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Kentucky fruit notes, vol. 2, No. 4, July 1943

Part of Kentucky Agricultural Experiment Station

il Vol.2 JULY, 1943 ' No.4 W. D. ARMSTRONG, Horticulturist, Editor HORMONE SPRAYS from dealers and should be used _ as recommended by the manufac- The use of the hormone sprays to turer, or summer oil may be used prevent preharvcst drop of apples for this purpose, at the rate of one ? has proved to be profitable on _va- quart to 100 gallons of spray. Tests rieties that have this fault. Delicious show savings of as much as 5 bushels T is especially subject to early drop. per tree. -_i The spray is not recommended on Growers should give special at- varieties not subject to drop. tention to the need for hormone T The spray should be applied about Sprays thrs year; Smee they reduee 2 10 days or 2 weeks before the nor- the hazard or drcppmg and wil mal harvest date. Hormone spray SWE 3 l0g1 period to safely pick y marenais are nandied by all me the frwt when 1br is apt to be leading dealers in spray materials Scarce- and should be used at the rate ....1.-- recommended by the manufacturer. L Usually, one spray is sufficient. The BITTER ROT OF APP]-ES spray should be thorough and with good pressure' W. D. VALLEAU . The effectiveness of the spray de- Bitter rot occurs during periods __ pends on adequate coverage of spray, of high temperature and high hu- Q proper timing (too early or too late midity at any time during the grow- ~ may be ineffective), and the season ing season after about the fifteenth j (severity of dropping varies with of June. Experienced growers are Q the weather). The use of a spreader familiar with the numerous pin- - and sticker also helps to improve point brown spots on_the surface 1 the effectiveness. These are available of the fruit which rapidly develop l and ;_ wd . 5 V . J ` aa,. ..j eners `* 1 I . TQ ( V. .3* ? 1se of _ T.:< , , _ - ' ` . _ U . *\ . . V ` " ~ r .. Z , ~` -=?Ci L _, _~:, . ., Zvi .* , {.r_ _ ; . _.' J j~ _ ;r;.r .,, : L; - ~?` Y I ' Ni *" Y je ~< .;`2YI}?` ud bc Y i D . Q' ' " Y i "Q .,"`Q ~.` r t can i 5%-24 `. A r \ py kx or 2 Q'; essen- { *%;_,;'1` " "Z`*?* ** fs.`Z'jr?`i' e- I " ii? i .;f.;w5i . . ` " Q. `,;`.`;rg_:;._ ` _4" : ag the li . .- 1 . ;~e;w,2r.~.#\*; es in- _ _ _ S. .;~._;.~_-i ` --=~.;,= Salad r ` t ' *3a%'*i$ieii`;e'iei ` . ` ~ . A Y1 de to . , .* , - _ er i- ` "%` , _- = Ht- Ying? Y %`&t:% - r; ._..-:, p$` * _ __ I . _ - . cm +?x4|*Y ?*.r` , . -. `* 8*%* $.__."> Should "ee?' Ir`, h r- aL? i rrr e `.. } and ('f ___ ` "Drops" iindjr hor- ;1'{_. _ "` 1" `e "` QA i "Drp rundfr are; not; A;. -*+.23 * NY. ""$ F G We `a~` yr ,';~.`_`Tf*r.iiejl`] w`t ormone _ -jf.j MA`*9Y:SY*`-{ " " `?l ~ Y;='y* 2) `7 <$#r`"*~ ` ey b `Y`:`Q**- * << C 'i' J ;"?,?* nie . Exten- BULLETIN OF THE KENTUCKY AGRICULTURAL EXPERIMENT STATION, LEXINGTON, KENTUCKY .1%;. N