櫸樹(shù)扦插繁殖技術(shù)與生根機(jī)理的研究.pdf

1、南京林業(yè)大學(xué)碩士學(xué)位論文櫸樹(shù)扦插繁殖技術(shù)與生根機(jī)理的研究姓名：姜志強(qiáng)申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：森林培育指導(dǎo)教師：高捍東20080601StudiesonthecuttingpropagatingtechnologyandrootingmechanismofZP，忌Dv口sc辦咒PZdP，Z口刀口meCnanlSm0I么Pl膨DV口SC以咒PZ口P，Z口刀口ABSTRACTZ臺(tái)，七Dy口sf辦行ef咖，f口，，口HandMazzbelong

2、stoZPZ七Dv口SpachgenusofUlmaceaefamily，itprovenanced’suniquespecieinChinaZeZ七oV口scJl2”Pfde，f口刀口hadbeenrankedassecondfbcusedprotectionwildplantofChinaThepaperaimedatpreser、，ingthefinecharacteristicsgiVenfomZP，露DV口sc辦刀Pf如rf口

3、櫛口MakinoparentsAlloftheeffortswasfbcusedonstudyingcuttingpropagatingtechnologyandrootingmechanismofZP，忌D’，口sc辦刀Pfc據(jù)，i口聆口，theresultsasf6llowing：Theresultsofcuttingpropagatingexperimentshowedthattherootagepercentwasthehigh

4、estwhenthesoftwoodcuttingwasdipedsoakedinABA200mg。L。1for4hoursonthe22thJune，Meanwhilerootingpercentagereachatisashighas735‘％，otherrootingmorph0109icalindexeswasbetterthandifferentdealingAllexaminationsshowedartincialexte

5、rnalhormoneplayedanimportantroleinrootingofplantsignificantly，andtheefI’ectofABTrootagepowderwasthebest；thesurvivingpercentwasthehighestwhenthecuttingswefedippingsoakedinfbr4hoursandtheexternalarti矗cialhormoneconcentrati

6、onwas200nlg。L。1；thecuttingpropagatingwasbetteratthetimeofthe22thJuneapproximately；theplantingmaterialandthecuttingdimensionhadlittleofeff色ctiononsurViVing；andthebergeonmaterialsshouldbecutfromthelowerpartofthetreecrownof

7、atreeThestudyingofrootingmechanismindicatedthatsomeindexesaboutthecontentofnutrientmanifestedagivenrulewiththedevelopmemofrooting，suchass01ublesugar，amylum，solublealbumen，totalnitrogen，totalphosphorandtheratoofC／NetcThec

8、ontentofs01ublesugarandamylumhadadowntrendattheformingperiodofcallusanda11theperiodofrooting，perhapsthesoIublesugarandamylumprovidedenergyforcallusandrootingprocess；whereafter，thecontentofnutrienthadanuptrend，thenindicat

9、ednofluctuatingItcanbeexplainedastheenergyrequirementisreductionafterrootingTheratoofC／Nmanif色stedtherootingabilityinsomeextentBoththenuctuatingofthecontentofnutrientandthehormoneinburgeonIikeIAA，ABA，GA3andZRetcpromotedt

10、herootingprocessThenuctuatingcurVeofthecontentofhormoneinburgeoncanindicatetheprocessofthefbrmingofcallusandrootingItisfavorthatthereisthehighratioofIAA／ABAadVantagedtherootingprocessTheexperimentoftheactivityofIAAOandPO