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soulboysoulboy Posts: 429

Apologies for this crosspost and lack of a title (no edit function for the title!). For some reason this post ended up in the talkback forum. I've had a few replies which said this is not a fungal infection but stress on the plant. I would like more opinions as to whether I should prune this jasmine at the moment, to make it less dense at the centre and then tie in the very long new growth.

I think my beloved winter jasmine has a fungal infection. It appears to be affecting some of the branches as well as the leaves. I'm not absolutely certain because I can't remember if the leaves change colour like this before dropping.

Also, I have read somewhere about quite a nasty fungus that produces this red colour on leaves and branches. It's been in the ground 3 years now and I've been training it up the arch in the photo'. I pruned it quite hard this spring after it finished flowering to get rid of cross branches and straggly and unproductive ones.

It has responded with a lot of new growth, some of it extending a couple of metres from the centre and it has become quite bushy and dense. I've included some photo's of healthy, dark green leaves for comparison.

So, could anyone confirm that it has a fungal infection, and if so would you cut out all the infected growth. I have sprayed it with a fungicide as a precaution.

And, would people with more knowledge than me cut out some of the central, woodier older growth in the centre and train the longer newer growth. I do know that a plant needs good air circulation to help in avoiding fungal diseases.

In fact, many of my plants have suffered from fungal infections this year, roses, sweet peas, calendula, and hollyhock. I put it down to the very mild and wet winter and spring.

http://i1210.photobucket.com/albums/cc413/funkydance/My%20Garden%202014/2014-08-23110349.jpg

 

 

http://i1210.photobucket.com/albums/cc413/funkydance/My%20Garden%202014/2014-08-23110410.jpg

 

 

http://i1210.photobucket.com/albums/cc413/funkydance/My%20Garden%202014/jasminfungus.jpg

 

 

http://i1210.photobucket.com/albums/cc413/funkydance/My%20Garden%202014/2014-08-23110420.jpg

 

 

http://i1210.photobucket.com/albums/cc413/funkydance/My%20Garden%202014/2014-08-23110439.jpg

 

 

http://i1210.photobucket.com/albums/cc413/funkydance/My%20Garden%202014/2014-08-23110452.jpg

 

 

Posts

  • Dave MorganDave Morgan Posts: 3,123

    Soulboy, that doesn't look like a fungal infection. Have a look at the link below and see if any of it fits your situation.

    http://www.gardeningknowhow.com/ornamental/flowers/jasmine/treating-jasmine-leaf-drop.htm

  • soulboysoulboy Posts: 429

    Thanks Dave, I've read that. There's no leaf drop, but some of the leaves have dried out. I'm waiting for the ground to dry out a little after the heavy rain before giving it a good feed, as some people have suggested in the talkback forum.

    Also, generally, the leaves are going red rather than yellow, and theres dark mottling on some of the branches.

  • soulboysoulboy Posts: 429

    Sorry about the delay but thanks to everyone who responded. I realise that I will reduce the flowering by pruning. I'm just going to wait for the soil to dry out a little and then prune out some of the central branches to create some airy space and then feed/mulch it for the winter.

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