"The super millionaire fruits of the Alma Mater": this is how Corriere della Sera headlined years ago when announcing the results obtained by researchers from the Department of Agri-food Sciences and Technologies of the University of Bologna on the cherry tree genetic improvement project: the seven Sweet® sisters, the new varieties named after the children or loved ones of their inventors.
A team led by Stefano Lugli who, starting from old indigenous varieties, the famous Duroni di Vignola, bearers of valuable traits such as sweetness, texture and aroma, has been able to combine these virtues with others, such as beauty, size and productivity, taking them from varieties of American origin.
Below, the report by Bettina Riedel, variety manager of UNIBO, presented at the seminar on cherry variety innovation at Macfrut 2023. Precisely at Macfrut, ten years ago, the Sweet® varieties made their debut winning, among others, the Oscar prize for innovation.
19 May 2023
The project was created to quantify and characterise the cherries of a traditional production area in the hills around Turin and find an outlet for the by-products of the processing industry and the product that cannot be placed on the fresh market.
17 Feb 2025
Despite the significant price increase, demand remained high, especially for premium varieties from New Zealand and Australia.
05 Aug 2026
A 12.5% US tariff on Chilean cherries is squeezing margins and slowing diversification beyond China. Exporters are responding through bilateral talks, more efficient logistics, premium-grade fruit and faster growth in Vietnam, India, Indonesia and South Korea in 2026.
04 Aug 2026
A study conducted in Skardu, Pakistan, shows that postharvest dipping of sweet cherries in 1% calcium chloride helps preserve firmness, color, aroma, and microbiological quality, reducing waste and extending shelf life through distribution and retail, with better quality.
