.1(1,1 IS, I'.dii. 



The Florists' Review 



13 







View in the Lecture Hall at the National Sweet Pea Show, Boston. 



laiiit'il. ( iilfui'cs iii;i(l(> from tliis sick 

 >"il iirodiiccHl tlir saiiic I'uiiyi as those 

 )'i;in<l on tlic diseased I'oots and stems. 

 iiiir exi)eiinK'nts are as yet incomjilete, 

 liii tile results obtained so far point 

 li tile fact tiiat these fnn<;i in tlie 

 M'll ;iir the cause of tiiis soil sicivuess. 

 Till' deliris found in this sick soil also 

 t'.elily yi(dded a pure culture of the 

 > h;rotinia liheitinia, of which 1 have 

 JM-i s|i(d\en. All these f unyous d is(\ases 

 jiist descrilied can also, at ;inv time 

 ,iiid under certain (dimatie condit ion-^. 

 a't.ick the sweet ] cas yrown outdoor>. 



Another Grower's Troubles. 



" oni|ilaiiits of another yrower of 

 swi'et peas uihler j;lass reaciuMJ u^. The 

 t'lllovvino ari' his own worils, whiidi 

 s|'eal\ for thems(d\'es: '"I ^I'ow sweet 

 I'i'.-i-. under uhiss for i-ut llowcrs ami 

 liiivc iieeu seri(Uisly trouldeil with a 

 'li'-ease that spots <U' mottles the loliaiif 

 "itii a ycdiow r(dor. disti^iurinu the 

 I'llui^^c and thtwers, and when it lie 

 '■"inev pronoun<-ed a disease(| ]danr 

 iii'Ner reco\-ers. lUdli the we;ik winlei' 

 hl.Miiiiiiiu- Jill, I til,, stronger yrandillora 

 "I Sp(>niM'r t\|)e are suli.iect alike to 

 II oiitcloors. as W(dl as under i^la^s, \\'i' 

 I 'low noihiiij;' of this troiilde, c\ei\ 

 -'■"\ver wo Iia\i' sp(d\eii to ha\iii;i a 

 'l''fi'reiit theory. Some |ielie\i' thai 

 '•'' piiiuture of yreeii lly in- aphis i- 

 '''■■ <-aii>e. ()ur oliserv a t ioii> le(l us to 

 '■■'li'Xi' that the use ot' i:ieen manure 

 ' I esponsihle. \\\\ lijiht you tan turn 

 ' ' this troiil>l( will he greatly wed 

 '■"Uied. Karly in ihe spring of llMl it 

 ^'•'iiti'd ill t h<' jireenlioiises and sprea<l 

 'M'i'll>. destroyinii fully one-third of 

 "'I' crop. Last fall it showed u|> ayain. 

 Ui (■;ir(d'iilly piillecl out all iilants show 

 - it and Liradually it di^.appcared. .\s 

 '■ wiather hecame hot thi^ spriri". 

 !i'li of it was noti<-e(|. hut it was too 

 ''■ to do miith harm."" Thi-- idose-^ 

 '■ "piotation. 



As this same spottin;^ or mottled di-^ 

 '•e is also a serious troiilile of outdoor 

 ^'■et peas, we shall discuss it later 

 'ider the heading; of c|i-easi's ot' the 



^Veet pen out of doors. 



Parasitic Insects. 



iJefore takiiiu n|i these ^lix'a^o, it 

 Would not lie (Hit of jdace to iiieiit ion 

 the insects whiidi ;ii'e jiarasitic on tiie 

 -'Weet ]iea, tliou;.;li this eniild constitute 

 an addicss liy its(df. 



.\inoii;i the Idtiiij^' insects we lia\e 

 the corn root woim lioetle. I )i;ihrot ica 

 loii^ icoi'ii is, so called hecaiisi' the lar\'a 

 often in.juics tin' corn crop in the 

 south. The lieetle i-> izreenish yellow, 

 with six 1 lack >piit> on its hack. It 

 resemhlcs the ciiciim her Ntriped l;eetle. 

 ."viiother hitin<: iii~;ect is the >tripi'd 

 potato heetle, l''.|iicaut;i \ittata. Tlie 

 cutworm, when piesciit, ot't«'n cau--c^ 

 i^reat annoyance, sejiuct ime^ <h•^troyill^ 

 the entire crop. The wiie\\<irm a Ko i< 

 to he dreaded, especially \\ lu'ii ^wcet 

 |ieas .are jilanted in a -oil \\hi(di wa- 

 pre\iou>ly in ^od. 



Ainolli: the -.lodxilii: iii-ect- we ha\c 

 the red spider. Tet i;i iiyidius telariii-. 

 whiidi is esiiecialU l idiihh'some to pi'a-~ 

 under "lass. I'inally. the ;^rei'ii a|ilii-. 

 wlii(di is also (piitc t iiMihjcvonie. i< more 

 to he t'eared in di\ wi-ather. So inmdi 

 for the insects. I liave mentioned them 

 not only for the harm the\ iiilli<t hy 

 tliemstd\e'<. hut. a> you will -non sec. 

 t'or the iin|iortaut loh' t lie\ play i n 

 -pie.adiny' ahout the I'unuon- di-c:i>c- 

 o|' t he --W cet pea. 



Diseases Outdoors. 



As to the l'uil;^oiis (lisease-. it -eeili'~ 

 tliat scmie errolieoii> heliet' \v,\< ci('|i| 

 into the minds ot' some grower- and 

 e\eii into those (d' some of <iur -^weet 

 pe.a specialists; nanudy, that the sweet 

 pea is ;i plant unusually free t'roin dis- 

 eases, that the diseases, it' ever jiresetit, 

 are induce(l hy dry \veatlier or e\ces>i\e 

 I'eeilin;.', ami that when the plants are 

 LirowiiiL: natiir.ally they are practically 

 iiiimiine from the attatd<s ot' ,aii\ dis- 

 eases. We do not mean to deny tliat 

 hioh fe('ilin(^ may |iredis[ios<> the plants 

 to diseases, thouyli this has to h(> (V\ 

 ]ierinient ally juoved hetdre wi- can iic 

 cejd tlu' statement as \ali<l. We he 

 lie\e that orowiilL; sweet peas under 



natural c(uidilions will not niidcr them 

 immiiiie from diseases ol' any -^cut. In 

 t.act. oin own expcMiimaital plantation 

 ot' sweet peas, wliich we ha\e at tile 

 |)<dawai'e Aoricnit ui'a I fixpcriment Sta- 

 tion, i- .as t'ree t'lmii exco — ^i\e 1' lill^' 



a- one couhl ;i>l\ t'or. Tlie -oil is ordi- 

 ii.aiv idas' loam. Ii 1 oii' iwn ye;ir- a<^0 

 a cid,. mI' hay and last year a crop of 

 potatoes. The potatoev In-i \ear re- 

 ceived :i regular potato I'eriili/er and 

 flii> year no iii.aiiiire ol' any kind w.as 



applied. The -Weel |iea- ale. ot' coiir-e. 

 i;i\eli Ilie liece--.;i |\ e 1 1 1 1 : V a t ioli and no 

 IIKOe. Net. ill -pite o I' tlli-, tliev ale 

 -ulleiiii'^ Iriun two ot' ihe woist <li-;- 

 e.-l-e-. ot' which | ;ilil alioilt to -pe;ik 

 pieseiil I \ . 



The Mottled or Mosaic Disease. 



I !ia \ e a 1 read \ mentioned to ymi t he 

 -potted ol inciti|e(i di-e.a-e ot' -weet 

 pea- iiiidi r ula--. Tlii- i- a new di-ease 

 to thi- enlililrv and it i- an exceed i ii ul\' 

 daiieeldll- one. Thi- dl-ea-e ill it- at- 

 tack- i- llcil |e-t rirtl'.l 1(1 :^ li'eldlMll-e 



iiiiid it ion- alone, hut it i- al-o a -eiious 

 di>e;i-e lit -weet pea- outdoor-. for 

 the -;ike (it ci oi \ en i eiue we will cill 

 this the nio-.aic dl-ea-e. It l- |e;|(|ily 

 (li'^t i nLiUi'<lle(| hy a veilow dottilii: 111- 



moftliiiL: ot' the lent', pie-eiitin^ in -ome 

 iii-t;iiice- a lieaiil it'll i iiio-aic -tincture; 

 hence it- name. Art'ecteij lea\e- -eem 

 to I i neer t'or a lime, hut t lie\ e\ eiit na II \ 

 lo-e all the 'di loroph \ I ami -ooii ■! rup 



olV. 



A heller -vniplom nl' thi- di-ia-e i- 

 a cUllino ol' the lea\e> ;il the tips, 

 milch I'e-emhlin^ the ciirhiii; of leaves 

 iiidllceij hy the eieeii aplli-, hut with 

 this ca-e tlie aphi- ha- no ;is-ociat ion. 

 The (li-ea-^e make- its a|ipearance alter 



the - lline- ;i re t'loni three t(i tour 



we(d\- old. Ml'ten the i|i-ea-e i- -o had 

 and the ciii-JiiiL: -o pronoiinceil that the 

 plaiit-^ thii- ,alfecte(| cannot iiiiike .any 

 I headway and remain dwarfed. An at- 

 ; tempt IS made amoii^ these curled parts 

 ! to judduci' a tew Mowers, hut the latter 

 ! are home on extreimdx' short pedumdos 

 ! a-- (■onip;irei| with the loiio pt>di'ncles of 

 I healtliN plant- of the same \iiriidy. 



