It had to be the Triazicide Once and Done

14 years ago

I have the most perfect crop of quinces ripening (well, weather permitting, which doesn't look promising) that I've ever had.

Ordinarily, Quinces are the most likely of anything I grow to be ruined by coddling moth. And, a lot of the reason is that I tend to slack off later in the summer with spraying them, since most of the other crops are already ripe or close to ripe. So, usually, a lot of misshapen, worm-infested quinces.

The only thing I did differently with the quinces this year was ONE application of a new product called Triazicide 'Once and Done' insect spray, which is some type of time-released (?) or stabilized (?) insecticide I found at Lowes this year just by chance as I was walking down the pesticide aisle. I sprayed the quince tree once in June with this stuff. It says on the label it protects for 2 months.

While I haven't done a specific count or anything, I would say that, based upon a visual inspection of the tree, 9 out of 10 of the fruit are essentially perfect, and the 1 out of 10 that isn't has relatively minor or minimal damage. On the whole tree, which probably has several hundred fruits, I can only find a handful that look like "shrunken heads" with serious enough damage to distort the fruit.

I know some others here have commented on this product. Just thought I'd share this with you.

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Comments (13)

olpea
14 years ago
Dennis,

Thanks for the report. Triazicide is basically the same thing as the commercial product Proaxis. Like any pyrethriod, it doesn't really last two months. The residual effect of most pyrethroids is about two weeks, at most. High temps reduce residual effect of pyrethroids, as well as rainfall. As you're aware, you probably just got lucky with a prefect timing of the first generation of CM. Commercial growers try to get the first generation, and if successful, generally don't have much of a problem with the second generation.
myk1
14 years ago
I don't know the science of it but I didn't even try to spray the Triazicide with CM in mind and I haven't seen any damage from them.
Maybe I got lucky and got them while spraying for PC, but whatever happened it worked.
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Several of the orchards I manage are being sprayed with Asana, a commercial pyrethroid that would probably provide similar results as triazide. We've been using it for a couple of years and the orchards sprayed with it have been as well protected as those with Imidan as far as plum curculio is concerned. The pyrethroids do a better job on stinkbugs and other plant bugs. Imidan may be better in commercial settings for PC but in home orchards the pyrethroids appear to be fine. We are using it in a basic 2-spray (not counting delayed dormant oil) here although E. plums often seem to need a third insecticide spray to avoid a lot of PC damage at some sites no matter what you use. For home orchards, I don't think Imidan is at all the ticket. Much too messy to make small batches.
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glenn_russell
14 years ago
Thanks for the report Dennis. Although I bag my apples right now, at some point, I may not have the ambition to keep up with my ever growing trees. Considering the problems of Imidan, and the no-spray-after-pedal-fall of Permethrin, 'Triazicide Once and Done' looks like it will probably be my choice. My only reservation was that there are only a couple people using it here. Hearing additional positive reports is good to see! Thanks! -Glenn

P.S. At some point, I'll be looking for exact timing/schedule for my apples for it.
denninmi
Original Author
14 years ago
Olpea wrote: "The residual effect of most pyrethroids is about two weeks, at most. High temps reduce residual effect of pyrethroids, as well as rainfall. "

Well, if that's the case, the weather was certainly in its favor this year. Almost no rain from mid-June until early August. And, a record cold July, with a lot of nights in the 40's and days generally in low 70's, with some only in the 60's.
malusmaven
14 years ago
After my liberty (PC magnet)got wacked by PC , I sprayed once and done on my macs, rox russets and winesaps. Even though I have imidan , i wanted to start with something less lethal.The triazicide was effective with 3 sprays 10 days apart. Will use earlier next year.
MM
alan haigh
14 years ago
Whereas here in the northeast we had relentless rain and my 2 Imidan spray approach was the least succesful ever. I still got great protection at most sites but in my own orchard anything russeted- like Asian pears and Hudson's Golden Gem, were badly damaged by CM and other issues. Also, I lost most of my Euro plums to PC.

Everything else, from Jap plums to most other apples to nectarines did just fine except I may be seeing some apple fly maggot damage for the first time (oh no!).

We actually only had a month of summer instead of 3 and I'm hoping that my important apples manage to ripen adequately. The 2 trees I'm counting most on to get me through winter are Goldrush and Braeburn and they're still a bit green.
thomis
14 years ago
Are others seeing good results with Triazicide against PC?
joe-il
14 years ago
Thomis- ya I had success last year with it. Even with rain every couple of days I got away with 2 sprays (IIRC) 1 at petal fall and another 10 days later. Apples were free of insect damage. Scab, was another issue..
thomis
14 years ago
Thanks joe. I wonder if the CAR spray (myclobutanil sp?) would help with scab as well?
olpea
14 years ago
Thomis,

The biggest concern about Triazicide (as with any pyrethroid) is the potential for mite outbreaks in pomes with repeated use, so that's something to keep an eye on.
joe-il
14 years ago
Ya, immunox(car). Just picked up another bottle today. :) I mix with captan. Hopefully, I got it on early enough. This season really got me before I was ready.
alan haigh
14 years ago
Don't worry, scab won't progress after the application of Immunox if you follow up. It's not like Captan, it dries the stuff up retroactively(unless it's resistant).
denninmi
Original Author
14 years ago
Since someone resurrected this thread, I was re-reading my original comment, and I have a question.

Was I right in blaming the "shrunken head" look of these fruit (i.e, distorted, knobby, etc) on Coddling Moth?

I am not sure that is the pest that would cause this.

Doesn't coddling moth hit later in the season and burrow in, causing brown spots, tunnels, and frass (bug poop and debris)?

But, not so much with the distorted fruit.

I suspect more than one pest is involved -- the other being either curculio or apple maggot?

Could this be the case?

It had to be the Triazicide Once and Done

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It had to be the Triazicide Once and Done

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