【摘要】 本文报道1962-1966年在北京进行梅花北移驯化试验的部分结果。文中叙述了不同类型梅花的自然授粉及人工杂交实生苗在北京自然气候条件下的年生长节律和越冬期内糖类、氮素、水分的变化及其对苗木越冬力的影响,并分析了影响不同梅类型在北京越冬的主导因素。更多还原

【Abstract】 This Paper reports some results of experiments of acclimatization for mei-hua(Prunus mume Sieb. et Zucc.)carried on in Beijing during 1962-1966. Differences among varieties of mei-hua about yearly growth rhythm under natural climatic conditions in Beijing,and differences about changes of sugar nitrogen and water content in seedlings durirg overwintering stage are described and compared each other. Primary restricting factors for overwin tering in acclimatizing different mei-hua types are analysed and discussed更多还原