This course provides students with an understanding of how various stresses affect normal growth and development of trees; introduces particular diseases which impact on tree health and wood quality and provides skills in recognizing signs and symptoms of pathological conditions.
Sign UpExplore our available course intakes, designed to fit your schedule with flexible start dates. Whether you're studying online or in-class, each session is structured to provide a clear learning pathway.
Below are textbooks for courses starting September to December. They are required unless otherwise stated. Please ensure you have acquired these before the courses start.
For courses starting in August, please refer to our textbook website for the Spring 2025 listing.
Please review our textbook website for guidance on purchasing a textbook. If you are unsuccessful in obtaining a textbook, please contact [email protected] immediately.
By: Paul D. Manion
Publisher: Prentice Hall Career and Technology
Edition: 2nd Edition, 1991
ISBN: 0139294236
Find answers to common questions about our courses, registration, fees, and more. Explore the FAQ section for quick solutions to help you get started.
You must be 19 years of age or older to register for an OntarioLearn course. Students 18 years of age or less must possess an Ontario Secondary School Diploma or equivalent to register.
Online courses have a variety of evaluation methods and may include the use of exams and/or assignments. All assessments are online will be completed through the course. The course schedule will indicate evaluations and their deadlines.
Certificates are not granted for taking individual courses. A copy of an official transcript can show course completion.
Online courses may have multiple start dates. Though we cannot guarantee a course will start in a future semester, we post At a Glance documents on our website around a month prior to registration open to show what is being offered.
Though many courses have been built to be textbook free, there is a chance that a textbook will be required. Textbooks are an additional cost and not included in the course fee. Review our textbook website to find textbook and purchasing information.
Withdrawal requests can be sent via email. Please include the course code and title in the email you send. Withdrawal dates and details can be found in the welcome email that is sent after registration or on our withdrawal website.
You will receive a welcome email with course information and login details.
Welcome emails are sent around noon on business days and 4 weeks prior to a course start date.
Follow the instructions on the welcome email. If you have any questions after reviewing the welcome email, please contact us at [email protected].
OL courses are accessible through OntarioLearn on the course start date. Welcome emails with access and login details are sent to registered students. Welcome emails are sent around noon on business days and around 4 weeks before a course start date. Please review our website for current OntarioLearn students for more information.
Many courses have been approved for equivalency towards Confederation College program courses. Review the equivalency list on our website to find more information.
Accommodations are available through the Accessibility Services department. Please visit their website for a list of supports available.