"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.
11 Nov 2025
Spring rainfall can cause severe cracking damage to cherries. Learn the most effective methods to prevent fruit splitting, protect yield, and maintain fruit quality using biofilm applications, chloride salts, and targeted irrigation management.
10 Oct 2023
Producers have several management strategies at their disposal to increase the final size of the fruit, including fruit load regulation, proper irrigation and fertilisation management, and the application of biostimulants and growth regulators.
25 Sep 2026
Sweet cherry nutrition and fruit quality: studies from Chile, USA, Spain and other countries show how nitrogen, potassium, calcium, boron, phosphorus and magnesium affect fruit size, firmness, soluble solids, color, cracking and postharvest storage performance.
25 Sep 2026
The velvet longhorned beetle, Trichoferus campestris, is an invasive wood-boring beetle detected in Utah, Illinois, Minnesota and other US states. It can infest dry wood and many tree hosts, including apple, cherry and peach, while its long-term impact remains uncertain.
