??? ?? ?? ???? ???? ?? ??? ???? ??? ??? ?? ????? ???? ????? ???? ???? ?? ??? ??? ??????????? ???? ??? ???? ??? ?? ??? ??? ?? ???? ???? ?? ????? ?????? ?? ??? ??? ????? ???? ???? ?? ???? ???? ????.??? ??? ???? ??????? ?? ??? ??? ?? ??? ????????? ???? ???? ??? ??? ? ?????? ??? ??? ?? ??? ???? ???? ???.Given that the interfertility of oranges and vari