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( Yeongseon Jang ),( Yeun Sug Jeong ),( Rhim Ryoo ),( Kang-hyeon Ka ) 한국균학회 2021 韓國菌學會誌 Vol.49 No.4
The cultivation in sawdust media, mushroom productivity, and fruiting body characteristics of Lentinula edodes strains NIFoS 2778 and NIFoS 3363 were compared according to the inoculation conditions. The cultivation period was 5% shorter when liquid spawn was used. Fruiting bodies were induced after 113 days of incubation on media inoculated with liquid spawn, and the cultivation period was 119 days on media inoculated with solid spawn. Mushroom productivity of NIFoS 2778 was the highest (661.4 g) when 36 mL of liquid spawn was used. For NIFoS 3363, mushroom production was higher under liquid inoculation conditions when the same amount of liquid and solid spawns were used. The mushroom characteristics of the two strains were not significantly different, except for gill width and stipe diameter.
Diversity of Wood-Inhabiting Polyporoid and Corticioid Fungi in Odaesan National Park, Korea
( Yeongseon Jang ),( Seokyoon Jang ),( Jaejung Lee ),( Hanbyul Lee ),( Young Woon Lim ),( Changmu Kim ),( Jae-jin Kim ) 한국균학회 2016 Mycobiology Vol.44 No.4
Polyporoid and corticioid fungi are among the most important wood-decay fungi. Not only do they contribute to nutrient cycling by decomposing wood debris, but they are also valuable sources for natural products. Polyporoid and corticioid wood-inhabiting fungi were investigated in Odaesan National Park. Fruit bodies were collected and identified based on morphological and molecular analyses using 28S and internal transcribed spacer regions of DNA sequences. As a result, a total of 149 species, 69 genera, 22 families, and 11 orders were recognized. Half (74 species) of the species were polypores, and the other half (75 species) were corticioid fungi. Most of the species belonged to Polyporales (92 species) followed by Hymenochaetales (33 species) and Russulales (11 species). At the genus level, a high number of species was observed from Steccherinum, Hyphodontia, Phanerochaete, Postia, and Trametes. Concerning distribution, almost all the species could be found below 1,000 m, and only 20% of the species were observed from above 1,000 m. Stereum subtomentosum, Trametes versicolor, T. hirsuta, T. pubescens, Bjerkandera adusta, and Ganoderma applanatum had wide distribution areas. Deciduous wood was the preferred substrate for the collected species. Sixty-three species were new to this region, and 21 species were new to Korea, of which 17 species were described and illustrated.
Wood Decay Fungi in South Korea: Polypores from Seoul
( Yeongseon Jang ),( Seokyoon Jang ),( Jaejung Lee ),( Hwanhwi Lee ),( Hanbyul Lee ),( Young Min Lee ),( Joo Hyun Hong ),( Mihee Min ),( Young Woon Lim ),( Changmu Kim ),( Jae Jin Kim ) 한국균학회 2014 韓國菌學會誌 Vol.42 No.2
In Seoul, a majority of plant communities have undergone significant changes over the last few decades; however, how wood decay fungi have responded and adapted to the changes in vegetation remains unknown. Through an ongoing investigation of Korean indigenous fungi, ca. 300 specimens with poroid basidiocarp were collected in Seoul during 2008~2012. Morphological examination and molecular analysis using the internal transcribed spacer and nuclear large subunit ribosomal DNA region sequences helped identify 38 species belonging to 28 genera, 10 families, and 5 orders in this area. Among them, three polypores, Abundisporus pubertatis, Coriolopsis strumosa, and Perenniporia maackiae were found to be new to South Korea.
Yeongseon Joo,Taeyoon Kim,Dang Khoa Nguyen,Chungman Kim 한국농업경제학회 2021 農業經濟硏究 Vol.62 No.3
Fresh Korean ginseng needs more credibility in the Vietnam market since fresh ginseng imported from China is increasing, and the Vietnam government promotes its national Ngoc Linh ginseng brand. Therefore, this study determines factors of three shopping places (the department store, supermarket, and ginseng specialty store), the certification label of good agriculture products (Viet GAP), Korean nationality, and three famous private brands of CheongKwanJang, HanSamIn, and Geumhong affecting Vietnamese consumers fresh ginseng choices based on 897 respondents from Hanoi and Hochiminh City in January 2018. Conditional and random parameter logits are used to find differences in the independent assumptions relaxation among irrelevant alternatives. Hausman test for IIA assumptions holds for the choice of the department store, ginseng specialty store, and None. Overall results show that shopping places, the Korean national flag, and the existence of VietGap positively affect Vietnam consumers choices. However, none of the Korean private brands could significantly affect Vietnamese choice for fresh ginseng products. The shopping place of ginseng specialty stores gets the highest WTP, followed by supermarkets and department stores. Korean national flag also shows a high WTP, which is higher than Vietgap, a certificate from Vietnam agricultural products. Female consumers tend to pay more WTP than males. Hochiminh consumers are willing to pay more than Hanoi consumers on average. Of course, the high-income consumers tend to pay more WTP than the low-income group. However, the low-income groups still demand fresh ginseng at a significant price. Understanding different price effects by consumer groups seem helpful for small and medium enterprises to market their ginseng products into Vietnam by further considering the origin of Korean nationality.