美国农业部(USDA)农业研究局(Agricultural Research Service-ARS)、内布拉斯加大学林肯分校(University of Nebraska-Lincoln-UNL)和内布拉斯加州创新园区今天举行了奠基仪式,启动了国家复原和再生精准农业中心(National Center for Re...美国农业部(USDA)农业研究局(Agricultural Research Service-ARS)、内布拉斯加大学林肯分校(University of Nebraska-Lincoln-UNL)和内布拉斯加州创新园区今天举行了奠基仪式,启动了国家复原和再生精准农业中心(National Center for Resilient and Regenerative Precision Agriculture)的建设。这所先进的研究中心将位于内布拉斯加州林肯市的内布拉斯加州创新园区内。它将主要关注21世纪农业创新的挑战和机遇。展开更多
引言：2008年上半年．美国农业部棉花局以Darryl Wayne Eamest副局长为团长的官方组团一行六人，到国家质检总局就中美棉花的检验技术、管理体系以及今后的合作意向等问题进行了交流沟通．国家质检总局安排外方和我方相关技术人员到山...引言：2008年上半年．美国农业部棉花局以Darryl Wayne Eamest副局长为团长的官方组团一行六人，到国家质检总局就中美棉花的检验技术、管理体系以及今后的合作意向等问题进行了交流沟通．国家质检总局安排外方和我方相关技术人员到山东检验检疫局和上海检验检疫局的棉花实验室和检验现场进行了参观和技术交流。这是美国农业部棉花局与国家质检总局检验检疫部门双方官方的第一次正式会晤，因此具有十分重要的意义和里程碑。展开更多
2014年2月,美国农业部（下称USDA）发布了一份长篇报告,题为《Genetically Engineered Crops in the United States》（译为《美国转基因作物》）,作者为JorgeFernandez-Cornejo等四位农业经济学家.这份报告内容丰富,包括了对市场走势...2014年2月,美国农业部（下称USDA）发布了一份长篇报告,题为《Genetically Engineered Crops in the United States》（译为《美国转基因作物》）,作者为JorgeFernandez-Cornejo等四位农业经济学家.这份报告内容丰富,包括了对市场走势的影响因素,如转基因作物种子成本、种植转基因作物农户的产量和收益,以及对消费需求的影响等.报告论据翔实,译文是报告的主体部分,相信对关注转基因作物的读者会有所启迪和帮助,很值得一读.展开更多
Soybean (Glycine max L.) plays an essential role in human nutrition as a protein source, and in plant nutrition as a N source. The rate of N fixation varies depending on the cultivars and compatibility between the ino...Soybean (Glycine max L.) plays an essential role in human nutrition as a protein source, and in plant nutrition as a N source. The rate of N fixation varies depending on the cultivars and compatibility between the inoculated Rhizobium strain and the host cultivar. Characterizing the nodulation regulatory (Rj) genes is necessary to determine the compatibility of cultivars and Rhizobium strains. Rj genes were previously identified based on inoculation tests and PCR analyses. The six cultivars Yezin-3, Yezin-7, Yezin-11, Shan Seine (Local), Madaya (Local), and Hinthada (Local) were identified as harboring the Rj4 gene. Two cultivars, Yezin-6 and Yezin-8, were classified as non-Rj-gene harboring. Two other cultivars, Yezin-9 and Yezin-10, were identified as Rj3- and Rj2Rj3-gene harboring, respectively. Ours is the first report on Rj3- and Rj2Rj3-gene harboring cultivars in Myanmar. We evaluated Myanmar soybean cultivars for symbiotic effectiveness, relying on the standard strain Bradyrhizobium japonicum USDA110. In our first experiment, the soybean cultivar Yezin-11 (Rj4) showed the highest N fixing potential. Based on their potential for fixing N and nodulation, the top six soybean cultivars were Yezin-11 (Rj4), Yezin-9 (Rj3), Yezin-6 (non-Rj), Yezin-8 (non-Rj), Yezin-3 (Rj4) and Yezin-10 (Rj2Rj3). These cultivars were selected for a second experiment, which revealed that the N fixation, nodulation, and plant growth of Yezin-11 (Rj4) *Corresponding author. A. Z. Htwe et al. 2800 were superior to the other cultivars. We conclude that Yezin-11 (Rj4) is the most efficient cultivar for nodulation and N fixation when inoculated with B. japonicum USDA110.展开更多
文摘美国农业部(USDA)农业研究局(Agricultural Research Service-ARS)、内布拉斯加大学林肯分校(University of Nebraska-Lincoln-UNL)和内布拉斯加州创新园区今天举行了奠基仪式,启动了国家复原和再生精准农业中心(National Center for Resilient and Regenerative Precision Agriculture)的建设。这所先进的研究中心将位于内布拉斯加州林肯市的内布拉斯加州创新园区内。它将主要关注21世纪农业创新的挑战和机遇。
文摘引言：2008年上半年．美国农业部棉花局以Darryl Wayne Eamest副局长为团长的官方组团一行六人，到国家质检总局就中美棉花的检验技术、管理体系以及今后的合作意向等问题进行了交流沟通．国家质检总局安排外方和我方相关技术人员到山东检验检疫局和上海检验检疫局的棉花实验室和检验现场进行了参观和技术交流。这是美国农业部棉花局与国家质检总局检验检疫部门双方官方的第一次正式会晤，因此具有十分重要的意义和里程碑。
文摘2014年2月,美国农业部（下称USDA）发布了一份长篇报告,题为《Genetically Engineered Crops in the United States》（译为《美国转基因作物》）,作者为JorgeFernandez-Cornejo等四位农业经济学家.这份报告内容丰富,包括了对市场走势的影响因素,如转基因作物种子成本、种植转基因作物农户的产量和收益,以及对消费需求的影响等.报告论据翔实,译文是报告的主体部分,相信对关注转基因作物的读者会有所启迪和帮助,很值得一读.
文摘Soybean (Glycine max L.) plays an essential role in human nutrition as a protein source, and in plant nutrition as a N source. The rate of N fixation varies depending on the cultivars and compatibility between the inoculated Rhizobium strain and the host cultivar. Characterizing the nodulation regulatory (Rj) genes is necessary to determine the compatibility of cultivars and Rhizobium strains. Rj genes were previously identified based on inoculation tests and PCR analyses. The six cultivars Yezin-3, Yezin-7, Yezin-11, Shan Seine (Local), Madaya (Local), and Hinthada (Local) were identified as harboring the Rj4 gene. Two cultivars, Yezin-6 and Yezin-8, were classified as non-Rj-gene harboring. Two other cultivars, Yezin-9 and Yezin-10, were identified as Rj3- and Rj2Rj3-gene harboring, respectively. Ours is the first report on Rj3- and Rj2Rj3-gene harboring cultivars in Myanmar. We evaluated Myanmar soybean cultivars for symbiotic effectiveness, relying on the standard strain Bradyrhizobium japonicum USDA110. In our first experiment, the soybean cultivar Yezin-11 (Rj4) showed the highest N fixing potential. Based on their potential for fixing N and nodulation, the top six soybean cultivars were Yezin-11 (Rj4), Yezin-9 (Rj3), Yezin-6 (non-Rj), Yezin-8 (non-Rj), Yezin-3 (Rj4) and Yezin-10 (Rj2Rj3). These cultivars were selected for a second experiment, which revealed that the N fixation, nodulation, and plant growth of Yezin-11 (Rj4) *Corresponding author. A. Z. Htwe et al. 2800 were superior to the other cultivars. We conclude that Yezin-11 (Rj4) is the most efficient cultivar for nodulation and N fixation when inoculated with B. japonicum USDA110.
