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Category Archives: Pests, Diseases & Problems
Citrus Problems – Citrus Fruit Has Thick Peel and Hollow Core
Nutrient imbalances and deficiencies can adversely affect the quality of citrus fruit. Excess nitrogen combined with low phosphorus will cause citrus fruit to be misshapen, with thick peel, a coarse and roughly textured rind, coarse pulpy flesh without much juice, … Continue reading
Posted in Gardening Information, Pests, Diseases & Problems, What's New!
Tagged best pH for soil phosphorus availability, citrus coarse flesh, citrus hollow inside, citrus misshaped, Citrus Nutrient Deficiency, citrus open centre, citrus problems, citrus thick peel, correcting phosphorus deficiency in citrus, fixing phosphorus deficiency in citrus, how phosphorus affects other soil nutrients, how phosphorus behaves in the soil, phosphorus deficiency, symptoms of excess phosphorus, symptoms of phosphorus deficiency, understanding soil phosphorus, what does phosphorus plant nutrient do, what increases or decreases soil phosphorus availability
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Why Is My Aloe Vera Plant Turning Yellow and Brown?
Aloe vera is a hardy, succulent, semi-tropical plant native to North Africa and the SW Arabian Peninsula, which can tolerate quite harsh conditions. It will grow in poor soils in hot, dry sunny locations with very little water, but can … Continue reading
Posted in Gardening Information, Pests, Diseases & Problems, What's New!
Tagged Aloe vera, aloe vera dry leaf tips, aloe vera leaves rotting, aloe vera problems, aloe vera turning brown, aloe vera turning yellow, growing aloe vera, how to save a sick aloe vera plant, overwatering, repotting
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Winter Pest and Disease Control with Lime Sulphur
Winter is the traditional time to prune and spray deciduous fruit trees and vines. Spraying is carried out at this time to eliminate pests and diseases which can overwinter and emerge in spring. Two separate treatments are usually employed in … Continue reading
Posted in Gardening Information, Pests, Diseases & Problems, What's New!
Tagged fungicides allowed in organic gardening, how to use lime sulphur, lime sulfur, lime sulphur, lime sulphur or copper fungicides, organic fungicide, pests and diseases controlled with lime sulphur, sulphur sensitive plants, winter pest and disease control
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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
Posted in Gardening Information, Pests, Diseases & Problems, What's New!
Tagged biological controls, chemical controls, creating an IPM program, cultural controls, ecological gardening, how does IPM work, Integrated Pest Management, IPM, mechanical controls, minimising chemical use in gardens, natural pest control, physucal controls, problem with chemical controls, reducing environmental impact in pest control, strategic pest management, strategy
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Citrus Problems – 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. They … Continue reading
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
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
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
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
Posted in Gardening Information, Pests, Diseases & Problems, What's New!
Tagged curl grub, lawn pests, organic control
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Citrus Problems – Why Citrus Fruit Splitting Occurs and How To Prevent It
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
Posted in Gardening Information, Pests, Diseases & Problems, What's New!
Tagged calcium, citrus, crop load, fruit splitting, nutrient deficiency, orange, potassium, slot peel, water
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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
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
Citrus Problems – Citrus Yellow Veins on Green Leaf in Winter
Are your citrus leaves turning green with yellow veins in winter? When gardeners see this colour change in their citrus leaves, they often wonder if this is due to a nutrient deficiency, and if so, what they can do to … Continue reading
How to Kill a Tree Stump Without Poisonous Chemicals
(Image source: Childzy, Wikimedia Commons) Sometimes we need to cut down trees to remove them, but chopping trees down to the ground does not stop them putting out new growth from the stump or from the roots and eventually turning … Continue reading
Weeding Without Chemicals or Digging
Weeds growing on path and driveways, though crack or gaps in concrete and paving, or in empty garden beds are very easily taken care of without chemicals or digging. How is that possible you may ask? Go put the kettle … Continue reading
Citrus Problems – How to Control Citrus Gall Wasp, Methods That Work
What are Citrus Galls? Citrus galls are unsightly swellings caused by a tiny female citrus gall wasp (Bruchophagus fellis) which lays her eggs in the soft new growth of citrus trees in spring. As the new growth hardens off, … Continue reading
Posted in Gardening Information, Pests, Diseases & Problems, What's New!
Tagged Bruchophagus fellis, calcined kaolin, citrus gall wasp, citrus gall wasp IPM controls, citrus gall wasp traps, citrus pests, citrus problems, clothiandin, Confidor Guard, controlling citrus gall, gall wasp chemical controls, how to control citrus gall wasp, how to get rid of citrus gall wasp, imidacloprid, methidathion, neonicotinoid pesticide, organic citrus gall wasp control, Samurai, slicing citrus galls, Supracide, surround, surround wp, swelling on citrus, swelling on citrus branches
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Netting Fruit Trees and Berries for Pest Control
Natural pest control techniques such as companion planting can control most of your small garden pests such as insects, but what can gardeners do about birds and animals? The seasonal event of birds and other critters stripping fruit trees clean … Continue reading
