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5 > Image 5 of Kentucky fruit notes, vol. 1, No. 14, February 1940

Part of Kentucky Agricultural Experiment Station

5A? er on early egg-laying is to follow egg can crawl 300 yards without a is development by dissection of a source of food. . g. sufficient number of females and 2. Plants for new patches y- correlate this with air tempera- should be dug between December 1 is tures. Egg laying continues from and March 1. Plants dug after it March until September. Eleven December 1 rarely contain crown- le females laid an average of 62.7 borer larvaz, pupaz, or adults, and ld eggs each during 1937. Some fe- when dug before March 1, will con- id male crown borers laid eggs a sec- tain no eggs. Plants dug too early ond year. Total maxiinum egg for setting should be heeled in at a _n_ production for a female which laid distance of 350 yards from a source in during the seasons of 1937 and of infestation. as 1938 was 1-12. Crown-borer eggs 3. Certified plants are preferred fly are always laid in the strawberry for setting new p3};chg_ Plants E; plant. They are usually deposited from infested patches can be used m__ 111 XC8VZ1tl0llS 1118tlC 111 1llO CI`O\Vll for Starting b01g]_-fIg patchgs pro- ng or old leaf bases slightly above the vided they arg dug before Mm~Ch 1 ky origin of the lateral 1oots and gud pygpgrly cleaned and washed . close to the soil Surface. to rid of adhering adults. Plants ` rg Plants attacked by crown-borer from patches found to be free of larvae are killed, stunted, or may crown-borer are preferred. Even show no other eifccts except a certified plants should be dug early ll reduction in number of runners and and cleaned. i N runner plants. In diy years, entire 4. Set strawberry patches only fields are often wiped out by crown- on land in cultivation for one or borer. Pupation of boicr larva: more years. began between June 10 and June 16 5. Destroy all berry patches me in 1937 and 1938 in western Ken- after the second year of picking. las tueky. First generation adults 6. Destroy the common wild V {ii began emerging late in J niie. One host of the crown-borer, common d. parasite. I\l1C1'Ol)1'21COl1 analeidis, (Zl11q11fOll. (five Hnger), and tyq 1`'%utrSd$}_(luOi Editors N0te.Strawberry growers i mn P1_1U5 &UI`i4U> i st 611 MW! who stay in the business year after _ rig americanus Payk. were found at- year are the backbone of the industry. , fas mms the ">Vl0~ .;ai?tt.";;$.;l;i .;i.f;t2it ; of . dellma fovcolam (S3y) a close rc` rounded production program regarding pbv lem Of. the `` b1`l` was acreage, soil fertility, rnuleinng, variety- E _ common in strawberry patches. It selection and insect control. In order { breeds in Oenothera laeiniata Hill lg b`ig0S0itl6 0fdhS<*il;tl1}f is minbd E *` . . .. .. 1 VVHS C HSI l` \VOI' \\` 1 In am? S 1*9*; . S""bL Pfistg _ _ nsn are summary of urs roiioiarigliiirr- - was _ Usectludes and mums me letin, which is based on an intensive 1-I1d 8S 111GB.llS of ClO\\'l1-l)O1`0l 0011- study of commercial strawberry grow- j V - trol. Results of the tests do not ins in Kentucky, by Mr. W. W. Masill 5 _V I uml warrant their reeonnnendation. who has Spam 17 Years in $m"b*"`Y if T the . . work in Kentucky. g thc Certain recommendations for ; r. V mss cr0wnborer control are niadc as Summary of Kentucky Clxcular { _ mts a result ot tl11s investigation. N0. 295 , and 1. New strawberry p a t che s COMMERCIAL STRAWBERRY E Q _ ,,0 should be set at least 350 yards GROWING IN KENTUCKY F mi] from a source of infestation. Field _ W- W- MAGILL _jj ji Ldcd tests with 1,038 marked erowii- kentucky g1`O\VS6,000 to 10,000 g i iam borer adults showed that the beetles acres of commercial strawberries Q j; 5 . Qxj