Induced wound response of Norway spruce Picea abies after artificial inoculation by imagoes of Ips typographus
2003
Jankovsky, L. | Mrkva, R. (Mendelova Zemedelska a Lesnicka Univ., Brno (Czech Republic). Lesnicka a Drevarska Fakulta) | Novotny, D.
Inoculation experiments were carried out on a set of trees with imagoes of Ips typographus which originated from the Sumava Mts. and the Krtiny Training Enterprise (Czech Republic). The objective of back inoculations was to determine whether species found on the surface of Ips typographus imagoes spread after the inoculation also through host tissues. It the vicinity of inoculation by Ips typographus imagoes, marked necrotic zones were evident including symptoms of the penetration of vascular pathogens through phloem and sapwood. The most marked reactions were observed in case of inoculation by an untreated Ips typographus imago. Treatment of Ips typographus imagoes by Ibefungin and Fundazol preparations did not demonstrate expected effects in full scale. The spores of several ophiostomoid fungi like Ceratocystis polonica were observed on the surface of bark beetles and at the same time were reisolated from wounds inoculated by Ips typographus imagoes. The other fungi like Ophiostoma bicolor, Leptographium cf. lundbergii, Pezicula eucrita, Phomopsis sp. and other were found in wounds with the imagoes artificial infection.
Показать больше [+] Меньше [-]Ключевые слова АГРОВОК
Библиографическая информация
Эту запись предоставил Library of Antonin Svehla