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Lethal temperatures to bugs?
Hi, all,
I have a potted mini I recently brought in that has a small mealy bug infestation (1 unopened rose bud, 1 leaf bud.) The temp now in NYC ranges from 40-60F. I had brought the pot inside during the three consecutive days it hit freezing. That must have brought on some eggs to hatch. I wonder how low a temp the mealybugs can withstand. I wish to have temperature kill the sapsuckers instead of spraying chemicals on my dear mini. Don't want to damage the plant, though. I realize eggs can withstand freezing temps, and that some bugs burrow to survive. But I just want to freeze out the recent infestation. What temps are ideal to do so without hurting said mini? |
#2
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Lethal temperatures to bugs?
To be absolutely certain spray/rub
w/ vegetable oil. Smothers eggs and won't hurt plant. I know people keep recommending it but I have never had a good experience w/ switching plants between indoors and outdoors on a weekly basis. For 3 months in summer maybe, but not otherwise. The couple of times I've tried it I ran into all the problems you now see. Diseases and insects kept getting imported from the outside, the switch between cold and warm stops growth and blooming and it also hurt my back. Theo "Amy Chan" wrote in message om... Hi, all, I have a potted mini I recently brought in that has a small mealy bug infestation (1 unopened rose bud, 1 leaf bud.) The temp now in NYC ranges from 40-60F. I had brought the pot inside during the three consecutive days it hit freezing. That must have brought on some eggs to hatch. I wonder how low a temp the mealybugs can withstand. I wish to have temperature kill the sapsuckers instead of spraying chemicals on my dear mini. Don't want to damage the plant, though. I realize eggs can withstand freezing temps, and that some bugs burrow to survive. But I just want to freeze out the recent infestation. What temps are ideal to do so without hurting said mini? |
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