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#1
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uber thrips
I'm in atlanta (zone 7) and I've always had problems with thrips and
blackspot. I've made a concerted effort this season to spray - and spray consistently and the blackspot is thankfully under control. However, in the past two weeks or so, with the return of cooler weather, I'm just starting to get my fall buds. Problem is even with spraying - every single new bit of growth is covered with thrips. I spray and two days later whatever new growth I have now has thrips. Any suggestions? Have my roses grown resistant to my spray? Thanks in advance from an amateur gardner. |
#2
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Is it thrips or aphids? Normally thrips invade only the buds, at
least on my roses. Aphids generally attack new growth. If it's aphids use a blast of water to knock them off the plants. You may have to do this everyday, but it's the best control I've found, plus it's cheap, easy and non toxic. To answer your next question, fungal diseases can become resistant to sprays. It is recommended to alternate sprays so this doesn't happen. On Sun, 29 Aug 2004 01:19:23 GMT, "Harlett O'Dowd" wrote: I'm in atlanta (zone 7) and I've always had problems with thrips and blackspot. I've made a concerted effort this season to spray - and spray consistently and the blackspot is thankfully under control. However, in the past two weeks or so, with the return of cooler weather, I'm just starting to get my fall buds. Problem is even with spraying - every single new bit of growth is covered with thrips. I spray and two days later whatever new growth I have now has thrips. Any suggestions? Have my roses grown resistant to my spray? Thanks in advance from an amateur gardner. |
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