Contribution to seed ecology of Sequoiadendron giganteum (Lindl.) Buchholz growing in the Central European conditions

https://doi.org/10.17221/148/2017-JFSCitation:Prknová H. (2018): Contribution to seed ecology of Sequoiadendron giganteum (Lindl.) Buchholz growing in the Central European conditions. J. For. Sci., 64: 86-90.
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The properties of Giant Sequoia (Sequoiadendron giganteum (Lindley) Buchholz) seeds originating from a single cultivated Sequoia tree in the second gene strain in the Czech Republic were examined. The maximum germination level was set at 1.8%. This type is a pyrophyte, but nonetheless the short-term effects of a temperature of 100°C simulating a natural fire are still lethal. The seeds were planted with the same success in one case using a fungicide, which is routine practice in nurseries, and in another case using a “biological method” relying on the positive effect of soil microflora. Both stratified and non-stratified seeds can germinate, but stratification increases the number of germinating individual trees to at least double.
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