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오늘 본 자료
[PE-0017] A Peanut Variety, ’Da-Ol’ with High Oleic Acid and Large Grain
Eunyoung Oh(Eunyoung Oh ),Sungup Kim(Sungup Kim),Jung In Kim(Jung In Kim),Min Young Kim(Min Young Kim),Sang Woo Kim(Sang Woo Kim),Jeongeun Lee(Jeongeun Lee),Eunsoo Lee(Eunsoo Lee),Rizwana Begum Syed N 한국육종학회 2022 한국육종학회 공동학술발표집 Vol.2022 No.-
[PB-0038] QTL-seq identified a locus controlling lignan content in sesame
Eunsoo Lee(Eunsoo Lee),Sungup Kim(Sungup Kim),Jeongeun Lee(Jeongeun Lee),Jung In Kim(Jung In Kim),Eunyoung Oh(Eunyoung Oh),Min Young Kim(Min Young Kim),Sang Woo Kim(Sang Woo Kim),Kwang-Soo Cho(Kwang-S 한국육종학회 2022 한국육종학회 공동학술발표집 Vol.2022 No.-
Estimation of Oil Yield of Perilla by Seed Characteristics and Crude Fat Content
Oh, Eunyoung,Lee, Myoung Hee,Kim, Jung In,Kim, Sungup,Pae, Suk-Bok,Ha, Tae Joung The Korean Society of Crop Science 2018 한국작물학회지 Vol.63 No.2
Perilla (Perilla frutescens var.frutescens) is an annual plant of the Lamiaceae family, mainly grown for obtaining oil by press extraction after roasting the seeds. Oil yield is one of its important traits, but evaluating this yield is time-consuming, requires many seeds, and is hard to adjust to pedigrees in a breeding field. The objective of this study was to develop a method for selecting high-oil-yield lines in a breeding population without oil extraction. Twenty-three perilla cultivars were used for evaluating the oil yield and seed traits such as seed hardness, seed coat thickness, seed coat proportion and crude fat. After evaluation of the seed traits of 23 perilla cultivars, the ranges of oil yields, seed hardness, seed coat thickness, seed coat proportion, 100-seed weight, and crude fat were 24.68-38.75%, 157-1166 gf, $24-399{\mu}m$, 15.4-41.5%, 2.79-6.69 g, and 33.0-47.8%, respectively. In an analysis of correlation coefficients, the oil yield negatively correlated with seed length, seed width, the proportion of seed coat, seed hardness, and 1000-seed weight, but positively correlated with crude fat content. It was observed that as the seed coat proportion increased, the seed coat thickness, hardness, and 1000-seed weight also increased. Multiple linear regression (MLR) was employed to find major variables affecting the oil yield. Among the variables, traits crude fat content and seed coat proportion were assumed to be indirect parameters for estimating the potential oil yield, with respect to a significant positive correlation with the observed oil yield ($R^2=0.791$). Using these two parameters, an equation was derived to predict the oil yield. The results of this study show that various seed traits in 23 perilla cultivars positively or negatively correlated with the oil yield. In particular, crude fat and the seed coat proportion can be used for predicting the oil yield with the newly developed equation, and this approach will improve the efficiency of selecting prominent lines for the oil yield.
( Eunyoung Oh ),( Sungup Kim ),( Sovetgul Asekova ),( Young Nam Yoon ),( Jeong-dong Lee ) 한국육종학회 2018 Plant Breeding and Biotechnology Vol.6 No.3
Phytophthora blight causes serious yield losses and deterioration of quality in sesame. In this study, we modified the screening method for enhancing the evaluation efficiency of Phytophthora blight resistance. The inoculum density and seedling stage were adjusted for large-scale screening. The optimal stage for inoculation was the seedlings grown to emerged-first-true leaves. At the density of 1 × 10 <sup>4</sup> to 1 × 10 <sup>5</sup> zoospores per milliliter, susceptible cultivars showed disease response within seven days. To verify the screening method, we assessed sesame cultivars and accessions for Phytophthora blight resistance, and varied resistance levels such as resistant, moderate and susceptible reactions were observed.
오은영(Eunyoung Oh),김성업(Sungup Kim),김정인(Jung In Kim),김민영(Min Young Kim),김상우(Sang Woo Kim),이정은(Jeongeun Lee),이은수(Eunsoo Lee),조광수(Kwang-Soo Cho),이명희(Myoung-Hee Lee) 한국육종학회 2022 한국육종학회지 Vol.54 No.4
‘Heukchan’ (Arachis hypogaea L.) is a medium-sized grain and black-skin peanut variety that was developed at the Department of Southern Area Crop Science, National Institute of Crop Science in 2019. ‘Heukchan’ was developed from a single cross between black-skin accession ‘Heukhwasaeng’ and Virginia-type elite line ‘HP825’. ‘Heukchan’ has short ellipse-shaped grains and a dark-purple seed coat. It also has a shorter main stem and branch length (39 cm and 44 cm, respectively) than those of ‘Daekwang’ (50 cm and 61 cm, respectively) which resulted in higher tolerance to lodging. On average, the number of matured pods per plant of ‘Heukchan’ was 61 and its shelling ratio was 74%. The 100-seed weight of ‘Heukchan’ was 64 g which was lower than that of ‘Daekwang’ (85 g). In the regional adaptation test (from 2017 to 2019), the average grain yield of ‘Heukchan’ was 4.56 tons⋅ha-1 showing a 5% higher yield than ‘Daekwang’. The seed coat of ‘Heukchan’ contains two types of anthocyanins, cyanidin 3-sophoroside and cyanidin 3-sambubioside, which are not found in ‘Daekwang’. We analyzed the chemical properties of cooked rice containing ‘Heukchan’ with an increasing substitution ratio (5, 10, 20, and 40%); minerals and antioxidative activity as well as protein and unsaturated fatty acids were found to be significantly increased in the rice mixed with ‘Heukchan’. This new variety highlights the novel use of black-skin peanuts for mixing with rice to enhance nutrition and functionality (Registration No. 9195).