Abstract

The new spruce disease known as "spruce cone rust" was discovered for the first time in Serbia and Montenegro. The fungus was detected in spruce forests only in the mountains regions (Kopaonik, Zlatar, Durmitor). This rust periodically damages the cones in localised forest areas and can be a serious problem. Usually seeds are not formed in diseased cones, and even when they are produced, malformation and resinosis of the cones hinder seed dispersal or extraction. Those seeds that are formed tend to weigh less and have poor germination. As this disease is a serious problem, care must be taken to prevent the spread of the disease to the new uninfected regions.

Highlights

  • Seeds are not formed in diseased cones, and even when they are produced, malformation and resinosis of the cones hinder seed dispersal or extraction

  • The study of seed diseases of forest tree species in Serbia in the past was partly neglected compared to the study of the agents of diseases of assimilation organs, bark or root

  • In the last years of the XX century, many seed stands were designated in the forests of Serbia because of the need of good-quality seeds

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Summary

МАТЕРИЈАЛ И МЕТОД РАДА

Истраживања су спроведена у природним састојинама смрче на Копонику, Златару, Голији и Дурмитору. Одређивање врсте је извршено на основу микроскопских анализа спермација и ецидија (образованих на шишарицама смрче) и уредија и тeлија (образованих на лишћу Pyrola vrsta). Приликом идентификације гљиве коришћени су кључеви следећих аутора: Wi llson , Henderson (1966), Ziller (1974), Suther ­. L a n d et al (1987), Allen et al (1996) иCummins , Hiratsuka (2003)

РЕЗУЛТАТИ ИСТРАЖИВАЊА
Опис паразита
Животни циклус
Симптоми оболења
ДИСКУСИЈА
ЗАКЉУЧАК
Findings
Summary

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