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| 1 | Resistance and fitness costs in diamondback moths after selection using broflanilide, a novel meta-diamide insecticide显示文摘The diamondback moth (DBM) Plutella xylostella (L.) (Lepidoptera: Plutellidae) is an insect pest found around the world that feeds on cruciferous crops. The DBM has become resistant to most insecticides in current use in the field. Broflanilide is a novel meta-diamide insecticide that binds to a new site on the γ-aminobutyric acid receptor and very efficiently protects against most pests in the order Lepidoptera, including DBM. In this study, the resistance of a laboratory-bred susceptible strain of DBM to broflanilide and the fitness costs posed by broflanilide to the DBM were evaluated. The DBM had no obvious resistance to broflanilide after 10 generations of selection. The realized heritability h2 was 0.033, suggesting a low risk of resistance developing in this strain. The F10 generation had no cross-resistance to the insecticides abamectin and endosulfan (which target the γ-aminobutyric acid receptor) and chlorantraniliprole (which targets a non-γ-aminobutyric acid receptor). The specific activities of important detoxification enzymes (cytochrome P450 monooxygenase, esterase, and glutathione S-transferase) were not obviously altered. However, the larval stage was prolonged and the adult stage was shortened significantly in F11 generation than the F0 generation. The total preoviposition period TPOP significantly prolonged 1.90 d in F11 generation. The fitness value Rf (0.93) was lower for the F11 generation than the F0 generation. The results indicated that long-term exposure to broflanilide exerts clear fitness costs in the DBM. This information will be useful in identifying reasonable broflanilide application guidelines for managing broflanilide resistance in the DBM. | Xi Sun Rui Wei Linhong Li Bin Zhu Pei Liang Xiwu Gao | 2022 | Insect Science2022,29,1: | 5 |
| 2 | Stress concentration of finite composite laminates weakened by multiple elliptical holes显示文摘 | Xu Xiwu Sun L X Fan X Q | 1995 | International Journal of Solids & Structures1995,32,20: | 1 |
| 3 | A new directed graph approach for automated setup planning in CAPP显示文摘 | SUN Xiwu CHU Xuening SU Yuliang | 2010 | International Journal of Production Research2010,48,22: | 1 |
| 4 | Cross resistance patterns and fitness in fufenozide-resistant diamondback moth, Plutella aeylostella ( Lepidoptera: Plutellidae) 显示文摘 | Sun Jingyan Liang Pei Gao Xiwu | 2012 | Pest Management Science2012,68,2: | 1 |
| 5 | Electroluminescence from ITO/SiO 2 /Ta 2 O 5 /Al multiple-layer structure excited by hot electrons显示文摘 | Jiaming Sun Guozhu Zhong Xiwu Fan Guozhu Fu Chenwei Zheng | 1997 | Journal of Non-Crystalline Solids1997,,2: | 1 |
| 6 | Stress concentrationof finite element composite laminates weakened bymultiple elliptical holes 显示文摘 | Xu Xiwu Sun Liangxin Fan Xuqi | 1995 | International Journal ofSolids and Structures1995,32,: | 1 |
| 7 | Integrating Optical and Microwave Satellite Observations for High Resolution Soil Moisture Estimate and Applications in CONUS Drought Analyses显示文摘In this study, optical and microwave satellite observations are integrated to estimate soil moisture at the same spatial resolution as the optical sensors (5km here) and applied for drought analysis in the continental United States. A new refined model is proposed to include auxiliary data like soil texture, topography, surface types, accumulated precipitation, in addition to Normalized Difference Vegetation Index (NDVI) and Land Surface Temperature (LST) used in the traditional universal triangle method. It is found the new proposed soil moisture model using accumulated precipitation demonstrated close agreements with the U.S. Drought Monitor (USDM) spatial patterns. Currently, the USDM is providing a weekly map. Recently,“flash” drought concept appears. To obtain drought map on daily basis, LST is derived from microwave observations and downscaled to the same resolution as the thermal infrared LST product and used to fill the gaps due to clouds in optical LST data. With the integrated daily LST available under nearly all weather conditions, daily soil moisture can be estimated at relatively higher spatial resolution than those traditionally derived from passive microwave sensors, thus drought maps based on soil moisture anomalies can be obtained on daily basis and made the flash drought analysis and monitoring become possible. | Donglian Sun Yu Li Xiwu Zhan Chaowei Yang Ruixin Yang | 2018 | Remote Sensing2018,7,1: | 0 |
| 8 | Type-2 fuzzy description logic显示文摘描述逻辑(DL ) 广泛地在最近的语义网应用程序系统被采用。然而,当处理不精确的概念和角色时,古典描述逻辑被限制,因此为这个工作提供动机。在这份报纸,我们在场 type-2 有补充(ALC ) 的模糊归属的概念语言并且提供它的知识表示和推理算法。我们也建议 type-2 模糊的网本体论语言(猫头鹰) 到基于 type-2 造模糊本体论模糊 ALC 和分析推理算法的稳固,完全性,和复杂性。把模糊 ALC 比作 type-1,模糊 ALC 能描述的 type-2 不精确的知识更细致地由使用会员度间隔。我们基于 type-2 实现一个语义搜索引擎模糊 ALC 并且在真实数据上执行实验测试它的性能。结果证明模糊 ALC 能改进的 type-2 为不精确的信息的相关点击的数字寻找的精确和增加。 | Ruixuan LI Kunmei WEN Xiwu GU Yuhua LI Xiaolin SUN Bing LI | 2011 | Frontiers of Computer Science2011,5,2: | 0 |
| 9 | Growth Performance of Larval and Juvenile Manila Clam(Ruditapes philippinarum) from Divergently Selected Individuals of a Full-Sib Family显示文摘In this study, the method of divergent selection was employed to test the larval and juvenile growth performance within a full-sib family of Manila clam Ruditapes philippinarum. The 10% largest and 10% smallest clam individuals(on the basis of shell length) of a full-sib family were selected as parents for the fast and slow growing lines, respectively. The difference in shell length was significant among the three lines(fast, control, and slow) tested. The sequence of shell length were fast line > control line > slow line. The responses to selection, realized heritability, and genetic gain were 0.06%–0.81%, 0.04%–0.47% and 0.58%–18.89% in the fast direction, respectively; and were 0.14%–1.27%, 0.08%–0.73%, and 0.31%–49.03% in the slow direction, respectively. The results suggested that there was a large portion of additive genetic variance affecting the growth in the full-sib family. Selection in the fast direction within the full-sib family would greatly improve the growth of R. philippinarum. | HUO Zhongming LI Xiaotong SUN Qian LI Yongren ZHANG Xuekai YAN Xiwu YANG Feng | 2016 | Journal of Ocean University of China2016,15,6: | 0 |