问题:由天“三系”杂交稻不育系与保持系是同型系,因此,父母本之间一般不需进行错期播种。...
Tuesday, December 20, 2022
Thursday, September 15, 2022
Saturday, September 9, 2023
Sunday, August 20, 2023
Sunday, October 9, 2022
Thursday, September 15, 2022
Sunday, August 20, 2023
Monday, September 12, 2022
问题:制种田父母本行向一般要与开花期的风向垂直或成一定角度。...
Thursday, September 15, 2022
Saturday, September 9, 2023
Thursday, October 5, 2023
Sunday, May 7, 2023
Monday, September 12, 2022
Thursday, September 15, 2022
Monday, January 2, 2023
Sunday, March 31, 2024
问题:水稻光温敏核不育系与三系不育系的主要区别()。A、包颈B、在一定条件下能自交结实繁殖自身C、分蘖力强D、开花分散...
Friday, March 22, 2024
Monday, April 22, 2024
Monday, September 12, 2022