Garden Diseases

Ageing Banana Leaf is a natural occurrence when the Banana leaf gets older and finally starts to loose chlorophyll and eventually dies off. It can develop a fungus in the leaf or leaf spots in the yellowing area. It should be removed by pruning with a sharp tool not jus...

Amyema cambagei - Casuarina Mistletoe is a parasitic plant which lives on the host plant in the case Casuarina glauca. Casuarina Mistletoes draw mineral nutrients and water from the host plant and are spread by mistletoe birds to other host plants. Infected trees gradu...

Amyema miquelii on Eucalyptus is a parasitic plant which lives on the host plant in this case Eucalyptus tereticornis. Mistletoes draw mineral nutrients and water from the host plant and are spread by mistletoe birds to other host plants. Infected trees gradually die if...

Bacterial Leaf Spot is a fungus disease which develops a small spot on the leaves which increases in size until the whole leaf turns yellow with browns spots and falls off the plant. They generally occur in humid wet weather. Control: Check for any organic control meth...

Black spot on Roses is a fungus which causes black spots on the leaves. These black spots have an irregular edge which is surrounded by yellowing of the leaves. The leaves eventually turn completely yellow and fall off the plant. This weakens the plant and can cause att...

Boron and Potassium Deficiency have affected the flowering in this Eucalypt. Due to lack of these nutrients the flower has failed to open and thus began to rot. Remove affected and unsightly flower heads and leaves and burn. Develop a proper fertilizer program by usin...

Boron Deficiency - Shot Hole appears as small spots on the leaves which turn yellow then papery and die and fall out. It will slow the growth of fruit and flowers especially in the buds which could be withered without opening. Remove affected and unsightly leaves and de...

Canker Stem Rot occurs from an external injury to the tree trunk. The external injury or damaged area can weaken the tree and provide the entry point for the fungal canker to set in. The cankers grow and girdle the infected area and cause die back in the stem or trunk r...

Compost Fungus is a fungus which grows in the organic mulch as it gets broken down and composted. It is the external fruiting body of the decomposition taking place under the surface of the mulch. It is not a harmful pathogen and is a type of Phytophthora which is invol...

Cuscuta europaea - Greater Dodder is a parasitic plant which has long thin yellow to reddish stems which are intertwined and send sucker like projections into the host plant from which it gains its water and nutrient requirements. The fine threadlike stems scramble over...