Transplant root growth in relation to age, handling, and production system in tomato and pepper

192 Pages·1991·2 MB·English

by  Leskovar, Daniel Ivan

TRANSAPNLDANPTRODBUOOCTTIGORNOWSTYHSTEIMNRIENLATTOIMOANTOTAONDAGEP,EPPHEANRDLING,
By
DANIELIVANLESKOVAR
OPATHDEISSUOENFRITTVHAETREISOIRNTEDYQOUPCIROTFREOESRMEFENLONTOFTERSDIPDHATFIOOLRIOTNSHTOEHPPEAHRGYTDRIEAAGDLRUEAETFEUOLFFSICLHLOMOELNT
UNIVERSITYOFFLORIDA
1MV3KHYOFFLORIDAUI(l»!tS
ACKNOWLEDGEMENTS
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CHAPTER
CLBHIIATOPEGTRREAARTPUHRI7ECASULCMIMTSEAKDREYTCH.....
?VLorid”Yn"Partial^Fu
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imii
Containerized45-day-oldtomatotransplantsthatwere
pnuelglaetdi,vepaschkoeodt,anadndrosottoregdrowatth5chanadnge1s5°cComfpoarre8ddatyoshad
ttsrrtaaonnrssappgellaannattnssdwkeeexrptetra-siltnaorrSgepedeedafltriuni2gt0/p2trr8ao’ydCsu.cftoiroWnh3endwaeyr3se5,-ndegargyoa-wtotilhvdelpduuylrliendg
affectedcomparedwithtransplantskeptintrays.Plant
gsprroiwntgh,wawshilseimi5l-awreekf-orold4-,tra5-n,splaanndts6-wheaedk-tohledmopsltantlsargienthe
5f-rwueiteky-ioelldd.tranIsnpltahnetsf.all,yieldsweresimilaramong2-to
wAnihBnoeAhrinmba10ilAa'tbp4isppocleMniip,sepcideacrmuotsroaseecedietddhealeviit(ndrArgeoBaAnon)ttdseiivndieegnenlptomsrpeeelmdeseeidsanuleftmid-,.nwggeseairnAgmdpghiprtnlor-aiweitendniducoucrnneoe,ddnaetsroeriomcolpteaaivgreresod,wth
rfrautihteryitehladns,althoewrenvaetre,wawteerreinugn.affeRcotoetd.growtha
rlm1o8oeo%rntegtodhfuFinosittrthfhreoapiernbpmtpuoSettPrri2aosolo,ntplrwoagSaonrPsttolswtmgtarhprserasainttohseraapslnltlatdoonictirnaspetlcaehtnthdate-distneouggepr.dpteaeeapdrtrTeorpr0oal-tna1b.sn0aptslsacalmSnpwtahsrstioociiohlahtladha
chanlgeedcoordinationofgrowth
tprraondsupcltainotns.andThgereattrearnspflraunittssienxkhibtihtaendsemeodreedfprluaintts.
.
CHAPTER
INTRODUCTION
mvtomTtt(AotaS(i2iofaerruHrHfthnsnn7rrmaaleaoaed,esipnncycnts1F16aoehssdhsihu9n,0lbirumepppsca8u50olnalucllltTuhr8m4reit-tkaaia,osv-0bhiT,fuhbecnnnmie1eadoo,rorstttans9rMamirer,iasetgt8taimsnanndo19ewdtts,,endgg9eadohir1od.8rsco9lrtetc8wpolrp9flehphfa(aeaCwo0olaaerreLn)sot)nwpurDroea1votesgsei.m1smvcblsrp.-ri0eeoofbelmnea9egnspaetasaDirc,sMettreatntngixet5ttePmrretrdrr-0adades,ireemess0obbpvimsdesaceelllpa4cpsitnt1iteelihe2elooso9ha-nddaas.runr7elonoslriih7ect7aeudrseynne8rae)((srss,eggdonCsFieaehde.ptaonclstsewimseifp7oueahnetsi.sirlf1Tveaguattn2iite9roryntsbhdh8dchn8eraiclooeaueF8tsnnaertidnrmlo-uhseahgnxseAfo1m-tpsiethbgr9oma(lncrmerytrit8HtaMnsaaetudehidha9air,npnimlsrdcyaellktemetuuofisuleoeeaillur.rmlwftvtdenhcti)goetioeadoipehmcuttgv6Lrfp,glitr.ahe5ehllhtlnc-apl7tga)yaphuosloa1aernleolnsel9btvMrftasrlate7yalaaeftsnopra4edrnaebsdrtwr)iltimkrolte,ia.eonthnslmeeosnrsweryglvudsgeeralaatavecniyelrospasrfczsnusru.loreeee.tupo,dem
andcanachieveearliercropsthandirect-seededplants
oe(fsHteaaabvlpeiarsrhtaminecdnutlB,arrunoensry,stthee1m92p7ed;erpfeoLnridmpsatnacyoenettofhaelt.he,econp1ol9ma82in)ct.safotfTehreplacnhtoice
establishment,andonthevalueofthesubsequentyield.
atnrdansglrooPcwlatathnetofpwraotadenurcatdainevdqiutanyutterdiereponeotntsd,ssysostneermvt.eheasrRaopositidsnkdaebavsneodlrobsptmoaernndatge
forcarbohydrates,synthesizehormonesandorganic
cppeptrolleimomaarsbopnnysrtottcuyuieomncsnasbdlpisiseecso(,;cmEiaoisesasraasusinn,,gddailansnsr1(;odouc9)o6p5tpai(;olasb)rldmtovaaZceslolansltbaettohtleicece,dtaoritnpaoesllt1udiao9ssn8rtt6otb)sooar.tso(saooM(lftai)salIlrn1reta0iorarso-t,pitio2rss0nmoiga1%on9ta8tgorof6feir)ssoofimrrt.nohagmenrtadhIdemnnfiaorpctmenoluop-meprsr,eetotrohstoe,f
lowerregionofthehypocotyl(stoffellaetal.,1988b;
Rootorientationandrootbranchingpatternsare
affectedbythephysicalandchemicalcharacteristicsofthe
soilorothermediuminwhichtherootsaregrowing
s(uFcehldmaasn,dep1l98e4t)io.nosftrweastseers,oroxiyggienna,tinogrniuntrtiheentrso,otorzone,
mechanicalimpedance,aredirectlysensedbytheshoots.
Thisaffectsdrymatterpartitioningbetweenrootsand
shoots,andhencetheproductivityo£theplant(Brouwerand
betweeBnroruowoetran(d196s3h)ootdesascrianbedinttheerrefluantcetdiongraolwtehq,uiliinbrwihiucmh
significantchangesintherateofshootgrowthare
transmittedtotherootstherebyaffectingtherateofroot
growth;likewise,changes eofrootgrowthaffect
(1927)describedthe
coordinationofgrowthaassthecloserelationshipbetweenthe
roots.Linearrelationshipsusually
:dsurainndgrotohtestrdaunrsiintgiovnegettoatrievperodgurcowttiho;n
astherelationshipbetw.eenRus'sseolulrce(s1'977()thceonpshiodteorseydnthgersoiwztihng
leavesandabsorbingroots)and'sinks'(thegrowing
rsheoloattioanndshirpootisgrcoowmtpha.rabletoaclosecoordinationbetween
Yieldsaremainlydeterminedbyearlygrowthevents
cruev(oesneTnltdghtaaeeoatbrtmliisaainottssenaihrsenveihtdedzi,epaphlhdo.amowsaft,eird.natr1tnhy9aso8i2psmIn)leaneatv.dntec,tehsTsrahtneiorgrgpaeenaafmsdtrooitrwdodieiinit,ftsriiheoecnoidtnift-rnsugteiieahsterprdlaoieyytumditgpegeholprrorldonutawstantanthrtatserh,eetcmhoiaannnigdmeastlh.eof