Why is there rust on my cymbidium orchid?

The leaves on my cymbidium orchids have very quickly developing brown spots on the leaves 'I presume it is rust or some other fungal disease. Can I use lime sulphur? If not, what would you recommend. (I have moved them apart to allow more air circulation, and have started to avoid water on the leaves.) Thankyou Warwick

yates

16 March 2015 11:01 PM

The brown spots on your cymbidium leaves are likely to be a fungal leaf spot. The product you need to apply is Yates Leaf Curl Copper Fungicide Spray. You can see a picture of the product using the below link. With regard to lime sulphur, our product isn't registered for the control of fungal spot on orchids.

Topics: Flowers and Ornamentals Issues: Diseases