Q6优28是重庆中一种业有限公司和重庆市农业科学院选育的三系籼型高产杂交水稻新组合,2016年通过国家农作物品种审定委员会审定(国审稻2016016)。不育系Q6A对授粉期温度敏感,35℃以上高温影响不育系结实。通过对近3 a Q6优28在不同区域...Q6优28是重庆中一种业有限公司和重庆市农业科学院选育的三系籼型高产杂交水稻新组合,2016年通过国家农作物品种审定委员会审定(国审稻2016016)。不育系Q6A对授粉期温度敏感,35℃以上高温影响不育系结实。通过对近3 a Q6优28在不同区域制种试验,总结了通过基地选择、始穗期安排、群体构建、肥水管理、"九二○"施用、病虫防治等方面控制获得高产优质种子的制种技术。为Q6优28的大面积生产提供依据。展开更多
We discuss the properties of complex manifolds having rational homology of S 1 × S 2n?1 including those constructed by Hopf, Kodaira and Brieskorn-van de Ven. We extend certain previously known properties of coho...We discuss the properties of complex manifolds having rational homology of S 1 × S 2n?1 including those constructed by Hopf, Kodaira and Brieskorn-van de Ven. We extend certain previously known properties of cohomology of bundles on such manifolds. As an application we consider degeneration of Hodge-de Rham spectral sequence in this non Kahler setting.展开更多
文摘Q6优28是重庆中一种业有限公司和重庆市农业科学院选育的三系籼型高产杂交水稻新组合,2016年通过国家农作物品种审定委员会审定(国审稻2016016)。不育系Q6A对授粉期温度敏感,35℃以上高温影响不育系结实。通过对近3 a Q6优28在不同区域制种试验,总结了通过基地选择、始穗期安排、群体构建、肥水管理、"九二○"施用、病虫防治等方面控制获得高产优质种子的制种技术。为Q6优28的大面积生产提供依据。
文摘We discuss the properties of complex manifolds having rational homology of S 1 × S 2n?1 including those constructed by Hopf, Kodaira and Brieskorn-van de Ven. We extend certain previously known properties of cohomology of bundles on such manifolds. As an application we consider degeneration of Hodge-de Rham spectral sequence in this non Kahler setting.