Esrog from Shemitta Year

MR JEFFREY I ZUCKERMAN (TNFM42A@prodigy.com)
Fri, 27 Dec 1996 01:33:11, -0500

I have been taught that one who uses on Succos an esrog that grew in Eretz
Yisroel during a shemitta year (the last year of the 7-year agricultural
cycle) should try to return that esrog to Eretz Yisroel after Succos where
it should be left to rot. My understanding is that it would not be
permissible to eat such an esrog.

Jeff Zuckerman