| 小叶芳樟扦插育苗技术及其不定根形成机理 |
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| 引用本文： | 梁晓静,朱昌叁,安家成,李开祥,曾祥艳,杨卓颖,余玉珠.小叶芳樟扦插育苗技术及其不定根形成机理[J].广西林业科学,2020(1):7-12. |
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| 作者姓名： | 梁晓静 朱昌叁 安家成 李开祥 曾祥艳 杨卓颖 余玉珠 |
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| 作者单位： | 广西壮族自治区林业科学研究院/广西特色经济林培育与利用重点实验室/广西木本香料工程技术研究中心/国家林业和草原局八角肉桂工程技术研究中心;广西国有钦廉林场 |
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| 基金项目： | 自治区主席科技资金项目(1517-06);广西林业科技项目(桂林科字[2016]第6号);第八批广西特聘专家专项;中央财政林业科技推广示范项目([2018]TG13,[2020]TG04)。 |
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| 摘 要： | 采用石蜡切片法,对小叶芳樟(Cinnamomum camphora var.linaloolifera)插穗的生根特性及其解剖构造进行研究。结果表明,小叶芳樟根原始体属于诱导原始体,产生于木质部和韧皮部之间的维管形成层,其生根过程中未发现愈伤组织形成,属单一皮部生根型,不定根产生于插穗的下切口边缘向上至0.1~1 cm处。针对小叶芳樟扦插生根特性,优化外源激素浓度、留叶方式、插穗直径和扦插基质配方,筛选出最佳扦插组合为直径4 mm的半木质化插穗,保留2片完整叶子,经100 mg/L生长调节剂GGR6处理后,在混合基质(黄心土∶泥炭∶珍珠岩=3∶2∶1)中培育7~8周,扦插成活率达97.53%。
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| 关 键 词： | 扦插育苗 石蜡切片法 小叶芳樟 解剖结构 成活率 |
Cuttage Technology and Adventitious Rooting Mechanism of Cinnamomum camphora var. linaloolifera |
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| Liang Xiaojing,Zhu Changsan,An Jiacheng,Li Kaixiang,Zeng Xiangyan,Yang Zhuoying,Yu Yuzhu.Cuttage Technology and Adventitious Rooting Mechanism of Cinnamomum camphora var. linaloolifera[J].Guangxi Forestry Science,2020(1):7-12. |
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| Authors: | Liang Xiaojing Zhu Changsan An Jiacheng Li Kaixiang Zeng Xiangyan Yang Zhuoying Yu Yuzhu |
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| Institution: | (Guangxi Forestry Research Institute,Guangxi Key Laboratory of Special Non-wood Forest Cultivation&Utilization,Guangxi Woody Spices Engineering and Technology Research Center,Engineering and Technology Research Center for Anise and Cinnamon of National Forestry and Grassland Administration,Nanning,Guangxi 530002,China;Guangxi State-owned Qinlian Forest Farm,Qinzhou,Guangxi 535099) |
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| Abstract: | Rooting characteristics and anatomical structure of Cinnamomum camphora var. linaloolifera cuttings were studied by paraffin section method. Results showed that root prototype of C. camphora var. linaloolifera belonged to induced primitive and arised from vascular cambium between xylem and phloem, which was a type of single dermal rooting without calluses in process of rooting. Adventitious roots occurred from lower incision edge of cuttings within 0.1 to 1 cm upwards. Aiming at rooting characteristics of C. camphora var. linaloolifera, optimizing and screening exogenous hormone concentration, pattern of left leaves, cutting diameter, and cuttage substrate, optimal cuttage combination was semi-timberization cuttings with diameter 4 mm and two complete leaves, which were treated with 100 mg/L GGR6 in mixed substrate(yellow soil∶peat∶perlite =3∶2∶1) for seven to eight weeks. Cuttage suvival rate was 97.53%. |
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| Keywords: | cuttage paraffin section method Cinnamomum camphora var linaloolifera anatomical structure survival rate |
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