http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Evaluation of 200 Tomato Wild Accessions for Resistance to Tomato Spotted Wilt Virus (TSWV)
On-Sook Hur,Na-Young Ro,Sukyeong Lee,Aejin Hwang,Seonghoon Kim,Bich-Saem Kim,Awraris Derbie Assefa,Bum-Soo Hahn 한국식품영양과학회 2021 한국식품영양과학회 학술대회발표집 Vol.2021 No.10
Tomato spotted wilt virus (TSWV) is an economically damaging pathogen of tomatoes. Typical symptoms of TSWV include wilting or stunning plants and chlorotic or necrotic rings on leaves and fruits. The effective management for TSWV is breeding tomato cultivars containing the Sw-5 from an unknown Solanum peruvianum. Unfortunately, several Sw-5 resistance-breaking strains of TSWV have been identified. Sw-7 from S. chilense accession LA1938 is an alternative locus conferring resistance to TSWV. The objective of this study was to find tolerant or resistant germplasm to TSWV. A total of 200 tomato wild accessions were evaluated for the resistance to TSWV using a bioassay with strain TSWV-SW-TO2. IT173785 (S. peruvianum) and 5 accessions of S. pimpinellifolium including TI173719 were showed apparent recovery or no symptom on upper leaves at 4 weeks later after inoculation. We will conduct the high resolution DNA melting analysis (HRM) with Sw-5 and Sw-7. These selected accessions will hopefully contribute for new source of resistance in tomato for protection against TSWV.
Awraris Derbie Assefa,Jung Sook Sung(성정숙),Myeong Chul Lee(이명철),Bum Soo Hahn(한범수),Hyung Jun Noh(노형준),On Sook Hur(허온숙),Na Young Ro(노나영),Ae Jin Hwang(황애진),Bich Saem Kim(김빛샘),Jae Eun Lee(이재은) 한국약용작물학회 2021 한국약용작물학회지 Vol.29 No.1
Background: Safflower is an important crop that does not require rich soils. It grows well in dry soils or arid areas with seasonal rain. Exploring the fatty acid profiles and agro-morphological characteristics of diversified collections of safflower provides baseline data for developing improved varieties. In this study, we investigated the variation in agro-morphological characteristics, fatty acid composition and total phenolic content of the seeds, and the relationship between the agro-morphological and biochemical characteristics. Methods and Results: Agro-morphological characteristics were recorded in the field and laboratory. Total phenolic content was estimated using Folin-Ciocalteu’s method and fatty acids were determined using gas chromatography-mass spectrometry. Orange, red, and white petal colors were observed; orange was the dominant pigment. Wide ranges of other agro-morphological characteristics were also recorded. More than 87% of the accessions contained > 50% linoleic acid while approximately 12% of the accessions contained > 50% oleic acid. A strong correlation was observed between palmitic and linoleic acid, and crude fat and oleic acid. A strong negative correlation was observed between crude fat and linoleic acid, palmitic and oleic acid, and oleic and linoleic acid. Conclusions: Safflower accessions were found to be a poor indicator of essential linolenic acid. The wide variation in agro-morphological and biochemical traits of safflower accessions could potentially help to develop an improved, nutrient-dense safflower cultivar.