翅果油树嫩枝扦插繁殖技术  

Propagation Techniques of Green-wood Cutting of Elaeagnus mollis

作　　者：赵罕[1] 张华新[1] 刘正祥[1] 

机构地区：[1]国家林业局林木培育重点实验室(中国林业科学研究院林业研究所),北京100091

出　　处：《东北林业大学学报》2009年第9期14-16,21,共4页Journal of Northeast Forestry University

基　　金：意大利国际合作项目(2003-02);国家林业局重点项目(2006-04)

摘　　要：以翅果油树(Elaeagnus mollis Diels.)当年生枝条为材料,对影响插穗生根的插穗规格、母树年龄、扦插时间、基质种类、激素种类及其处理时间等因素进行了系统研究。结果表明:翅果油树嫩枝扦插宜于6月下旬进行,将直径(d)和长度(l)分别为3mm<d<5mm和8cm<l<13cm的插穗扦插于蛭石和珍珠岩按1∶1(V/V)组成的复合基质中,扦插效果好,生根能力强;嫩枝插穗具有显著的位置效应和年龄效应,2年生母树中段插条制作的嫩枝插穗生根率为82%;外源激素处理是提高嫩枝插穗生根能力的一个必要措施,且以100和500mg·mL-1的IBA分别处理240和1min的插穗生根效果最好。The soft branches of Elaeagnus molli were used as materials to study rooting ability of green-wood cutting. The effects of cutting scale, mother plant age, cutting date, type of culture medium, concentration and treating time of exogenous hormone, and cutting position on the rooting rate of cuttings were studied by randomized complete block design. Results indicated that the optimal date of green-wood cutting was late June, and the cuttings with a diameter of 3 - 5 mm and a length of 8 - 13 cm had a strong rooting ability after cut in the compound medium of vermiculite and pcrlite at a ratio of 1 ： 1 in volume. The cuttings had remarkable position effect and age effect, and the rooting rate of green-wood cuttings from the middle part of branches of 2-year-old mother plants reached 82 percent. Exogenous hormone treatment was necessary for increasing the rooting ability of green-wood cuttings, and the cuttings treated with IBA at a concentration of 100 mg· L^-1 or 500 m· L^-1 for 240 minutes or 1 minute respectively showed zood rootinz effects.

关 键 词：翅果油树(Elaeagnus mollis) 嫩枝扦插 生根特性 

分 类 号：S723.132[农业科学—林木遗传育种]