Page 213 - 《水资源与水工程学报》2023年第4期
P. 213
!34 " ! 4 # & ' ( ) & * + , - Vol.34No.4
2023 $ 8% JournalofWaterResources&WaterEngineering Aug.,2023
DOI:10.11705/j.issn.1672-643X.2023.04.25
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MNOPQ:S274.3;S147.22 7RSTU:A 7VWQ:1672643X(2023)04020908
Effectsofirrigationmethodandfertilizationrateongrowth,physiology
andyieldoftheediblerose (Rosarugosa Thunb.)
MAOYi,YANGQiliang,CHENShaomin,TANShuai,ZHANGYan,WANGRuoya
(FacultyofModernAgriculturalEngineering,KunmingUniversityofScienceandTechnology,Kunming650500,China)
Abstract:Inordertoinvestigatetheresponsecharateristicsofthegrowth,physiologyandyieldoftheed
iblerose(RosarugosaThunb.)totheirrigationmethodsandfertilizationrates,thecompletecombina
tionsoftwodifferentirrigationmethods (microsprinklerirrigation,W;dripirrigation,D)and4fertili
2
zationrates (F0=0,F1=60,F2=135andF3 =225kg/hm )weretestedusinga2yearoldedible
rosecutivar“crimsonglory”astheexperimentalmaterial.Theresultsshowedthattheirrigationmethod
andfertilizationratehadasignificanteffectontheplantheightandstem diameterof“crimsonglory”
( P <0.05),WF3treatmentwasbeneficialtotheplantheightgrowthof“crimsonglory”,whereasDF3
treatmentwasconducivetothestemdiameter.Atallgrowthstages ,irrigationmethodsandfertilization
rateshadasignificanteffectonthenetphotosyntheticrateoftheediblerose (P <0.05),andthenet
photosyntheticrateandtranspirationrateoftheediblerosepeakedatthebuddingstage ,withthenetpho
2
tosyntheticratereachingthehighest(17.93μ mol/(m ·s))underDF2andthetranspirationratea
2
chievingthehighest (6.10mmol/(m ·s))underDF3treatment.Moreover,theinteractionbetween
theirrigationmethodandfertilizationratehadasignificanteffectonthecarotenoidcontentandchloro
phyllcontentoftheedibleroseleaves (P<0.05),andthecontentsofchlorophyllandcarotenoidswere
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