小麦不同品种和播期对发育阶段的效应

以热时间（thermal time)为尺度研究了小麦不同品种和播期对发育阶段的效应,结果表明,小麦分蘖发生的早晚以生态因子调控为主,基因型差异较小;分薛- 节期为冬性品种（京411）一生中可变性最大的生育阶段,穗分化进入单棱斯的早晚以基因型效应为主,生态因子的影响次之,单棱－二棱期为春化作用的敏感期,冬性品种晚播（3月2日）春化效应可延迟到小花原基分化期之前,小麦物候期与穗发育阶段的对应关系具有一定的可变性,冬性品种较强的春化作用增加了其生态可变叶原基数;春化过程结束前,物候发育及穗发育阶段累计GDD与相应生殖器官原基分化的数的相关性不明显,春性品种（扬麦158）的物候发育及药隔分化期之前的穗发育阶段与各类顶端原基的分化数均具有极显著的正相关关系。     

Licochalcone A Attenuates Chronic Neuropathic Pain in Rats by Inhibiting Microglia Activation and Inflammation

Neurochemical Research - Immune response plays a vital role in the pathogenesis of neuropathic pain. Immune response-targeted therapy becomes an effective strategy for treating neuropathic pain....     

小麦不同蘖位叶片出生的两段线性模式及其品种、播期效应

叶片出生动态是小麦生长发育进程及其协调状况的重要表现,研究发现,小科叶片出生与播后累积ＧＤＤ（ｆｇｒｏｗｉｎｇ ｄｅｇｒｅｅ ｄａｙｓ ａｆｔｅｒ ｓｏｗｉｎｇ）的关系遵循两段（阶段Ⅰ快于阶段Ⅱ）线性模式,护颖分化期为两段模式的分界点,这一规律在正常发育的冬性和春性品种的７主茎及分蘖中表现一致,冬性品种播期１（９月３０日）、播期３（３月２日）的主茎及冬、春性品种各播期的Ｔ３分蘖,因生长发育异常而”     

不同NH4^＋／NO3^-比例的氮素营养对棉花氮素代谢的影响

The influence of different NH4^+／NO3^- ratios on nitrogen metabolism of cotton was studied under controlled hydroponics, The results showed that compared with single nitrate nutrition, solutions with 25/75, 50/50, 75/25 and 100/0 of NH4^+／NO3^- significantly increased the soluble protein accumulation in leaves and roots of cotton, and the maximum content of soluble protein in leaves and roots appeared respectively in the solution with 50/50 and 75/25 of NH4^+／NO3^- The soluble protein content in roots was increased with the increase of NH4+ percentage, but was slightly less in the solution of 100/0 than 75/25, which was probably related to the excess NH4^+ limiting boot metabolism. With the increase of NH4+ percentage, the nitrate content in petiole and the nitrate reductase activity in functional blade declined, but ammoniac nitrogen content increased in every organ of cotton. These results showed that foreign nitrogen affected the nitrogen metabolism of cotton in a different way, and the nitrogen absorption by cotton was probably related to different forms of foreign nitrogen.     

Combined Strategy of Radioactive <Superscript>125</Superscript>I Seeds and Salinomycin for Enhanced Glioma Chemo-radiotherapy: Evidences for ROS-Mediated Apoptosis and Signaling Crosstalk

Radioactive ¹²⁵I seeds-based radiotherapy has achieved great success in treatment of human cancers. However, radioresistance and severe side effects badly limited its clinic application. Recently, chemoradiotherapy as a superior strategy has been rapidly developed and widely used in clinic. However, the underlying mechanism remains elusive. Herein, in the present study, a combined chemoradiation model of ¹²⁵I seeds and salinomycin (SAL) in vitro and in vivo was designed, and the enhanced anticancer efficiency and mechanism were also evaluated in human glioma. The results showed that combined treatment of ¹²⁵I seeds and SAL induced enhanced growth inhibition against human glioma cells through induction of cell apoptosis. Further investigation revealed that combined treatment of ¹²⁵I seeds and SAL triggered enhanced DNA damage through inducing reactive oxide species (ROS) generation. Additionally, enhanced dysfunction of MAPKs and AKT pathways both contributed to combined treatment-induced growth inhibition against human glioma cells. Importantly, the U251 human glioma xenograft growth was effectively inhibited by combined treatment of ¹²⁵I seeds and SAL by induction of cell apoptosis with involvement of inhibiting cell proliferation and angiogenesis. Taken together, our results indicated that combined treatment of ¹²⁵I seeds and SAL achieved enhanced growth inhibition and apoptosis in human glioma in vitro and in vivo through triggering ROS-mediated DNA damage and regulation of MAPKs and AKT pathways, which validated that the combined strategy of using ¹²⁵I seeds and SAL could be a highly efficient way to achieve enhanced glioma chemo-radiotherapy.     

心象自然：协调人与自然的平衡—第十二届中国（南宁）国际园林博览会园博园总体规划设计创新性探索

心象自然的本质内涵是协调人与自然之间的平衡关系,详细介绍了南宁园博园规划设计所秉承的“心象自然”的创新理念,推行设计总承包的创新模式,以梳理自然条件出发,将自然内化于心,因自然而得“生态、文化、共享”三大策略,再由心外化为景观,借自然而成“三湖六桥十八岭、一阁四馆两中心、八十展园八大景”三大特色格局,最终形成一个自然神奇与人工精巧完美结合的理想山水园林,为南宁铸就了一届独特的园博会。     

Electrical capacitance estimates crop root traits best under dry conditions—a case study in cotton (Gossypium hirsutum L.)

Plant and Soil - Electrical capacitance (EC) is widely used to measure root traits especially in hydroponic and wet soil environments, but its feasibility was recently questioned due to the...     

棉花生育时期及蕾铃发生发育模拟模型研究

通过定量分析南京、安阳、保定和石河子4个试验点2002年不同播期3个品种(早熟品种中棉所36号、中早熟品种中棉所35号、中熟品种中棉所41号)的生育时期与环境因子之间的动态关系,建立了基于生理发育时间(DPT)的棉花生育期、果枝出现时间及其蕾铃发育阶段的模拟模型.模型的热效应计算考虑了不同棉区昼夜温较差对棉花发育速率的影响以及薄膜覆盖的增温效应,在模型中引入了果枝始节系数(I_FIN)、日照时数因子(F_SH)和果枝节位光照系数(I_FBR).利用不同年份、生态区、基因型的试验资料对模型进行了测试检验.结果表明,不同条件下模拟值与观测值的符合度较好.不同生育时期的模拟值与观测值的根均方差(RMSE)从播种到出苗、出苗到现蕾、开花到吐絮及播种到吐絮分别为0.9、2.2、17和2.1d,平均2.1d;棉株各果节点从现蕾到开花日期的模拟值与观测值的RMSE为1.8～3.7d,从开花到吐絮日期的RMSE值为4.6～5.8d.     

不同NH4+/NO3-比例的氮素营养对棉花氮素代谢的影响

The influence of different NH₄⁺/NO₃^- ratios on nitrogen metabolism of cotton was studied under controlled hydroponics.The results showed that compared with single nitrate nutrition,solutions with 25/75,50/50,75/25 and 100/0 of NH₄⁺/NO₃^- significantly increased the soluble protein accumulation in leaves and roots of cotton,and the maximum content of soluble protein in leaves and roots appeared respectively in the solution with 50/50 and 75/25 of NH₄⁺/NO₃^-.The soluble protein content in roots was increased with the increase of NH₄⁺ percentage,but was slightly less in the solution of 100/0 than 75/25,which was probably related to the excess NH₄⁺ limiting boot metabolism.With the increase of NH₄⁺ percentage,the nitrate content in petiole and the nitrate reductase activity in functional blade declined,but ammoniac nitrogen content increased in every organ of cotton.These results showed that foreign nitrogen affected the nitrogen metabolism of cotton in a different way,and the nitrogen absorption by cotton was probably related to different forms of foreign nitrogen.     

林泉之心：将设计轻轻放入山水自然之中——第十二届中国（南宁）国际园林博览会园博园规划设计思考

通过对南宁园博园规划设计及建设管理的全过程思考,认为对待大型复杂项目要先放下原始创作冲动,以林泉之心去培养与场地的感情,保护绿水青山,并通过一对一设计总承包新模式和现场设计方法,统筹多专业、多团队,按照共同的价值观构建设计系统,使整体设计有自然之理,得自然之趣,从而创造出以情驭景、以形传神、外具自然风貌、内含深远意境的自然山水园林。