الفهرس 
growth regulators effects as preharvest applicationOnly 14 pages are availabe for public view
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Abstract
Tics divided to two pnrts.
:)urine ·c::.c cc~;E’Ol1 o:E 1973, c.Lfsct.s of 2,~~-,5-trichloro-
~he GI cc~, oi 2,4,5-T
of 35
2U 01, 3 5 rJ 1_)
c c)~:lc cntro.-
tions h:1d ’J. sli;)Tc cil6ct in 1”6Chlci
f:ru.i t c1 rop in n ::d!ni1<1X’ tr.s 110 to tho. t o bt ainc c1 :Lrom 2, 4, 5-T
( 2) 2, 4, 5-T tx·c nt:~1E:j_1t c enhanced ap:ric ot fruit
lllatu:ration by 7 to 10 dr:y:3 cccrlicr ti1o.n the: contJ..”Ol for
both seo.sonr:! of 1973 snd 1974 if the spray spplicntions
G VS 1”, if n.pp1icd 15
2 ,4’ , 5 -~·~ comb l’ na~’.l on ~’ rl.o . 1 s fruit ru-- turnti on by 4 c ·- ’ the
25C ppm treatw:
nt lOC p_,Jm trentment
gc;.VE similc-r Gf’i’cct only if appliel at th.s beginning
100 ppm G:i~ treatE1cnt ap~’licd at fruit
applic;-·tion on the s;:~mc branchc s that hD.d rccci ved 100 ppm
GL 20 dc.ys aftGr il’”ttit 2ct, or 250 pp111 Gi~ nt fruit set,
rcdECEC! f:t’’Ll~t cr:_-r_cldng. Otllcr G;. & 2,4,5-’l’ co::1bino..tions
slightl~~ incJ:”ce .. se::cl I1·uit cr.-clcing c:.s compared to control.
ti::m of 25 p;1m 2,4,5-T c:b the bc:;~,iru;_ing o:f lJit burdening
-~:;dr:mm incrs _36 rEsultecl from the ·i;:_cc:::t:.lent of
,-
. v d (6) The stone/pulp :;_~p.tio of 2,4,5-T t.re~1tcd fruits
was 1owsl.., t:1an that of untrccte0 co:L’.t:::·ols. ThE. :i:i:e.ct of
GA trc2tment on stone/pulp ratio fluctu~tcd Getween an inere
nse to n d cere o.s6 o.s comps.re d to tlls control. 0::.’1 thc
othGJ:: {1c·.nd, GA &, 2,4,5-T combination trials caused a reduction
in stone/pulp r.rotio nt all date.s nnd concentr;1tions
used.
peJ_’CE-ltr:.g6 th:~:.n the l.J.ntrc::::..ted control. GL trentnent reo
bvio:;,,s re due ti OJ.1. of ’:e. ,s. S. pe rcc1t .Jg6 ~.’Jas cone oni to.nt to
iruits ··;l1ich spr2scd at the n.gc o:c· 20 d:Jy.CJ ::-:~ftc,0 fru.it set.
io:c c~)ntrol, 25 1.:1] 100 p:nn 2,~-,5-T trec’tccl :fruits. Hor;cver,iJsc:cvccl ·
;_ ,.::..,.· ;o U1lt:t:’G:ltcd
corrcrolc.
(9) 2,4,5-1, GL trcntocnts or t~G coBbinntion of
both grovvt~1. regul,,__~to:..”s, rsd~_:;.cell T.S.S./2cid ro.:tio of
npJ::icot fj~’’--’-j_ts at o.,ll concentrations c.:::-1·:..1 co.ll dnts2 of o.nn-
- .L
lie ”’ti o;~ o
(10) ~ro2 th6 npplicetion point of vien, tre~toent
cr.’ clcin[ rcti o,
ted control.
1973, onturE C~CCTiish yellOW
or 30 ceconds in solutions of
0 , 500 , 1000 or 2000TJpE1 G;.._ etnCI 0 , 1000 , ;1500 or 5000
the(1)
’ --:- . ’ ’;. -~ ’--’ --~ ,. __
~, . ~; .
” . .
r~ :.”lTlll.l.:::!.gE ’.16 rc::
G(”: nc:: :c· nlly ,
tl1c ap•;licetion of 5000 ppn E:I was j:norc cf’:i:ccti Vf-
Such
::L”i:Jc~1cs:J scor·: 0.2 comp~rEc1 to untrec:ttsd fruits.
(2) ~To mz-r jor di:~: r:: renee 8 i::1 stone/pulp rc\ti o or T. s. S./ acid
ratio were observed during storage either hetween fruits
treated by growth regulators or the untreated controls.
(3) , ripeness
score ;_-.,nd E1::i.nin”izccl ’<’Ieight los;: of pcc~:::cd iru:Ltso I.:orcl