help id this lemon

encinomanAugust 23, 2010


I could use some help ID'ing this lemon, and by extension the tree it came from. We live in Encino CA, and are not sure whether we have an old tree that's gone "bad" or some species we not familiar with.

All the fruits are hollow in the center and very thick skinned compared to store bought lemons. (see pic) As far as taste, its very mild, not very sweet or sour.

The tree is very thorny. The tree's newer branches seem to be growing longer (1 inch ) thorns. So part of this research is for figuring a pruning strategy.



Here is a link that might be useful: lemon picture

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ashleysf(9 San Jose,CA)

Seems like the rootstock has takenover the grafted scion in your tree and hence you are seeing the extremely thorny branches and insipid fruit of the rootstock taking over the tree.
I suggest that you take a really close look at the bottom part of the trunk of your tree to figure out whether you have a graft line visible. Also check if there are two "types" of foliage and two types of fruit. If so, then the thornier part with the useless fruit (which I am assuming has taken over the tree) needs to be pruned to below the graft line. In time the scion will take over again and your tree might get healthy. On the other hand, you can get rid of the existing tree and make a fresh start to save time and effort. Keep us posted.

    Bookmark   August 24, 2010 at 10:53PM
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Yes, agree completely with ashleysf.
Looks to me like Rough Lemon (Citrus jambhiri)- often used as rootstock - has taken over. A google will give plenty of info on this variety.

    Bookmark   August 25, 2010 at 6:10PM
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