thus, researchers from the joint institute of genetics of the us department of energy and institute ofresearch of valencia and checked, that is, determined the nucleotide sequence of dna and rna or thirty species of plants of the genus citrus, by this time they had the results of another study in their hands. they analyzed the already known genomes of 28 species of this plant genus and the genus sivirinia. this, by the way, is also a relative of citrus fruits. the result of this long and voluminous study was the conclusion that citrus fruits appeared about eight million years ago in northeastern india and the southeast. in china, these assumptions are confirmed by archaeologists. over the next 2 million years , citrus fruits spread throughout tropical asia and then to many regions of the planet, but with a great delay. yes egypt citron. it arrived only 2,500 years ago, and europe tried citrus fruits only at the beginning of our era. you will probably be surprised, but lemons were brought to belarus earlier than potatoes ; citrus fruits appeared on the tables back in the 15th century, w