__ should be addressed to Wesley P. earliest inf~et' · · d th-·
    Experiment Station, Woos- furnishing p§0te(et]ihn. h]Vith thifslghgi
n_i_ (1. 10- g1`Z1IT1, the disease has been virtual-
nn, “`“""‘*‘··“—-—‘ ly eliminated in a planting that suf-
ees BlTTER,.R()T QF APPLES fered serious losses before this pro-
t . . ··c ·t· t .
0 B1h°"‘;`°t of *‘1°1’l“$ ufaag Caused Blorticiidthced first bitter rot t
serious oss in   - t ·k ~ `· O 8D-
°*;' orchards in vviclelid isle-pai·;it(eId use; pu"' catch y““"r‘?CCu"$ lh Oh€ O€1`T81¤
9* tions in 1947. 'I`oo many growers who tm amd thc d1$O<'¤1$€ Spreads from
111- have had losses from this disease in th"?-_ The 1`OFOOVBI of such trees
former years wait until they see 11215, 111 Scvcral cases, completely
I, the first disclased spots on the fruits Solved the bittfir-1“0t problem.
>e orc sar ing specia bitter-rot __________
sprays. It has been proven, time
;fter time, that in b d b'tt - t RED STELE
1€tZ~' year the disease caiilnotl be Lliglfgd A Serious Stmwbou. Disease
oon after it ehas developed far enoiigh to y
ann cause visable spots on the fruit. The BY W. D. ARMSTRONG
me incubation period of this disease is _
5i_ rather longtlhence, by the time h£i§%nR°i?cc§t€1° wot ¤>1b<{1S€¤s·¤
18_ spots are visible many other infec- thé So.§wb€,.r a S€l§uS· pm E?} m
itel. tions have started and sprays are of mjnoie Neg; `glgegclgéd fcnflqs
lcty powerles‘ to stop them, li c · * .-   ’ _
Jun can bc ciipcctpd OM r m`   ber off other states. Kentucky_gr0w-
“_ _ l D _ _ 117 ers hay e been very fortunate in that
LC? fcctions and not to stop infections losses from this disease have been
TESC that l1i1\'€ alrcady started. relatively light, to date. The writer
mn For this reason, where bitter-rot 11151 Saw the diseasg 111 an Aroma
me has been serious, special bordeaux   Rcmihpadutcah gl the Spring Of
tore mixture sprays of 4-6-100 or 8-10-100 ‘ ‘· no CYS mw eniy Cmp was
L et., U sh _ · ) _) planted on this same field _1n 1944
?§&l ;»r}€iii1ir·;i `CSCE? 2§1L},f“T`rl`r§ 5§i§L‘}El gpg gg; 3g¤;gig¤;;·¤g?;’5 ggggsinbg
  be late May in southwestern and {ow otno,. born}. holds in tho Pa_ ·
_` southeastern Kentucky and early dnonn Soonon ond at Lexington in
lngb JUDC ll'1 C€Hl.l`3l, I`lOI`l.l`1Cl`Il. Und IlOl`l.ll-   and   is Sugpgctgd {O be Spygad
‘ stern Kentucky. - — ii · in ‘ i' d
1. CIN l more genera 5 an is rea 1Z€ .
253 Several new materials are show- The disease is caused by a fungus
on ing some promise in bitter-rot con- that thrives in poorly drained soils
ne- trol; however. nothing to date is 11116 @11595 111OSt 111l¤1`Y in COOL Wét
Dyer showing Q geneiei impi·m·emeni seasons. The disease is often carried
tici- over fresh bordeaux mixture made to the hcw field Oh the TOOLS of the
up *1 mc   mk by   Gt M1 il?-"”liQ.»iiE.*"i1‘?}5;“.¥*u.$i§fi.§p$5§fl
tho Copper sulfate (bluestone), fresh   ` _ *     . '_ · _
is hydrated lime, and water. Eithcr or gzorliynszaltinaiggeqggglbsngligt Iémgei
SEE; r gmth arsgnate Oslcad ahd DDT Cs}1 in high. well-drained soil, infected
HW 10 com ined with bordeaus mis- ninnts may develop neonny runner
Vmé ture to form a combination codling plants end grew into ei productive
mm {11031 and bitter-ron spegy. Hoivever. field, However. if the soil lis low,
x nor eauxmixturesrou not eused poorly drained or of a tig t, wet
‘C‘ with a nicotine spray schedule be- nature or if a wet, cool spring fol-
Q cause it releases the nicotine fumes. 1O\\'$· the 11OW Patch 1haY gow mc€'
- , ,- ly the first season and t en go to
><¤1¤- r mxerthigedilticgimiiidr£}§p%iiIi;i—1i;$i gggicss sgtgr thc f¤t{¤g1¤gaS§gg¤g· s
_bi’- _‘ j is con r ron prevai e in e -
I nl has been controlled for the last nom figld of Blokemoi-es in the pe,
Z1 tt . . 1 , . , .
Up- Shwla tems Oh the Malden Blush duealr-Kevil section in 1947 and the
fur- laugty bYtt11`cc O1`_fOU1` V€1`y €81`lY entire crop was lost except OI'1 8
toms $D1`¤b'S Startmg with the second high ridge down the center of the
agen O0\’cr, consisting of weak_bordeaux field.
po_ _   2~6-100 strength eombmed with The trouble usually becomes no-
con 2 gallon of summer oil and 4 pounds ticeoble just before harvest. The
n.1.o_ of Hl`SCl1HtC of lead. This is based symptoms are low. small. light fQl1·
lzino O11 the theory of preventing even the ago that often wilts as thc bcl‘r1€’S
7
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