White fuzzy patches on leaves, what is it and what to do about it?
newportbabe31
5 years ago
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Comments (6)
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White patches spreading on Calamondin leaves? Please help.
Comments (13)rhizo, thank you for answering. i somehow lost track of this thread, and just found it now. i do use rubbing alcohol mixes from 1/4 to 1/2 on just about everything, including crotons. both indoors and when they are outside. even sometimes give a quick wipe with pure rubbing alcohol if i see scale traces (honeydew): crotons and ivy and citrus are fine with that. and even indoor avocado. cleaned it up quick. i also use it to wipe leaves on amaryllis for greenhouse thrips (am in the middle of that infestation at the moment ;) , in hopes that it will damage the eggs embedded within leaves? (if they are there) - seems ok. sorry to digress, but the only plant that did not like it - was hydrangea (i was controlling powdery mildew with 1/3 solution?) - the leaves dried up and dropped off over sev weeks, not right away, but still... not very good. seems when i ask about stuff in sep threads i don't get many answers. so here it comes....just one more question if you see it: have you ever tried soil drench using alcohol solution? for thrips larvae specifically, but also may be for gnat larvae? i normally use neem oil for that, but it's not totally effective, just slows down things a bit. i search thru the web like a maniac - if it's out there, i'll find it. unfortunately specific info is very difficult to get. i will experiment with hort oil again on just a few ivy branches: diluting it by half to start. they do plague mine on hot balcony and indoors too. and i apologize again for digressing!...See MoreAn Aesculus with pure white leaves - what to do about it?
Comments (7)its rare.. but not unheard of.. in horticulture in general .. enjoy it.. study it ... and it will go away on its own ... we call them TERMINAL WHITES in the hosta world... with no chlorophyll ... unless they green up.. later in the season.. they will die ... can you tell if its off the big tree.. or a seedling??? .. the seedling will die for sure.. but even an all white bud/branch off the big tree.. will eventually fail ... and its not worth grafting.. since it will be terminal .. ken...See MoreWhite fuzzy patches growing on leaves
Comments (1)Fuzzy sounds like mealybugs. Or maybe cottony scales. Not sure if either of these are expected on bamboo, you can look them up and see. Where I live we very often get bamboo mites on bamboo, these make them look variegated....See MoreAdult plants, dying leaves, white patches, aphids, and seedlings?
Comments (4)Carolyn: Thanks for responding. I'd love it if you could figure out what's going on. I plan to see if my county extension can help, too, but I can't get to a phone during their hours for a few more days yet. I don't have a measurement for the humidity, unfortunately. I can say that in my house, a drink with ice develops condensation, my hair does not get staticy easily, and when the outside temp is around 20 or lower, my double-hung windows have condensation in a one-inch strip just above the joint between upper and lower windows. Until this week, I had the grow light sitting on a milk crate, so the light was hitting the plants from straight-on, sunset style. I finally got my ceiling beams located and some hardware installed and the light has been pointing down for about 4 days. It was when I moved things around in order to hang the light that I saw the white patches and how bad the aphids were in some spots. I've been spraying with soapy water so much now, the humidity may have increased! (Only one tomato had a lot of aphids, but I'm spraying that guy and all the non-tomato plants twice a day now) Thanks a lot for any help you can give, zeke...See More
Morgan Wiley
5 years agoPolypompholyx
5 years agoMorgan Wiley
5 years agorina_Ontario,Canada 5a
5 years agolast modified: 5 years ago
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