Identify Disorders
Spray Program
For solutions to all these pests and diseases, see the Spray Program page.Click on the part of the plant where the symptom is observed
How to use the key (part 1) -
Example 1: What is a possible reason for yellowing on the older leaves?
Screen 1
(The following options will appear on your screen. This is where you’ve observed the symptom.)
(In the case of example 1 you select "leaves")
Screen 2
(The following options will appear on your screen. This is what symptoms you’ve observed.)
- Yellowing of leaves
- Brown discolouring of leaves
- Abnormal growth of leaves
- White fungi on leaves
- Spots on leaves
- Insects
(Select "yellowing of leaves")
Screen 3
(The following options will appear on your screen. Select the appropriate option.)
(Select "old leaves are yellow ")
Screen 4
(The following solution will appear on your screen.)
Magnesium deficiency
How to use the key (part 2) -
Example 2: What is the reason for blackening/browning on the edges of the petals?
Screen 1
(The following options will appear on your screen. This is where you’ve observed the symptom.)
(In the case of example 2 you select "flowers")
Screen 2
(The following options will appear on your screen. Choose the symptoms you’ve observed.)
(Select "discolouring of flowers ")
Screen 3
(The following options will appear on your screen. Select the appropriate option.)
(Select "Discolouring on the edges of the petals")
Screen 4
(The following solution will appear on your screen.)
Thrips Damage
