Problem with a Chinese Elm

We have some unique pests to deal with in Australia. Post your experiences and treatments here for others to learn from.
Post Reply
User avatar
Kittie
Aussie Bonsai Fan
Aussie Bonsai Fan
Posts: 5
Joined: October 8th, 2013, 10:52 am
Bonsai Age: 1
Location: Sydney

Problem with a Chinese Elm

Post by Kittie »

In the past couple of weeks The leaves on the leader of this Chinese Elm(? not sure of species) have begun to die off. No sign of disease or pest, they just go yellow and die off.
I'm worried that the whole branch is dying off, whereas the growth towards the back of the plant is strong.
Image

Is there a way that I could try reinvigorating it, or is it a lost cause? It was repotted about a year ago, and pruned during spring thanks to the cat having a chew.

Thanks!

Kittie
User avatar
Bougy Fan
Aussie Bonsai Fan
Aussie Bonsai Fan
Posts: 2599
Joined: February 9th, 2010, 5:52 pm
Favorite Species: Bougainvillea, Ficus and Swamp Cypress
Bonsai Age: 4
Bonsai Club: RBS
Location: Brisbane
Has thanked: 1 time
Been thanked: 54 times

Re: Problem with a Chinese Elm

Post by Bougy Fan »

Hi Kittie I am not sure it's a Chinese Elm - some closer photos would help. Have you been fertilising recently ? It could be that the plant is hungry. Where is it kept as well ?
Regards Tony

"The problem with quotes found on the Internet is that it's hard to be sure of their authenticity." Abraham Lincoln
User avatar
Kittie
Aussie Bonsai Fan
Aussie Bonsai Fan
Posts: 5
Joined: October 8th, 2013, 10:52 am
Bonsai Age: 1
Location: Sydney

Re: Problem with a Chinese Elm

Post by Kittie »

Bougy Fan wrote:Hi Kittie I am not sure it's a Chinese Elm - some closer photos would help. Have you been fertilising recently ? It could be that the plant is hungry. Where is it kept as well ?
I'm really not sure what it is.
I seasol'd it a few weeks ago, and its kept in full sun in the morning, then shaded after about 1pm.
shibui
Aussie Bonsai Fan
Aussie Bonsai Fan
Posts: 7930
Joined: August 22nd, 2009, 8:41 pm
Favorite Species: trident maple
Bonsai Age: 41
Bonsai Club: Albury/Wodonga; BSV; Canberra; VNBC
Location: Yackandandah
Has thanked: 81 times
Been thanked: 1627 times
Contact:

Re: Problem with a Chinese Elm

Post by shibui »

Chinese elm and many other trees have strong apical dominance - they like to grow up at the top. If you let the upper shoots grow cascading parts of the tree often get weak and die because the tree puts all its energy into the branches that are growing upward. From your (dodgy) picture I'd guess that is what is happening to your tree.
Shade and lack of feed make the problem worse. note that seasol is not really a fertiliser. It is ok to use it but the tree will also need some real fertiliser as well.
If you prune the upper parts hard and keep them well trimmed back it might come good. the other alternative is to restyle as a more upright tree.
http://shibuibonsai.com.au/" onclick="window.open(this.href);return false;
User avatar
Sno
Aussie Bonsai Fan
Aussie Bonsai Fan
Posts: 1220
Joined: January 16th, 2011, 12:26 pm
Bonsai Age: 0
Location: Crackenback NSW
Has thanked: 524 times
Been thanked: 627 times
Contact:

Re: Problem with a Chinese Elm

Post by Sno »

image.jpg
Hi Kittie . Chinese elm have alternate leaves ,your tree looks like it has opposite leaves more like a privet or olive . Just in case your not sure , when shibui talks about apical dominance he is talking about what you describe as your back branches which are growing higher than what you describe as your leader .
User avatar
Sno
Aussie Bonsai Fan
Aussie Bonsai Fan
Posts: 1220
Joined: January 16th, 2011, 12:26 pm
Bonsai Age: 0
Location: Crackenback NSW
Has thanked: 524 times
Been thanked: 627 times
Contact:

Re: Problem with a Chinese Elm

Post by Sno »

image.jpg
You do not have the required permissions to view the files attached to this post.
Post Reply

Return to “Pests and Diseases”