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Show SPRAYS FOR APPLE ORCHARD Ideal Combination for Controlling Various Va-rious Pests Has Not Yet Been Put on Market. (By W. J. MOP.SF. ) In srite of the fact that a larce amount of work has been done both In this and In other countries. In study- j Ing the effects of different Insecticides I and fungicides upon the trees them- j selves and their efficiency In control- ling the various Insect and fungous j pests, the ideal spray or combination of sprays for use on apple orchards ! has not yet been discovered. It is j true that with the Introduction of lime-sulphur lime-sulphur some of the previous difT.cul- j ties have been eliminated, but at the j same time there are others of equal ! Importance which have arisen or which have not been overcome. This j Is particularly the case under the c'.i j matlc conditions which exist In the j apple growing regions of the north- I eastern portion of the lulled States, where apple scab frequently appears In In most virulent form. While It Is granted that lime sul phur. as ordinarily used, has bo-en found to be less likely to rrvduee spray injury, many orchardists maintain main-tain that iu practical work it is less efficient with them than bordeaux mixture In controlling apple sr: .. In fact, a prominent apple grower re j cently told the writer thai even with j the most careful and thorough spray- i Ing with lime sulphur their fruit the) past season was badly nt tacked by f scab and that some orchardists were j seriously considering going back to i bordeaux mixture this year. On the I other hand, it lias been the writers! experience that with xaricties susccp. ! I mm European Apple Canker of Crotch ot Tree. Hide to spray Injury lime sulphur Is on (he w hole, by far the most satis factory n.alci ial. The question of the proper tui.i.i cids to use is by no uteaii'i the or, '.v Inns. i tan! mail, r Involved in rl'soicl.l orchard spiaying Inscci icldcs an iicccss.n v and u Is bo;'i ,.,, s--.li v am convenient .;,, them in cembiua lion w id, fungicides, ,jt i. 'Med policy has ben tea, bed as u Hie proper tin,,. ( .,pl,h ,,,,, ,.,.(. . piny n or combinations. ,,f spi av s t, secure the greatest clUclcnov there I still lnsiill;clciit data with leg,,,! t, many points connected with tipple oil turo. |