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DocumentOther documentGermination characteristics and storage behavior of Codonopsis pilosula Nannf. seeds
XV World Forestry Congress, 2-6 May 2022
2022Also available in:
No results found.Codonopsis pilosula Nannf. is classified as an endangered species (VU) in Korea. Ex situ conservation through long-term storage of seeds is, in principle, possible for a significant proportion of plants. However, it is not known whether these seeds are orthodox; that is, if they can survive under long-term storage conditions (-20 °C, 40 % relative humidity (RH) or less) without being damaged. We determined the germination characteristics and storage behavior of C. pilosula. The seeds were collected from plants growing at the Baekdudaegan Arboretum on September 17, 2020. Immediately after collection, the equilibrium relative humidity (eRH) of the seeds was measured. To determine the germination characteristics of the seeds, a germination test was conducted at temperatures of 15, 20, and 25 °C (12/12 h) with 100 and 250 ppm GA3. To determine the storage behavior, their moisture content was measured under five conditions: 15 °C and RH at 15, 20, 30, 40, and 50 %, at 250 ppm GA3. Vitality was calculated as the ratio of the number of germinated seeds and the survived seeds of the unsprouted through the TZ test. Viability tests were conducted in the order of X-ray, germination test, and TZ test. The average germination percentage (GP) of untreated seeds was below 11 ± 3 %. The highest GP of seeds following GA3 treatment was 90 ± 0.70 %. The eRH was 45 % after collection. The initial seed viability percentage was 90.3 ± 2 %. The highest viability percentage (VP) was identified at 91 ± 0.25 % in equilibrium with 20 % (eRH) at 15 °C with a moisture content of 3.23 % Fresh weight. The results of our study on the behavior of C. pilosula seeds indicate that orthodox seeds did not reduce in viability even when dried in equilibrium with 20 % RH; thus, these seeds can be kept under long-term storage conditions. Keywords: Biodiversity conservation, Climate change, Agriculture ID: 3622450 -
DocumentOther documentSpecies recovery strategy using genetically appropriate material of Abies koreana, an endangered fir species that is endemic to Korea
XV World Forestry Congress, 2-6 May 2022
2022Also available in:
No results found.In this study, we present a strategy of restoring genetic diversity for conservation of Abies koreana, an endemic species vulnerable to climate change, and especially a species recovery strategy for small populations with high threat of extinction. Species recovery strategy is a restoration method that maintains population vitality and resilience by utilizing genetically appropriate materials to adapt well to future environmental conditions. Korean fir (Abies koreana E.H.Wilson), which is a Korean endemic species that has been designated as an endangered species by the International Union for Conservation of Nature. There are three large and six small populations with a relatively large and small number of individuals, respectively. According to the genetic analysis of the large-scale population of A. koreana, the genetic diversity of each group is relatively high and remains stable to date. According to the spatial genetic structure analysis for selecting the restoration materials to avoid inbreeding depression, it is appropriate to select Mt. Jirisan population at intervals of about 30 meters between individuals and Mt. Hallasan group of about 15 meters. A total of six small populations of A. koreana in Korea, have a distribution area of less than 1ha. Small population with a restrict distribution has high risk of extinction due to low number of individuals, low genetic diversity and low seedlings in the population, so it is necessary to restocking method. Selecting the restoration materials for the small population needs to consider the genetic diversity and uniqueness of the natural population while enhancing their adaptability and resilience against environmental change. In order to restore genetic diversity of small populations to maintain the resilience, an approach is needed to evaluate the genetic similarity between the populations in Korea and to introduce appropriate restoration materials considering genetic diversity. Keywords: Biodiversity conservation, Genetic resources, Climate change, Research ID: 3622907 -
DocumentOther documentNewly proposed harvest method, branch-cut harvest for Aralia elata extends cold storage life and maintains the quality of edible shoots
XV World Forestry Congress, 2-6 May 2022
2022Also available in:
No results found.Aralia elata which is called “Dureup” in Korea, is one of the indigenous species in Korea having 1-6 m height, 8-10 cm root collar diameter with brown-gray bark and canary yellow fresh branches and sparse fine thorns. The edible young shoot of A. elata is well-known for its high nutrients and medicinal effects which is helpful to human health. In despite of the nutritional advantages, it is hard to store more than one week in cold storage due to its vigorous metabolic activities after harvest. The objective of this study was to examine the effects of branch-cut harvest method on shoot quality characteristics and storability compared with the shoot harvested with conventional method. The harvest method was divided into two conditions; 1) shoot was nipped off with hands, named shoot harvest (SH) and 2) 5 cm of branch cut with the shoot using pruning scissor, named shoot with branch-cut harvest (SBH).
The bunches of shoots from each harvesting method were collected into plastic boxes and then stored at 3±1 °C for 7 weeks.
After 4 weeks of storage, weight loss of SH (17.1%) was about two-fold higher than SBH (9.1%). Additionally, water content of SH decreased 81.9% to 75.9%, while SBH showed 81.9% at harvest and 80.5% after 4 weeks. Lightness of shoot leaves in SH was lower than SBH during whole storage period. Wilt, decay and off-odor index (0-5) showed 1.2, 5.0 and 0.7 in SH while 3.8, 3.8 and 3.7 in SBH after 4 weeks, respectively. Overall quality index (0-15) was rapidly decreasing 15.0 to 7.3 in SH while SBH slightly reduced 15.0 to 12.2 after 4 weeks. These results indicate that the quality of A. elata shoot mainly affected by wilt and off-odor index after harvesting.
In conclusion, it is able to maintain product quality for 4 weeks after harvest to use the SBH method, which is a remarkable extension storage life of A. elata. Keywords: Food systems, Human health and well-being, Innovation, Research, Value chain ID: 3622939
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Book (stand-alone)Technical bookCarbone organique du sol - une richesse invisible 2017Cette publication a été lancée lors du colloque international sur le carbone organique du sol (GSOC) qui s’est tenu au siège de la FAO (Rome, 21-23 mars 2017). Pour les preneurs de décisions et les praticiens, il offre une vue d’ensemble sur les principaux faits et informations scientifiques concernant les connaissances actuelles et les lacunes de savoirs sur le carbone organique du sol. Elle met en lumière la manière dont une meilleure information et de bonnes pratiques peuvent être mises en pl ace pour soutenir l’élimination de la faim, l’adaptation et l’atténuation du changement climatique et l’atteinte d’un développement durable global.
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MeetingMeeting documentReport of the first International Network on Soil Biodiversity working group meetings (NETSOB) 2022
Also available in:
No results found.Report of the first NETSOB working group meetings -
Brochure, flyer, fact-sheetBrochureJoint Programme on Gender Transformative Approaches for Food Security and Nutrition
2022 in Review
2023Also available in:
No results found.The 'JP GTA - 2022 In Review' offers a snapshot of the milestones, achievements and activities of the Joint Programme over the course of the past year, with links to articles, publications and event recordings. The report is structured along the four pillars of the JP GTA, with sections focusing on knowledge generation, country-level activities, capacity development and learning, and policy support and institutional engagement. The page on 'knowledge generation' offers an overview of resources published or facilitated by the JP GTA in 2022. Under 'country-level activities' readers will find a summary of the key activities and achievements of the Joint Programme in Ecuador and Malawi. The section on 'capacity development and learning' delves into the JP GTA’s initiatives to share lessons from the Programme and build colleagues' and partners' knowledge and skills. The final pages on 'policy support and institutional engagement' highlight major global and corporate initiatives supported by the JP GTA.