【摘要】 根据观察研究发现,砧木对核桃树的寿命、生长、开花、结实以及适应性均有很大影响。因此,为了促进我国核桃产业发展,选育优良抗性砧木品种显得十分必要。经过9 a的反复调查试验,从山西省屯留县选育出的晋RS-1系核桃砧木,是我国第1个核桃砧木优系。笔者介绍了晋RS-1系母树的生物学特性,分析了其抗寒、抗病虫害能力以及子代繁殖力等方面的优势。结果表明:晋RS-1系砧木比中林1号、辽宁1号、鲁光等品种表现出耐寒、耐旱、病虫害少、繁殖能力强等特点,是一个非常理想的砧木优系,适宜在我国北方核桃产区大力推广。更多还原

【Abstract】 This paper introduces Jin RS-1 walnut rootstock ecological traits and economic traits,analysis its cold resistance,disease resistance,resistance to plant diseases and insect pests,as well as Jin RS-1 offspring fecundity advantages.The results indicate that,compared to zhonglin No.1,Liaoning No.1,Lu Guang,RS-1 stock show strong reproductive capacity and resistance to coldness,drought,diseases and insects.It Is a ideal rootstock superior lines in the north of China.更多还原