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Image 6 of Kentucky fruit notes, vol. 2, No. 3, April 1943

Part of Kentucky Agricultural Experiment Station

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I il l ered with a tight, screen wire lid. In arsenate spray must be applied a ¤’ 2; this cage they burrowed into the soil month before harvest. Many west- - Be to complete their life cycle. The ern Kentucky growers put on this e ` ground cage was looked at each day, spray last season as a result of the I- any adults emerging were counted spray service findings, and counts · PQ and removed. Many of the early, new made at harvest showed very little L Thi adults were shipped in cartons to curculio damage. Damage did occur ‘ bg Princeton where Mr. Armstrong fed in orchards where this treatment was i clk them on peach foliage and supplied not made. = ex them with small fruits for egg laying. _ya"ing__F01. most an-active cOn_ — Hfl The Wrlteehelped check for the egg trol of curculio, growers should prac- ' 1&Y1hS_ period by dlsseetmg female tice jarring both as a means of telling ° sh curculios- when to spray and also to find out J Dt As a result of this study and other what _ Darts Of the orchard need af; observations we obtained definite in- Spfaylhg. wi formation on plum curculio activity Jayymg is done by Spyeadmg a bed. g dr ih 1942 which eh8b1ed US to predict 8 sheet or large canvas under a peach ° Ve SeC0hd b1`00d ahead cf time. The ih- tree, or, better still, two sheets, one lll f01‘m3ti0h also gave US some vital on each side of the trunk. The trunk ‘·"‘ facts heeded f01` the €01'h1hg year. or limbs above are then struck sev- ; ii These 1942 facts may be Shmmafized eral sharp blows with a padded scant- lll 35 fellows: The first €\11‘¢¤1i0 8D- ling. This causes the curculios in the le peered ih WeSte1`h Kehtueky orchards tree to fall to the sheet where thev ADYU 15, ab¤ut9 days after fu11b1¤¤m may be counted and destroyed. Jar- I yi 0h E1beFt3- Egg 13YihE begah APT11 ring is most effective early in the i W 28, about 3 to 5 days after shuckfall. morning while it is cold and the cur- 8, continuing forwieveral wegkfl. June whos are numb_ hi drops began ay 13. u —gr0wn . · . · ,. . Wermg began legvigg dwp gggghgg p§'$i".'rZlF“éi“"ié’£°ii€$`°a“£dS°€£iS§5L " May 19, continuing to do so into June. twice a week fm, the next 6 weeks gig`] v;;g1l}gtSS,§§gigH$§11;r%%15 iglurézlgg Jar first on plum trees since curculios July- Adults bg·gg¤ lgyigg gggg fg ?S°§2Z“l¤l?§$r?af”S§t€fSi’?£éé§`gOE°Z{EE _ ‘ a second brood on July 14. Elbertas €dg€’ Of thg Orchard nearest Wooda were being harvested between August and other placas whew curculios ara i 5 and IL likely to hibernate. Continue jarring at regular intervals. Cover the en- ‘ tire orchard. In this way the move- . Control Meaeuree ment of curculios into the orchard can , . be followed and sprays can be omit- - S1’mYmg·_TO control Curcuho we ted or delayed if curculios are scarce. - must rely mamly On Spraying Wlth S C Chandler in Illinois found that ‘ lead arsenate. The correct formula cnrcnhns aI.a’nSuaHy nn/mh mon, for 100 gallons of mixture is lead abundant On the Outer ww Of an arsenate 2L»@ pounds, hydrated lime Orchard than they are On mws fan gf pfuildts and Z&n°.S¥1f?t€ 2 p°uY’dS· ther in. As a result, more spraying \, e as wo ma eria s orm a zinc- . . , bordeaux which reduces the foliage may be needed on the Outm IO" S' 2 injury by the lead arsenate. To con- —— V trol brown rot and scab, 6 pounds of 3 wettable sulphur is added in certain gECOND_YFAR CARI{‘ OF l' of the sprays. ` “ ’ § Gro;/eridwho do not practice Earé STRAWBERRY FIELDS C ring s ou put on at least two ea · ,- I arsenate, curculio sprays following fnyvtlhit ;;cgh%;D€;§rn;$;g$vC%)§;,Cahgg d the fixed schedule given in Experi- in Kentucky-, yh/[any good ggrowerp ment Station Circular 356 or Leaflet have different ideas and follow dnl 9 or Bulletin 393. Apply the first one f t t- B f th 1 2 or 3 Weeks gm full blgem Wheg i$$€{`hiEi‘?§$$E$atiOS°SE$°t%c giféifi fg gf the ghgcks gre gg the gegggd interest or strawberry growers, mic C ays 8 QL plots were set up for the study of Q From the studies made in western these problems immediately after c Kentucky in 1942 it is clear that to harvest in 1942. The plots were on l stop second brood curculio, which oc- commercial strawberry fields of the i curs in some years, an additional lead Blakemore variety and were located 6