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Aphids
New leaves distorted and yellow, foliage and stems covered in sooty mould, insects crowded on young leaves and shoots.
Solution
Yates Nature's Way Organic Citrus, Vegie & Ornamental Spray
Yates Mavrik Insect & Mite Spray - Concentrate
Iron Deficiency
Leaves turning yellow or brown in the margins between the veins which may remain green, while young leaves may appear to be bleached.
Solution
Yates Iron Chelate
Mealy bug
New growth appears distorted with a whitish substance in the leaf axils.
Solution
Yates Nature's Way Organic Citrus, Vegie & Ornamental Spray
Magnesium Deficiency
Yellowing in older leaves that show an inverted V pattern near the base of the leaves.
Solution
Yates Leaf Greener Magnesium Chelate
Scale
White patches on stems or pink or brown raised dome like structures on leaves and stalks about 3-5mm.
Solution
Yates Nature's Way Organic Citrus, Vegie & Ornamental Spray
Sooty Mould
Black sooty growth covering any part of the leaf, stem or branch of plants. Caused by the presence of sap-sucking insects on the plants such as aphids, scale and mealybugs.
Solution
Treat the sap-sucking insects with a suitable insecticide and the sooty mould will eventually fade away.
Thrips
Thrips suck the sap, leaving a white mottled appearance on leaves. Other symptoms are browning on petals and fruit, and flower drop.
Solutions
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