Plant Diseases

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Apple Scab & Pear Scab
Julian Bosdari 18 Jul 2016

Apple Scab & Pear Scab - Disease  These diseases can affect fruit trees such as apples and pears including their respective ornamental equivalents. Apple Scab & Pear Scab - Symptoms Scab (which is caused by a fungus - Venturia inaequalis) can infect both apples and pears and it at...

Laurel Leaves with Holes
Julian Bosdari 18 Jul 2016

Laurel Leaf "Shot Hole"  The leaves of the cherry laurel tree (Prunus laurocerasus) are prone to a harmless condition called Laurel shot hole. Your plants' leaves will looks a bit like swiss cheese, with lots of round holes punched into them. Do not be concerned. It is a mild fungus doing ...

Box Blight - Symptoms & Treatment
Julian Bosdari 18 Jul 2016

Box Blight  Box blight is actually caused by two separate fungi, sometimes acting together. Cylindrocladium buxicola can be recognised from the spots it causes on leaves which become larger areas of dead (necrotic) tissue. As the condition progresses, it causes defoliation. Other symptoms ...

Yew Hedging - Bronze Foliage
Julian Bosdari 18 Jul 2016

Bronze foliage on an English yew hedge Bronze foliage is one of the most commonly identified "afflictions" of yew generally and can be especially noticeable in an english yew hedge when individual plants can go bronze and contrast with their neighbours There are a number of reasons as to why ye...

Horse Chestnut Canker
Julian Bosdari 18 Jul 2016

Canker in Horse Chestnut Trees  Britain's Horse Chestnut Trees are under assault from a number of diseases today. The most serious of these is Horse Chestnut Canker which is specific to the Aesculus family. It is unmistakeable; open bleeding wounds on the bark of the tree which can grow, an...

Horse Chestnut - Leaf Blotch
Julian Bosdari 18 Jul 2016

Horse Chestnut Leaf Blotch  This is one of the three diseases affecting horse chestnut trees at present. Unlike the other two (Bleeding Canker and Leaf miner) although Horse Chestnut leaf Blotch is not pretty, it does not significantly affect the strength or health of the infected tree. Ho...

Silver leaf disease
Julian Bosdari 18 Jul 2016

Silver Leaf Diagnosis & Treatment What Happens with Silver Leaf? The leaves of infected plants take on a silvery sheen. Infected branches have brown staining in the wood; you can see this in the grain when you cut an infected branch off the tree. The disease can start in a single branch whi...

Powdery Mildew on Native Hedging & Ornamentals
Julian Bosdari 18 Jul 2016

Powdery Mildew Powdery Mildew is (unsurprisingly) a grey, powdery fungal coating that affects a wide range of plants including native hedge plants, such as hawthorn, field maple and wild roses as well as ornamentals such as beech  and laurel. Mildew is not a serious condition and is usua...

Fruit Split
Julian Bosdari 18 Jul 2016

Cracked and split fruit  Fruit split is a disfiguring condition where one or more splits, often branched, are seen on the surface of apples, pears and other fruit. The splits are usually not very deep, but they cause wounds that allow diseases and pests to attack otherwise healthy (and tast...

Quince Leaf Blight
Julian Bosdari 18 Jul 2016

Quince Leaf Blight can be a nuisance on fruit trees such as medlar, pear and especially quince (hence the name). Usually the first evidence is of lots of small spots on the leaves. Quite quickly these turn from red to brown or black and they often join up to make larger, irregular shaped patches ...

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