Journal of Guangxi Normal University(Natural Science Edition) ›› 2013, Vol. 31 ›› Issue (1): 88-93.

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Compare the Allelopathic Potential of Osmanthus fragrans in Different Habitats

LI Fu-rong1,2, HE Gui-yin1, ZHOU Qiao-jin1,2, A Xi-ying1, LIANG Shi-chu1,2   

  1. 1.College of Life Science,Guangxi Normal University,Guilin Guangxi 541004,China;
    2.Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection (Guangxi Normal University), Ministry of Education,Guilin Guangxi 541004,China
  • Received:2012-09-05 Online:2013-03-20 Published:2018-11-26

Abstract: To compare the allelopathy of Osmanthus fragrans in four different habitats,the allelopathic potential of aqueous extracts of thefresh and fallen leaves of O.fragrans to radish was studied by using indoorPetri dish bioassay method.The results showed that aqueous extracts from both the fresh and fallen leaves in the four habitats all had allelopathic effects.However,the differences of allelopathic potential existed under different situations.In the same habitat,the allelopathy inhibition of fresh leaves was usually stronger than that of fallen leaves,which may be relative to the contents and kindsof different allelochemicals.Except the fallen leaves in Qixing Park and GuilinLandscape Botanical Garden,the aqueous extracts of the other leaves significantly inhibited the seed germination of radish.In more cases,the allelopathy inhibition of the aqueous extracts of O.fragrans leaves on root growth was stronger than that on the stem length of radish seedlings.The allelopathy inhibition was beneficial to improve O.fragrans grow better in the competition with otherplants.This study provided some theory basis to guide the widely cultivation and rationally arrangement of O.fragrans.

Key words: Osmanthus fragrans, allelopathy, habitat, fresh leaf, fallen leaf

CLC Number: 

  • Q948.12
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