Growth of Hardwood Cutting Seedlings of Liriodendron sino-americanum Based Different Rooting Types(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Title:: Growth of Hardwood Cutting Seedlings of Liriodendron sino-americanum Based Different Rooting Types

Author(s):: LI Yanqiang; YANG Aihong; SUN Xiaoyan; ZHONG Yongda; GAO Zhu; YU Faxin; （Institute of Biological Resources,Jiangxi Academy of Sciences/Key Lab of Horticultural Plant Genetic and Improvement of Jiangxi，Nanchang，Jiangxi 330096）

Keywords:: Liriodendron sino-americanum; rooting type; hardwood; cutting; growth

Abstract:: To study the growth of one year old cuttage seedlings of Liriodendron sino-americanum based different rooting types on medium of perlite，the experiment was carried out by measuring the rooting types，the number of adventitious roots，the length of adventitious roots，the diameter of cutting seedlings，the fresh weight and the distance from shoot to the first rooting on biology upper.To provide reference for clone with high growth and rooting percentage.The results showed that the rooting types had three types which were respectively the rooting originated from cortex，the rooting originated from cortex and callus and the rooting originated from callus.The best percent of rooting type was the type of the rooting originated from callus.The best growth was the type of the rooting originated from cortex and callus.The better growth was the type of the rooting originated from callus.The significantly positive correlation was between the fresh weight and the number of adventitious roots，the length of adventitious roots，the height of cutting seedlings，the diameter of cutting seedlings.The significantly negative correlation between the different rooting types and the number of adventitious roots.

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Last Update: 2016-08-29