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? Rimmer 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. > > > > _______________________________________________ > pbs mailing list > pbs@lists.ibiblio.org > http://pacificbulbsociety.org/list.php > http://pacificbulbsociety.org/pbswiki/