major methods of controlling pathogens (ie: Sanitation, resistant varieties, biological controls, soil drenches & chemical sprays, etc) are all studied, along with types of equipment & safety.

The third part of the course looks at some of the most common plant pathology problems in commercial horticulture, how to identify them and how they are controlled.

Some of the problems studied include cinnamon fungus, tree decay, powdery mildew, nematodes, brown rot, blights, turf fungi, damping off and non infectious problems such as temperature burns, air pollution, wind burn and excessive light.

The course is a highly practical one involving as much time in practical/field work as it does theory.

No prior formal training is required, though anyone undertaking this course is expected to have some experience in horticulture (either having worked in the industry or having studied in some related discipline.

 

FREQUENT QUESTIONS

Why Choose This Course

  • Unique course materials (developed by our staff) and more current than some colleges (many reviewed annually); as a result, ACS graduates can be more up to date.
  • We work hard to help you understand and remember it, develop an ability to apply it in the real world, and build networks with others who work in this field (It’s more than just serving up a collection of information –if all you want is information, buy a book; but if you want an education, that takes learning to a whole new level).
  • Start whenever you want, study at your own pace, study anywhere
  • Don’t waste time and money traveling classes
  • We provide more choices–courses are written to allow you more options to focus on parts of the subject that are of more interest to you; a huge range of elective subjects are offered that don’t exist elsewhere.
  • Tutors are accessible (more than elsewhere) – academics work in both the UK and Australia, 5 days a week, 16 hours a day. Answering emails and phone calls from students are top priority.
  • We treat students as individuals –don’t get lost in a crowd. Our tutors communicate with you one to one.
  • Extra help at no extra cost if needed. When you find something you cannot do, we help you through it or will provide another option.
  • Support after you finish a course –We can advise about getting work, starting  business, writing a CV, etc. We can promote students and their businesses through our extensive profile on the internet. Graduates who ask will be helped.
  • Support from a team of a dozen professional horticulturists, living in different parts of the UK, and in both temperate and tropical climate zones of Australia.

About ACS

ACS was started in 1979 by John Mason, who at the time was a gardening author, horticultural consultant and lecturer in horticulture at several colleges across Melbourne (in Australia).  Over the summer that year John discovered that there were thousands of applicants going to be turned away from horticulture courses at Burnley Horticultural College (now Melbourne University). There were simply too few courses being offered for the number of people wanting to study horticulture in Australia. This situation prompted a move to establish a correspondence course at Burnley; but after months of unsuccessful lobbying for support from government; John wrote a course, and with help from a colleague at Council of Adult Education, marketed it.

Standards were originally set in line with what were seen to be the standards of Australia's top horticultural college; and over the years, those standards have never been reduced. This makes our courses longer and more demanding than some other colleges; but it has also led to us building a credibility that stands tall in the horticulture industry across the world. 

In the early 1990's John started visiting the UK and becoming involved with the horticulture industry there. Around the mid 1990's ACS began offering RHS courses, and in 2003, John was formally recognised for his contribution to British Horticulture by being made a fellow of the Institute of Horticulture. ACS, as a school, established an office and staff in the UK in 2001, and has expanded considerably since then. Today it is formally affiliated with five other colleges in the UK (including Warwickshire College); all of who license and deliver ACS courses. 

A team of leading horticulturists work for the school's horticulture department, including 12 faculty members in both the UK and Australia

 

How You Study

  • As soon as you enroll, we send an email to explain it all.
  • We direct you to a short orientation video (downloadable over the internet) to watch, where our principal introduces you to how the course works, and how you can access all sorts of support services
  • You are either given a code to access your course online, or sent out a CD or course materials through the mail (or by courier).
  • Work through lessons one by one, each lesson typically having four parts:
    • An aim -which tells you what you should be achieving in the lesson
    • Reading -notes written and regularly revised by our academic staff
    • Set Task(s) -These are practicals, research or other experiential learning tasks that strengthen and add to what you have been reading
    • Assignment -By answering questions, submitting them to a tutor, then getting feedback from the tutor, you confirm that you are on the right track, but more than that, you are guided to consider what you have been studying in different ways, broadening your perspective and reinforcing what you are learning about
    • Other - Your work in a course rarely stops at just the above four parts. Different courses and different students will need further learning experiences. Your set task or assignment may lead to other things, interacting with tutors or people in industry, reviewing additional reference materials or something else. We treat every student as an individual and supplement their learning needs as the occasion requires.
  • We provide access to and encourage you to use a range of supplementary services including an online student room, including online library; student bookshop, newsletters, social media etc.
  • We provide a "student manual", that is a quick solution to most problems that might occur

Recognition

  • ACS has a highly respected international profile: by employers and academics alike. People are more aware of us than many other distance education schools –just do a search for “horticulture distance education courses” and see what comes up on the internet; or search for ACS Distance education on Facebook or Linked in, and see how many connections we have compared to other colleges.
  • Recognised by International Accreditation and Recognition Council
  • ACS has been educating people around the world since 1979
  • Over 100,000 have now studied ACS courses, across more than 150 countries
  • Formal affiliations with colleges in five countries
  • A faculty of over 40 internationally renowned academics –books written by our staff used by universities and colleges around the world.

Extra Books or Reference Materials

  • The course provides you with everything that you need to complete it successfully.
  • Assignments may ask you to look for extra information (eg. by contacting nurseries, visiting gardens or searching the internet), but our school's resources and tutors are always available as a back up. If you hit a "roadblock", we can quickly send you additional information or provide expert advice over the phone or email; to keep you moving in your studies.
  • Some students choose to buy additional references, to take their learning beyond what is essential for the course. If a student wants to buy books, we operate an online bookshop offering ebooks written by staff at the school. Student discounts are available if you are studying with us. The range of e books available is being expanded rapidly, with at least one new ebook being written and published by our staff every month.
  • See www.acsebook.com  for ebooks (available in pounds stirling). We also sell books through our Australian bookshop (selling in Australian dollars) at www.acsbookshop.com

 

 

 Click here to visit the ACS online bookstore and view outlines of books related to this subject