Lycoris Pests & Diseases

lwallpe@juno.com lwallpe@juno.com
Fri, 01 Sep 2006 08:28:35 PDT
Jim & James -

My apologies, I should have added more information to my query. 
Messages written while in a hurry.............

I have L. sprengeri in half a dozen places around our garden here in 
Cincinnati, Ohio.  They were spectacular this year.  I credited that 
to the ample rain we received this year in late April through May.

The L. chieninsis has been down for 5-6 years and made a glorious 
clump of blooms last spring.  After the sprengeri bloomed so profusely 
I was really looking forward to the golden chieninsis.  Didn't happen.

Bulb fly may be a possibility, I have about a thousand varieties of 
daffodils, but I can't say that I noticed that slow buzzer this 
spring. 
In the rain this morning I noticed a nearby Hosta 'Patriot' is not 
doing well either.  
I will dig and see if there's anything there.  Hadn't yet, hopeing 
that they would emerge late.  

Linda W.
	

<Why not dig your bulbs and check for damage? >
<Where do you live? >
<Anything specific to add? >	


Why not dig your bulbs and check for damage? 

Jim McKenney
Montgomery County, Maryland, USA, USDA zone 7, where the somewhat 
soapy,
peony-like scent of Passiflora incarnata and the sour scent of boxwood 
fill
the house daily. These scents are a bit like cilantro: you have to get 
used
to them; but once you do, it's hard to imagine how you got by without 
them. 



------------------------------

Message: 3
Date: Wed, 30 Aug 2006 12:22:37 -0500
From: James Waddick <jwaddick@kc.rr.com>
Subject: Re: [pbs] Lycoris
To: Pacific Bulb Society <pbs@lists.ibiblio.org>
Message-ID: <p062309dcc11b77e73729@[192.168.1.101]>
Content-Type: text/plain; charset="us-ascii" ; format="flowed"

Hi Linda;
	
	I said 'few' pests and only because I might have defend 
'NONE", but nothing really bothers them once they have settled in and 
start to bloom.

	The only time I have seen Lycoris decrease is when they are 
repeatedly cut back too early. Here they are such common plants (l. 
squamigera) that some folks don't realize (or care?) the foliage and 
flowering stems even go together. The zero-scapers, just mow the 
foliage after its been there too long and hasn't bloomed. Then it 
won't bloom and the cycle repeats.

	Actually I don't know anything that bothers them here, but if 
you live where there are narcissus flies, they might get to them. I 
suppose they could get a virus, but I never heard of any, etc.

	They do not do well in all parts of the country so that's why 
I asked. L. chinensis is a spring foliage plant and it doesn't do so 
well in the deep south for example.

	On the other hand this is a good time to dig, divide and 
transplant. Just do not disturb or break (too many) roots and plant 
them in a moist shady site.

		Best	Jim


>Jim W -
>
>I had a clump of L. chienensis that was increasing nicely but this
>year has failed to bloom and as I now recall spring, there was less
>foliage than there should have been.  I hate that I've lost it, I
>enjoyed those golden blooms greatly!
>
>At one point in this thread, you wrote that Lycoris suffered from few
>pests or diseases.  Would you please expand a bit on that?
>
>Thanks!
>Linda W.
>

-- 
Dr. James W. Waddick
8871 NW Brostrom Rd.
Kansas City Missouri 64152-2711
USA
Ph.    816-746-1949
Zone 5 Record low -23F
	Summer 100F +



------------------------------

Message: 4
Date: Wed, 30 Aug 2006 18:07:45 -0500
From: "Joe Shaw" <jshaw@opuntiads.com>
Subject: Re: [pbs] rainlilies and wetness
To: <pbs@lists.ibiblio.org>
Message-ID: <004901c6cc89$1c2c02b0$6501a8c0@Petunia>
Content-Type: text/plain; format=flowed; charset="iso-8859-1";
	reply-type=original

 but if you want to grow them in containers,
you might try growing some of the above with saucers under the
containers and see if they perform any differently for you.

+++++++++++++++++++++

Hi Gang,

A very good idea.  Maybe I'll get organized next year and try them in 
saucers.  Thanks for the tip.


Joe



------------------------------

Message: 5
Date: Wed, 30 Aug 2006 18:35:32 -0500
From: "Joe Shaw" <jshaw@opuntiads.com>
Subject: Re: [pbs] rainlilies, pots, grasshoppers
To: <pbs@lists.ibiblio.org>
Message-ID: <004b01c6cc8d$086f8860$6501a8c0@Petunia>
Content-Type: text/plain; format=flowed; charset="iso-8859-1";
	reply-type=original

Mine are all in pots, which several people such as Alberto Castillo, 
will 
tell you isn't the best way to grow them unless you grow them in very 
large 
pots (5 gal. or larger)

++++++++++++++++++++++++++++++

Hi Gang,

More good advice about growing rainlilies.  I guess I'll have to move 
my 
plants up to larger containers.  Maybe this winter will provide the 
time.  I 
do like the rainlilies, and I now I think I've been mistreating them.

They don't have many problems, even with my small pots and stingy 
watering 
schedule.  However, they are devoured by the Eastern Lubber 
Grasshopper, 
which are truly beautiful but alien-looking insects.

The instars (juveniles are black and red, or black and yellow).  The 
adults 
are a psychadelic mix of yellow, red, orange, black, tan, and 
sometimes a 
hint of green.  Both adults and juveniles devour amaryllids.  
Rainlilies are 
mowed to the ground unless I keep control of the grasshoppers.    The 
insects actually remove all foliage and flower buds, and rainliles 
seem as 
if they are "gone."  Once I put out insecticide the rainliles come 
back.

Eastern Lubber Grasshoppers like Crinum, Hippeastrum, Hymenocallis, 
and all 
sorts of related plants.  I think they survive from year-to-year in my 
yard 
because I won't put insecticides in the low areas of my yard, the 
places 
where runoff can enter nearby ponds.

LINK:   Photo, Close-up of Adult and Juvenile
http://www.opuntiads.com/pests/lubber1.jpg

LINK:  Photo, Feeding Frenzy, Juveniles Devouring Hymenocallis near 
the 
Trinkity River in Texas
http://www.opuntiads.com/pests/lubber2.jpg

They will eat leaves, flowers, seed pods, seeds, and perhaps slow-
moving 
people.


Cordially,

Joe
Conroe, TX
The weather has cooled a bit and maybe the fall-blooming bulbs will 
begin 
their shows.  A few oxblood lilies have come up but the heat fried the 
blooms last week.





------------------------------

Message: 6
Date: Thu, 31 Aug 2006 09:50:08 +1000
From: "Bill Richardson" <ixia@dcsi.net.au>
Subject: Re: [pbs] rainlilies, pots, grasshoppers
To: "Pacific Bulb Society" <pbs@lists.ibiblio.org>
Message-ID: <001b01c6cc8f$099cf9f0$0201a8c0@Ixia>
Content-Type: text/plain;	charset="iso-8859-1"

Hi Joe,
 this is not quite true. I grow mine in small pots and they do well 
here. I
keep them wet all winter and every year they multiply and flower well. 
We
get fairly wet winters although mild - not many frosts.
regards,
Bill Richardson,
Ixia King
Winter -2c. to  15C.. at present
West Gippsland,
Victoria,
Australia
 ixia@dcsi.net.au
Ixia Website: http://www.angelfire.com/ri/ixia/
"Almost any garden, if you see it at just the right moment, can be 
confused
with Paradise" Henry Mitchell
----- Original Message ----- 
From: "Joe Shaw" <jshaw@opuntiads.com>
To: <pbs@lists.ibiblio.org>
Sent: Thursday, August 31, 2006 9:35 AM
Subject: Re: [pbs] rainlilies, pots, grasshoppers


> Mine are all in pots, which several people such as Alberto Castillo, 
will
> tell you isn't the best way to grow them unless you grow them in very
large
> pots (5 gal. or larger)
>
> ++++++++++++++++++++++++++++++



------------------------------

Message: 7
Date: Wed, 30 Aug 2006 19:29:03 -0500
From: "Joe Shaw" <jshaw@opuntiads.com>
Subject: [pbs] Amaryllid Pollen Trading
To: <pbs@lists.ibiblio.org>
Message-ID: <018901c6cc94$77e43b30$6501a8c0@Petunia>
Content-Type: text/plain; format=flowed; charset="iso-8859-1";
	reply-type=original

Hi Gang,



The Amaryllid Pollen Trading Email List is now in operation.  
Hopefully, it 
will be a mostly sleepy list to alert folks when pollen is available.  
Or, 
on the flip side, it will be used to alter folks when someone is 
looking for 
pollen of a specific type.



The list is not limited to Crinum although that was the original 
concept. 
Some have written asking for an expanded list to include rainlilies, 
Lycoris, Hymenocallis, and some other genera and I think that will 
work out 
OK.  I suspect that Hippeastrum (while technically fitting into the 
concept) 
will not be a topic because there are (many) more, well established 
Hippeastrum lists.



Following recommendations from PBS folks who have "lots of work" to do 
with 
lists, and suggestions from initial pollen-trading members, I have 
implemented membership moderation (I think I got the controls set 
correctly).  Also, the URL is not listed in the Yahoo Groups; the goal 
is 
not to limit membership so much as to discourage instantaneous 
membership 
applications.  Anyone who applies, and who follows general Netiquete, 
is 
welcome.



Additionally, while the messages could be archived, I have voided that 
possibility; the main reason is to limit spamming robots.  There is no 
goal 
of secrecy, per se, and if members vote wish (majority vote) to have 
the 
messages archived (with a password) I think that can be arranged.



One other note:  I don't think of the pollen-trading list as a bulb 
list. 
Members know (if they read the guidelines) that most questions can be 
directed to the PBS.  The PBS URL is provided up-front and if 
questions are 
beyond immediate pollen trading, correpondents will be referred to the 
PBS.



My hope is that folks in equatorial regions, or in the southern 
hemisphere, 
or in the northern hemisphere, will be able to share pollen.  We have 
out-of-sync seasons and can benefit by sharing pollen during the year 
and 
storing it correctly for later use.   With time, perhaps I can prepare 
an 
article about pollen mailing, and pollen storage--but the PBS archives 
are 
rich with information about those topics.



If  you want to join please email me or visit the URL:

http://groups.yahoo.com/group/crinumpollen/





Cordially,



Joe

jshaw@opuntids.com





------------------------------

Message: 8
Date: Wed, 30 Aug 2006 19:46:09 -0500
From: Kelly Irvin <bulbmeister@bulbmeister.com>
Subject: Re: [pbs] rainlilies, pots, grasshoppers
To: Pacific Bulb Society <pbs@lists.ibiblio.org>
Message-ID: <44F63151.5000008@bulbmeister.com>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

Grasshoppers are my biggest pest problem in the nursery, including 
potted bulbs and Lycoris flower stalks in the beds. I've seen the 
black 
ones in east Texas when I was a boy, but these are the regular ol' 
light 
brown/yellow ones. I've just ordered a bunch of semaspore to see if I 
can get some control. I expect it to be difficult, though, since I 
can't 
really contain the "site". It did help me one year in my winter house, 
though, so I am hopeful.

A scientist like myself is intrigued by rain lilies in pots, because 
you 
can experiment with forcing bloom, not relying on nature to give you 
the 
occasional bloom. It has been several years since I took a scientific 
approach. I think I let the listserv for IBS know about it at the 
time, 
but I can't find the info. If I recall correctly, a good rule of thumb 
was to water regularly for 6-8 (4-6?) weeks during the growing season, 
then completely withhold water for 3-4? weeks. The next time I started 
watering again, I got a bunch of blooms in a day or two. These were 
greenhouse conditions, so nature could not interrupt the "scientific" 
process. ;)

The described method, or something akin to it would give me more bloom 
periods in the season than just keeping them watered regularly. It 
seems 
that regular watering encourages bulb division (increase), but more 
flowering can mean more seed (increase). So, if you want to get a 
bunch 
more bulbs of the exact same thing, bring on the water hose, but if 
you 
want to play *od and make babies of different colors and shapes, 
practice some "science" with your rain lilies.

Mr. Kelly M. Irvin
The Bulbmeister
10846 Hodge Ln
Gravette, AR 72736
479-366-4968

USDA Cold Hardiness Zone 6b

E-mail: mailto:bulbmeister@bulbmeister.com
Website: http://www.bulbmeister.com/
Forum: http://www.bulbmeister.com/forum/


Joe Shaw wrote:
> They don't have many problems, even with my small pots and stingy 
watering 
> schedule.  However, they are devoured by the Eastern Lubber 
Grasshopper, 
> which are truly beautiful but alien-looking insects.


------------------------------

Message: 9
Date: Wed, 30 Aug 2006 17:50:17 -0700
From: Dan Tyson <profloran@adelphia.net>
Subject: Re: [pbs] Rainlilies
To: pbs@lists.ibiblio.org
Message-ID: <ABAC5D74-388A-11DB-893F-00039304F2EA@adelphia.net>
Content-Type: text/plain; charset=US-ASCII; format=flowed

	Tony Avent and Yucca Do carry a large variety of them. I'd 
highly
recommend them.


	Thanks, Lee.
	I will definitely contact them.

	Dan



------------------------------

Message: 10
Date: Wed, 30 Aug 2006 23:01:04 -0400
From: "Eugene Zielinski" <eez55@earthlink.net>
Subject: Re: [pbs] Spanish iris
To: "Pacific Bulb Society" <pbs@lists.ibiblio.org>
Message-ID: <410-220068431314160@earthlink.net>
Content-Type: text/plain; charset=US-ASCII

First, apologies for the delay in this response.  I've been busy with 
work
(and other things, but mostly work) and didn't have time for more than 
a
one line response to any e mail.
Jim McKenney asked "Where in Pennsylvania were you growing those 
English
irises?".  (I've included part of Jim's message below.)
A little bit of background:
On 7/20/06, as part of a message on bulbous iris, Jim wrote, "No one, 
to my
knowledge, has successfully grown English irises here in the middle 
Atlantic
states."
Part of my response (7/22/06) was "Is Pennsylvania a mid-Atlantic 
state?" 
(According to wikipedia, it is -- along with New York, New Jersey,
Maryland, and Delaware.  Virginia and West Virginia are sometimes 
included.)
My English irises grew (and probably still grow) in central 
Pennsylvania,
not too far from State College and Penn State University.  This is the
Ridge and Valley region.  (To be specific, they grew in the last valley
before the Allegheny Plateau, which dominates the western part of the 
state
and gives Pennsylvania its coal mining reputation.)  Temperatures here 
are
cooler than those of the mid-Atlantic region in the southeast corner 
of the
state.  Winters are zone 5 or 6, and summer temperatures do get over 
90 F,
but only for a few days in August.  The area also has a definite 
spring,
with generally cool temperatures into mid June.  I think this was a big
factor in the iris' performance.  My yard was fairly moist (Lobelia
siphilitica was almost a weed...), which may have helped.  Still, I'm
surprised at how well the irises performed.
Incidentally, the irises I grew were the common blue variety.  I did 
plant
some other varieties later, and they did nearly as well.

Gene
Eugene Zielinski
Augusta, Georgia
USA


> [Original Message]
> From: Jim McKenney 
> Date: 7/23/06 12:19:08 PM
> Subject: RE: [pbs] Spanish iris
>
> Eugene Zielenski, in commenting on the culture of English irises, 
asked "
Is
> Pennsylvania a mid-Atlantic state?  "
>
> In response, I would say depending on the context, maybe. 
>
> It seems that English irises have been grown successfully in New York
State
> and northward (I'm basing that partially on the account in Molly 
Price's
The
> Iris Book). 
>
> So to go back to Eugene's question, I would say that western 
Pennsylvania
is
> not for purposes of this discussion a middle Atlantic state. I had 
in mind
> the piedmont and coastal plain areas, the areas of the major, old 
cities
in
> this area. For horticultural purposes, the conditions in the 
physiographic
> provinces west of the piedmont are significantly different. The 
zones of
> similar conditions in this part of the country run roughly southwest 
to
> northeast. As you move westward, especially as you cross 
physiographic
> provinces, conditions change rapidly. 
>
> So my question for Eugene is "Where in Pennsylvania were you growing 
those
> English irises?"
>
> And I'll bet it was not on the coastal plain or piedmont. If it was,
please
> tell us more. 
>
>
>




------------------------------

Message: 11
Date: Thu, 31 Aug 2006 07:12:12 -0700 (PDT)
From: James Frelichowski <butterflyamaryllis@yahoo.com>
Subject: Re: [pbs] rainlilies, pots, grasshoppers
To: Pacific Bulb Society <pbs@lists.ibiblio.org>
Message-ID: <20060831141212.64070.qmail@web33901.mail.mud.yahoo.com>
Content-Type: text/plain; charset=iso-8859-1


I got my amaryllids in extra greenhouse space and it is under repair 
so all kinds of 6+ leggers venture inside and sample my amaryllids 
(usually few insects will eat amaryllids).  I just killed a giant 
yellowish one this morning which looked like it had some shedded 
exoskeleton on it.
   
  James Frelichowski
  College station, TX
Joe Shaw <jshaw@opuntiads.com> wrote:
  Mine are all in pots, which several people such as Alberto Castillo, 
will 
tell you isn't the best way to grow them unless you grow them in very 
large 
pots (5 gal. or larger)

++++++++++++++++++++++++++++++

Hi Gang,

More good advice about growing rainlilies. I guess I'll have to move 
my 
plants up to larger containers. Maybe this winter will provide the 
time. I 
do like the rainlilies, and I now I think I've been mistreating them.

They don't have many problems, even with my small pots and stingy 
watering 
schedule. However, they are devoured by the Eastern Lubber 
Grasshopper, 
which are truly beautiful but alien-looking insects.

The instars (juveniles are black and red, or black and yellow). The 
adults 
are a psychadelic mix of yellow, red, orange, black, tan, and 
sometimes a 
hint of green. Both adults and juveniles devour amaryllids. Rainlilies 
are 
mowed to the ground unless I keep control of the grasshoppers. The 
insects actually remove all foliage and flower buds, and rainliles 
seem as 
if they are "gone." Once I put out insecticide the rainliles come back.

Eastern Lubber Grasshoppers like Crinum, Hippeastrum, Hymenocallis, 
and all 
sorts of related plants. I think they survive from year-to-year in my 
yard 
because I won't put insecticides in the low areas of my yard, the 
places 
where runoff can enter nearby ponds.

LINK: Photo, Close-up of Adult and Juvenile
http://www.opuntiads.com/pests/lubber1.jpg

LINK: Photo, Feeding Frenzy, Juveniles Devouring Hymenocallis near the 
Trinkity River in Texas
http://www.opuntiads.com/pests/lubber2.jpg

They will eat leaves, flowers, seed pods, seeds, and perhaps slow-
moving 
people.


Cordially,

Joe
Conroe, TX
The weather has cooled a bit and maybe the fall-blooming bulbs will 
begin 
their shows. A few oxblood lilies have come up but the heat fried the 
blooms last week.



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------------------------------

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End of pbs Digest, Vol 43, Issue 32
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