Listing(s):
ANTHRACNOSE The main symptom of these anthracnose diseases appear as either; dead (dark coloured) spots, or sunken spots with a slightly raised rim. Spots can be small or large. Dark brown, purplish, red or black sunken spots appear on stems, fruits or seeds. This disease may cause fruit drop and fruit rot....(Excerpt from page) Click to read more
Blights, diseases that cause plant death This is where parts of a plant (eg. leaves) stop growing and die, often without rotting (rotting may occur later). A blight is generally sudden, and commonly involves death of parts of a plant, and sometimes dropping of leaves or fruit....(Excerpt from page) Click to read more
Canker, isolated tissues dying on plants A canker is a localised spot of dead tissue. It often starts as a small but definite dead area, then spreads, perhaps girdling a stem. This can then virtually "ringbark" a stem, killing growth further up. Cankers are caused by both bacteria and fungi. They commonly develop from a damaged or wounded area of tissue. If there is dieback from the tips of a plant, the cause may be a blight, or a canker which is "choking" the plant somewhere below the tip. ...(Excerpt from page) Click to read more
Frost Protection Many plants need to be protected from cold conditions. For some it’s a necessity – they won’t make it through a frosty winter without extra protection. Others will survive, but will grow much better with protection....(Excerpt from page) Click to read more
GUMOSIS | BLEEDING SAP FROM PLANTS Gummosis is the result of diseases, or insect attacks where liquid (sap) oozes from a plant....(Excerpt from page) Click to read more
Leaf Spots, plant diseases Leaf Spots are spots of dead or discoloured tissue on a leaf, often brown or black....(Excerpt from page) Click to read more
Managing Rots in plants A rot is a disease which causes decay or disintegration of plant tissue. The decay may be either dry (where the tissue remains hard), or wet (where the tissue becomes soft and squashy). It may affect only one part of the plant (eg. fruit or roots) or the whole plant. Rots can be caused by either fungi or bacteria....(Excerpt from page) Click to read more
Mildews on Plants These diseases cause young leaves and tip growth to become distorted and appear grey. They commonly occur on azaleas, apples, cucurbits, and a wide range of other plants.  There are three main types of mildew:...(Excerpt from page) Click to read more
Natural Pest and Disease Control How to Manage Pests Naturally...(Excerpt from page) Click to read more
Phytopthora; cinnamon Fungus Phytopthora cinnamomi, otherwise known as cinnamon fungus (and "die-back" in some cases) is a very serious fungus disease in both commercial crops as well as home gardens, and in some forest trees....(Excerpt from page) Click to read more
Plant Rust Diseases Rust diseases are caused by a group of fungi causes rusty brown, orange or yellowish spots or stripes, normally on leaves and stems; but sometimes on flowers or fruit....(Excerpt from page) Click to read more
Plant Viruses Viruses are small microscopic organisms which live inside the bodies of other organisms....(Excerpt from page) Click to read more
Scab Diseases Scab is a general name for a disease that causes minor russeting of the plant skin tissue to more severe rough corky areas which may be pitted or raised. Spots may be singular or join together to form larger lesions....(Excerpt from page) Click to read more
Understanding Plant Health Problems There are a wide range of things that can harm your plants....(Excerpt from page) Click to read more
What are Wilt Diseases WILT (Drooping foliage)...(Excerpt from page) Click to read more
What causes Galls Swellings, Lumps, Cancer Like growths on plants Galls are abnormal swellings, lumps or growths which can occur on virtually any type of plant tissue. Galls can be caused by certain fungi, bacteria, insects or nematodes....(Excerpt from page) Click to read more
What is Botrytis? These are one of the most common type of plant diseases. Also called "grey mould", they are serious, widespread diseases worldwide on flowers, vegetables, ornamentals, fruits and some field crops. They are very common in greenhouses....(Excerpt from page) Click to read more
What is Damping Off? Damping off is often seen as a rotting of young plants at soil level.  ...(Excerpt from page) Click to read more
What is Leaf Curl on Peaches? Leaf Curl (Taphrina spp.) refers to diseases cause deformed leaves (and sometimes flowers and fruit) on several stone fruits and forest trees....(Excerpt from page) Click to read more



Need Help?

Take advantage of our personalised, expert course counselling service to ensure you're making the best course choices for your situation.


I agree for ACS Distance Education to contact me and store my information until I revoke my approval. For more info, view our privacy policy.