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Post by Deleted on May 2, 2014 4:00:23 GMT
I am looking to gain better control of red spider mites on my dahlias this season.
With this in mind can anybody recommend a good insecticide ?
The two I have earmarked are Majestic and Dynamec, the latter is more for the control of two spotted spider mite which to my knowledge I dont suffer with.
Mark
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Post by scrumpy on May 2, 2014 6:25:38 GMT
I use dynamec, but am also trying some of these this year spider miteprovado ultimat if i see a few signs on the odd plant in the greenhouse, pyrethrum as a broad spectrum and sb as it seems to cover a lot of problems. |
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Post by steve2t on May 3, 2014 15:09:14 GMT
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Post by sweetpea on May 3, 2014 17:34:31 GMT
RSM is reputed to dislike wet/damp conditions and do seem to thrive where it is warm and dry so regular spraying/misting with water should help to control them.
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Post by Deleted on May 6, 2014 12:10:46 GMT
Thanks Steve, Avid is the American trade name for Dynamec. Mark |
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Post by Deleted on May 6, 2014 12:16:30 GMT
RSM is reputed to dislike wet/damp conditions and do seem to thrive where it is warm and dry so regular spraying/misting with water should help to control them. Yes Sweetpea, RSM thrive in hot dry conditions such as what we had last year. I think the main problem with them we spray for various other pests throughtout the season and these same pests are the spider mites natural preditors. So in a way the elimination of one lot of pests creates a problem with another. Not that I want to really allow aphids to breed on my plants just because they eat RSM. A natural oil based agent seems to be the way to go which restricts or suffocates the lifecycle. Mark |
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