摘要
本研究以文冠果当年生枝条为材料,调查了不同母株树龄、生根剂处理浓度和时间以及电热丝加热处理等对文冠果硬枝扦插生根的影响,并对比分析了不同嫁接方法和时间对文冠果嫁接成活率的影响。结果表明:二、四、九年生文冠果母株上采集的插穗之间扦插生根率没有显著差异;用生根剂浸泡插穗能够提高文冠果硬枝扦插愈伤组织形成率、生根率、生根数和根长,最佳处理为用IBA 250 mg/L+NAA 100 mg/L浸泡15 min,愈伤组织形成率可达到92.82%,生根率可达到78.86%;电热丝加热不能显著提高愈伤组织形成率和生根率,但可以明显加快愈伤组织的形成速度。文冠果春季劈接、舌接和芽接的嫁接成活率均可达到90%以上,生产中可根据实际情况从中选择更适合的嫁接方法;夏季芽接成活率为65.61%,可作为文冠果的辅助嫁接方法。
In this study,the effects of different mother plant ages,concentrations and times of rooting agent and electric heating wire heating on the rooting of hard branch cuttings of Xanthoceras sorbifolium were investigated,and the effects of different grafting methods and grafting times on the grafting survival rate of Xanthoceras sorbifolium were investigated.The results showed that there was no significant differences in the rooting rate among the cuttings collected from the mother plants of two,four and nine years old.Soaking the cuttings with rooting agents could improve the callus formation rate,rooting rate,rooting number and root length of hard branch cuttings of Xanthoceras sorbifolium.The optimal treatment was soaking the cuttings with IBA 250 mg/L+NAA 100 mg/L for 15 min,with the callus formation rate of 92.82%and rooting rate of 78.86%.Electric heating wire heating could not significantly improve the rate of callus formation and rooting,but could significantly accelerate the rate of callus formation.The survival rate of cleft grafting,tongue grafting and bud grafting in spring of Xanthoceras sorbifolium could all reach over 90%,in production,more suitable grafting methods could be selected from the three methods according to the actual situation.The survival rate of bud grafting in summer was 65.61%,which could be used as an auxiliary grafting method for Xanthoceras sorbifolium.
作者
杨朝阳
马麒龙
白耀栋
马俊泰
YANG Chaoyang;MA Qilong;BAI Yaodong;MA Juntai(Nanhua Ecological Construction Bureau of Bailongjiang Forestry Administration in Gansu Province,Gaotai Gansu 734300;Seed and Forestry Pest Control and Quarantine Station of Bailongjiang Forestry Protection Center in Gansu Province,Lanzhou Gansu 730000)
出处
《现代农业科技》
2024年第10期76-79,83,共5页
Modern Agricultural Science and Technology
基金
民生科技专项-乡村振兴专题项目“干旱荒漠区文冠果栽培示范与引种技术研究”(21CX6NA039)。
关键词
文冠果
硬枝扦插
嫁接
生根情况
成活率
Xanthoceras sorbifolium
hard branch cutting
grafting
rooting situation
survival rate
