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Leaf Curl

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Leaf Curl

Post by paulh on 26th August 2014, 23:04

Allways something new bugs my roses at the start of each season, this year most of my roses seem to be suffering with leaf curl. Apart from curling they seem to dry out and crumble in your fingers, I can't see any insects, there's no sign of black spot or mildew. Any thought would be appreciated.
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Re: Leaf Curl

Post by Ausrose on 27th August 2014, 08:35

Rose-leaf curl is a virus that causes leaves to curl and may also lead to a yellowing of the foliage. This maybe the reason but more than likely it is related to insect damage. What I would suggest is a good spray of Natrasoap and see what happens.

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Re: Leaf Curl

Post by The Lazy Rosarian on 27th August 2014, 12:14

Photo's please Paul, there could be other things happening
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Re: Leaf Curl

Post by paulh on 27th August 2014, 22:27

Ok, I got busy with the camera and tried to fit a few pics into one photo, hope peoples can see, I noticed that even my iceberg has got leaf curl, usually nothing touches it.
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Re: Leaf Curl

Post by The Lazy Rosarian on 28th August 2014, 06:07

First off Paul, since pruning have you changed any of the your practices with them.
Food, water, temps, wind ?
Is it only on the fresh new growth and does it persist on the older leaves ?
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Re: Leaf Curl

Post by neptune on 28th August 2014, 10:25

and Paul...have you been too excited with extra fertilizer.....
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Re: Leaf Curl

Post by Ausrose on 28th August 2014, 10:33

After seeing the photos it could be spray problem.

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Re: Leaf Curl

Post by paulh on 28th August 2014, 15:11

Thanks guys. A couple of things. I havent fertilised yet I have only lime sulphured 2 times in the past 3 weeks I have done no different to any other. It seems to only effecting new growth with the leaves curling and drying out. Cant see any bugs an certainly no mites and or mildew or b spot. Hmmm
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Re: Leaf Curl

Post by Ausrose on 28th August 2014, 15:26

Did you lime sulphur on the leaves at Winter strength?

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Re: Leaf Curl

Post by Balinbear on 28th August 2014, 17:04

The leaves look a bit "burnt". Well not so much burnt but maybe burnt internally or something.
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Re: Leaf Curl

Post by The Lazy Rosarian on 28th August 2014, 17:41

Lime Sulphur appears to be the problem, twice in 3 weeks, a bit of overkill, what were the temperatures when this was done Paul.
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Re: Leaf Curl

Post by neptune on 28th August 2014, 20:30

and did you do it when the sun(when it showed its face) was on the roses........

*cough*..must have...you don't get up till 10am.... Wink
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Re: Leaf Curl

Post by The Lazy Rosarian on 28th August 2014, 20:59

Do not be cheeky John, older people get up later.
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Re: Leaf Curl

Post by neptune on 28th August 2014, 21:24

roseman wrote:Do not be cheeky John, older people get up later.

not been cheeky......there is another posts where he says he gets up after 9am and goes to be after 1am..... Sleep
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Re: Leaf Curl

Post by paulh on 28th August 2014, 21:26

neptune wrote:and did you do it when the sun(when it showed its face) was on the roses........

*cough*..must have...you don't get up till 10am.... Wink

Awe John, you know me well lol, well sometimes I do sleep in sometimes.

Most of my spraying gets done in the late arvo or early evening,
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Re: Leaf Curl

Post by paulh on 28th August 2014, 21:27

roseman wrote:Do not be cheeky John, older people get up later.

hang on who's old lol, I'm not a decaying fossil yet
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Re: Leaf Curl

Post by paulh on 28th August 2014, 21:29

Ausrose wrote:Did you lime sulphur on the leaves at Winter strength?

Yep, 20mls a litre, I have never had a reaction like this in using sulphur before
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Re: Leaf Curl

Post by paulh on 28th August 2014, 21:30

roseman wrote:First off Paul, since pruning have you changed any of the your practices with them.
Food, water, temps, wind ?
Is it only on the fresh new growth and does it persist on the older leaves ?

on closer inspection today, I do have the curling on some older foliage as well
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Re: Leaf Curl

Post by The Lazy Rosarian on 28th August 2014, 21:30

John is young
Paul, I am older, we are unsure of your "vintage"
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Re: Leaf Curl

Post by neptune on 28th August 2014, 21:33

paulh wrote:
roseman wrote:First off Paul, since pruning have you changed any of the your practices with them.
Food, water, temps, wind ?
Is it only on the fresh new growth and does it persist on the older leaves ?

on closer inspection today, I do have the curling on some older foliage as well

older foliage.......didn't you defoliate on pruning?.. scratch
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Re: Leaf Curl

Post by neptune on 28th August 2014, 21:35

roseman wrote:John is young
Paul, I am older, we are unsure of your "vintage"

*cough*...don't I have 4-6mths on you?......
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Re: Leaf Curl

Post by paulh on 28th August 2014, 21:39

roseman wrote:Lime Sulphur appears to be the problem, twice in 3 weeks, a bit of overkill, what were the temperatures when this was done Paul.

Dave, I usually do the lime sulphur at this time of year 3 times at 2 week intervals

Also the leaves seem to also have a bubbling effect as well

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Re: Leaf Curl

Post by paulh on 28th August 2014, 21:42

neptune wrote:
paulh wrote:
roseman wrote:First off Paul, since pruning have you changed any of the your practices with them.
Food, water, temps, wind ?
Is it only on the fresh new growth and does it persist on the older leaves ?

on closer inspection today, I do have the curling on some older foliage as well

 older foliage.......didn't you defoliate on pruning?.. scratch

Yes I did strip them, what I meant by older foliage, was that the new leaves coming out now have curl as well as some of the leaves even though they are new are a lot bigger, if that makes sense.
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Re: Leaf Curl

Post by paulh on 28th August 2014, 21:44

neptune wrote:
roseman wrote:John is young
Paul, I am older, we are unsure of your "vintage"

*cough*...don't I have 4-6mths on you?......

Hmmm, I think so, I have always been a night owl, reminds me of that song: I do my best work after dark lol
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Re: Leaf Curl

Post by paulh on 28th August 2014, 21:46

roseman wrote:John is young
Paul, I am older, we are unsure of your "vintage"

Well, here goes, I am 59, right on the verge of being a senior gent roflmao
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Re: Leaf Curl

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