Category Archives: Pests, Diseases & Problems

What is Integrated Pest Management (IPM)

The problem of garden pest control is as old as agriculture itself, which started when humanity first cultivated plants for food more than ten thousand years ago. Modern conventional pest control methods often use chemical controls as the first option, … Continue reading

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Why Citrus Fruit Drops and Flowers Fail to Develop

  Is your citrus tree dropping its fruit before they reach full size, or even worse, dropping the flowers before fruit even begin to form? Trees photosynthesise to produce carbohydrates such as sugars which they store as their energy source. … Continue reading

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Apple Tree Problems – Sun Scald

Sun scald is not a disease, but damage caused to apples and many other fruit, caused by high temperatures and strong sunlight in summer. Typically, sun scald damage appear on sun-exposed side, which is usually towards the direction of the … Continue reading

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Citrus Nutrient Deficiency – Yellow Leaves

If leaves are yellowing on a citrus tree, it may be a sign of nutrient deficiency, but it may not be, depending on which leaves are yellowing. Older leaves yellowing are quite normal as long as it’s only happening to … Continue reading

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Citrus Problems – Why Is My Citrus Tree Dying?

Why do apparently healthy looking citrus trees suddenly start deteriorating in a matter of days, with leaves curling then dropping, branches dying back, eventually resulting in the loss of the tree? There are several causes, often caused by common gardening … Continue reading

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Horticultural Glues and Tree Banding Trees to Controls Ants and Other Pests

Glue-banding of tree trunks is an effective technique for controlling various pests of fruit trees. A waterproof band covered in horticultural glue, an aggressive long-lasting adhesive, is wrapped around the trunk of the tree to create a sticky barrier which … Continue reading

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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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