含笑屬三種植物的化感作用研究.pdf

1、南京林業(yè)大學碩士學位論文含笑屬三種植物的化感作用研究姓名：葉玉娟申請學位級別：碩士專業(yè)：植物學指導教師：何開躍20090601StudyonallelopathyofthreeMicheliaspeciesAbstractTheallelopathiceffectsofthevolatileswaterextractsandvolatileoilofMmaudiae、MchapensisandMr“platypetalaonRpseud

2、oacacia，RsativusandSsudanensewerestudiedTheresultsindicatedthatthethreeprocessingmethodsofthethreeMicheliaspeciesinhibitedthegerminationrate，rootlength，seedlingheightandtheactivityofperxidase(POD)，hyperoxidemutase(SOD)of

3、thethreereceptorsHowever，thecontentofmalondiadehyde(MDA)wasincreasedTheresultofallelopathicsynthesiseffeetshowedthatMmaudiae，MchapensishadstrongerallelopathythanMplatypetalawiththeprocessingofthevolatilesandwaterextracts

4、；MchapensishadstrongerallelopathythanMmaudiaewiththeprocessingofvolatileoilComparedtheallelopathicpotentionofthethreeprocessingmethods0tMchapensis。volatileoilhadthestrongestallelopathicpotentionAndtheallelopathicpotentio

5、nofMchapensisonSsudanensewasthebiggest，theindexwas052ThereforethethreeMicheliaspecieshadalleopathicinhibitiononthethreereceptors，moreovertheirallelochemicalswasreleasedbyvolatilingandleachingwithrainandfogKeywords：volati