aphid control was Cyanella seedling advice

Brad King brad@alpinepfl.com
Tue, 18 Feb 2014 17:10:51 PST
Rimmer, Daconil will have no effect on moss or algae. Brad.

-----Original Message-----
From: pbs-bounces@lists.ibiblio.org [mailto:pbs-bounces@lists.ibiblio.org]
On Behalf Of Rimmer
Sent: February 18, 2014 7:40 PM
To: Pacific Bulb Society
Subject: Re: [pbs] aphid control was Cyanella seedling advice

Hi Brad
Thanks all for you help

the Daconil was misted on the plant and it burned under the hot T-5 lights,
that was my first day lesson with T-5s . i quickly added a fan and turned
off 4 of the lights. 

will Daconil stop moss or green slime growth in germination boxes of damp
peat with tiny streptocarpus seeds?


On Feb 18, 2014, at 7:20 PM, Brad King <brad@alpinepfl.com> wrote:

> Hi Rimmer,
> Firstly Daconil is a fungicide. If you are using a liquid or flowable 
> formulation there are both oil base products and water based products. 
> If you are getting phytotoxicity it is probably the oil carrier. It 
> will be related to either the concentration of the solution or rate of 
> application, especially on tender or young or sick plants. (Did you 
> give a quick misting or did you apply to a point of run off?) Daconil 
> is a great fungicide if you need one. Don't give up on it. If you need 
> to use it in the future and are concerned about burn, apply it in the 
> evening or on a cloudy day. If it's under lights turn the lights off for a
period of time.
> Same thing for the insecticide Merit or Admire. There are many 
> different formulations of this insecticide. It's hard to say if the 
> rate is OK. These products are used as a soil drench in many 
> commercial situations. It is possible to damage the plants with over 
> applying a drench as well. It is a systemic and is taken up by the 
> plant. The plant has to deal with the chemical in its system.
> I hope this helps you out . Brad.
> Ontario Canada, Zone 5b
> Warm 0 C/32 F and 6 more inches of snow today. 
> aphid control was Cyanella seedling advice Rimmer (Tue, 18 Feb 2014 
> 09:56:18 PST)
> on advice of someone directly in hopes of ending the aphids i have 
> soaked all my pots with a Merit based insecticide (Bayer Tree and 
> Shrub) - 1 tsp per 1 quart, is this too strong a solution?
> the aphids came with Oxalis callosa and O. obtuse - i tried Daconal 
> which scorched the Oxalis leaves under the T-5 lights so i used the 
> insect soap which does very little.
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