508 KB0 KB193820262021Hauptman, Tineštevilka:1letnik:79str. 21-27ISSN:0017-2723COBISSID_HOST:54049283URN:URN:NBN:SI:doc-6R2EZ2IUenslZveza gozdarskih društev SlovenijeGozdarski vestnikEutypella canker of mapleEutypella parasiticajavorov rakmonitoringSloveniaSlovenijavolumetric samplervolumetrični vzorčevalnikSpremljanje koncentracije askospor glive Eutypella parasitica| Monitoring the concentration of Eutypella parasitica ascospores|Fungus Eutypella parasitica originates in North America and causes a disease called Eutypella canker of maple. In Slovenia, it was found for the first time in the year 2005; now it is spread in the whole country and the disease cannot be rooted out anymore. To prevent further spread of the disease and reduce the number of new infections, the infected trees must be cut down. Thereby, the valid instruction requires the infected part of the trunk should be cut out at least 50 cm above and under the wound and that the cut-out part should be burned on the spot or laid on the forest soil in such a way that the canker wound is facing the soil. We wanted to test the effectiveness of the latter measure by monitoring the ascospores of the E. parasitica fungus concentration in the air before the performed measure and after it. Monitoring was not successful; thus, we cannot confirm the effectiveness of this measure. In the article, we present our monitoring methods and discussion about possible reasons for unsuccessful catching of the E. parasitica fungus ascosporesGliva Eutypella parasitica izvira iz Severne Amerike in povzroča bolezen, imenovano javorov rak. V Sloveniji so jo prvič našli leta 2005, zdaj je razširjena po vsej državi, izkoreninjenje bolezni ni več mogoče. Da bi preprečili nadaljnje širjenje bolezni in zmanjšali število novih okužb, je treba okužena drevesa posekati. Pri tem velja navodilo, da okuženi del debla izrežemo vsaj 50 cm nad rano in pod njo, izrezani del pa nato na mestu sežgemo ali pa položimo na gozdna tla tako, da je rakava rana usmerjena proti tlom. Učinkovitost slednjega ukrepa smo želeli preverjati s spremljanjem koncentracij askospor glive E. parasitica v zraku, pred izvedenim ukrepom in po njem. Spremljanje ni bilo uspešno, tako da učinkovitosti ukrepa ne moremo potrditi. V prispevku predstavljamo metode spremljanja in razpravo o morebitnih razlogih za neuspešno lovljenje askospor glive E. parasiticaTEXTznanstveno časopisjejournalsSlovenian National E-content AggregatorNational and University Library of SloveniaZveza gozdarskih društev Slovenije