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 DOMOV | OBVESTILA | OBRAZCI | PREDPISI | RAZPISI | SODELAVCI | O STRANI | IŠČI | POVEZAVE | KATALOG INF. JAVNEGA ZNAČAJA | ENGLISH |
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Chestnut Gall Wasp [Dryocosmus kuriphilus]
RISK OF SPREAD OF A NEW CHESTNUT PEST Finding of the chestnut gall wasp (Dryocosmus
kuryphilus), a new and dangerous pest of chectnut, was confirmed for the
first time in Slovenia on 17 June 2005. The pest was introduced into
Slovenia by means of plants for planting originating in Piemonte, Italy,
which is the first chestnut area attacked by chestnut gall wasp in
Europe. In 2005, phytosanitary and forestry service managed to trace a
half of the imported plants for planting. The attack was confirmed on
4 locations (see
list of
locations - November 2006
Damage caused by the chestnut gall wasp is made by drilling vegetative buds and formation of galls on shoots which die. This can gradually result in tree mortality. Plantations for fruit production (maroni) may suffer a 50-70 % loss. In forests, it causes the most substantial damage on young plants and by reducing the production of fruit and wood.
In 2006 larvae of chestnut gall wasp in galls may occur in May or June when a great threat is posed by adults to emerge from the galls and fly to lay eggs and thus infest cultivated and forest chestnut trees.
The Phytosanitary Administration RS calls upon all chectnut breeders who bought plants for planting in 2004 (in autumn), 2005 (in spring) or 2006 wherever in Slovenia and planted these, to provide for their thorough and immediate examination.
In the case of a thickening of any kind on shoots or leaf veins of this year, official service should be immediately informed thereof on the telephone no. ++386 41 354 405, ++386 1 309 4379 or on e-mail address: furs.mkgp@gov.si.
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Phytosanitary Administration of the Republic of Slovenia - last amended: 10 November 2006 |
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FURS
).