dieback


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Words related to dieback

a disease of plants characterized by the gradual dying of the young shoots starting at the tips and progressing to the larger branches

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The spores invade the roots of susceptible plants, block water transport and cause root rot, leading to secondary symptoms of dieback and eventually to death; the process is hastened when infection is associated with stress due to either water deficit or water saturation.
There is quite a lot still to do, but we can now see a way forward using trees that are much less susceptible to the dieback.
Whilst there is hope that some trees will prove to be naturally tolerant to the ash dieback fungus, anything that can help stack the odds is welcome and these findings do seem promising.
Mr Jacob said the Phyto Fighter units, already in use by the Department of Parks and Wildlife on the south coast, helped remove dieback spores from footwear, thereby helping to limit the risk of the disease s spread.
Based on this research and similar studies in California about Eutypa dieback, ideally growers should avoid wet weather when pruning to reduce risk of infection, but this is not always possible.
Mr Seville will update members on the latest developments in the fight against ash dieback and Phytophthora ramorum in larch and will report on CLA activity and the implications for landowners.
Ash dieback, which can kill ash trees, is thought to have arrived on wind-blown spores and on imported saplings and has raised concerns about the future of one of the countryside's most common trees.
Dead or dying tops of trees, most easily seen throughout summer; wilting leaves, most visible in spring and early summer; lesions and cankers on stems/branches/shoots, visible throughout the year; dieback of leaves with brown/black leaf stalks, seen throughout summer; fruiting bodies on fallen blacked leaf stalks, visible June to October; staining of wood under bark lesions, visible throughout the year.
Ash dieback was first detected this year in seedlings imported from the Netherlands.
It is possible fungi could get a bad reputation following recent headlines about ash dieback, the tree disease caused by a fungus called chalara fraxinea.
Signs to look out for are leaf dieback and damage to bark and crowns of trees.
Researchers have recently discovered that a common agricultural herbicide, diuron, is correlated with the severe dieback of common grey mangroves (Avicennia marina), a widespread species integral to coastal ecosystems of the north.
If they live longer than that, they may become increasingly unattractive on account of continuous dieback of their twigs and stems.
Moreover, capture rates the next spring showed that rodent populations had not experienced a typical winter dieback.
Their lead program, the Andara OFS, has been developed to take advantage of the demonstrated ability of weak electrical fields to prevent the dieback of and promote the growth of nerve fibers.