A 22:41 10.12.05 -0500, vous avez écrit : >>>> I suspect that the apple tree that bears these fruit is infected with the dapple apple/scar skin viroid. <<<<
Thank you very much Dave and Jean-Marc. The informations you have provided are very informative and useful. In addition, I have found some pictures of this disease on the internet and unfortunately I have to agree with your diagnosis. I say unfortunately because from what I can see, there is no other issue than destruction of the affected tree. There doesn't seem to be any cure! And there is a risk of this viroid to spread to the rest of the orchard - a risk I am not ready to take! This seems to be a pretty exotic and rare disease. I probably have introduced it when I grafted some Wealthy apple on this seedling root in 1986. The source tree was obviously infected. To Jean-Marc, I also found a "fiche descriptive" en francais from the INRA here: http://www-intranet.angers.inra.fr/dossiers/virus/fichvir4.html where the first picture corresponds to the damage I can see on my tree. Also, the second picture on page 2 of the CTIFL document is very similar to my problem. Thanks for the help. Claude Jolicoeur Orchardist and cider maker Zone 4, Quebec -------------------------------------------------------------------------- The 'Apple-Crop' LISTSERV is sponsored by the Virtual Orchard <http://www.virtualorchard.net> and managed by Win Cowgill and Jon Clements <[email protected]>. Apple-Crop is not moderated. Therefore, the statements do not represent "official" opinions and the Virtual Orchard takes no responsibility for the content.
