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Morphological Variation of Two Cultivated Types of Perilla Crop from Different Areas of China
마슐쥔,이주경 한국원예학회 2017 원예과학기술지 Vol.35 No.4
To better understand the morphological variation for Perilla crop in different areas of China,we studied the morphological variation in 87 accessions (84 cultivated var. frutescens and threecultivated var. crispa ) from high latitude (Northeast China) and middle latitude (North andNorthwest China) areas of China by examining seven quantitative and 10 qualitative characters. Analysis of the morphological variation determined that there was significant morphologicaldifferences in five quantitative traits between cultivated var. frutescens and cultivated var. crispa , including effective number of branches (QN2), number of internodes (QN3), numberof branches (QN4), length of the largest inflorescence (QN5), and days from germination toflowering (QN7). However, two quantitative traits-plant height and number of florets of thelargest inflorescence-did not show any significant differences between cultivated var. frutescensand cultivated var. crispa . In addition, significant differences for six quantitative traits werefound between the accessions of cultivated var. frutescens originating from high and middlelatitude areas in China, which included QN2, QN3, QN5, number of florets of the largestinflorescence (QN6), and QN7. Principal components analysis (PCA) identified five quantitativecharacters [plant height (QN1), QN2, QN3, QN4, QN7] and six qualitative characters [fragranceof plant (QL1), color of reverse side of leaf (QL3), degree of pubescence (QL5), color of flower(QL6), shape of leaf (QL7), and hardness of seed (QL10)] that contributed to the positivedirection on the first axis. The other quantitative and qualitative characters contributed to thenegative direction on the first axis. Most accessions of cultivated var. frutescens and cultivatedvar. crispa were clearly separated by the first axis. In addition, most accessions of cultivatedvar. frutescens are from high latitude and middle latitude areas that were clearly separated bythe first axis, except for several accessions. The findings from this study will provide usefulinformation towards understanding the morphological variation of Perilla crop according togeographical distribution in high and middle latitude regions of China.
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사규진,박대현,임수윤,마슐쥔,이주경 한국육종학회 2019 Plant Breeding and Biotechnology Vol.7 No.4
In this study, we detected the morphological variation of 83 Perilla accessions from Korea and China by observing themeasurements of seven quantitative and eight qualitative characters. Most accessions of cultivated var. frutescens from Southern Chinashowed higher plant height than accessions from Korea and Northern China. The accessions of cultivated var. frutescens from SouthernChina have a relatively late flowering time, while there were three types of accessions for cultivated var. frutescens from Korea andNorthern China: early-maturity, middle-maturity, and late-maturity. These results indicate that latitude with geographical distributionmay be an essential factor affecting the flowering time in Perilla species in East Asia. In principal components analysis (PCAs), fourquantitative traits and five qualitative characters contributed in the positive direction on the first axis. The accessions of cultivated var. frutescens were clearly separated from accessions of cultivated and weedy types of var. crispa in the PCAs, while the accessions ofcultivated and weedy types of var. crispa revealed no separation. In addition, most accessions of weedy type of var. frutescens were notclearly separated with the accessions of cultivated and weedy types of var. crispa. In this study, we have provided the informationregarding the morphological variation of accessions of two cultivated types of Perilla crop and their weedy types from Korea andChina. The findings provide further insight into the morphological variations and differentiation of Perilla accessions with differentgeographical distributions in Korea and China.
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김오겸(O Gyeom Kim),홍탁기(Tak Ki Hong),고우리(Woo Ri Ko),우수연(Su Yeon Woo),마슐쥔(Shi Jun Ma),박종원(Jong Won Park),사규진(Kyu Jin Sa),이주경(Ju Kyong Lee) 한국육종학회 2016 한국육종학회지 Vol.48 No.2
In order to develop a core set and new corn variety in Korea, we evaluated the morphological characteristics of 194 maize accessions by examining eight quantitative characteristics. On the evaluation of quantitative traits for 194 maize accessions, they showed the morphological variations in tassel length (35.1±5.0 cm), plant height (226.1±33.7 cm), ear height (86.3±22.6cm), stem diameter (2.3±0.6 cm), leaf width (9.3±1.1 cm), ear length (14.5±2.4 cm), ear row number (14.1±1.9 row), and 100 kernel weight (24.9±4.4 g). The results of principal component analysis (PCA) indicated that the tassel length, plant height, and ear height greatly contributed to positive direction on the first principal component axis. One-hundred kernel weight contributed to negative direction on the second principal component axis. Thus these morphological characteristics, which contributed greatly in the first and second principal components, might be useful for discrimination among 194 maize accessions. In our study, seven accessions, such as IT026357, IT026441, IT027321, IT033271, IT033591, IT033597 and IT124273, particularly were measured high on yield-related traits. Consequently, the 194 maize accessions used in this study could be used as promising materials for maize breeding programs such as development of new hybrid in Korea.
ScienceON
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