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    Meeting Notes – 20th February 2024

    Meeting notes from 20/02/2024
  • Trees

    Hybrid larch (HL)

    Hybrid larch is a cross between European larch (L. decidua) and Japanese larch (L. kaempferi). It carries characteristics of both parents, but growth rates show typical hybrid vigour growing faster than both. Often called the Dunkeld larch after the site it was thought to have first occurred it has now been renamed as it is now thought to have first crossed in Switzerland. A species which could be used to replace Sitka spruce on sites vulnerable to drought in eastern Scotland, but only if guaranteed hybrid material is available. However its use now and in the future is under review with the continuing impacts of the disease Phytophthora ramorum affecting planting potential in much of Britain. Hybrid larch is categorised as a Principal tree species. These are tree species where silvicultural knowledge provides confidence to enable successful deployment across Britain. The species are either already widely used or are increasing in usage. They will continue to be important unless affected by a new pest or disease or become adversely affected by climate change.
  • Trees

    European larch (EL)

    European larch has been widely planted in Britain but not to any great extent with Japanese and hybrid larch preferred. There are two recognised varieties: L. decidua var. carpathica (Carpathian Mountains) and L. decidua var. polonica (hills on the Polish plains). The later is listed as endangered by the IUCN. This species has the potential for future expansion on the right sites, but its current position is unlikely to alter with projected climate change. However its use now and in the future is under review with the continuing impacts of the disease Phytophthora ramorum affecting planting potential in much of Britain. European larch is categorised as a Principal tree species. These are tree species where silvicultural knowledge provides confidence to enable successful deployment across Britain. The species are either already widely used or are increasing in usage. They will continue to be important unless affected by a new pest or disease or become adversely affected by climate change.
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  • Trees

    Lenga (NPU)

    Lenga is a temperate species growing on a wide variety of sites from sea level to 2000 m. It is one of several southern beeches growing in South America and is the second most abundant tree species in Chile and Argentina; it is largely underutilised. The wood is quite versatile and easy to process and could be a substitute for maple and cherry. Little is planted in Britain, but Lenga could find a niche in the right sites to assist with forest diversification. Lenga is categorised as a Plot-stage species.  These are species that have demonstrated some positive silvicultural characteristics at the Specimen-stage and are now subject to further testing and development in a limited number of trial plots.