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Factors Affecting Productivity of Tropical Forest Plantations: Acacia, Eucalypt, Teak, Pine

GLOBAL FIBRE SUPPLY STUDY - Working Paper Series









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    The ecological basis of rainforest management 1964
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    In outline this report deals first with the ecological factors determining the nature and occurrence of rainforest around the world. It then considers the utilization of rainforest sites and proceeds to the question of rainforest silviculture, paying particular attention to techniques involving the use of natural regeneration. These techniques are then examined to determine any underlying principles involved, and other aspects of forest management are dealt with, leading to a review of factors t o be considered when implementing a programme of forest management.
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    Sustainable tree improvement scheme leading to economical carbon cycling in teak
    XV World Forestry Congress, 2-6 May 2022
    2022
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    The sustainability and efficiency of timber plantations need to be enhanced to meet the global demand for industrial roundwood which is forecasted to increase by 60% by 2030. Tectona grandis (teak) is one of the premier timber species with a lot of promise for short rotation. We demonstrate a potential pipeline to establish a smart plantation for teak using genetically improved propagules, tissue culture, and seed orchards. The primary step in establishing a smart plantation is the production of quality propagules after evaluating the genetic make-up of the parent trees. With the availability of whole-genome sequence and genetic marker information in teak, long-term genetic gain of propagules can be attained through the best use of genetic variance. This objective can be achieved by following an optimal mating scheme such as genomic mating, and selection based on the breeding value of individuals as well as that of groups. Through genomic selection and mating, favorable alleles can be retained in the population to maximize genetic merit and sustain it for multiple generations. This pipeline is also expected to save a lot of time in years while facilitating the establishment of elite plants in the plantation. Through tissue culture, the only route to commercialize teak clones, the genetically improved clones can be distributed for plantation establishment. Multi-trait improvement with the aim of producing trees with more volume, short-rotation, and tolerance to pests and pathogens are considered for genomic selection and mating. With appropriate silvicultural management, the smart plantations established can facilitate carbon cycling in a better and sustainable way. Keywords: Genetic resources, Innovation, Sustainable forest management, Research ID: 3614687
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    Teak 2000
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    This issue of Unasylva considers the future for teak, with an emphasis on plantation management.

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