<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The seed orchards (SO) serve possibilities to collect seeds from the selected genotypes or to create artificial population throughout the controlled crossing of the target genotypes. Therefore, the seed material obtained from the clonal and seedling seed orchards offers unique opportunity to improve the genetic value of seeds. Thus, the seed orchards are considered as an important part of the forest seed base being the key object for both modern forestry and forestry research. This paper outlines the forest breeding activities associated with the seed production in the seed orchards in Ukraine over the last 70 years. During this period, the different aspects related to the establishment and management of the seed orchard were studied. In these processes, many failures had occurred, their causes and consequences were described. These main breeding activities were reported considering plain and mountain regions of Ukraine as well as specific aspects of the reproduction of the main forest tree species. As of 2019, the total area of the clonal seed orchards (CSO) reached 1040.3 ha, while seedling seed orchards (SSO) only 273.7 ha. The results of research on the growth, reproductive development, the morphology of the plus trees clones in the SO were generalized. The article on the current problems and challenges for Ukrainian forestry mainly related to forest tree breeding and there was also focus on forest seed industry. For the main forest trees species (Scots pine, English oak and other), targeted breeding programs should be developed. It is relevant to create the genetic bank of the forest seeds.</p></abstract>

The seed orchards (SO) serve possibilities to collect seeds from the selected genotypes or to create artificial population throughout the controlled crossing of the target genotypes. Therefore, the seed material obtained from the clonal and seedling seed orchards offers unique opportunity to improve the genetic value of seeds. Thus, the seed orchards are considered as an important part of the forest seed base being the key object for both modern forestry and forestry research. This paper outlines the forest breeding activities associated with the seed production in the seed orchards in Ukraine over the last 70 years. During this period, the different aspects related to the establishment and management of the seed orchard were studied. In these processes, many failures had occurred, their causes and consequences were described. These main breeding activities were reported considering plain and mountain regions of Ukraine as well as specific aspects of the reproduction of the main forest tree species. As of 2019, the total area of the clonal seed orchards (CSO) reached 1040.3 ha, while seedling seed orchards (SSO) only 273.7 ha. The results of research on the growth, reproductive development, the morphology of the plus trees clones in the SO were generalized. The article on the current problems and challenges for Ukrainian forestry mainly related to forest tree breeding and there was also focus on forest seed industry. For the main forest trees species (Scots pine, English oak and other), targeted breeding programs should be developed. It is relevant to create the genetic bank of the forest seeds.

Seed orchards in Ukraine: past, present and prospects for the future

Ukrainian Research Institute of Forestry and Forest Melioration named after G.М

Ukrainian Research Institute for Mountain Forestry after P.S. Pasternak

Forest Research Institute, Department of Silviculture and Genetics of Forest Trees

Folia Forestalia Polonica

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

{"article-title":"Seed orchards in Ukraine: past, present and prospects for the future"}

The seed orchards (SO) serve possibilities to collect seeds from the selected genotypes or to create artificial population throughout the controlled crossing...

Seed orchards in Ukraine: past, present and prospects for the future

Published Online: Dec 30, 2019

Page range: 284 - 298

Received: Jun 27, 2019

Accepted: Aug 30, 2019

DOI: https://doi.org/10.2478/ffp-2019-0028

Keywords
seed orchard, forest seed material, Ukrainian forestry, forest breeding, seed production

© 2019 Yuriy Hayda et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Seed orchards in Ukraine: past, present and prospects for the future

Published Online: Dec 30, 2019

Page range: 284 - 298

Received: Jun 27, 2019

Accepted: Aug 30, 2019

DOI: https://doi.org/10.2478/ffp-2019-0028

Keywordsseed orchard, forest seed material, Ukrainian forestry, forest breeding, seed production

© 2019 Yuriy Hayda et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Keywords
seed orchard, forest seed material, Ukrainian forestry, forest breeding, seed production