Grapes bearing messages and images on their skin thanks to sunlight-shielding stickers are expected to go on sale in the fall.The technique was developed last fall by central Japan's Yamanashi Prefecture, the biggest grape producer in the country, to promote sales of the fruit.Transparent stickers bearing messages or images such as a heart or Mt. Fuji can block off the sunlight and leave whitish marks on the skin if they are attached to a grape before it ripens and begins to color, according to the prefecture's Fruit Tree Experiment Station and Industrial Technology Center.European varietie…READ FULL ARTICLE