5.(1)TrellistypeType1-FourArmKniffinItisaquadrilateralca nesystemwithtwocanesonthetopwireandtwocanesonamid-w ire.Type2-TheUmbrellaKniffinItisimplementedbytyingthet runktothebottomwireanddevelopingtherenewalspurzoneatt hesecondwireorjustbelowthetopwire.Eitherabilateralcan esystemoraquadrilateralcanesystemisimplemented.Thecanes startinthespurrenewalzonebythesecondwire,andthenare drapedoverthetopwireandtieddownatthesecondwire,formin garchesonbothsidesofthetrunk.Type3-TopWireCordonTwoc ordonsarelocatedalongthetopwire.Onecordongoestotherig htofthetrunkandtheothercordongoestotheleftofthetrun k.Thissystemisoftenusedforvinesthathaveadownwardgrowt htendencyType4-VerticalShootPositioningExposedFruitingZon eThetrellisandtrainingsystemthatIrecommendmostoftenis a9-wireVSPsystem(2)VinetrainingthefirstthreeyearsTime:Ye ar1------spring,atplantingYear1--------fall,attheendoft hegrowingseasonYear2--------spring,afterpruningYear2------- -fall,attheendofthegrowingseasonYear3-------spring,after pruningFirstYearManagementThevinecanbeleftunpruned,or prunedtosixtoeightbudsafterplanting.-----strongerthero otGrowTubesorvinesheltersSecond-YearManagementMaximizingv egetativegrowthWeedmanagementandnutritionEnsurestraighttr unksThird-YearManagementThebestcanesareretainedtobethec ordons.Othercanesarecutbacktorenewalspursorcompletelyr emoved.(3)Pruningandcanopymanagementofthematurebearingvi nePurpose---tobalancetheamountofcropproducedtothevine’s capacitytoripenthecropTimeofPruning-----beprunedthroughou tthedormantseasonTypesofPruning--------Canepruning/Spurpr uningCanepruningrequiresthatlong,10-to20-nodefruitingca nesberetainedforfruiting.Spurpruningutilizesshort,2-to -6nodecanes(calledspurs)forfruiting.StepsduringtheGrowing SeasonStep1-ShootThinning(Suckering)Step2-ShootPosition ingStep3-ClusterThinningStep4-LeafRemoval(Pulling)Step 5-ShootHedgingandSkirtingManagementasusualDelaylargecutsuntilspringDouble-pruneCordonandtrunkrenewal |
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