Symptoms
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Yellowing of needles, reduced shoot growth, swelling of shoots, bending of shoots, dieback of shoots.
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Impact
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A common consequence of misapplied herbicides (spray), misapplied fertilisers (mostly over-fertilisation) and high precipitation following the application of fertilisers (leaching).
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Control
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If herbicides are applied in vicinity of Christmas tree-plantations - precise spraying required (no wind, precise dosage), sparing fertilisation, never during rain.
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Hosts |
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Spruce;
Fir;
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Affected plant parts
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Leaf;
Needle;
Shoot/Twig/Branch;
Stem;
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