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*Presentation file* 5th Korea-China-Japan Sweetpotato Workshop
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*Presentation file* 5th Korea-China-Japan Sweetpotato Workshop
Presentation files in PDF version for 5th Korea-China-Japan Sweetpotato Workshop

Special lecture (Chaired by PARK Kwang-Geun, NICS)
Consideration of sweetpotato origin based on morphological and biological analysis of its closely related wild species.

- KOMAKI Katsumi (Tohoku Agricultural Research Center, National Agriculture and Food Research Organization, Japan)

Session I: Biotechnology 1 (Chaired by ZHANG Liming, Shandong AAS)

Functional characterization of IbEXP1 in storage root development in sweetpotato
- BAE Jung Myung (Korea University, Korea)
Improved tolerance to various abiotic stresses in transgenic sweetpotato (Ipomoea batatas) expressing spinach betaine aldehyde dehydrogenase
- ZHANG Peng (Institute of Plant Physiology and Ecology, CAS, China)
Structural and functional properties of novel sweetpotato starches having high amylose content
- KITAHARA Kanefumi (Kagoshima University, Japan)
Transgenic sweetpotato plants having phytochrome and bar genes
- SONG Pill-Soon (Jeju National University, Korea)

Session II: Biotechnology 2 (Chaired by LEE Haeng-Soon, KRIBB)

The regulation of anthocyanin accumulation in different development stages of storage root at purple-fleshed sweetpotato [Ipomoea batatas (L.) Lam]
- ZHANG Hai-yan (Crop Research Institute, Shandong Academy of Agricultural Sciences, China)
Establishment of regeneration system from embryogenic suspension cultures for sweetpotato cultivar Guangshu
- WANG Zhangying (Crops Research Institute, Guangdong Academy of Agricultural Sciences, China)
Dual pigmented transgenic sweetpotato expressing IbOr or IbMYB1 genes in purple- or yellow-fleshed sweetpotato
- PARK Sung-Chul (Korea Research Institute of Bioscience and Biotechnology, Korea)
Propagation of sweetpotato plantlets via tissue culture in liquid medium
- CHUNG Mi-Nam (National Institute of Crop Science, Korea)

Session III: Pest control (Chaired by YOSHINAGA Masaru, Kyushu Okinawa Agricultural Research Center, NARO)

Temperature-dependent lethal effect of entomopathogenic nematodes on the West Indian sweetpotato weevil, Euscepespostfaciatus, and their potential as biocontrol agent in field
- ICHINOSE Katsuya (Kyushu Okinawa Agricultural Research Center, Japan)
Symptoms of Southern blight on sweetpotato and identification of its pathogen
- HUANG Li-fei (Guangdong Academy of Agricultural Sciences, China)
Resistance of sweetpotato cultivars against the West Indian weevil, Euscepespostfasciatus, evaluated by its preference to, growth on and damage to the plant
- OKADA Yoshihiro (Kyushu Okinawa Agricultural Research Center, Japan)
Molecular characterization and development of an infectious clone of sweetpotato leaf curl virus (SPLCV) isolate from Korea
- LEE Sukchan (Sungkyunkwan University, Korea)

Special session: Genomics (Chaired by KWAK Sang-Soo, KRIBB)

Sweetpotato omics at CIP
- KREUZE Jan (International Potato Center, Peru)
Sweetpotato omics in China
- LIU Qingchang (China Agricultural University, China)
Genetic and genomic analysis in polyploidy crop species, sweetpotato and strawberry
- ISOBE Sachiko (Kazusa DNA Research Institute, Japan)
Genome and transcriptome sequencing of watermelon (Citrulluslanatus)
- FEI Zhangjun (Cornell University, USA)
Sweetpotato omics and molecular breeding in Korea
- JEONG Jae Cheol (Korea Research Institute of Bioscience and Biotechnology, Korea)

Session IV: Functionality and bioenergy (LIU Qingchang, China Agricultural University)

Preparation of slowly digestivle sweetpotato starch by dual enzyme modification using branching enzyme and amylosucrase
- MOON Tae Wha (Seoul National University, Korea)
Acetone-butanol-ethanol (ABE) production from sweetpotato residue of ethanol fermentation by Clostridia acetobutylicum CICC8012
- CHEN Qian (Chengdu Institute of Biology, CAS, China)
Relationship among amylose content, starch pasting and ethanol fermentation in sweetpotato varieties for starch use
- SUN Jian (Xuzhou Sweetpotato Research Centre, China)
The enzymatic digestibility and phosphorus content in sweetpotato and potato starches
- NODA Takahiro (Hokkaido Agricultural Research Center, Japan)
Production of high amylopectin or amylose starches in transgenic sweetpotato and their impacts on yield
- YANG Jun (Shanghai Chenshan Plant Science Research Center, China)
Anti-influenza virus activity of sweetpotato polyphenols
- ISHIGURO Koji (Hokkaido Agricultural Research Center, Japan)

>Session V: Genetic resources and cultivation (Chaired by TANAKA Mararu, Ministry of Agriculture, Forestry and Fisheries, Japan)

Problem of reduction sweetpotato production in Indonesia
- Tjintokohadi Koko (International Potato Center, Indonesia)
Collection and utilization of sweetpotato wild relatives
- CAO Qing-he (Xuzhou Sweetpotato Research Centre, China)
Effect of paclobutrazol on starch accumulation and related enzyme activity of storage root in edible sweetpotato-Beijing 553
- CHEN Xiao-guang (Xuzhou Sweetpotato Research Centre, China)
Sweetpotato mechanized cultivation model-big ridge with double rows
- LIHong-min (Xuzhou Sweetpotato Research Centre, China)