四季栀子新资源的扦插繁育技术  

Breeding new resource of Gardenia jasminoides var.radicans through cutting

作　　者：王一帆 张晓华 陈清海 苏宝川 连其祥 邹双全[1,2] 李俊伟 WANG Yifan;ZHANG Xiaohua;CHEN Qinghai;SU Baochuan;LIAN Qixiang;ZOU Shuangquan;LI Junwei(College of Forestry,Fujian Agriculture and Forestry University,Fuzhou,Fujian 350002,China;Fujian Colleges and Universities Engineering Research Institute of Conservation&Utilization of Natural Bioresources,Fuzhou,Fujian 350002,China;Quanzhou Forestry Bureau,Quanzhou,Fujian 362000,China;Seedling Station of Shouning Forestry Bureau,Shouning,Fujian 355500,China)

机构地区：[1]福建农林大学林学院,福建福州350002 [2]自然生物资源保育利用福建高校工程技术研究中心,福建福州350002 [3]泉州市林业局,福建泉州362000 [4]寿宁县林业局种苗站,福建寿宁355500

出　　处：《亚热带农业研究》2020年第2期94-99,共6页Subtropical Agriculture Research

基　　金：福建省科技创新领军人才专项(118-KRC16006A);福建省林业局科技研究项目(闽林函[2020]25号)资助。

摘　　要：[目的]加快福建省清流县新发现的野生四季栀子的繁育速度,为新种质的推广提供种苗保障。[方法]采用4因素4水平正交试验,调查生长调节剂种类、生长调节剂浓度、浸泡时间和基质类型对四季栀子插穗根长、根数和生根率的影响。[结果](1)生长调节剂种类对生根率影响显著,IAA处理生根率最高(75.83%)。(2)调节剂浓度对生根率有显著影响,800 mg·L^-1时生根率最高(85.42%)。(3)浸泡时间对生根率和根长影响显著,浸泡1.5 h的生根率最高(85.42%),浸泡2.0 h的根数最多(10.33根)、根长最长(3.19 cm)。(4)扦插基质对生根数影响显著,基质为田园土∶珍珠岩=1∶2时,根数最多(11.50根)。[结论]四季栀子扦插生根的理想条件为:生长调节剂选用IAA,浓度800 mg·L^-1,插穗浸泡2.0 h,以田园土∶珍珠岩=1∶2为扦插基质。[Purpose]To speed up the breeding rate of newly discovered wild Gardenia jasminoides var.radicans in Qingliu County of Fujian Province,and to provide seedling guarantee for the promotion of new species.[Method]The effects of plant growth regulator type,concentration,soaking time and matrix type on rooting length,rooting number and rooting rate of G.jasminoides cuttings were investigated by using a 4-factor and-4 horizontal orthogonal test.[Result](1)The type of plant growth regulator had a significant effect on rooting rate,and the IAA treatment had the highest rooting rate(75.83%).(2)The concentration of the regulator had a significant effect on rooting rate,and the rooting rate was highest at 800 mg·L^-1(85.42%).(3)The effect of soaking time on rooting rate and root length was significant.The rooting rate was the highest(85.42%)after soaking for 1.50 h,while the number of roots was the highest(10.33)and the root length was the longest(3.19 cm)after soaking for 2.0 h.(4)There was a significant difference in the number of roots on different immersion matrix.The pastoral soil:perlite(1∶2)matrix produced the highest number of 11.50 roots.[Conclusion]The ideal conditions for the cuttings of G.jasminoides to root were as follows:the growth regulator is IAA,the concentration is 800 mg·L^-1,soaking time is 2.0 h,and the cutting substrate is pastoral soil:perlite(1∶2).

关 键 词：四季栀子 扦插 正交试验 生长素 

分 类 号：S685.99[农业科学—观赏园艺]