I do not rememeber the species. Is martha Washington possible name?

SteveW
Long Island NY


-----Original Message-----
From: IrisCohen
To: SteveWachs;
Sent: Sat, 18 Jun 2005 7:03:11 PM Eastern Daylight Time
Subject: [IBC] Hawthorn Bonsai


In a message dated 6/18/05 3:33:54 PM, SteveWachs writes:

it is a seesaw battle between the Crab Apples and the Junipers. I try to keep them separated.


I believe the necessary distance is 250 or 500 feet. You would have to ask an arborist.


It took on a different appearance with the Hawthorns. The bark swelled and took on witch's broom appearance


I don't think that is cedar-hawthorn rust, which shows up as typical orange spots on the hawthorn. It is more likely a bacterial or virus infection. What kind of hawthorn was it? The English hawthorns, C. xmedia, do not seem to be that prone to our native diseases. There is something that spoils the fruit, possibly a mite, so I spray a few times over the summer with Orthenex, which contains a fungicide as well as insecticide. It is very effective in preserving the fruit, preventing rust, and also dealing with elm leaf miners on elm bonsai. Here in Zone 5, people occasionally plant 'Paul's Scarlet' or 'Punicea,' which are quite hardy. They do not seem to be bothered by anything except the fruit blight. Old crabapple varieties are much worse off.
Iris

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