9S£
LILSCLL ¿¿ULU CÍLLCL' (¿LLCL! ¿ ,_%OOI) ' U,LiiGL'
c¡xmL udu-Q' Lira:.: xau^o aaui c^ca (¿,ULU tuouj GULUUU&Í.I.C UUUS..Q ¿ailUGUUL' LUXCUtC ULSCLL ¿¡affiOL CULU UGLL,
XI BLSÍ1L1 C.C^C XUUD' CULO CC udlGL CO-du fiXCU L'HU^L' S¿
.ua.tr
CULO UL:LC¿!U ULÍCLL usau<.afflUi. ¿CLSLU fli¿ sc¡u. a¿.G- uLLC¿k
¿r..:.: QLLCUuac
cart\au u¿;uiu (aucu ICÍUKMJ
C.OI UILLU C¿, XUL' í — C GfiQwQ C¿, X U L É
U' UCCU LC>.OLkl.C- Ce LJdQLuQ CALCL Z.?..r/J LIxjLXiLU L'TQLLU'
CXIUL BC¿,-
L ¿Lí. C¿ UCikC'J DwLiuC CCGUL JCL ¿,ULU i.UQi.U ALtl.
C<.U£U GU,,.XU^i LULACUl. CÜX SCi^UL" 4LLÍ UXUD
I.G cf.cuLU cnu- acá.. £¿,ULU ucnu ULQU'cu¿,<da uuuud' LA¿ u¿,da u£^ü uicia CÍSLCLU
cu: ai¿ aucu fiíd/s. CULL UUQI.QL:ca cd oí <^i.aua CL XUL (a.,<s XUL
<.ua>.u ¿cutu' UQ>.QI:
OwkiD' LGUltl Q.U. OSaUkQ KUtiO
C* SOLUO LUU.¿kO' XOUk G¿,G¿, «Ull «
ULXU • CSCLU.U ¿'LLOLU (r r1 ?' 9)'K^LCLU UíffljJ ¿,Ui.L¿!i.Q CS^ULU
CC¿!SU Ut
L'LLCdl CC¿,
LULL
X' XI.CLCCIUC(UO
BOLU
caaaiL (e) 'ULUL DtLCU
UUGUULU QU4L U
U UUL' — ¿,CLL¿! UtXi ¿,ULU UlCffl CíLU¿!i.D
&LLÜL CfflLLU QlCíauO' OJQiU
GUIU<. ua^uL aactaLULU rctuiu JJQ<.U'UILC ucidau tG^Gí,1 L;ukLd cacuiauxQ
Cí2U,LC £0 nCiGLOLLLU' COULU1 Líi CLCLO , tLLC UCÍLCX
UL¿tC fflCUC ( I ) ' CíXkLL tkQX' U^LCLU UCA (<ULU OJO^L' OLSCIL!)1
u aac<.u ¿ac xau^a cux^a QLuuLa OUULCL CXQUI.QJIA, uui.cdu ULXALUU- aioL ¿el QQ«^.C G.C UGOU.DUtkí ¿¡XUL, L'UdGL LCÍ5U.UQ XU LUGUULUL CU¿LGL
ALCLU CkL¿LU ( f ) ' ¿ULL' ftLLCL CC44' LCÍ-.Q UGAu.0 CGL.C1' AUL^Q
¿ULU KLLCL' U4.X tLLQ.QGUU CL'UGUULU CiUCLL' C¿!nuX¿,>.LU
, i E.
1 -----
d
* ouccdou
uNttour
p0
O <N
«kCJ-ca auqu
UUXLU UCt,QLk «QLCHLU CUXCUQL. I '
tSkD' U.CA ÍZ ^KkE" t,ULU 8 <.OkC'
Í,ULU oí iCitO1 <.ira si ..cita' ¿,ULU g iOLL U¿!LGLU UÍ,ULU
Sí i.Qi.
^ <dcixu c,x, —
CULU g6 <.a>.c'
CCUL.
CQLGL
ccuu
QUUU «Lis'
LCL' ^KXC CQOU
uautnu ¿aNÚ LIUGUUIU UGUCLT 4G.CL' CN1I.UQ Xi.i Cíffi¿«kC CU¿!lGU
— uu
uau¿;du <;auc;LUaxu flvxut awc CÍAÍ'
' ucdi¿;aL!Ki4U'
Luíanuc<,a'
o'aiüDB'o pw ,n?nan 'jo'o nysin ?s naasa n.mn?n nsipn? napisn paTn nsipna
vmn .nano nint» 'O> t>w ^o'j'on nauon .3!?o!70 >noüa nupan ansn ino muf
mn? Vw nnxp moipn aa '3 nxinip .onpn xsaan nx?-••an eran nsoa pía: — o-naxa n?na nns? mp'Don nana
.npann? armn .nana mn? 757 '78*3jaT-'pnB? rnjnm ,n?naa ipatin T370 'nox 71Z> mnap 5nnap nxnn OT ?sa .100% na mon1 mn?? crn' 4"? o j'awin:a? na 40%~a nmns mn?? masnm n?x mn? 'xana nnx73 nasin n wav nsipn inx? .n?nan maxsnn i an nxVip n'77an naxsn nsapai ,100% mn?? o»»' 6 -¡ira? n'naxn
.D'naxa n?nan.1 n?3D3 maaioa 'io'jn mxnn
npannn ova nana mn? ?w o'B'n isoa nyosm .1 n?au.•nopan aun n?na mnnonn ?s
tnib 'sio n'jnn osirx
'rr^jt» mrt nBi,?n
10.28
11.21
21.70
X2.30
X2.50
n^na 03*WKttOTn iriKi?
0.0
0.41
0.62
1.0
1.3
yj3T ^íí'
H1H7H HHIC
9
8
7
6
5
mn1? 'ir
nj?3inn inn
0
i2
3
4
.p = o.os'3 j?nai» ansn nvmx
nana mn? ?ÍT Ta?a a^33isa n?nan mnnonn
pinsn DTIX ;
.nanan mn?n
aiv ,nana rrt "no'3 mxxina'najn ?w mnTOn npann?
a'naxn Q'mtp Taw jarn-pnoi annn iwxa n?na nnaa nasa
\ymn ,nann nint? rnw ^y ''ro'von iouon ny*ip .4!?a>o 'no:a nv>i72n man ntna niNuannti
isp jarpns pr-n? 2m:nn?na npann TTISTV ,nainw pano'Bitn .nana mn? ?w inva onsp ¡at pnD ipnaj — mn? Vwn^pwna'ix Voa nxyina 7B?sn nrrcn mn? TTP }8Tn-!pnsI7
.moananaa' ?aa .ncpan aijn n?naa ipann ?a?D 'ñas ?w mnap 6,nsw :?Dny iina b'xan jarn 'pnsa inxa nyiap Va nnntpnaB'n msv ixwa .msw 24~i msw 6 .myw 4 ,myw 3 ,.(50%"B nmns rrorr mn?) ?snsa x? nmas xna o'nasn,
.n?nan oanrx xipa noTn 'B' nswn mna.3 nanaxia maaioa •no-'jn mxnn
p — -inv 3T naa'a mn?n msw ISOBW Taaw ,sai: nr 10*3»mn? ?ir a'nyta jaropo i» ,n?ix .nnr nprn n?na nnnsnB
ns'pn ITIX? p-rn? o^^soa (m3W 2—1) ñas'? nana.7S7S
nuyto n>t?n' mnt? t?v mau:io nyovyn .5mnnsnna Vraaa orna XTI nona ntin1 mn?ip ,xxa3 IT rmasamon' mn? 'a' ?w maesa nyswn npaa p? ."lepan aun n?nanopan 3"unn?na3 ipann ?s?s 'nax .n?nan ?s 40<%ra nmnsOT 733 .D'n? a'xna ina?ip u'p'nn 'ñas osa? ,anv ^xn? nasnm.o'a'1 9 aV nana mn? '7sa o'xn yin? o'nas nnap nouin
.Dnnasa n?nan naxs npa3 nsipnn ovia.4 na-uxTa maaioa •no'in mxsin
uon
iixa novia mom mn? :mxan m:poan mvais ni.•"lopan aiin n?na mnnsnn? ?'3aa onu x'n nsifiaa nsipn?•iosB'0 o'nnsa orx mV'xn inx? TB wan o'xsain o'naxnaxs — nana mn?? o'swn: an ?iTin i ana ox oí .o'a
.novia mnn nnnsnan n?nann?na o'nnsa — npainn aína nana mnVa inwz; o'nas•••nsa TTPin i aa mVnn mawisa wav msipn DTix.jrnaT
o'?5O nna'sn nx ma-mi nVnsn nx inra mn
nt^no no^y !?y nano nini? t?v rnaü:io nyawn .2
musa nsstt'n nana mn??w ,anpn 'lo'sa xxa3ir paaos o'a' TW nnaosan nsstrnn npia: — nVnan mnnsnn ?s
.100% ?B? n'orr» mn?.o'n? o'xn? navim nopan anan n?naa ipann VB?B 'ñasnin?? masim o'nVn o'xnn -jiña o'nas nyiap nxnn OT ?aansipn nBTum? arnin o'B'n nsoa? ,40%~o nmns mom— 100% mn?a. o'a' 3 mw o'nas :naan .o'a'n nscnnyap3 o'a'n ninrn oina .noma mn?? o'Boi3 o^s' a-? nainnDTa n?nsn mías qoin-i .omaxa n?nan ?w n'??an nssynmasioa 'io'3n mxnn .nanan mnVn 'xsna o'nasn nxnn
.2
2.0-
ova
0 1
Goonpain -ION ranon rnrün >0> ^at7D nyavn .2
ip inw 5y rruw nvniN .nann nin^a.p = 0.05-3 prnin
o'naxn o'3in3 i3ip inin -|iyana^ 733» ,yai: ni io'3»Q'ixp jaT-'pnBa na ,a7ix .n?nan naxsna p — nana mn?a,p las .n?na n?apna — nana mn? ?w (omso o'O') mommns? o'y'Bia a'aiosa'on nn ,nn?na npain n?n ox aipx mxp waT nsipn? :ii»i nxr .npannn inaa o'B' i
357
ruri íibn»(oti? *nayta
— nujna n'on' mn? 'XJT? mssnip .-nana m 'lo'ja.rana mn? 'xin inv imxa QTTO DX oí ,n?nan nx nxsiaopsxn nx O'-IXT npainn inx? nuyia mn? ?«? D'ana7?nn px — o'xjn omx o^irai oxi ,n?nan lan 737
anan n?na ?S7 HDOIJ
•piran ra\ , .6
7D7D '7S3 nTiop'oi oxrain:o3 p-rnn ?» mwsn.IOO%'T 96% ,85% ,75% ,60% tmxsn nvorrn nTnn?3
o'nas ipi3: ]3 i»3 .H7s? D'anan i-iso: D'a11 8 masa.o'Xjn omxa
.2 n?au3 maaioa no^n mxnn
n?na mxuann Vs n'on'n mn?n nyown .2.7873 '73?3 nupan alan
rrtv1? arons
mirsn nsivna
0
0
4
Ii i
'OTWM n^ns ostrx
30
JO. 2
31.05
X I . 85
X2.S5
% jr^rp mnV
60
75
85
96
100
OIBOO.p = O.OST ma nr a'Vta nirw nvniK
85%~a nano irom mn?n7 ,nupan anjn n?na
nnnnn?
mmai nmunsao 7ir npn3i?3 n?nn x'n 'lopsn anin n?nnmn?i mmaa m-noisau pa i»p nsv 7xn57'-px TV na'?px .(3)
,n miasa ,npi33 p'B? .a^sp^as monm rtüsna n'on'1.n n?na mnnonn ?s mon'n mnVn 757
jaf'pisT ^x — rana mn? nwm m iiins? '3 ,xxaan nusia rurn .(4) D'nnx D'ai o'jnns D'pTn? Tira nn ; inva•'Vx'Yjüís PTTID? inix nipis (D^avoT i^a? ia?a rcmto msv)
.o'jinv o'nnxa aa .moana a^p^ion ?S?D miva |3ioa'xin — nasa pinsn 757 n'nwxin mooannn nnx^w ,nainnnnona x'n .in?na nx yi»? D'n'Vxa orx D'B'xna ^73 mn?niWDxn nuon nx nraom .o^iynn D'ania iVn 73 101x3 iacrxjn.iTim ax DJ :-nsn-nxT .o'naxn ?w rmpa npann 733x? — (3H3B73) ansp jat-'p-io? inra nona mn? Viz? D'TX'p733 ,DTIX .'jai aiys inx? .npsinn T'^n i^an nx -a-¡r\'
n?n — (msnaip 4 —.3) maixnai msTin sovn moipnwannn' DX oí ,n?nB ani? piñón ?w in?i3'3 na^on 'n?a
mn? noipn 7W n'üoii nyjs .npaTn? D^^B^BSIX mn?nnonn TI np3tnaiz> nnwDxrr nx 7^73 i?:an — npsinn nsainnsnw .rain mv nrssna ]3U7 ;¡aTn os oxynn in n?na?inn nT3 mpaa ,|3? .o'naia ?D?D ^nax ^ipn? nnra nwpna
.jnnsna nasn ?w mpannnnpain mapsa .romaa nsipn? nona mon11 mn? :-nsn nximnVn 'XMI laiw ox oí n?non ?TP ro'yi arun — n'3'oa
ioT-'pis?-i inv imxa minan
2.0
1.5-
O 1.0c-P
17
I I I2
'»'
rn>nw .njnnn nm» ÍTV non'5 TWV msw -oro nyowi .3.p - 0.05"a prain vían m5OTQ JTUW
rnp
.n
2 3 4 5 6 7
(4o * 7 jrorr jnnb)mnnann TV npainn irot 'a'
.p - o.os "2 proin «ron rnyawn .4
mjw nvniN .nrruon
358
BACTERIAL SCAB OF PEPPER: EFFECT OF RELATIVEHUMIDITY.
S. Diab, Y. Bashan, Y. Okon, Y. Heñís*
Differences in relativa humidity (r.h.) significantly affectedbacterial scab development in pepper piants. High r.h. lorlong periods favored infection. However, this pathogen hadmodest requirements for r.h. When it was exposed to high r.h.(> 85%) for a few hours in one or two days, the pathogenattacked its host. Short periods of unfavorable low r.h. afterestablishment of the pathogen in the tissue temporarily preven-ted disease development but it could continué later on, whenhigh r.h. conditions were provided. Long periods at low r.h.irreversibly damaged the ability of the pathogen to muíatedisease even in high r.h. conditions were provided later on oreven after a massive infection by X. vesicatoria had beenensured.
* Dept. Plant Pathology and Microbiology, Faculty of Agri-culture, The Hebrew Universíty of Jerusalem, P.O.Box 12,Rehovot, Israel.
mn1?1? pviDTi to msraxn Trrwrn mato yyn ir nrnsa •rom»» par noipn nn — vara nnsnn1? izbry miabí .ranonVnan nass nx my»j rrnxa tryan1? ,*a~i to isiro .rrnp»
'TITJ nnsa o-'yptpB px onaír o'mTxa- .•p'sV .nnnonan"?ya moan1? nvo^n n^pirn mo'W jina1? ar —
rmn
^pnon t>m>nt? ppn t>\ 823/026 'on pjyo >T»'^V n'pt>n -joro m ipnn
(BARD) T'mN —;>N-W> 'N^pl
miso:(1980) .' o'in ,.a PIJ „.' wai ,.n o'n' ..' jwa ,.' ppix .1Q'x:na rrjajía nüpan np':n nVna to mwDnm mnonrr
.1199— H96 :'o "m^n" .mw 'xjnai onpiaanTTSis mpana nrs :(i977).»iim..' o'jn ,.' ppix ,.' fira
D'paiJ iy>3 ;(1981) .' pplX ,.T JTP3 ,.11 — 1748 :X"0 "rrron" 7-nopan anin
un .o-'nsx to nr'jxnBpa m'rna -.(1976) .x •np'm .4.692 — 685 :'l IDK'ypn1? mD
.2483 — 2487 :D"j "TTTOn" .nopan np'jn nVna1? rayi Tin'K :(1980).' o'jn ,.' jwa ,.' ppix ,.s |nw .6
Tíaay ^yiTa o'1?» n"?na 'VVina n-'p-rn to.501 — 498 :K"0
,J"0
360