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ID:48806283
大小:81.50 KB
页数:46页
时间:2020-01-27
《果树的整枝修剪英文.ppt》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、PruningTermspruning-removalofpartsofthetoporrootsystemsofplantsfruitspur-stubby,fruitbearingtwigTermstranslocation-movementofwaterandsolublemineralsfromonepartoftheplanttoanotherTermsinhibit-prohibitorslowactionhormones-chemicalcompoundsproducedbyplant.Regulateplantfuncti
2、onsTermstwig-verysmallbranchofatreecane-stemofvariousfruits.Ex:raspberryTermsshoot-smalloutgrowthonabushFactsgenerallyhasnospecificseasoncontinuousprocessservesapurposefortheplantFactsenhancesornamentalvaluegenerallyprunewithnaturalformoftheplant,notagainstitPurposesremov
3、ediseased,dead,ordamagedlimbsrestrictorpromotegrowthdevelopcertainformsofgrowthMethodsofpruningrootshootorstemStempruningreducesamountofgrowthinfluencesvegetativereproductivebalanceoftheplantreducesplantsize,yield,andtotalamountofgrowthStempruningIncreasessupplyofessentia
4、lelementstothepointsofgrowththatremainStempruningpromotesthemakingofcellsandtheutilizationofcarbohydratesstimulatesvegetativephase,retardsreproductivephaseRootpruningaffectstotalamountofgrowthmadereducesamountofavailableessentialelements-causesdwarfingRootpruninginfluence
5、svegetativereproductivebalanceofplantpromotesrootgrowthRootpruningfavorsreproduction,retardsvegetativephaseusedtoprepareplantsfortransplantingTopPruningheadingbackthinningoutHeadingbackterminal-topportionisremovedstimulatesdevelopmentofmorepointsofgrowthHeadingbackinduces
6、compact,dense,orbranchedtypeofgrowthremoveshormonesthatinhibitbranchingThinningoutentiretwig,cane,orshootisremoveddoesnotpreventdevelopmentoflateralbudsinducesopentypeofgrowthGeneralrulesusecorrecttoolsforthejobprunebacktoexistingbudortoasidebranchneverleaveastub!!!!!!!!!
7、!Generalrulescutlargerlimbsinthreestepsdrawtheillustrationontheboardsillyteacher!:)GeneralRulespruninginsummerresultsingreaterdwarfingthanpruninginlatewintermonthsGeneralRulesbuyandplanttreesandshrubsthathavethecharacteristicsandshapethatyouwantPruningtoolsthumbandforefin
8、gerpinchoffshootspinchoffunwantedbuds,longstems,andfruitspurssnapofffadedbloomsorseedpodsEdgerse
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