Diospyros virginiana fruited "yates", which is a late ripening variety) remain astringent even when the fruit has become completely soft (at least in the British climate). Frost, however, destroys the cells within the fruit, causing it to rot instead of ripen. Only completely ripe and soft fruit can stand some frost; it will then dry and become even sweeter (hence the misconception). The same goes for the Oriental persimmon ("Diospyros kaki"), where early frost can severely damage a fruit crop. Diospyros virginiana Diospyros virginiana is a persimmon species commonly called the American persimmon, common persimmon, eastern persimmon, "simmon", "possumwood", "possum apples", or
Products produced from The Simpsons stated that nicotine could be found in the tomato plant after grafting. Due to the academic and industrial importance of this breakthrough process, this article was reprinted in a 1968 "Scientific American" compilation. A "Simpsons" fan, Rob Baur of Lake Oswego, Oregon, was inspired by the episode. Remembering the article in a textbook, Baur cultivated a tomacco in 2003 by grafting together tobacco and tomato plants. The plant produced fruit that looked like a normal tomato, but Baur suspected that it contained a lethal amount of nicotine and thus would be inedible. Testing later proved that the leaves of the