Category Archives: Gardening Information

Apple Tree Diseases – Crown Gall

Crown gall is a bacterial disease caused by Agrobacterium tumefaciens (syn. Rhizobium radiobacter), which produces tumour-like swellings on the bark of trees and plants. It can infect a wide range of dicotyledonous (broad-leaved) plants, particularly members of the Rosaceae (rose) … Continue reading

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Organic Control of Curl Grubs in Lawn

Curl Grub larvae (credits – CSIRO Australia scienceimage) If you’ve ever been digging in the garden and discovered plump, pale coloured grubs beneath the soil that curl up into a “C” shape when disturbed, these are Curl Grubs. Curl grubs … Continue reading

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Citrus Fruit Splitting and Prevention

Various cultivars of Navel and Valencia oranges, mandarins and mandarin hybrids are prone to fruit splitting, a pre-harvest physiological rind disorder. Gardeners often wonder if this phenomenon is caused by a nutrient deficiency. Actually, there’s another cause, but plant nutrition … Continue reading

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Apple Tree Diseases and Planting Location

Apple trees branches covered in patches of white, woolly fuzz? What you’re seeing is a  woolly aphid infestation . These pests can be controlled by spraying a few applications of horticultural oil spray (preferably a natural oil based product rather … Continue reading

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Gardening Calendar (Australian Temperate Climate) – August

It’s August, the weather is still cold and windy, but the end of winter is draws near, the days begin to grow noticeably longer and the change of season is not too far away. This month is the last chance … Continue reading

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Rooting Edible Plant Cuttings in Water

Plants which can take can root in water can be propagated very easily from cuttings. All you need to do is leave the cuttings sitting in a glass or a jar of water in a location with indirect light. Not … Continue reading

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Citrus Nutrient Deficiency Yellow Leaf with Green Veins

One of the most common nutrient deficiencies seen on citrus is the yellowing of the leaf with dark green veins. Yellow leaves with dark green veins on older leaves indicates magnesium deficiency, and is corrected using Epsom salts (Magnesium sulphate). … Continue reading

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