Brookings-Harbor pilot., May 30, 1946, Page 6, Image 6

Page Six
Uome of the Croft Luy
BROOKINGS-HARBOR PILOT, BROOKINGS. OREGON
Bulbs & Bulblets
Official Croft Lily Growers News Items
M c W horter classifies lily diseases
The following is an article written by Frank P.
McWhorter, plant pathologist, of Oregon expericen­
tal station, in discussing the various diseases affect­
ing the Croft and other lilies of this area:
Since I am directly responsible
“
fo r the creation in the national foods, the disease is called a phys-
mind of the concept that the ¡ological disease.” This past sum-
C ro ft lily is free from the serious mer we investigated a serious
virus diseases mosaic and fleck, disease of garden beets around
I wish to outline the Croft lily Portland which was apparently
disease problems as they now ap- due to bacteria. The final analysis
pear both from local and national proved that the cause was not
viewpoint. The successful grow- gerrn by sunlight reflected from
ars w ill be those who visualize the baked soil.
probkm in entirety «"d realize
Di
of viru w s
fu rth e r
that the true value of bulb crop compllcated by genetic accidents,
depend, on the opinion held
| For example. « certain percentage
the ultim ate user. The ultim ate
of seedlings of many plants, in-
users of the Croft lily w ill be
eluding lilies and camellias, bear
florists. The grower is concerned
leaves that are a ll white or p a rt­
not only with the diseases that
ly white. The in itia l cause is a
affect production but also those
"leth al gene” tha t went haywire
that affect forcing. *
among the chromosomes and fa il­
Plant diseases are grouped ac­ ed to carry over a factor produc­
cording to their causes: Fungus ing green pigment in the seedling.
diseases, bacterial diseases, virus The a ll-w hite ones die. The part-
diseases a n d physiological dis­ ly-w hite ones may survive and
eases
become variegated varieties. An
L ily diseases include a ll these, Englishman, Mr. Moore, saved an
groups. The climate of the Ore-, Easter lily seedling back in 1870
gon coast is favorable to Botrytis. j and it became the L. Longiflorum
This fungus produces the disease var. Albo-Marggnatum which is
officially known as Botrytis blight s till in commercial production
on our lilies and is responsible today. Likewise camellias some
for our having to spray the fo li­ of the white-spotted foliage re­
age to protect them against the lates to seedling history but as
germ. This disease is usually of has been shown recently in this
no consequence i n greenhouse laboratory, most camellia leaf
plantings but it can be bulb- variegation is a virus disease.
borne. In fact, two years ago a Growers were u n w ittin g ly trans­
planting of our Croft lilies made m ittin g the disease by grafting.
in the old Creole country in tro ­ The lilies which show traces of
duced the Botrytis disease, there variegation simulate virus dis­
in 1942 It spread to Creoles and eases and complicate our problem.
did a lot of damage. The Louisi­ Unfortunately, the genetic varie­
ana growers had never seen Bot­ gation in lilies w ill vary from
ry tis blight before.
>ear to year in the same plant?
B acterial diseases of lily have This is especially true of Madon-
been identified only in Japan.
i na lilies. Diagnosis of lily diseases
Virus diseases of lily are very is a complicated problem.
num erous and very diffieut to
D r B rierley and I have sep a r-
diagnose and understand They a ted about ten viruses from the
often resem ble physioligical tro u - O rie n ta l «and A m erican E a s te r
bles which nn> diseases caused by lilies. C ertain com binations of
u nfavorable
conditions
during these produce serious diseases
grow th and not by sqme specific o th ers m inor diseases; some no
germ . For exam ple, the crack in g disease. The serious diseases of;
of celery and the can k erin g o f - E a s te r lily, listed by placing of
b eets are due to lack of the ele- o ccu rren ce and the o rd e r in w hich!
m ent Boron. The yellow ing of they have been identified, a r e :
j
tomatoes may lie due to a virus
Yellow Elat. Mosaic, Cucum-
or to unbalanced fe rtiliza tion Ii ber mosaic. Fleck, Yellow Top
the cause is unbalanced plant Bermuda. Japan. Florida. South-
I hey Have Answered Last “Taps
em Unite States. Louisiana and
probably Alabama.
The yellow flat disease killed
the Bermuda lily industry in Ber­
muda. Now. in order to orient you
in reference to the bunchy top
situation in C roft lilies, let me
stale these facts:
1. Bunchy Top disease resem­
bles Yellow F la t more than it
does any other lily disease or con­
dition which has been described.
2. I investigated this condition
in Bandon stocks back in 1930,
1931, and 1932 and was convinced
tha t it was not yellow flat.
3. The cause was not ascer­
tained but I advised the growers
to rogue it out since the condi­
tion produced unfavorable field
growth, although we could u ni­
form ly reproduce the stunted
growth under greenhouse condi­
tions. A t that time the stocks
were not pure-lined and the basic
ground work on lily viruses and
the genetics of lily reproduction
had not been worked out.
For many years of observations
and studies on other lilies (the
Easter lily investigators are cen­
tered at Beltsville, Md ). I have
become convinced that several
factors are concerned and the
true explanation of our stunt
THURSDAY, MAY 30.
trouble has several causes: that
different conditions are causing
growth appearances that resem­
ble each other. That part of these
stunted plants represent a phys­
iological disease (perhaps a fe r­
tiliz e r problem) and part a virus
disease or a genetic problem.
Hence I have quit advertising
general roguing u n til we could
separate the stunted plants into
casual types and rogue in te lli­
gently. This brings us to 1943.
That is when I had to go to bat
fo r you fellows who grew the
bulbs.
The large population of Ore­
gon-grown lilies in the Portland
vicin ity is re g u la rly inspected by
the United States Department of
A griculture inspectors. That is the
law. These fellows who try to
protect the greenhouse men who
are not specialists. The result
was tha t the inspectors began
m istaking these bad plants fo r
mosaic and telling the greenhouse
growers that they had bought
mosaic plants f r o m
Oregon
sources and w ritin g that into the
official record. The firs t I knew
about it was at a nurserymen’s
meeting. Then one of the lead­
ing Portland florists cornered me
and toid me that the inspectors
said he had mosaic in his t
gon lilies. For this reason I
ranged fo r a complete sUr\J
a ll the greenhouses. I made'
thorough surveys and exarrj
19,500 C ro ft lilies and 2 000 -t«
lilies from Oregon planting
found no mosaic and no 3ecx.
A very few plants in the M
variety, and a large number
(he Coos, did have some’’
very wrong. Remember that
greenhouse men have the
say— they called 1t a disease
since the inspectors had c,
it the wrong thing, this fo
the issue and it had to be na.
to avoid confusion. I immedia
took official action through
chief’s office at Salem and
a ll the inspectors warned to i
calling this C roft trouble mu
The response on the part of
inspectors was fine and no
ther slips of th a t type were n
Fortunately, your kind fr.
Charles Cole, had heard on<
the P ortland inspectors calling
disease mosaic. He realized
seriousness of the error and
a big help in getting the ma
smoothed out. The official r
of the greenhouse diseas wil
bunchy top. However, I
Concluded on next pog(
Za Me Next 12 foonttn
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AUGUST
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Today is Memorial Day. set aside in honor of the
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soldier dead—-those hoys, full of life, love and hope— ! 18 19
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who have answered their last “taps” in wars which
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this natoin has been forced to wage in the past.
Down the street, in that little brown house, where SEPTEMBER
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iviVi
laughter from dozens of throats when
o
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BUI had his “gang” in for play, today lingers a mem-’
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ory—a gray-haired mother and a dad. stooped from
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toil, sit alone today—nay. they are hack a few years
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"
1 h‘ f ‘? ne wade that home the headquarters.
lne\ could not go to the last resting place—to the
spot where they Bill now rests—you see that was OCTOBER
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across he sea, on some island, altogether too far—
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and they d have difficulty getting there, at their age
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However, this morning, they went to the cemetery
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- o u t where a pal lies, there to decorate a grave as
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oil would have wanted them to do. Now they are
ovu r the oId !iehwl annuals’ the
these boys—yes. and there had been girls1'
m the gang—had pasted in some years ago.
Across town in a house painted gray, sits alone
his ¡¿’ inLTh 1,'r , Her r 0”- / .,,al °f Bin’ ais° iost
nis lift just thiee days ahead of Bill. Rill wrote her
him”*;,ntteri
7’uch1aa the censor would permit
re<t~ind X S
’’ue r sor ha(i K'"n >aid to
- . and th a t he had been there. Today shoe livp«
ni memory. Today is Memorial Day.
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NOVEMBER
Follow the
PRO G RESS
of the famed
Brookings-Harbor
Community
By a
Subscription
Placed Today!
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1916
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TELL
Your Friends
Story Weekly
in the
Same Manner.
$2.50 a year
In Curry County
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•70
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DECEMBER
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194?
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FEBRUARY
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S
There’s None
Better In Curry
County, Oregon
as a medium to
buy, sell or trade
trade—see the
C lassified Adver­
tising section of
S
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1947
-MARCH
1946
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JANUARY
1946
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Pilot
Leading Curry Co. Newspapet