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华南地区常见澳洲坚果砧木品种的优选
刘晚传1, 黄建雄1, 詹金蝉2, 梁太丽1, 侯晨3, 何波祥3, 陈一群3, 梁东成3
1.信宜市林业科学研究所;2.广东森霖造绿有限公司;3.广东省林业科学研究院
摘要:
为突破澳洲坚果存在嫁接难且成活率低等育苗技术难题，研究以华南地区 8 个常见澳洲坚果 品种为砧木和 4 个品种为接穗，采用层次分析法赋值比较砧木—接穗成活率、新梢分支数、最健壮的新 梢直径、新梢最长长度以及新梢氮、磷、钾含量等 7 个指标，结果表明 8 种澳洲坚果砧木品种从优到劣 的顺序为 695 ＞ 900 ＞桂热 1 号＞ H2 ＞ A16 ＞ OC ＞南亚 3 号＞ 788，亦发现了 3 个最佳砧木 - 接穗的 搭配为 695-A16、900- 桂热 1 号和桂热 1 号 -A16。砧木和穗条的合理选择是解决澳洲坚果嫁接技术难题 的关键。
关键词:  澳洲坚果  嫁接  砧木选择
DOI：
分类号:
基金项目:澳洲坚果优良品系选育及种苗产业化技术研究,其它
Optimization of Stocks of Common Macadamia spp. in South China
Liu Wanchuan1, Huang Jianxiong1, Zhan Jinchan2, Liang Taili1, Hou Chen3, He Boxiang3, Chen Yiqun3, Liang Dongcheng3
1.Forestry Research Institute of Xinyi City;2.Guangdong Senlin Greening Co., Ltd.;3.Guangdong Academy of Forestry
Abstract:
To resolve the technical problems of difficult grafting and low survival rates in Macadamia spp., in this study, eight common varieties of Macadamia spp in South China were used as stocks, and four varieties were used as scions. An analytic hierarchy method was applied to compare seven indexes including survival rates of different scions, numbers of newly sprouted shoots, diameters of the strongest new shoots, and content of nitrogen, phosphorus, and potassium in the new shoots. Our results show that eight stocks of Macadamia varieties were ordered from the best to the worst: 695>900>Guire No.1>H2>A16>OC>Nanya No.3>788. The top three stock-scion combinations were 695-A16, 900-Guire No.1 and Guire No.1-A16. Selection of suitable stocks and corresponding scions is essential to resolve the problems of the grafting techniques in Macadamia spp..
Key words:  macadamia nut  grafting  stock selection