【摘要】 黑龙江省水稻迅猛发展,品种改良功不可没,但是常规品种在产量和抗逆性已经出现瓶颈。本研究通过对寒地水稻的战略地位分析,提出了发展寒地杂交粳稻的必要性,并根据国内外和北方杂交粳稻的研究进展,探讨寒地杂交粳稻面临的主要问题,进而提出了相应的解决对策。更多还原

【Abstract】 Variety improvement plays an important role at the development of rice in Heilongjiang, but bottlenecks are already appearing in the yield and resistance on conventional varieties. The paper analyzed strategic position of japonica hybrid rice in cold region, put forward necessity to develop japonica hybrid rice, discussed major problem depend on the advancements of japonica hybrid rice at home and abroad, and then puts forward the corresponding solution to the problems.更多还原