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#1
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rot question
well that harlequin phal i posted about a bit ago ("wisdom of the
group" post) and that i thought i killed all the rot off of is showing rot again. (and yes, unfortunately the new growth *is* a spike instead of a basal keiki as some here had theorized; i'll have to whack it off i guess.) the leaves are still fat and waxy and it's still putting out nice fat roots. (in fact, it's the healthiest looking plant with rot i've ever seen. :-) so the question is, how often to treat with hydrogen peroxide without killing the plant? :-) is this a weekly thing, bi-weekly, every other day? your thoughts appreciated. TIA... --j_a |
#2
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I don't recall, are we talking crown rot?
If so, douse it thoroughly once with hydrogen peroxide. When it is totally dry, liberally sprinkle the affected area with cinnamon and keep the area dry. -- Ray Barkalow - First Rays Orchids - www.firstrays.com Plants, Supplies, Books, Artwork, and Lots of Free Info! .. "janet_a" wrote in message om... well that harlequin phal i posted about a bit ago ("wisdom of the group" post) and that i thought i killed all the rot off of is showing rot again. (and yes, unfortunately the new growth *is* a spike instead of a basal keiki as some here had theorized; i'll have to whack it off i guess.) the leaves are still fat and waxy and it's still putting out nice fat roots. (in fact, it's the healthiest looking plant with rot i've ever seen. :-) so the question is, how often to treat with hydrogen peroxide without killing the plant? :-) is this a weekly thing, bi-weekly, every other day? your thoughts appreciated. TIA... --j_a |
#3
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I'd use a new blade and cut it across the main trunk below the infected part
until I was sure I saw no evidence of brown streaks in the heart of the plant, treat with peroxide then seal with cinnamon. It should pup from the side. K Barrett "janet_a" wrote in message om... well that harlequin phal i posted about a bit ago ("wisdom of the group" post) and that i thought i killed all the rot off of is showing rot again. (and yes, unfortunately the new growth *is* a spike instead of a basal keiki as some here had theorized; i'll have to whack it off i guess.) the leaves are still fat and waxy and it's still putting out nice fat roots. (in fact, it's the healthiest looking plant with rot i've ever seen. :-) so the question is, how often to treat with hydrogen peroxide without killing the plant? :-) is this a weekly thing, bi-weekly, every other day? your thoughts appreciated. TIA... --j_a |
#4
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I'd use a new blade and cut it across the main trunk below the infected part
until I was sure I saw no evidence of brown streaks in the heart of the plant, treat with peroxide then seal with cinnamon. It should pup from the side. K Barrett "janet_a" wrote in message om... well that harlequin phal i posted about a bit ago ("wisdom of the group" post) and that i thought i killed all the rot off of is showing rot again. (and yes, unfortunately the new growth *is* a spike instead of a basal keiki as some here had theorized; i'll have to whack it off i guess.) the leaves are still fat and waxy and it's still putting out nice fat roots. (in fact, it's the healthiest looking plant with rot i've ever seen. :-) so the question is, how often to treat with hydrogen peroxide without killing the plant? :-) is this a weekly thing, bi-weekly, every other day? your thoughts appreciated. TIA... --j_a |
#5
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Hi group,
I noticed something weird on one of my phals the other day, and I was wondering if anyone else has seen this before. A Phal. Amaglad 'Hong' is putting out 2 new leaves simultaneously (from one crown). The first leave started growing a few days ago, and is maybe 1cm tall, and still growing. But last night, whilst misting, I noticed that from the centre of the new leaf was emergying another growth. I thought phals grew a leaf at a time. And the thing is, this isn't even a really healthy plant. It has some rot a while ago, and has lost a lot of the root system - is it now in the process of putting out some new roots. Cheers, Xi |
#6
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Hi group,
I noticed something weird on one of my phals the other day, and I was wondering if anyone else has seen this before. A Phal. Amaglad 'Hong' is putting out 2 new leaves simultaneously (from one crown). The first leave started growing a few days ago, and is maybe 1cm tall, and still growing. But last night, whilst misting, I noticed that from the centre of the new leaf was emergying another growth. I thought phals grew a leaf at a time. And the thing is, this isn't even a really healthy plant. It has some rot a while ago, and has lost a lot of the root system - is it now in the process of putting out some new roots. Cheers, Xi |
#7
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On Wed, 22 Sep 2004 20:45:45 GMT, "K Barrett"
wrote: I'd use a new blade and cut it across the main trunk below the infected part until I was sure I saw no evidence of brown streaks in the heart of the plant, treat with peroxide then seal with cinnamon. It should pup from the side. K Barrett "janet_a" wrote in message . com... so the question is, how often to treat with hydrogen peroxide without killing the plant? :-) is this a weekly thing, bi-weekly, every other day? your thoughts appreciated. TIA... --j_a When I used hydrogen peroxide for crown rot, I just watered the plant with almost 1/2 a bottle a time for about 6 weeks. I don't remember where but I had seen it written as the cure for crown rot. When ever I use Cinnamon I end up drying off too much plant. So I don't think it matters how often you use the hydrogen peroxide. SuE http://orchids.legolas.org/gallery/albums.php |
#8
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On Wed, 22 Sep 2004 20:45:45 GMT, "K Barrett"
wrote: I'd use a new blade and cut it across the main trunk below the infected part until I was sure I saw no evidence of brown streaks in the heart of the plant, treat with peroxide then seal with cinnamon. It should pup from the side. K Barrett "janet_a" wrote in message . com... so the question is, how often to treat with hydrogen peroxide without killing the plant? :-) is this a weekly thing, bi-weekly, every other day? your thoughts appreciated. TIA... --j_a When I used hydrogen peroxide for crown rot, I just watered the plant with almost 1/2 a bottle a time for about 6 weeks. I don't remember where but I had seen it written as the cure for crown rot. When ever I use Cinnamon I end up drying off too much plant. So I don't think it matters how often you use the hydrogen peroxide. SuE http://orchids.legolas.org/gallery/albums.php |
#9
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I've seen that happen on occasion, and fairly often the "first" new leaf
stalls and the second, surprise one keeps going. -- Ray Barkalow - First Rays Orchids - www.firstrays.com Plants, Supplies, Books, Artwork, and Lots of Free Info! .. "Xi Wang" wrote in message news:lAn4d.477681$M95.79581@pd7tw1no... Hi group, I noticed something weird on one of my phals the other day, and I was wondering if anyone else has seen this before. A Phal. Amaglad 'Hong' is putting out 2 new leaves simultaneously (from one crown). The first leave started growing a few days ago, and is maybe 1cm tall, and still growing. But last night, whilst misting, I noticed that from the centre of the new leaf was emergying another growth. I thought phals grew a leaf at a time. And the thing is, this isn't even a really healthy plant. It has some rot a while ago, and has lost a lot of the root system - is it now in the process of putting out some new roots. Cheers, Xi |
#10
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Oh, yeah, one more thing: the sentence that has the words "night" and
"misting" is not so good a sign. Leaving a plant damp in the evening is not a good idea, as that's a perfect invitation for rot. -- Ray Barkalow - First Rays Orchids - www.firstrays.com Plants, Supplies, Books, Artwork, and Lots of Free Info! .. "Xi Wang" wrote in message news:lAn4d.477681$M95.79581@pd7tw1no... Hi group, I noticed something weird on one of my phals the other day, and I was wondering if anyone else has seen this before. A Phal. Amaglad 'Hong' is putting out 2 new leaves simultaneously (from one crown). The first leave started growing a few days ago, and is maybe 1cm tall, and still growing. But last night, whilst misting, I noticed that from the centre of the new leaf was emergying another growth. I thought phals grew a leaf at a time. And the thing is, this isn't even a really healthy plant. It has some rot a while ago, and has lost a lot of the root system - is it now in the process of putting out some new roots. Cheers, Xi |
#11
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thanks all--i looked at the thing again this morning and it looks like
the rot* has spread down; i don't think i could cut it all the way to clean tissue. i probably should have whacked off the top a couple months ago. i tossed some cinnamon on it this AM cause i was in a hurry; i may try the pouring-H2O2-on-it-weekly thing until it gets better or it dies. if it gets better, great; if it dies, i have the receipt--and an excuse to go visit Al in the spring and pick out another harlequin. :-) --j_a * i don't know if this is actually crown rot or not; i thought CR could eat your plant in, like, 36 hrs? this is slower moving, but it's black, and sticky, and in the right place. (and yes the plant is isolated from all the others again.) |
#12
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thanks all--i looked at the thing again this morning and it looks like
the rot* has spread down; i don't think i could cut it all the way to clean tissue. i probably should have whacked off the top a couple months ago. i tossed some cinnamon on it this AM cause i was in a hurry; i may try the pouring-H2O2-on-it-weekly thing until it gets better or it dies. if it gets better, great; if it dies, i have the receipt--and an excuse to go visit Al in the spring and pick out another harlequin. :-) --j_a * i don't know if this is actually crown rot or not; i thought CR could eat your plant in, like, 36 hrs? this is slower moving, but it's black, and sticky, and in the right place. (and yes the plant is isolated from all the others again.) |
#13
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Hi,
Thanks for your comments Ray. I know it's not great to mist the roots in the evening, and they say you should do it in the morning, but sometimes if the aerial roots have been dry all day then I just can't help it. What is the reasoning behind the whole 'mist in the morning' maxim? I mean, I see no reason why fungi would be more likely to strike at night than during the day. Cheers, Xi Ray wrote: Oh, yeah, one more thing: the sentence that has the words "night" and "misting" is not so good a sign. Leaving a plant damp in the evening is not a good idea, as that's a perfect invitation for rot. |
#14
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Hi,
Thanks for your comments Ray. I know it's not great to mist the roots in the evening, and they say you should do it in the morning, but sometimes if the aerial roots have been dry all day then I just can't help it. What is the reasoning behind the whole 'mist in the morning' maxim? I mean, I see no reason why fungi would be more likely to strike at night than during the day. Cheers, Xi Ray wrote: Oh, yeah, one more thing: the sentence that has the words "night" and "misting" is not so good a sign. Leaving a plant damp in the evening is not a good idea, as that's a perfect invitation for rot. |
#15
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Nights are typically cooler, which is more favorable to fungal growth.
If your plants are THAT dry after a day, then you're not watering well enough and/or your environment is too dry. Misting the roots alone does not add all that much of a fungal threat. It's the crown I was concerned about. -- Ray Barkalow - First Rays Orchids - www.firstrays.com Plants, Supplies, Books, Artwork, and Lots of Free Info! .. "Xi Wang" wrote in message news:GMH4d.502911$gE.30543@pd7tw3no... Hi, Thanks for your comments Ray. I know it's not great to mist the roots in the evening, and they say you should do it in the morning, but sometimes if the aerial roots have been dry all day then I just can't help it. What is the reasoning behind the whole 'mist in the morning' maxim? I mean, I see no reason why fungi would be more likely to strike at night than during the day. Cheers, Xi Ray wrote: Oh, yeah, one more thing: the sentence that has the words "night" and "misting" is not so good a sign. Leaving a plant damp in the evening is not a good idea, as that's a perfect invitation for rot. |
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