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Show Preventing Apple Scab This fungous disease, "is been dlscussM several times In I ulletlns s t nut by the Illinois experiment station ll Is so destructive de-structive tha bulletin C7 Just Issue, and p,e ired hi t m,e P Clinton la devote t entlr ly to the discussion of the Injurs cnusel bs tho scab, preventive measures methods of infection nnd a larre number of Illustrations showing Ihe dlteuso In different singes of development In suggesting preventive meaaures, Mr Clinton stales that Injury from scab tun be stopped lergcls by proper attention lo spraslng Bordeaux mixture has been found to l the most valuable fungicide The picent tenrtn s Is to use it maele aa fotloT a Copper aulphate f ur pounda lime four pounds, water llfty iiallons The cepper sulphate may bo dlatolved In hot water, the lime slaked In a suitable quantity of water, tho two being mixed together and stralneel Into n barrel containing con-taining the remaining amount of water Much of the success In the use of this fungicide dcienela upon the pro) cr nppll cation and tho time of spraslng The trees shoul'l lie thoroughly sprnv ed Tho first implication shoul I le mule soon after the leives begin lo infold f l lwe,l bs a lecond son after the petals begin to fall aril by a thirl In less than two weeks If the Sanson has been favorable favor-able for the development of scab 1 uicr spraslngs are opt to burn the fnllige und russet thn fruit and so are not very ele slrabl Some writers udvncate Jwo srraslngs before the petals fall the Ilrst with Ihe swelling of Iho buds anl Ihe second after tha leaves havo exrnndeil but before the petals are open Winter spraylnr with a strong solution of cop. per sulphato hns also been found lo re. turd the flrst npicaronce of scab but it is questionable If It Is worth the extra expense and trouble, provllet Ihe Ilrst treatment with bordeaux mixture la m ede promptls anil thoroughls In care tho codling moth la Injurious, psrla green, nt the, rate of one, poun 1 to ?Wi gnllona of Iho bordeaux mixture mas be udcleel for thn second nnd third sprasings Ilesldea, proper attention should he given to pruning us roperls pruned trees afford kreuter protection against quick evaporation of moisture nnd Just so far favor Infection by scab The suno holds true of proper cultivation slnco orchards nflecieei In Ihla r speet offer grenier prot-cllon lo Ihe fallen leaves, which nro tho meins lis which the permanent per-manent singe develops und produce a In fecilon In Ihe spring No careful cxi rime ri-me nt of rukll g together nnd burning nil of the fallen havea from nn crchnrd has been carried on and so nothing dcllnlto can be said of the. iidvuntage of this procedure pro-cedure However In a small plat In nn orchard from which tho Irnvea had been so removed thn first appearance of scab en those treea secmeM to have been retarded re-tarded nnd reduced Such work to be of nny value should be done very thoroughly thorough-ly In the autumn after nil of the leaves huve fultcn. |