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white areas on leaves

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white areas on leaves

Post by rydinfly on Wed Nov 02, 2011 7:09 pm

my platyloba passi recently started showing whites marks on leaves. they are inbetween its veins, starting from the outside of the leaf and extend almost to the center vein. I dont think it sunburn because they were doing fine in the spot they have been in. I did change their fertilizer because the one I was giving them lacked some important nutrients. does anyone have any ideas on what to do?



rydinfly

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Re: white areas on leaves

Post by Nick on Wed Nov 02, 2011 8:11 pm

Hey,

Fortunately for us figuring out a plants problems is just a simple case of process of elimination. There are four main reasons a plants leaves would act this way.
1. Sunburn
2. Fertilizer burn
3. Temps are causing the plant to start towards dormancy with leaf die back.
4. a virus.

Right away out of the listed I would rule out virus so you can work out between the remaining three. As you said you dont thinks its sunburn because you have not changed its lights then your dwon to two( though I have really only seen leaves like that from sunburn)
The remaining two are temps and fertz. Giving that its now fall you might want to see if its not the cold nights that are doing it. And finally you mentioned you recently changed the fertz. I have moved to organic compost and organic fertz, but I woud recomend a light fertilizer such as a easy bloom or organic root booster instead of any artificial fertilizer that might shock the plant. The difference between a fertilizer burn and sunburn on a plant are as followed. Fertilizer is absorbed and extended to the leaves through the viens, fertilizer burn is then noticed more so in the vains of the leaves then the leaf itself like sunburn does. I would say in my oppinion its ether sunburn or temps. And if you swear its not sunburn then you should have your answer. Sorry I wrote so much I figure this can help in the future as well with process of elimination.
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Re: white areas on leaves

Post by Nick on Wed Nov 02, 2011 8:15 pm

And as to what to do,
Bring the plant to a warmer location maybe indoors.
For fertilizer worries flush the soil pot with a few gallons of water to remover any excess fertilizer that might be causing damage.
For sunburn, remove all ugly leaves and just let new growth start.
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Re: white areas on leaves

Post by rydinfly on Wed Nov 02, 2011 8:59 pm

thanks a lot. the info is useful. I think its fertilizer burn. ill flush it.

rydinfly

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Re: white areas on leaves

Post by Nick on Thu Nov 03, 2011 5:30 am

Hey rydinfly,

No problem, I hope your passi gets better soon. Thanks for joining the forum, please feel free to post any other questions you might ever have. There are many poeple here to help, and talk to! I hope to see a few pictures of your passiflora in the photos some day as well.

Nick
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Re: white areas on leaves

Post by tropique on Thu Nov 03, 2011 8:24 pm

good evening

Thank you Nickisking.Ces Information m were Very Useful.
Some of my passion go dormant pour hiver.Elles are the In the Garden:
-T °: 20 ° C --- 12 ° C
- Humidity: 85 %
question:
How much liver should be watered?

thank you

tropique

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Location : Casablanca-Morocco

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Re: white areas on leaves

Post by Nick on Fri Nov 04, 2011 3:19 am

Hey Tropique,

I can not figure out what liver is unless its leter? How much should a dormant passiflora be watered in a garden, or in your home? Im very sorry. If the plant goes dormant Then ether way it should almost never be watered. If its outside then nature should keep them wet enough from rains or snows. (If there is snow make sure there is a good mulch or messege me for an easy way to grow the roots to a safe depth) If they are in pots, then just water them lightly when the soil gets really dry. They dont use to much water and the roots end up sitting and rotting in the damp soil. If this didnt answer what you were asking just let me know and ill change this.
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Re: white areas on leaves

Post by tropique on Fri Nov 04, 2011 8:27 pm

Good evening Nichisking

You answered exactly to my question.J have understood.
You are a wealth of knowledge, and help you beaucoup.Merci
In Casablanca, the has never seen the neige.Minimum: 12 ° C in winter.
A 10 rain in 15 days hiver.Le Rest of year, it never rains.
N What I use manure as engrais. I keep my plants in the garden: ( bad odor)

Thank you for your advice
cordially
tropique

tropique

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