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Gromadzenie i ochrona lesnych zasobow genowych w Lesnym Banku Genow Kostrzyca

100%

Koziol C.

Zeszyty Problemowe Postępów Nauk Rolniczych

2007

tom 517

nr 1

53-61

State Forests, sharing the responsibility for preservation of natural and cultural heritage, conduced to successive undertaking of coming into existence one of the most modern plant gene bank in Europe. It is located in the immediate vicinity of ecological disaster which occurred in the Western Sudeten and Karkonosze Mountains. The mission of protecting and preserving the gene resources of dying-out tree populations of Sudeten provenance of silver fir, common spruce or European larch, was charged to Forest Gene Bank (FGB) with the task by General Director of State Forests. Soon the mission was broaden to the whole country when the FGB was included into Programme of forest gene resources protection and selection breeding in years 1991-2010@. The aims of the Programme are collecting and preservation of forest gene resources of all woody plants species both in situ as progeny plantations and gene conservation plantations and ex situ as living gene banks called clone archives, seed orchards and half-sib seed orchards but also the aims concentrate on gathering the most valuable gene resources of both, single trees and shrubs and the populations of trees in gene banks. Long-term storage of seeds and other parts of plants is performed by traditional methods in low temperatures and liquid nitrogen. 5077 gene resources are stored in FGB including both, the populations and single trees. A great challenge for the FGB is also trying to preserve the other plants (including the ones from areas not administered by the State Forests) and especially seeds and other parts of plants of Recalcitrant type and other woody plants, shrubs and herbaceous plants shown in the Red Book and on the areas of NATURA 2000.

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Changes in quality of beech (Fagus sylvatica L.) seeds stored at the Forest Gene Bank Kostrzyca

100%

Gugala A.

Dendrobiology

2002

tom 47 Supplement

In the Forest Gene Bank cold stores, both long-term and strategic gene resources are stored to be used during periods of poor seed production. Beech seeds of the following harvests were evaluated: 1995, 1998 and 2000. Quality of seeds was determined with different methods from the date of reception to FGB through preparation for long-term storage, storage in cold stores and the presowing treatment. The usefulness of staining tests for rapid evaluation of beech seed viability is not sufficiently sure. The floating test in water significantly improves the level of seed purity. The current method of seed drying does not remain without influence upon beech seeds and causes a slight decrease of viability. Next to beech seed lots of rapidly declining quality in the FGB are stored seed lots whose viability does not decrease during identical technological processes. Seed lots of low initial viability should be eliminated.

Ograniczanie wyników

1 Dendrobiology

1 Zeszyty Problemowe Postępów Nauk Rolniczych

1 Gugala A.

1 Koziol C.

1 2007

1 2002

Wyniki wyszukiwania

Gromadzenie i ochrona lesnych zasobow genowych w Lesnym Banku Genow Kostrzyca

Changes in quality of beech (Fagus sylvatica L.) seeds stored at the Forest Gene Bank Kostrzyca