Show F CLEAN TREES TO ELIMINATE CULL APLES Chief Loss Comes Through Prevalence of Codling lIo Moth l in Orchards nY In r. r n. n F. F n. n I FJ Field f. f University of at Idaho I Extension Tho The past pst year ear has seen acca a considerable considerable consider consider- o- o able revolution in tho the attitude df r Idaho growers toward tho the industry Some Somo of or our kept their faith In the business during the tho unprofitable un un- profitable seasons of tIm the past fow few years cars They also J kept their orchards s I j Iclean i clean cloan It I is pain painfully Culy evident however how Itow- ever that the rank ranJ and file of or the orchards orchards ards In the tho state an and this Is also probably probably abl ably truo true over O tho the country at large have hao been more or less neglected during dur ur In ing irig the tho unprofitable years Tim Tho ho result of this was el evidenced in tho the unusually large proportion of or cull fruit that was produced this year car How to avoid a l. l repetition of at this years year's losses Is a a. alive live 1 question Just now among all al growers growers grow grow- ers era of or fruit amolS Tho The cau cause o of or the loss this past season season season sea sea- son was Wa largely tho the work of tho Ito coddling cod cod- dung moth or San Joso Jose scale calc or both Most lost growers aro arc familiar with wll tho details of or the control remedies for I both ot tn of t these pests t although I g accepted c. c v. v oVIt Vt II VII 0 lL not given i cn the desired immunity The I writer wrier has come to the conclusion that If I tho work of control for or tho the coming comins I year is to be more effective a a. general cleaning up Is first necessary as a preliminary to tho the spray methods method Pruning I Many orchards orchards yes yes all al orchards should bo be pruned more or less severely this winter Those that havo o not been neglected an and have havo ha had their wood wool I growth guided from to wilt will year car year 11 1 need but little The neglected orchard will wi need a n great grent deal of Ir thinning ou out out I cutting back and cleaning up of or trunk and limbs Until this is accomplished thorough spraying cannot be done and unless cr very thorough intelligent spray spray- spraying ing for San 1 Joso Jose s scalo is Js practiced tho work worl done one Is practically wasted wastell No Xo o no now new methods metho s nor materials for tor spraying for tor tho the scale scalo ha have havo been dis dia- i covered eo Lime sulphur and the tho soluble soluble sol sol- uble or miscible oils oUa are arc still tan standard standard stand stand- ard and one or tho the other must be re relied relied re- re lied led upon to do 10 the tho work rho Tho great numbers or of codling moths this year car Indicate that a a. determined fight is-h is will wJ need to bo ho mado made If It this pest post Is to bo be hold holl In check the coming season The larvae aro now hibernating lag ing in great numbers under the old bark of ot trunk and limbs in old ap ap- ap plo boxes and in other rubbish W here here here- ever wormy apples are arc being beIng stored thero there are aro myriads myrla s of ot the tho insects Cellars Cellars Cel Cel- lars an and storage houses arc are fruitful sources of or infection for this pest These places should be cleaned and fumigated ear early in the spring sprin before tho the moths have havo become adults and flown 0 back to the orchards orchards Ie Destroy the the- Moth An looking innocent old b box or barrel barel ma may and ami frequently is the means of at carrying the codling moth to new sources of or infection With Wih the tho greatest care however howe there will wil bo need for Lot thorough spraying spraying- of or the tho trees treos following the blossom period wRit with wih tho tile arsenical spra spray Again thoroughness thoroughness thoroughness thor thor- is tho the keynote to success Good Goe materials good tools and good s work are arc necessary sar With lh all al this thero there Is yet another factor without which the best of work will wil bo ho practically unavailing una aing This is neighborhood co co Unfortunately the no longer lons-er lives unto himself A A. nearby neglected orchard will wil thwart the tho most conscientious conscientious tous efforts cHarts an and render a seasons season's work of at but Itta use Wo TO have e a law that prohibits the sale of at worm wormy or 01 scale Infected fruit This law was enacted not to punish the tho grower rower of or cull cul fruit but to induce him to grow only good fruit fruit Wo Yo also have havo a law law that provides for the pro cleaning up or destruction of or infested orchards It I certainly is to the interest of or all al fruit growers to have havo these theo provisions en en- en forced 0 reed With thorough h work worl and operation co-operation all along tho the line lne wo we can avoid a repetition repe repe- of or this past seasons season's losses from cull fruits |