I ' I

. . . . ' < , c " . .. ,

. .. ., .. . * .. , : !:* , . . .

' BIisNCHRoT ap,) , A g p X i t branch, sent i n f r q MaCrath, Alte.4 bore s Biogdfoot, ?',X;' Cbnmrs) , A spsoinen of I). r&taediF1 on, Dolga c TT.C, Vanterpool) * *

ceiv6d"from'Senlac j Sask,,. *late. i& the. semqn a .

) was prevalent and omw sevhrs,. 8% ,

erate Itnfectiaul wmsefaO.n at Dauphin, ace q f 't&g8b1ight w&s seed od

I , . ' '

. t . " . I

Only two CRSBB were seen i n

..

was also heavy i n 1944 (G,C, ChwnberUn),

develop&nt was aho Specinens A r e r e w near Quebec C$ty at the of %he, ,month, F t o neighbowing or gear@. o&Quxtrad and i n a few o from in fed ion ,

1 '

p$ighC was seen i n m y locali%ies

' RUST (GmoansanPh& ~1wri-v- i ) wad seen on red cedar Ont. and on apples i n Elgin Co, It seems t o be increasing there with tbb .

variet ies suoh as Jonathon and

ma moderate o n & ' the Statdo

I ! , '

PEPaNNIAL CANKEn (

15 bchoa long occurred on branches of mode Island G r e e a at St. Catharines, Ont., i n March, 1945; infection was throueh stubs i n whioh grafts failed fo take In 1944 (G.C. Chamberlain).

- 1

Plpp10

eoted' a ern&& number ,-of

e o s a ~ s'ew i n t h e : of A th;$ m'ture t Eeaa

-oh&) cause,c! considerable id '

I ..,b I + .

1 . I ,

I . . , I 1

PCltilpERY ~ILDE\? ('Podos '

at the Station, Saanichton, B,C?:azeaially t o thb new 'growth';. S p r a y h g y o n e in the wood tissue;

(V. Jones), Mildew orchards It o a t a d . &pi&, H . R. McrLarty)

P,. sp, wfthWight , >

ci tpmi. fn coasba isi.liqIit,Qn ( i i . Jones), 0' c O m r C ! h l d-8

in the northern Okanagan Valley vsheh sprays'were applied (&R, MlcLaAy, R.E. Fitzpatrick). Soab was less'severe tHan at Edmonton,' A l t a , It was

. light. on orabs. at Olds and heavy at Inntefail . G r ) * A tram m e seen on a orab a$ Melf&&, Saak, . (H;W.M.),, A t ' Dauphin, cszcabrs; it wllt8# moderate on kame lgave41 dn a. nurswy a% Oi5bwb Plains, ' A% St, Norbert prilhary infeation ,wea, h w d in, a' comwvial, 6r&&rd tho Owner reported severe damage i n 1943 end 2944 (TlrL, Gordon),

.

., Wehfion'was sli&hts on

- -- ---I

__I- -*- ,

88

, 89.

90. Pear

FOIDERX M X U B W .f i n the Qkanagan Valley, B.

.SCAB! (VantuPb' pvrina) m a bnus<ally:prevalent on ksbqay6d tree6 i n cjoastal B.CI IAfecfion. 'was*bry s l igh t ' bn sprayed t rp i i s at t h e Stat ion, Saaniohton (ti# Jones). Scab wae eerioue*%n bb amall aria in the Oliver d i s t r i c t (RrE. Fi tzpa t r iak , ,M& VuLaxrty). ALlight orop on eight Flemish Beauty i n Linaoln Go., Ont., i h s a l m b s t worthless beoause of scab; fol iage ,infection wae a l s o b a v y ( G ~ C L Ohmberlhin)r Soab was very severe i n unsprayed orobmls i n Kings wd Annapolis G o I $ N*S., but ,on ly a traoe was seen i n well-sprayed arohards (J.F. Hoekey)* A t race 'was 1 8 ~ n pn Flemish Beauty at Charlotfetown, P.E.I. (R& Hurst). *< 1

@trigha) d$,d no sorioue damago R&, Fit spa t r igk) .

I. , I

,

* * I L .

STONX'PIT ( v i r ~ e ) ~ No change in fhe situation observed i n $ t h e Okana$an Yqlley, Be@. ( R A Fi%rp@siclk, H.8. MoLarty). E i g h t t r e e s Qf A n j o u and Flemish Beauty i n a looalized' area oE an o m h a r d ixj GFanfham .!hqhP O&., bore fruit that wCis oommbnfy p i t t ed , malformed t h e condition is thought t o be due t o t he stony p&% virueb but t h i s has not yet beern ver i f ied by Braamissf eorreot thb eondition (DOC. Chamber

v w i e t i e e in t h e Okahagm Valley, L G N , .than Sry,1944; it was definitely l o o a h d on' a t r e e on ~ P X L U S

worthless;

boeon applfogtW?w i n 1945 d9d not

4

BLAOK END (ohuse :udcnbwn) appbrtPad t b bs mare general on a l l

; (R,EI' Pi t rpa t r ibk , H& M d m t y ) 2 . J

1

00%' r a t ) , Qne th- .of I a blook of i e f f e r i n OranthM Wp., bt.,, showed 8ev-e

Root

stunting, poar growth of buckwheat and oats used as a cover crop indicated t h e low level of f e r t i l i t y i n comparison with an adjacent peach omhard. development was poor, and-many roots were partly brown and ended i n buntrhy

The bkobk. had bmn-, oxeese ivdy cul t ivated f o r s p y year$. The

! tufts- ( R d L Wlllison).

WZND DAMAGE'. E%tonsive.. i n j u r y $0 B&rt;ltatt and AM ou oocurmd i s t he more caxgp.w w a d e i n Mayt F o l i @evBt?elyt b a e m t e d wd showed m&rghJ. blaaken- fng, Appllea &so B

s' in. %he N i a - PehFhsula, Ont, a ~ fxyql high

isdm ' i n j u r y { & C. Chaslbsr1ai.n) . . I , I > <

* . ~ . I . . . I ,

. . 1 \ 8,

t I .

* . . CORYNEUM SPOT (C1Bd-b erospdr im ca rpoph l lq ) aaused no ser ious

BACTERIAL BLICHl! ( P s e u m & '.?e'$ri&i).

damage i n the Okanagfan Valley, ,BbG** (H.R. Muhr"f;y, RUE. f i $ & ! t r f a k ) .

Coneiderable t i p . blight oaoumed an Gh&@f a4 GUbsrt Plains , Man? (WIA*F* Hagborg).

1

(Sdle P en w). crauead sevgm d3unage t' Sa + idxkon,, &.€I*; %he patvhogen w a s

, \ - . on one $we Zn a haw oPuh I . . * , ;:

i so l a t ed Srom a twie *(Vu'.. Jonee')l.. , . . *: ( ,

Qprioot 91.

CANElFR . Willison) wao aeaooi- o ,dt ' Lethbiidgo ; Alda., X , i h ata%es tha% t h a t a t taok pabheg; '

p o ~ s bgg&use 6.r i s not wa&on in

The disease S e k s t o be dying out of .tho affsatod t rees i n &!%wgan'Vplley,, B.C.' See P,b,S. 24: 86. :

RING SPOT (v i r tb) . No addi t iona l info&,ons found in tho Okanyan

ated wlth a oak6

I ,

BLACK km (xertio * pahlfaa). (LE, Fi tapa t r iok) a

" I

* . . I . Val loy, BOG. (T.B. L o t t ) . . , 9 ,

CrnRRY

1, 4 spbcged I&S reom'ived f rom '

Vanoouyer grotvth of a clump of p. near Kingsmere, Que. Large' branches and plaintrunks wore a1 Blaok knot waa hoavy

,on vdld chrtxlry in Pri

UA;' SPOT (&jgg&g& w). A bgqtterqd in fec t ion on ldontaor* anay i n Niagara Twp,, Ontr, WQS oausing yellpwing nnd'leaf-fall ' 0% Jurr6' 20; ea r ly i n Ju ly a moderato infoc t ion wall $eon i n eovoral'ofdharde and nurser ies

but dnmage was usual ly Blight. Heavy r a i n of ion o f unspraycd'

oavy infed t ian was 8oqnd"on t h e now

yIj,n t i nco la Co used savere i n f n adjkoent %sprayed block.'

heavy and widosproad i w the ' Niegara Pe at ion*

s .at Aldershot, but, l i t t l e seaeoe l o a f spbt .bbcrame

ofion I aausing aumpleto def p l i - I n t h e Laboratory orchard, St. Cathasines; l i t t l o was s& unW la to

Leaf 8pOt wQ6 n ih ynsprayod . . , . . . , ' I

, . .* . . . a .lr

lpse boing mainly esf chdrrhoe. Blossom infec- &tory orchard, "&.' Catbarfnee

(G.C. Chamborlain).

s l i g h t t o moderate damago on h, B.C. (W. Jones). Q fotv trws: i r ) homo , . . .

om0 awkt cherry o r a h a k s ' n o t previously under observation i n tho Okanngan Valley, B.G. suggostions o f na tura l sproad (T.B. Lott 1 *

LIT.TL,E C!GWY ,(virus). , A. o~$hard~ , at: Woqfyood, S,, G. (CS, Jqnob t $ ~ ~ p p & a s a t o boa kbnsral. at TakNym, . , l l i

Thsro are some I .,.

,

92 'Cherry ! h l f o u r ; krxop and Pr'aarfer, Crawford BQy, Gray Creek, Bo Robeme Tho rapid spread a1 arbs 'was repeated i n tho oxperimontal orchard at ICo.o$enay Bay; 19 t roos woro affectod i n 1944, and i n 1945 a l l 46 bowing t roos i n t h e main part oif" the orohafd ihmcid the ' disoaso (W*R. Foster) , 'Survoys , i n , ool1qborp;tion with. W.R. Fostqr, show t h i s disoaso t o 6 0 s p r e a d i q at a serious r&%:$. north and at l e a s t 1s m?Lles w w t , and has c roaoh tha Croston d i s t r i c t 45 miles plouOho infoctbd i n 2 years o r l a s s (T.B. Lot%)*

b k o ; Kootenay Bay, BonnMgtoh and,

Since 1933 it hals eproad 20 miles od tho main gootunay Lako t o

Orehard s may -' bcs 0 om4 c omplst 01 y , I

RASP LEAF (virus)*

TWISTED LEAF (virus) .

No now infec t ions wor6 h e n in tho Okanagan Valloy, B.C. (TeB. Lott).

Valloy, B.C. (T.B.. Lott) . No now infeot ione wQro seen i n tho Okamgan

I * ' YELLOWS -(virus) , F i f t y per o&t of t rees ' .o'f Pdahfmorency in . an . ,

orchard i n Stamford lfvp. Ont? wero, in;t.s&etj &&ed hoavy defol ia t ior i by June 18. Infootion 1s .goneral i n t hQ dirqt

CRACKING and' SPLITTING (wet woather) . Up t o "758 o f tho f r u i t o f meat chorry va r io t i e s i n LinGoln Co. 'Ont'. .show?d oracking a f t e r t h8 r a ins of Ju ly 14-15.~~~ t h e f r u i t was swelling. Similar but Ipuch loga extensive' i n ju ry ocaurrod on s o u r cherr ies . ,Tho t rouble w w oommoh throughout t h o Niagara Poninsula (G.C. Chamborlain).

Grey Coo Onto reeul ted d'rorn t h e appAi0ati-Q 2 l*b, cyammkd'per t r e e ea r ly i n t h e apring; 'affected, Uavee soorch (G.C. Chauiberlain) '

me& dherr ies was unevenj lpalfbrmed and ntseeted 6 8 . 8 result of l'ow temperatures during bloom; t h e extent of t h s i n j u i y varied i n b'iffemn'k 'parts of t h e Niagqra Pe

(0.. G. Chamberlain)

FERTILIZER BUN; Heavy d e f o l i a t So 7~ypar-a ld Mbnmorency i n

yellow with a' marginal >

RUSSETING ( l o w temperature). Muah of t he f ru i t ' o f 'Early McluPond

a u k , Ont, (0.0. Ch.amber&aPn). ' . . a . , , .. SUN SCAZJ). Severe bark spl iCt ing oaeuered on the eout

of the trunk8 o f 3O$ o f Montmoreqcy i n Grey Coo, Onto (6 .C. &mnberlafn). * * ,

* *

- !

\ &

DZ-WK .(v~Ls~ ) was seen on & few t r e e s i n a home e s t +S. Willison)*,

! * oru$a.rd at Cobble H i l l , B.

. I

. ,

I +

PBACg' "' ' ' ' . . , . . . . ' ,

I . . . . . *. , ; . - SCAB (Sadoeporiuq ' r ~ o n h i l m ) . ' A mode&%e infeot ion was found on

Elber ta oocaakonally i n Niagaf? Twp., Onto It was. veqf prevalent and' 8eriOu6 on St. John and Crawford i n MLddlesex CO., affeo'ting 75% o f the f r u i % (G.C. Chamberlain) .

\ ;

93 * Peach

auW4 s1Ag)l-t jbwlg ,dataage 4r1 * . 'L

I .

# .. * -fin t ~ i Laboratory orchard, St. Cathar ines , Ont., Roch . bkospm '

b l i g h t and ELberta 4-14.$$* Bloesom spray8 gave 8omo reduct ion i n bloeSOm infebt;lon, but Idi'd. dot:'gfve" o m p l o h oantrol. . Bloom s t a r t e d e a r l y , bu t a prolonged coo l , wet s p e l l 8et i n when half t h e bloasorns,werql open$ a8,g I .

r e s u l t t h e bl-oom period waa oxtonded and f a i r l y favourable f o r i n f e c t i o n , and sp rays Mere i twff3qt$V~,unlese r e p e a t o d r ~ ~ . . p ~ g ~ r q feo t ion was v a r i a b l e , but waa i n gene ra l high. Control was mado i c u l t by t h e high incidenue o,f damage by #'tut$.rnoth and o the r insects, Although t h e summer was not e x w s s i v o l y wet, aoneidorable r o t devolopod i n green f r u i t , most ly i n a s s o o i a t i o n with insect punctures. Consequently inoculum was abundant whon t h e . f r u i t r ipened and brown r o t was preva len t .4t ha rves t (R.S. Willison). 3rovm r o t e a s e d much Lose i n canning; poaches brought i n t o P.E.I. (R.R. Hurst).

POWDERY MILDEW ( 6 haa othe Q pnnnoaa) cRused l i t t l o if any soonomio darnago in t h o Obnagan Valloy, Y ELC.. RrEt F i t z w t r i o k , H.R. MoLarty).

UAF C U R L p ( ~ r i n a . &fprrnq&.) .ma pqavaleqt i n rqost. homo gardens in a o a a t a l B.C., where a a n t r o l mecasuseg wgrs nst ap@#,od (Vh Jones).. , 4 .. specimen w a s reaeived from t i k l a s o t W%th djho, s b a t q e n f t h a t the diseasgl :was clerious tho ro f o r t ho f irst t ime (&NO Raoicot). No s e r i o u s ou6breaks were

Severe outblo&a of leal b u r 1 were Been. on Elber'taz in .&inct4n Gola , Ont . ,. ir~ al f o w orohasdls whoro' fho dormant @pray ma appl ied .Lato. -. S p ~ f m ~ n s .of intectod f r u i t of Vidot te 'ar~tl RmhesCor wors roaa.ivod.rin J u l y ; &oaf. i n f e a t i o n had b e m modorato o a r l i o r ( G . C . Chamborlain). Loaf ou r1 was mQn Co have de fo l i a t ed many t rees i n unsprayod orohards i n va r ious d i s t r i c t s (J.E* H o w i t t ) , Hookey).

occurrod i n R block of I$ Qntr Tha grmer applied

t Peper%ed ia t h o bkarragan' W.loy $ L E r F i t z p ~ t r i q k , N&, McLarty)*

Loaf c u r l was sovoro on ,upprayed t r o e s i n Kings C O I , N.S* (J-F.

1 > . 1

r a y s of zino sulphatc--I.ime+ o 'hdvu been, a fgq&

(4.h. Chamhwhln)*. . 1

Pruning baak of t e r m i n a l s is q??qduo$ng.tho i n c i d e n w of t h o disease . * I

)r , . . * , * 8 *. ' < * , * j :> 3 *.) ,. . , . l r 0 " a*

BLOTCH (virus) . Symptoms wero found on ono,.wa4or 8 p & o n , a b o o i l l e , Ont. InoouLation has slhown t h a t s , n o f ~ ~ ~ @ b*@,*aiz5 whothor it is at .the &Laboratory-, .tjt.+ Ccrlshw@wrs;, f o r

Qf Lhrigold i n a n orchard nea r t h o di@aalra is .Cmnamieoible, b

' '::iddn%YoaX c+ith II the$ under. obeos s o r o r a l ymc'e. mo wxioga tkon ~ m g c : up carrq,%ioa;lQ,, ,,alJadsf suggos*ing a tr&s&%$s3.bla bud-sport .v,rdegation**(R& V$$llhor&)*, 8 I & ; . * . .

)r \ . I . . I * : . , i " . I , . , 8 . 1 I o* . '

VJESTEM X DISEASE (v i rus ) .

and.'rb16 ,&re .f@u,nd t o . be :dfaoaasd*. .C ?fh@ m t o . eJ,$gk.t;lg chf,&oSItban, fbt,f.ound i&. a lase ,aJctonBivks- 4uwep d the @r@& in 1940.

I n oo l l abora t ioq with W.R. F o s t e r ,

d iSOQS0 (Lq45$fl fe: OSly,

1 4': P r o v i m a h l .:D&fi Of ' & r i G U a t U r Q j ; ;p,,$yF$JF W&8 a in,3i3va m e t i o n e of t h e . +: 4 Olive@ and QarGipdos dis%Ei@iw,a BcC, 8 I hl W k l i O h 6&;. t W 3 8 W6qO f!x . ,

Compulsory o r a d i t a t i o n hae no t boon adopted but many grower8 are

Peach 7 $, I ,,. . , , ' . I - I ' ' , .

* r .

94

reawing ~ o m e o r all affeatod increase i n t h e amount of tho in 1940 show t h a t 8 ' few ney ififacttons - o O M edqh'"yeat4 Phb effoc$ v a r i e s from t r o e t a t ree$ , .but ganorall,y d i $ p s o d trebg are of Li+t lo vfmluov (T&

couht;b~iok rt'ho small i n the orohards mapped

: c . . ,

I I . , *

L Q t t p FoC 0 Mellor) . ,

Ont 0 newly fnfoated t roor . were .found a0, . .

' xhfeoted.Tree$, , . . I i I ,

; g *

: . I .

X DISGASE (vfrus) . In ' ocohard e r 's*oy i n Niagara. Twp. . f a

1. ;

I - 1 , ' . ,

, *

- . . . :* # , , I . / . '

Troes in mahard , . ' ,Nowlv . ,..' . .

. . . 5

I , I. *

, . a .

1. ,Q*35 0 000 5 1.24

* , 288. 2 80 a 9 . 143 8ao

' '0.0 * . . . , ' - 0

0.12 * * * a , 4 ,

2 (R& Will i ron, G.Ca " . . # .

BORON DEFTCIENDPI Con&de,rrable die baak ocourred. is soma poach . orohards i n thw0kangga;n Valley,* B.C., where boron had mo$, beon applisd wi.thin 3 pars (H&, hdabrty, R.E* Fit,zpatri,ok),.

suff ored 75$ dof aliatriion, f a&lowing *he orqiseion , of 1bq from Itho eino sulphato shtioks aprey. and defolia+ion aantinued $or. a weok '.(Cf.'C, Chambe2Wii)

s SPRAY INJURY* .El.herta,. Rophestax, and Ve-boran i n h u t h Twp. Ontt , Xajury wai . e u $ d p t f h p o ,da,ya 6f$er Che appl iaa t ibn

I <

.. 9

I '

s . 1 -

w . C k " GALL' (&ybaolorium , Fifteen out of 100 trooe

o f Fellenberg pruns recpived Srom a. igooln Go., Ont., bore galls at .fha asoru9n (0,C. ChamborlaSn),r'' . I .

SHOT HOLE @ e m o m , Infoation wae heavy on ,

loaves in a plaslting at St. Jauzo rooord on plum i n Nan, 8 pysvioysly . I , reportad. o n tHo plum x ohorry hybrid,

kcrhexlok). This is the first

Opatq (W,L.. Gordon). , . . ! , :

'24 . B U O K KNOT, (I)ibstryon zorboe&) was soen in mall oroharda throughout On**, and mema t o be,ipse&sing where m a f a . a r a f a l i n g t p out out t h o knots (J*E, Howitt)* (H&N. l i a c r b e ~ t ) ~ enqui r ies @ O u t .the disease were refe'fvod (R.R. Hurst ) r

'5mitii, Beauty apd Maynqrd,. qad, m.od,qrat$~o'n Burbank and Albion a% the Sta t ion , Saaniahtorr,.b' B+C, (W, Joneo),, I S p ~ o h s ~ s 'of' affocebd Toawnhioh', 'Una and Radisson wore recoivsd f rom St, HMbofi Mibio l i , Sask; (L.2. rRiohas?doon)

A spesben was raceivisd from Iungqnors, Que. Paamgo wa8 6ovpre i n ,Quoen6 CO., PeErI0, V d sevora l

SHO'C HOW (&&&ns& prunouh'qg) ' ~ $ 8 'sevoro on S ~ % R Rod&, Bsoky 1 3 , ,* I

* . I (

- 8

i

. i

t

BKOWN ROT ( # c l o r o t ~ & t $ i o o & ) oausod abundant twig and fruit infoet ion and gumnosis on plrla31ursa a% Dropmore, Mon. (P.A.F. Hagborg).

WHITE PINE BLISTER RUST (Sromrt,iyq w) was goneral on red .C. It causod alight damage t o black m a severe on Boekoop G i a n t at

ourrant in a few grsrdenr, at Woe ourrant at Saanichton (1s. Jonoar Godorich, Ont . (0.C. Chmborla daiago t 6 bladk ' Uurhnts frog

o ropeivod of eevoro (JJh H o w W * &.w*od

96.. - _ *: .

Currant ._ I '

black ierurrsnt i~19v~.8 .lmre ' zp , o w r a n t s 'at Ste. 'Anne 'de Be1 Rust mas very heavy on black cur ran ts on t h e Irslgnd o f 'Orleans; it appears t o ' be uncontrbllab of dfgenasd; p i e s , . ! and control

qfept ion, CR., PslLetier)..

experim+en% 8 ha.rt6. b: * . . . I I .

. . 'SIEPTWU Lm.lr, leaves at Droporo, k n . Onto, tsnd aaused 8evere- de (O'C; ChwbarlcLin) . ,;

currant,s frm Goodsoil.,

. * j

* ' * CLUkDR COP RV was reported o a b l a a k ,

. I ' I .' , - I

, I . . % . .

' r u ~ i l l ~ P Z ~ :BLISTJZR RUST< few bushes of Poorm~n a$ Saaniohto

DOWNY MIdV . , few leaves on which the fungus was f r u i t i n g DXacLachlan). FSrst Caaqdian reooy6 of,

damaged young plants at Lockaport, N.S.; i n fec t ion was moderato t o sovore on p lan ts near Metogha i n July (J.F.

. a I * * * , ,. ' I .

POWDERY MILDEW (Sphaorothcaa morwuvae) . Lato infoot ion severely

BLACKEBRRY

ctod 20$ of tho stools o f a ng sorious s tunt ing (G.C.

: I , .

Chamborlaih) .'

I . .. . I. ' , . . * .

I . 1 *

.

CCREY MOULT) @ o t m t i 3 cina o ). Mouldod b o r r i e a twro roreoived from Cornwall, Ont. (H.N. R n c i i e

98, . . , . . Raspberry

.I I PWDE+Y,MIUrn aa very aoxunon and caused markedl8turat4ng of ,%be c Cmpbellf ord, at I) Milde am p l a t i n g ' s ; it is dleo occaaionally Pound -09 Viking,. causing ,,a "rat-tail" growth of cane t i p s

ing bed. of Latham at

. I . * . . _ . . I . . I . . . . *. ,

I .

, * (0.C. Chamberlain). 4 . . , 1 . I WILT (Verhiui l l iun alboTatrwn),. Scattered, in fec t ions were found

i n Vikkng .p&arrCations i n Qn%. ; . ~arusfn$ wik.bing end $e age ,of t h e stems ( 0 ~ 0 ~ qhamberlain). . A Smal l p&%ah cp Uolfvi l ls , NdS. , wtw elyoat wiped out. Fursariurn sp* .

.but yas%icriL- p r e d d p a t e d i n r a o t s and stem bases (J.F. Hockey).

' t o n , Rideap, Ottawao Gatinsau, Trqnti and Madkwaska at tho.@xpe*imental Farm,

o f a small percent- laob raspberr ies at i t e d on the etsms,

* , . .

, I

DECLIm (virus) waa p k e w t ; X n diminirhing sequense, on Washing- I . Agasrsizi, B.C. (We Jonee).

uta., (A.w' Heqry). bert, Yrking and Lathlurr.; i t s oicu'rre'npe' Lq the l a t te r two v a r i e t i e s is unusual (Go.& C h m h r l a l n ) r plant ing and 4 in mothe r at Fredericton, N I B * ,(D;J; MacLeod). .of the. caneis were infected i n a new pla

. * . LEAF', CURL ( & m ) , A plantin'g was modarCatoly affected .at Edmonton,

s&I.; aunoun*a were found i n onto i n p l a t i n g s of Cuth- I

Throo ,wffectod' p'la%ts more s.een'in ono small I

1 - I

I

Ttw per aont iking a t Berwick, N.S.

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I

9 . (JcF. H O , C ~ ~ F ) * , * . . .

. ' , IdOSAIC ,.(viru,8)~ Infs&*ion waa 601, irl Wtam ard lo$ i n Oatineau at the:Experimental .Fam, A&asihe;'B.C., (W. .Jancae)* About 3O$ in feo t ion waa setan i n a p l g n t S k t+$ Lofh.hriQgo,$ A&ta.. . (W*C, Broadfoot). Mo.8aia i 8 rondily found i n On$. i n the oldor' pl'anfihgs d f - LaCbcm.' A , 5-yreatr-old a c r e Viking p&mtation at Cooksville showod 40$ inf+@ctiorr; diemsod p l b t s suffered mprkod s tunt ing and. crop reduntion (G.C. Chamberlain). , A Latham plap$jng at ~ ~ Q ~ V S X L O , N*B.' bowed 2i", infbobion. Infoot ion was 4% i n a Vikkng plant ing at Springhill. Sunbury, Queens, Westmorland, CakleQon, Viatbnia hnd G&OUOo8ter Coo '(D.J. UqcLeod). Bemiok, N.S. ,(J.Fo Hoclcej)+ Tramst o f qosai? w i n P.E.I. (R,R. Hurst).

I

I

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I

Mosaio wa's c m o n on wild raepbrtrry ih York,

Three per cent fnfoct ion occurred i n a mall Viking plant ing at found i n 3 plan ta t ions

I \

99. 1

GRAPE, ' * . .. .. ' . . Soa%$ere&: infoMiiontj: were . sepn ,

becoIlling mopo : eor i~us : . in . a,number .,

('Faesor. ) &aco . ) ~ W ~ o d . ~ l l e #' N.S* (

\ , * ' ..

AN'rWRACNO8El (GXOQ 0 8 D P SpoTraohs were reaeived from u n g Hockey)r Th%s is<-@e ft5tst roport ' UXVOY O f t h i s f q U 8 , Wk&oh $8 boliovodl t o be a Stgge of &ts%noQ mdtrlirq Shear. * * 4 . , 1 . I

1 . ' , o l l i i ) . Spociraons wore reaoivod from

1.. . , . . ! - ,

DOWNY MILDEW (Plasnotmrg v i t i oo lq ) waa modoratcly ' heavy on Conoord i n B viaeyatdf iq'hincrols I 1 Cob ). :Ont., . in July,. causiw, shoaling as a roaul t of podicel infection. It was also aeriwer on adjaooqf Fredon&a,, Dov~ny ui ldoa dostroyod all f r u i t c lu s to r s on 50 vinns of Frodonia i n Brant Co;, (G'C. 'bhmberl@p)?. ,It @ ~ p aowon on unsp gmpoa iri $he Ottawa diartrict , but &a Cuph letas serious than:ln 13 f3.0, Savi&qt) Specimene v?sm mceived .fktkir'Buckihghan and, Mowiok' Station,. Qw. (L.T. Richardson). ,

variok.@e in the Exprixnontal' Faha vjxloyard, SuamerZMdr 8.CI. (Y.R.. Mchrty.).

t i ona l , was soon on Concord and Niagara i n many orcrharda i n tho Niagara Peninsula, Ont

. , I ,

PO~JI)ERY MJD~X (&$

CHLOROSIS, A ch laros ls of unknown c a u ~ 0 ) but agparantly:, nutr i - :

waIc again pr4dint on European, _. . ,

Its ooeurronae- &it qu&to> LlacalL80h and i a g e m r a l l y on high c s .. ground (C.C. 8 . Chmber3Lain)*+ ' ' . . , I . . ' - , . .

. . > # . \

. , ggyg!sRRy *

GFiEY ,bOU.U" (j3otrvt. . ane re%) d s savtaro at Stoinbaub, Man,, f ollwping h i t 9 'vet t i o n of Premier near 'an ~514 plarCtat5op &n Louth TwQ~, Onto, a 10% i n fec t ion occurred. f r u i t from sepals or pedicels (G.C. Chamberlain) *

Rot of green fruif , was c m o n ; infec t ion of ten apread i n t o the

IEAF SCORCH (Dhlocarwn E a r l a ) . Znfeotlon was moderate on Br i t i sh Sovereign and n i l on Marshall, Gen and Hookhill at t h e Experimentdl Farm, Agaasia, B.C. (id. Jones).

LEAF SPOT (M~aOs~haare lk# m a r i a e ) was noderate on Marshall and Gem at t h e Experinental Farm, Agassir, B.C. (W, Jones). Leaf spot was very prevalent on numbered v a r i e t i e s i n a t r ia plant ing at the Laboratory, St. Catharines, Onto (G.C. Chwaberlain). A specinen wae reoeived from Paris- v i l l e , Que. (H.N. Racioot). Dunlap i n Queens CO., P.E.1. (R.R. Hurst).

oospores i d e n t i c a l with those desc:lbed b7C.J. Mtx'kman (The red core r o o t

Infec t ion WRB a t r aoe t o heavy on Senator

RED STEU (phvtoahthora r CIROrl- Hichan) I n Apri l , 1945,

.

loo 0 St rawbe rr y . .

diseaee o f the strawberry oaused by

r o o t s at LndyslafQh, Bradher and Abb doscribed by Hkcknan. is coneiderod n re1ia;blo B Tho disease met38 t o bo di found t o be .causing consid Koatenays, and was found i n one pateh o u t of Island. Mro G.E.V. Olnrks etstlnatcid a . l y i n the. Frtraor Valley (B.R. Foster).

several p lan t ings of Premier i n Linaoln GO., Ont. (G.C. Chamberlain).

Edmonton, Alta. (A.B. ?brwy)

tngs of Prenier fn the Niagarq'Pdhinatita, Ont. lblditstrford d i s t r i c l ; where a n y growers obtained Ithbtr. plarrMnt3 dtobk (G.C. Chmberlain). A plant ing o f Prerder at Carnbri (D. J. WcLeod) .. This cbndition Ec;inga- Co. # . J-4. S;.', .%hm ever be90

worb mostly un'hffsot

Proulier i n Niagara Twg*, Ont*$ the disoaae was nos't s&er(e ili lop0 .&eau; . ' a

affeoted p l an t s made poor growth and lacked runnors (0.C. Chmberlain). Tho dis&mls was seen i n many strawberry plantat ions; a,n unusual f ea tu re was t h a t it often at tacked young plant8 t h a t had.,Jyet beon s e t out (J.E. Hawitt). Infeotfon was about 2$ f Anne do B ~ l l W b ~ , Quo. showred severe inJury in: P) Catsk i l l , i n Yonkand

P o ~ l o l o and H ~ r f o Sc i c 188 89*11&0 0

The dark rod colour o f th'a C~VOIIO~O o f a f fec t ed Footr ; it i s diertinct i n spring, f

and Yiynn&d, . in - ths .. , OF 2Q$ o f the opop,

i;napected on.VwooyWr

POVDERY MILiDEl'i (SDhaerotheoa ;fw?rtlk) Ii@* Itamwe i r i ' * t

, , * j s

7 %

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VITCHES' BROOBd (virus) , a

JUNE YELLOWS (gdnetic b r d a k d k ) -8 frequerfiy 8sen in new ilant-

t6d plhnts we& s m n at I 1 ,

It is hry pmvdrlenf ih *he

N.B. ahowed 95$ yellows . g6norak *hid ' sprfng i n f' P r d e n Gerb af'ferctabL blo, but other varieties

0% i n one* plmting a f

t .

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