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I V I ANSTITUTO ALENCIANO DE NVESTIGACIONES GRARIAS
USE OF GRAFTED CUCURBITS IN USE OF GRAFTED CUCURBITS IN THE MEDITERRANEAN REGION THE MEDITERRANEAN REGION
AS AN ALTERNATIVE TO METHYL AS AN ALTERNATIVE TO METHYL BROMIDEBROMIDE
Dr. Alfredo MiguelDr. Alfredo MiguelInstituto Valenciano de Instituto Valenciano de
Investigaciones Agrarias (IVIA)Investigaciones Agrarias (IVIA)Moncada (Valencia) Moncada (Valencia) SpainSpain
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I V I ANSTITUTO ALENCIANO DE NVESTIGACIONES GRARIAS
RootstocksRootstocks
•• SeveralSeveral speciesspecies ofof thethe samesame familyfamily((CucurbitaceaeCucurbitaceae) can be ) can be usedused as as rootstockrootstock. . ThisThisshouldshould::•• Be Be resistantresistant toto thethe diseasedisease thatthat isis beingbeing usedused toto
preventprevent•• HaveHave a a goodgood compatibilitycompatibility withwith scionscion•• GiveGive vigourvigour andand strengthstrength•• PossessPossess goodgood conditionsconditions forfor thethe graftinggrafting toto be be
carriedcarried outout•• NotNot modifymodify fruitfruit qualityquality unfavourablyunfavourably
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I V I ANSTITUTO ALENCIANO DE NVESTIGACIONES GRARIAS
RootstocksRootstocks•• SpeciesSpecies thatthat are are usedused as as rootstocksrootstocks in in
cucurbitaceaecucurbitaceae
++BenincasaBenincasa ceriferacerifera
++LagenarLagenar. . sicerariasiceraria
++++++C.maxC.max x x C.moschC.mosch..++Cucur.ficifoliaCucur.ficifolia
++Cucur.moschataCucur.moschata++CitrullusCitrullus lanatuslanatus
++Cucumis meloCucumis meloWatermelonWatermelonCucumberCucumberMelonMelon
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I V I ANSTITUTO ALENCIANO DE NVESTIGACIONES GRARIAS
GraftingGrafting methodsmethods
•• TongueTongue aproachaproach•• DuringDuring thethe unionunion phasephase
thethe twotwo plantsplants ((rootstockrootstockandand scionscion) conserve ) conserve theirtheir rootroot systemssystems
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I V I ANSTITUTO ALENCIANO DE NVESTIGACIONES GRARIAS
GraftingGrafting methodsmethods
•• InsertionInsertion graftinggrafting•• Once Once joinedjoined, , thethe unionunion
isis strongerstronger..•• ThereThere isis no no needneed toto cutcut
thethe stemstem ofof thethe scionscion
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I V I ANSTITUTO ALENCIANO DE NVESTIGACIONES GRARIAS
GraftingGrafting methodsmethods
•• SpliceSplice graftinggrafting•• ItIt has has thethe samesame
advantagesadvantages as as thethe“insertion grafting”“insertion grafting”
•• ItIt seemsseems more more easilyeasilyautomatedautomated
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GraftingGrafting methodsmethods
•• GraftingGrafting isis carriedcarried out in out in specializedspecialized nurseriesnurseries, by , by trainedtrained personnelpersonnel..
•• NowNow theythey are are beginningbeginningtoto use robots use robots thatthatimproveimprove labourlabourefficiencyefficiency
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PathogensPathogens controledcontroled by by graftinggrafting
++++++MeloidogyneMeloidogyne spsp..
++++MelonMelon NecroticNecrotic Spot Virus Spot Virus (MNSV)(MNSV)
++++MonosporascusMonosporascuscannonballuscannonballus
++PhomopsisPhomopsis sclerotioidessclerotioides++F. F. oxyspoxysp. . cucumerinumcucumerinum
++F. F. oxyspoxysp. . niveumniveum
++F. F. oxyspoxysp. . melonismelonisWatermWaterm....CucumbCucumbMelonMelon
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I V I ANSTITUTO ALENCIANO DE NVESTIGACIONES GRARIAS
Use Use ofof graftinggrafting in in FranceFrance•• MelonMelon
•• FusariumFusarium oxysporumoxysporummelonismelonis
•• C.maximaC.maxima x C. x C. moschatamoschata•• AreaArea withwith graftedgrafted plantsplants
1000Ha1000Ha•• CucumberCucumber
•• PhomopsisPhomopsis sclerotioidessclerotioides•• C.ficifoliaC.ficifolia oror•• C.maximaC.maxima x C. x C. moschatamoschata•• AreaArea 3% 3% ofof thethe totaltotal
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I V I ANSTITUTO ALENCIANO DE NVESTIGACIONES GRARIAS
Use Use ofof graftinggrafting in in ItalyItaly•• MelonMelon
•• FusariumFusarium oxysporumoxysporummelonismelonis
•• HybridHybrid cucurbitacucurbita ororCucumisCucumis melomelo
•• 55--6 6 millionmillion plantsplantsgraftedgrafted
•• SpliceSplice graftinggrafting•• WatermelonWatermelon
•• HybridHybrid cucurbitacucurbita•• 20 20 millionmillion plantsplants
graftedgrafted
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I V I ANSTITUTO ALENCIANO DE NVESTIGACIONES GRARIAS
Use Use ofof graftinggrafting in in SpainSpain•• MelonMelon
•• MonosporascusMonosporascus oror MNSVMNSV•• HybridHybrid cucurbitacucurbita•• LessLess thanthan 1 1 millionmillion plantsplants
((CantaloupCantaloup andand C.meloC.melo varvarflexuosusflexuosus))
•• WatermelonWatermelon•• FusariumFusarium oxysporumoxysporum
niveumniveum•• HybridHybrid cucurbitacucurbita•• 30 30 millionmillion plantsplants graftedgrafted
(12000 Ha) (12000 Ha)
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I V I ANSTITUTO ALENCIANO DE NVESTIGACIONES GRARIAS
Use Use ofof graftinggrafting in in otherother countriescountries
•• GreeceGreece•• MelonMelon andand cucumbercucumber
•• IsraelIsrael•• MelonMelon ((MonosporascusMonosporascus andand Meloidogyne)andMeloidogyne)and
watermelonwatermelon•• JordanJordan. .
•• GraftingGrafting waswas introducedintroduced by “MB Phase Out Project”by “MB Phase Out Project”•• MelonMelon (10 Ha) (10 Ha) andand watermelonwatermelon (40 Ha) (40 Ha) andand cucumbercucumber..
•• MoroccoMorocco•• MelonMelon andand watermelonwatermelon
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CostCost ofof graftedgrafted plantsplants((seedlessseedless fruitfruit))
•• CostCost ofof graftedgrafted plantsplants•• 2000 2000 plantsplants/Ha x 0.51 E//Ha x 0.51 E/plpl = 1020 E/Ha= 1020 E/Ha•• 1000 1000 plantsplants/Ha x 0.33 E//Ha x 0.33 E/plpl = 330 “ = 330 “ •• TOTAL 1350 E/HaTOTAL 1350 E/Ha
•• CostCost ofof ungraftedungrafted plantsplants•• 3000 3000 plantsplants/Ha x 0.21 E//Ha x 0.21 E/plpl = 630 E/Ha= 630 E/Ha•• 1500 1500 plantsplants/Ha x 0.05 E//Ha x 0.05 E/plpl = 75 “= 75 “•• TOTAL 705 E/haTOTAL 705 E/ha
•• DifferenceDifference betweenbetween graftedgrafted andand ungraftedungraftedplantsplants 645 E/Ha645 E/Ha
•• CostCost ofof MB MB disinfectiondisinfection 6000 E/Ha 6000 E/Ha
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ConditionsConditions underunder whichwhich graftinggraftingmelonmelon isis ofof interestinterest
•• OntoOnto hybridhybrid cucurbitcucurbit ((onlyonlycompatible compatible varietiesvarieties) ) •• SoilSoil withwith FusariumFusarium wiltwilt, ,
MonosporascusMonosporascus oror MNSVMNSV
•• OntoOnto melonmelon ((varietiesvarieties notnotresistantsresistants))•• SoilSoil withwith FusariumFusarium wiltwilt
•• In case In case ofof infectioninfection by by nematodesnematodes, combine , combine graftinggrafting withwithnematicidesnematicides, , solarizationsolarizationoror biofumigationbiofumigation
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I V I ANSTITUTO ALENCIANO DE NVESTIGACIONES GRARIAS
ConditionsConditions underunder whichwhich graftinggraftingcucumbercucumber isis ofof interestinterest
•• In In intensiveintensive farmingfarming•• SoilSoil infectedinfected withwith FusariumFusarium
wiltwilt oror PhomopsisPhomopsissclerotioidessclerotioides, , graftgraft ontoontoCucurbitaCucurbita ficifoliaficifolia ororC.maximaC.maxima x x C.moschataC.moschata..
•• IfIf therethere are are nematodesnematodes, , combine combine graftinggrafting withwith otherothertechniquestechniques. .
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ConditionsConditions underunder whichwhich graftinggraftingwatermelonwatermelon isis ofof interestinterest
•• GraftingGrafting isis allwaysallways interestinginteresting, , specialyspecialy in in soilssoils withwith•• FusariumFusarium oxysporumoxysporum niveumniveum•• MonosporascusMonosporascus cannonballuscannonballus•• VerticilliumVerticillium dahliaedahliae•• MelonMelon NecroticNecrotic Spot VirusSpot Virus
•• In case In case ofof nematodenematode infectioninfection, , combine combine graftinggrafting withwith otherotherpractises practises oror utilizeutilize resistantresistantrootstocksrootstocks ((ifif possiblepossible))
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I V I ANSTITUTO ALENCIANO DE NVESTIGACIONES GRARIAS
AcnowledgmentsAcnowledgments
•• TheThe authorauthor thanksthanks thethe specialspecialcollaborationcollaboration ofof
•• MrMr AlAl--ZubiZubi, M.F. (, M.F. (JordanJordan))•• MrMr AmadioAmadio, A. (, A. (ItalyItaly))•• MrMr BesriBesri, M (, M (MoroccoMorocco))•• MrsMrs ErardErard, P , P andand MrMr FritschFritsch, J. (, J. (FranceFrance))•• MrMr Hoyos, P. (Hoyos, P. (SpainSpain) )
forfor theirtheir valuable valuable helphelp