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Position: Home > Articles > Factors Affecting in vitro Rooting of Xinjiang Walnut Cultivars Northern Horticulture 2009 (8) 107-109

新疆核桃品种试管苗不定根发生的影响因素研究

作  者:
胡石开;王晓军;郝秀英;唐晓义;李静;牛力涛;努尔·波拉提
单  位:
新疆农业科学院;中国科学院
关键词:
核桃品种;生根;离体培养;新疆
摘  要:
以新疆2个优良核桃品种新温185号、新温2号为试材,对影响试管苗的不定根发生的影响因素进行了研究。结果表明:基本培养基、外源IBA水平、光周期及黑暗条件对不定根发生具有一定的影响。选取生长旺盛的试管苗,采用一步浸蘸诱导生根法,即将试管苗放入经常规灭菌处理过的80 mg/L的IBA溶液中浸蘸处理75 min,然后转入不含任何激素的1/4 DKW中,黑暗处理12 d后置于光照下生根。利用这一方法快速诱导了试管苗生根,获得了高达90.90%的生根率,生根指数达254.44。
译  名:
Factors Affecting in vitro Rooting of Xinjiang Walnut Cultivars
作  者:
HU Shi-kai1,2,WANG Xiao-jun1,HAO Xiu-ying3,TANG Xiao-yi1,2,Li Jing1,2,NIU Li-tao 1,2,NUR·Bolat1 (1.Xinjiang Technical Institute of Physics and Chemistry,Chinese Academy of Sciences,Urumqi,Xinjiang 830011,China;2.Graduate University of Chinese Academy of Sciences,Beijing 100039,China;3.Institute of Microbiology,Xinjiang Academy of Agricultural Science,Urumqi,Xinjiang 830091,China)
关键词:
Juglans regia L.cultivars;Rooting;In vitro culture;Xinjiang
摘  要:
The factors affecting in vitro rooting of Xinjiang walnut cultivars-Xinwen 185 and Xinwen 2 were researched.The results showed that the rooting was related to the basic medium,the level of foreign IBA,light and dark conditions.The rooting rate of 90.90%and root index of 254.44 were achieved in two cultivars by using a step-induced root dip method that was firstly induced in 80 mg/L of IBA solution for 75 minutes,and then transferred to the 1/4DKW medium which did not contain any hormone,and then took to induce rooting under the light after in dark condition for 12 days.

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