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Wei Qiang Jia,Cho Kwang Min,Jeung Joo Lee,Kee Woong Park 한국잡초학회 2021 한국잡초학회 별책(학술대회 초록집) Vol.41 No.1
Schoenoplectus juncoides is a noxious weed in paddy field of South Korea. The excessive and unreasonable use of ALS-inhibiting herbicide caused the evolution of herbicide-resistant S juncoides. As a part of the management of ALS-inhibiting herbicide resistance, early detection of the ALS-inhibiting herbicide resistance in S juncoides is necessary. In this study, we evaluated three methods of rapidly detecting ALS-resistance in S juncoides, including the cutting root test, cutting shoot test, and resistance in-season quick (RISO) test. Three herbicide-resistant populations of S juncotdes (GR, 217R, and WR) and one susceptible population of S juncoides (HS) collected from the Chungnam and Jeonbuk provinces of South Korea served as experimental materials for the evaluation of three resistance test methods established by previous studies. In the three test methods, the GR and 217R were confirmed as resistant to flucetosulfuron and susceptible to penoxsulam. The WR was highly resistant to flucetosulfuron and penoxsulam. All the three resistance test methods have been successfully applied for identifying the ALS-inhibiting herbicide-resistant S juncoides in-season. Especially, the result of cutting roots test demonstrated that the GR, 217R, and WR biotypes were highly resistant to flucetosulfuron with the R/S ratios of 34, 100, and 1852, respectively. The WR biotype was highly resistant to penoxsulam with the R/S ratio of 912, whereas the GR and 217R biotypes were susceptible to penoxsulam. These in-season quick tests are likely to contribute to the use of effective herbicide in crops leading to decreased costs of labour and inputs in paddy field, and increased profits.
Qiang Lu,Qing-Shan Li,Wei Zhang,Kang Liu,Tao Li,Jia-Wei Yu,Yi Lv,Xu-Feng Zhang 대한외과학회 2020 Annals of Surgical Treatment and Research(ASRT) Vol.99 No.1
Purpose: The objective of the current study was to examine the potential effects of surgery start times (morning vs. afternoon) on the long-term prognosis of patients after hepatic resection (HR) for hepatocellular carcinoma (HCC). Methods: All eligible patients were divided into 2 groups according to the start time of surgery: group M (morning surgery, 8 AM–1 PM) and group A (afternoon surgery, 1 PM–6 PM). Clinicopathologic and surgical parameters, as well as oncologic outcomes were compared between the 2 groups. Results: In total, 231 patients were included in the study. There was no difference in age, body mass index, comorbidities, tumor size, tumor location, tumor stages, surgical procedures, or surgical margin between morning and afternoon surgery (all P > 0.05). In contrast, patients in group M experienced longer operation duration than those in group A (median, 240 minutes vs. 195 minutes, P = 0.004). However, no differences of overall survival were observed between morning and afternoon surgery groups in the whole cohort or stratified by surgical margin (all P > 0.05). Conclusion: Surgery start times during the work day have no measurable influence on patient outcome following curative HR for HCC, indicating good self-regulation and professional judgment of surgeons for progressive fatigue during surgery