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Cabbage Skunk weed <em>Lysichitum americanum</em> in wet woodlands: biology; invasiveness and control in the UK

Cabbage Skunk weed Lysichitum americanum in wet woodlands: biology; invasiveness and control in the UK

| July 21, 2015

The invasive Cabbage Skunk weed, Lysichitum americanum, is native to swamps and along streams in woodlands in the north-west of North America. It is named due to its distinctive “skunky” odour that it emits when it blooms and attracts its pollinators – scavenging flies and beetles. The name is also used for the eastern skunk […]

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Current and future Insect Threats to UK Forestry

Current and future Insect Threats to UK Forestry

| August 4, 2014

Introduction The beginning of the 21st century has seen an unprecedented assault on the UK by invasive forest pests and diseases (Defra 2013; Figure 1). Some of these new pests and diseases have attracted much media attention and have increased political awareness, e.g. the large scale death of larch caused by Phytophothora ramorum and ash […]

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Tree care package to preserve iconic palm trees

Tree care package to preserve iconic palm trees

| July 30, 2014

A new Syngenta tree care package could now save southern Europe’s iconic palm trees from the devastating effects of the Red Palm Weevil (Rhynchophorus ferrugineus). The treatment, which involves direct micro-injection of a targeted insecticide into the trunk of affected trees, has been fully approved in France and granted emergency approval to tackle the increasing […]

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Tropical epiphytes and collateral control with copper fungicide

Tropical epiphytes and collateral control with copper fungicide

| August 1, 2013

 Weeds are plants growing in the wrong place at the wrong time. Grasses and broadleaved weeds grow under and around trees to compete with their root systems for water and nutrients, and in the case of tall vigorously growing weeds around small stature trees for light and space as well. ‘Lower’ plants like lichens, mosses […]

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Alert over caterpillar pest in London and Berkshire

Alert over caterpillar pest in London and Berkshire

| June 18, 2013

People in parts of London and South East England are being reminded this Spring by the Forestry Commission, Public Health England and local authorities not to touch caterpillars of the Oak Processionary Moth, which are beginning to emerge in oak trees in these locations. They are also advised to keep children, pets and livestock away […]

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Hypovirulence hope for management of sweet chestnut blight

Hypovirulence hope for management of sweet chestnut blight

| June 15, 2013

In 2012 sweet chestnut blight, caused by the fungus Cryphonectria parasitica, was found for the first time in the United Kingdom (UK) on trees imported from France in 2007 and planted at two sites, one in Warwickshire in the West Midlands and the other in East Sussex in southern England. If the UK plant health […]

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Managing current season needle necrosis in Christmas trees

Managing current season needle necrosis in Christmas trees

| April 24, 2013

Uptake and utilization of nutrients is the cornerstone of physiological health in green plants, but deficiencies in specific nutrients have long been known to play a crucial role in the development of disease caused by plant pathogens. Calcium, a poorly mobile nutrient with an important strengthening role in the structure of plant tissue is well […]

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