Orchard Protection.

Horowhenua Chronicle, 3 August 1910, Page 3

Orchard Protection.

MI'TTITODS 01'' sru.vv i.vg. It has IjccMi .said hy John 1 , . Sfewi'rt. Itorf iciiltin'ist to tlic Pennsylvania State College, wriliiiL'; (kited ."'.lay. lill.O, rhat' the art ot spraying i--. now in a .>inin of iran'liii-. iraiisitiou involves the liivalvinu; away I'roni liorileaux mixt!M-" an , ! ill-' 'ivhole li.sr of copper -prays wln.-li havi> .-■•l'ved as fuiiiii.•i;!c«; lor more (h;m a ((uartrr of a eeiilury. and the suh.si ituh'on of wh;it may Iserome an e(|Ual of xn!p!i!ir sprays. K also involves the iilniui.inmenv. of old lorniulas and l>rii(\'.ss ; -s I'r.r niakiiiv; iln> sulphur -■prays .and tin* suhstiiutiou of more (iiTinite, ceoiioini' , ;)!. ami ie.ss dis-am-e.--:i!)!i' mei!:-o;!s. It is certain thai i lu> coming sprays the ch-ar concsMit rated. liiiie-snJphnV .solution v.ill undouhtcdly <.iccii[)y :\ leadiup; place. In the commercial form, this solution already has a satiVlsctory iii-c-tici(!al record of somo .seven or ei'.;ht years. In Ihe new <-niifenfTate d _ l:ome-pie])arai ion if has an cvcell:'-!il n-corsi. 'nvth as an insecticide and fungicide, iieiii"ii«e:! l).v Cordlcy, n( Station, in l!) 07, a report "j his nielhod of reparition in "Hotter Fr.nt" in April. l.!'l)i). Healisinp; I lie imiJuiL'ince of this work. Stewart in 1!'H8, undertook to determiim l]u> es.iitial features of ihe preparation oi a .-■.'•orahle, lime-sulphur polutioii, and, if pr>ssiMe, to render its use to eiviiardists. The. orisii':»l ,: al:i and rea.sons are «-iv>Mi m liis report for IiHIS-!).

In brief, the ivsiills of this study arc as follows:-- In f.ho making rii :i .Mo-rabh* linii'-siil|)liiii- at ■home wo ui'Ht !iI-.-,-! - V y[ (1,,» iormula riuht. This

:s aceomplislKu! by nsin-j; ,11b <>f rr (!0 .(l iuii|) l:!iii>. coiitainiiiif !)0 p, r (- t Mit to IK> l ); ' r (, '' iif . <■!• more caliimn oxide ■•ma not o\..T :j p-r rent, (wo noiuici.s of .=■-!!f J tli jll*. and ou'e ;>■ ilh'U or :>. liltK' mciv «.i waiter, it all down »o a.s bo have about one Dillon ol (olal p!-,idi|cf at fhf eh .5,.. In some cases this fciinula may well l u . modiiiefl ylii:htly. Fur e .\- " l L" I J ' "- ''' tn( ' li'" , - , !'-i!i.-.' iiiueli below !) -> |= er eeirt. caliiiini i,xi:!e. or if the s-oliilion is to b;. ns-d ;i{ „],,.(,_ ; t may bo desimblt! to iiici-'j.Tse tho !nnounf of lime 10 p, r , V nf.. i| |lls ~n ] c _ ut.Li; the t'orniiilii 1-:>-!.. Mut. anv •ippreeiablo iii<-rease of Huh- j IS ~|'H j-'cHoiKiblc, becaii.--i.' ol' n-sulti.'in i>icr;'a.Si.'S in tho anion i:i (J f s^dinienl , ni fL t> (endiMicv to crv>!all:x ; > in , s ;,, r _ ■<i'l:\ and in the i'ornatioji of onlv the IoWiT riilfids. I'nder most mv('ilionp, therefore, with the iinder.st:ii!(]iiii<r_t,li:U- .«!;-!:{ in the relative linu; eo;:!-'iifs are pernii.-;-;-ablo whv.tw condit iions warrant. The kind .of .sulphur in-ty b.« eit'u r f!.;w..'r. fh)wr«, or "p.)wd;>rt"l lommerc;.' , !. ,, at: lj!ii<!t V,'.n per cunt. pure. T!:e ,; i ; 'd la-r name:! :, p: () !. :) |.fy ~ d.e-iira!,!e. with Hour next.' on ,v----cmint nl chcap-.'i'.-fi ..-i;rl th.« kodi"■'■hat r-e-luced t-judeii.-y t ; a f-.-ru p-1-h't.s in tho proc.ss el mixiii^. The iileiisils i::- c!fd are a cook.'i-. ;i nu>:isnrin<r Siick. siraieci-. and hv;!i'.iniettr. The craikinp; i,. ;l y | ;: , f ] n) ,,, r j ( ]~,,. '~ ■ i!i oivliiiiiry ircn k-fide or boil.r. Willi a _fiiv heat, o:' by iiumms of ■■--■am, in vo-sel-.: of i;i-i or w-.-od. ( Ti!L> nieasiiiipo; <>\-U ; s f-.r use In tl:e volunio of ma!.-! , !::! in I hi. , kittle ai anv time l> v nii::in . ,; i' height. If on- f<: know when the fWir-I vlume is |- ached, and is :k; M c-iiivciiisic-.' ~! i'ddini;- tile riijhf rimoiiuts cf , lV . ,,(, •■''■• .A_ stiek it!:'.-).■ i :'iiini u>, i|.:i and : in i;i ero-s .- •; (ii::i. an ! I !kmi ■'■ ■••uraioly mnrki ;<«_, lm i(- ti;e hei-'l.j, "•■-.■•■hu'd in the- k. !.: i<. l,y ;;, S, ](). I-, et''., o-alloiis of wit.'!.' It is'weli v tojiolcli ihe"i> minis, making (h<? ! ■: i.idits proiiiiin-iit- thni- are iii-.st u.-'i-d. The Hydroim-ter- This is an in-

••■! rinneiit niiu-li like ili.nl: used in f(' : tiiiir acid.s in ('.airy work, but wiili a wider nuiji'e, and 'i\ user! ; !t f (. ( ,(-.,■. minin.i.'; the densiiy of Me concentrate preparation (r> dilution. These instruments are inaile in two sfal-'.«. tlie specific canity : ,nd blm I'auine, h:)th of which may lie placed on the satins instruineiiL. Densities are expressed by the former in decimals and by the latter in decrees. The Iliume is easier to read, but the other is more convenient to use, inasmuch as the required dilutions can bo obtained more directly from : t. The rn.iigo should be from 1.000 to l.:)-2 or \A~> sj> w ;fif gravity scale. (w from 0- to li~) decrees or .'3B def4rees_ Hauiiio. Such instruments are .siinpl<> in use and indispensable in tho accurate dilution of concentrnto .solutio'iis.

The Strainer—Anv ordinary limos'llpliur strniner of *ii-bon.fc 30 .to 10 nirxlip-s to the i-ncih will do. If u.sod for limo-sulpliur only, tinned iron ware wilM>e best lor'Mio screen.- If for use with Borclesni mixture as well brass wire is best.