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Re: [aroid-l] Amorph Blues

  • Subject: Re: [aroid-l] Amorph Blues
  • From: "Wilbert Hetterscheid" <hetter@xs4all.nl>
  • Date: Wed, 28 Jul 2004 18:18:13 +0200
  • Importance: Normal

Dear Julius,

The seeds of Pseudohydrosme..............NOW you brought it in the
open........!! Anyway, the ovaries are still growing sloooooowly but this
also happened the last time and eventually they did abort. I am still
surprised I managed to pollinate one effectively 7 years ago and since every
attempt has failed (this is to make known that I do NOT have a lawn of


  -----Oorspronkelijk bericht-----
  Van: aroid-l-owner@lists.ncsu.edu
[mailto:aroid-l-owner@lists.ncsu.edu]Namens Julius Boos
  Verzonden: woensdag 28 juli 2004 0:59
  Aan: aroid-l@lists.ncsu.edu
  Onderwerp: Re: [aroid-l] Amorph Blues

  >From: "Wilbert Hetterscheid" <hetter@xs4all.nl>
  >Reply-To: aroid-l@lists.ncsu.edu
  >To: <aroid-l@lists.ncsu.edu>
  >Subject: Re: [aroid-l] Amorph Blues
  >Date: Sun, 25 Jul 2004 12:21:39 +0200
  Dear Wilbert,

  Thanks so much for the information, it sure sounds like it must be this or
some closely related fly that have effectively killed several thousand
Hymenocallis lilys on a job I am doing, we have given up on treatments, they
live and eat in the root area below the bulb and eventually the whole plant
sucumbs to the infestation.   Oh well!

  Thanks again!    Any lucck on seeds on the Pseudohydrosmes???



  >The maggots you describe in your Hymenocallis must be what we here in
  >Holland call "Narcissis fly" (Merodon equestris, of the fly family
  >Sirphidae), a very destructive creature. The fly deposits one or a few
  >close to the neck of the bulb. The young maggots find their way down into
  >the bulb and eat it from inside out and you never saw it before they
  >or the bulb rots away. Bulbgrowers here who fear they may have infected
  >bulbs, put these in warm water for a while (or even hot, ca. 60 C for a
  >short while), which is supposed to kill the maggots. Other than that the
  >only safe way is to have a small net over the developing plant or keep
  >plant out of the open air (in a greenhouse). There are areas in Holland
  >where you simply cannot keep Amaryllidaceae out in the open.
  >Of course, this thing has nothing to do with fungus gnats.
  >   -----Oorspronkelijk bericht-----
  >   Van: aroid-l-owner@lists.ncsu.edu
  >[mailto:aroid-l-owner@lists.ncsu.edu]Namens Julius Boos
  >   Verzonden: maandag 5 juli 2004 15:14
  >   Aan: aroid-l@lists.ncsu.edu
  >   Onderwerp: Re: [aroid-l] Amorph Blues
  >   >From: Neil Gordon <neil@ng23.abelgratis.co.uk>
  >   >Reply-To: aroid-l@lists.ncsu.edu
  >   >To: aroid-l@lists.ncsu.edu
  >   >Subject: [aroid-l] Amorph Blues
  >   >Date: Sat, 3 Jul 2004 20:03:46 +0100
  >   Dear All,
  >   Allow me to put in my two-cents worth and suggestions of these fly
  >affecting the Amorphophallus corms.    I am going through a simular
  >situation on my job (commercial landscaping installations) with a large
  >number of native Hymenocallis lily plants.   The plant goes into a
  >when it should be thriving, and when you dig up a bulb you find some
  >larvae that look like a fly species (NOT the Lepidoptera larvae of moth
  >that sometimes affects these lily species) that have eaten the roots and
  >some of the basal layers of the bulb and are living in cavaties thay have
  >eaten into the underside of the bulb.     I think that perhaps both
  >and 'my' larvae are too large to be the lavae of the small balck insects
  >know as fungus gnats, and will try to collect a few more w/ bulb and
  >them in a large plastic container covered in saran wrap w/ some holes
  >in it, some dry soil below the bulb that th! e larvae can pupate in, and
  >what comes out!    We may be surprised, and I urge anyone who finds these
  >larvae to do the same, makes treatment MUCH easier IF one knows ones
  >I used this method to identify what insect made the large galls on leaves
  >a bay tree, a beautiful yellow-and-black 'bee-fly' emerged, plus many
  >ichneumon wasps that were parasitizing other fly pupae!
  >   Good Growing!
  >   Julius
  >   >Ok, after recieving two Amorphs from Wilberts yearly distribution,
  >   >i've been eagerly awaiting a bud to appear.
  >   >Every couple of weeks, ive been gently brushing aside the soil to
  >   >see if anythings happening.
  >   >Now, the A. Declinatus was only a very tiny corm less than 1cm
  >   >across, and started to make a pointy little bud shape not long after
  >   >i recieved it, (maybe a couple of weeks) and then stopped. Ok, was
  >   >still firm, and a good colour - up until today that is, when i
  >   >decided to check again as all of my other Amorphs are now either
  >   >well into bud or nearly in full leaf.
  >   >
  >   >So i brushed the soil aside, found the corm, still same size
  >   >(obviously!) still with the tiny bud shape on top, but to my dismay,
  >   >was squishy when held.
  >   >So i broke it in half and what was inside? One of these little
  >   >buggers.
  >   >http://www.ng23.abelgratis.co.uk/bug/damn_bug.jpg
  >   >It was (past tense intended!) about 5mm long.
  >   >
  >   >Does anyone recognise what it may be? Is it contagious? Should I
  >   >spray the soil of my other amorphs with insecticide?
  >   >
  >   >Fortunately the A konkanensis i also recieved is now starting to
  >   >bud, but the Declinatus was, of the 2, the one I realy wanted. Isnt
  >   >that always the way.
  >   >
  >   >ANY help apreciated. Thanks in advance.
  >   >
  >   >Neil
  >   >
  >   >On the plus side, the Titanum seeds have started to gernimate!
  >   >

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