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Effects of Rooting Agent on the Cutting and Seedling Growth of Miscanthus lutarioriparia

不同浓度生根粉浸泡南荻插茎对其存活及幼苗生长的影响



全 文 :!23" !5#
 Vol.23  No.5
! " # $
ACTA AGRESTIA SINICA
   2015$  9%
  Sep.  2015
犱狅犻:10.11733/j.issn.10070435.2015.05.015
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(犕犻狊犮犪狀狋犺狌狊犾狌狋犪狉犻狅狉犻狆犪狉犻狌狊)+ÙG‘,LJ5YWX
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9:;<=
:Q945.78    >?@AB:A     >CD=:10070435(2015)05100205
犈犳犳犲犮狋狊狅犳犚狅狅狋犻狀犵犃犵犲狀狋狅狀狋犺犲犆狌狋狋犻狀犵犪狀犱犛犲犲犱犾犻狀犵
犌狉狅狑狋犺狅犳犕犻狊犮犪狀狋犺狌狊犾狌狋犪狉犻狅狉犻狆犪狉犻犪
WEIJuan1,XIAOLiang2,YANGSai3,WANGXuehua1,YIZili3
(1.ColegeofAgronomy,HunanAgriculturalUniversity,Changsha,HunanProvince410128,China;
2.BiomassAlcoholFuelEngineeringLaboratoryofHunanProvince,HunanAgriculturalUniversity,Changsha,HunanProvince410128,
China;3.ColegeofBiologicalScienceandTechnology,HunanAgriculturalUniversity,Changsha,HunanProvince410128,China)
犃犫狊狋狉犪犮狋:Toprovideatheoreticalbasisforthelargescalebreedingandcultivationof犕犻狊犮犪狀狋犺狌狊犾狌狋犪狉犻狅狉犻
狆犪狉犻犪,theeffectsofrootingagentswithfivedifferentconcentrations(0,25,50,100and200mg·L-1)on
thecuttinggerminationrate,growthrateandseedlinggrowthof犕犻狊犮犪狀狋犺狌狊犾狌狋犪狉犻狅狉犻狆犪狉犻犪wereinvesti
gated.Theresultsshowedthatthegerminationratesof犕犻狊犮犪狀狋犺狌狊犾狌狋犪狉犻狅狉犻狆犪狉犻犪soakedintherooting
powderofdifferentconcentrationshadthechangerangeof65.55%to70.00%,buttherewasnoobvious
significantdifference.Therootingpowderplayedacertainroleinpromotingverticalgrowthof犕犻狊犮犪狀狋犺狌狊
犾狌狋犪狉犻狅狉犻狆犪狉犻犪seedlings.Thehighconcentrationofrootingpowderhadcertainadvantages,theeffectvar
iedfromtimetotime.Thegrowthratesofleafnumberdifferedfromdifferenttimesandconcentrationsof
rootingpowder.Exceptthickstems,therootingagenthadbiginfluenceonaltestedindexesof犕犻狊犮犪狀狋
犺狌狊犾狌狋犪狉犻狅狉犻狆犪狉犻犪suchasgrowthrate,leafingrate,abovegroundandundergrounddryweight,thelength
oftopthirdleaf.Alinal,50mg·L-1isthebestconcentrationforthecuttingandseedlinggrowthof
犕犻狊犮犪狀狋犺狌狊犾狌狋犪狉犻狅狉犻狆犪狉犻犪.
犓犲狔狑狅狉犱狊:Rootingagent;犕犻狊犮犪狀狋犺狌狊犾狌狋犪狉犻狅狉犻狆犪狉犻犪;Cutting;Seedlinggrowth
EFGH
:20140922;IJGH:20150105
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Authorforcorrespondence,Email:yizili889@163.com
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ongerminationrates
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Table1Effectsofdifferentconcentrationsontheagronomictraitsof犕.犾狌狋犪狉犻狅狉犻狆犪狉犻犪
ܨ
Concentrations
ì
Planthigh/cm
©p
Leafnumber

Stemdiameter/cm
ÑÙ©u
Topthirdleaf/cm
ñš¤Cë
Underground
dryweight/g
ñ‚¤Cë
Abovegrounddry
weight/g
0 89.08±9.91b 8.94±0.14b 0.20±0.03a 52.14±3.15b 0.14±0.06c 2.69±0.86b
25 103.18±3.74a 9.39±0.23ab 0.21±0.01a 61.83±8.38a 0.21±0.03ab 3.96±0.71b
50 107.61±4.35a 9.90±0.07a 0.22±0.03a 64.66±0.41a 0.26±0.03a 5.74±1.07a
100 99.56±10.43ab 9.30±0.41ab 0.19±0.04a 60.77±5.19ab 0.20±0.03abc 3.80±0.75b
200 97.19±6.97ab 9.17±0.48ab 0.20±0.02a 60.58±5.71ab 0.18±0.01bc 3.68±0.56b
  ò:XÄpõÌWXwéBCPó•0.05KLDo—r
Note:Differentlettersindicatesignificantdifferenceatthe0.05level
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