JOURNAL OF NANJING FORESTRY UNIVERSITY ›› 2000, Vol. 24 ›› Issue (01): 12-16.doi: 10.3969/j.jssn.1000-2006.2000.01.004

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AStudyonSelf poisoningEffectsofChineseFirPlantation

MaXiangqing LiuAiqin HuangBaolong (FujianForestryCollege Nanping 3530 0 1)   

  1. NanjingForestryUniversity
  • Online:2000-02-18 Published:2000-02-18

Abstract: Theself poisoningeffectsofChinesefirplantationarestudiedthroughtheseedgerminationexperiment withtheextractsoforgans ,bulksoilsandrhizospheresoilofdifferentrotationplantations .Theresultsareasfollows: therearesomepoisonoussubstancesinhibitinggerminationofChinesefirseedsinsoilsofChinesefirplantations. Theinhibitingeffectbecomesstrongerandstrongerwithincreaseofplantinggenerations.Extractsfromtheorgansof Chinesefirtreesalsohavesomeinhibitingeffectsonseed’sgermination ,buttheeffectofleafisthestrongest.Lower concentrationextractsofundergroundvegetationmaybefavorabletotheseed’sgerminationwhereasthehighercon centrationwillreversetheresults.Itindicatesthatthe“self poisoning”effectsofChinesefirplantationsmightbeone ofthereasonsforpoornaturalregenerationandsoildegradationofChinesefirplantation.

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