不同生长激素对白刺硬枝扦插育苗的影响  

Effects of Different Growth Hormones on Hard wood Cutting Seedling of Nitrariatan tangutorum

作　　者：鲁国瑜 姜生秀[2] 张莹花[2] 赵鹏[2] 张裕年 张逸君[2] Lu Guoyu;Jiang Shengxiu;Zhang Yinghua;Zhao Peng;Zhang Yunian;Zhang Yijun(QilianNature Reserve Station,Qilian Mountain National Nature Reserve Management Center in Gansu Province,Wuwei 733000,China;State Key Laboratory Breeding Base of Desertification and Aeolian Sand Disaster Combating,Gansu Desert Control Research Institute,Lanzhou 730070,China)

机构地区：[1]甘肃祁连山国家级自然保护区管护中心祁连自然保护站,甘肃武威733000 [2]甘肃省荒漠化与风沙灾害防治国家重点实验室培育基地(甘肃省治沙研究所),甘肃兰州730070

出　　处：《防护林科技》2025年第2期13-16,共4页Protection Forest Science and Technology

基　　金：国家自然科学基金项目“河西走廊戈壁生态系统凝结水形成机理及其生态作用”(42207109);甘肃省林业和草原局自列项目“干旱区白刺良种选育及开发利用技术与示范”(2019kj121);2022年陇原青年创新创业人才项目“基于稳定氢氧同位素的人工梭梭水分利用策略研究”(2022LQGR21)。

摘　　要：以白刺1~2年生枝条为材料进行硬枝扦插试验,探讨不同质量浓度萘乙酸(NAA)、吲哚丁酸(IBA)和吲哚乙酸(IAA)对插条当年成活率和生长状况的影响。结果表明:从成活率看,NAA质量浓度为200 mg·L^(-1),IBA质量浓度为50、100、200 mg·L^(-1),IAA质量浓度为50、200 mg·L^(-1)时,有助于提高白刺硬枝扦插成活率;从生长情况看,NAA质量浓度为50、100、200 mg·L^(-1),IBA为50、200 mg·L^(-1),IAA为50、100 mg·L^(-1)时,促进白刺营养生长。综合考虑因素间交互作用,促进白刺硬枝扦插成活生长最佳处理为NAA质量浓度为200 mg·L^(-1)处理,成活率达58.75%,苗高13.14 cm,冠幅10.08 cm。The effects of different mass concentrations of naphthylacetic acid(NAA),indolebutyric acid(IBA)and indoleacetic acid(IAA)on the survival rate and growth status of cuttings in the same year were studied by hardwood cutting experiment with 1-2 years old branches of Nitrariatan tangutorum.The results showed as follows:from the survival rate,NAA mass concentration of 200 mg·L^(-1),IBA mass concentration of 50,100,200 mg·L^(-1),IAA mass concentration of 50,200 mg·L^(-1),help to improve the survival of Nitrariatan tangutorum cutting seedlings;from the growth situation,NAA mass concentration of 50,100,200 mg·L^(-1),IBA mass concentration of 50,200 mg·L^(-1),IAA mass concentration of 50,100 mg·L^(-1),promote the vegetative growth of Nitrariatan tangutorum.Considering the interaction among factors,the optimal treatment for promoting the survival and growth of hardwood cuttings of Nitrariatan tangutorum was NAA mass concentration of 200 mg·L^(-1).The survival rate was 58.75%,the seedling height was 13.14 cm,and the crown width was 10.08 cm.

关 键 词：白刺 生长激素 成活率 苗高 

分 类 号：S723.1[农业科学—林木遗传育种]