Late-Season Red Elegance
Allison™ (Sheegene 20) is a seedless red grape variety with very late ripening, ideal for extending the table grape season with a high-quality product. Its berries are extra-large (20–25 mm), crunchy, and characterized by a pleasant, versatile, neutral sweetness. The variety is extremely productive, with large clusters and high fertility (ratio 1.4). Its storage resistance is excellent: it maintains great condition even after 6 weeks of refrigerated storage.
Production Calendar Allison
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
Allison is a product distributed
under the brand
Technical Sheet and Features
From aesthetic characteristics such as color, shape, and cluster size, to organoleptic properties like taste, texture, and aroma: explore all the features of this product.
Berry ColorBright, uniform red, with excellent post-harvest holding.
Greenhouse RipeningNot recommended for greenhouse cultivation; performs best in open-field conditions.
Field RipeningVery late-ripening – about 2–3 weeks after Crimson – ideal for prolonging seasonal availability.
BerryExtra-large (20–25 mm), crunchy and juicy.
FlavorNeutral, clean, and pleasant sweetness on the palate.
ClusterLarge-sized, well-structured, and easy to market.
Sugar LevelOptimal at 20° Brix, with excellent sugar-acid balance (28:1 ratio at 19° Brix).
Cultivation TechniqueHighly fertile, with medium vigor. Suitable for vineyards using modern canopy management techniques.
Transport ResistanceExcellent shelf life: maintains visual and organoleptic quality for up to 6 weeks in refrigerated storage.
Suitable forPremium markets and destinations requiring post-harvest durability and consistent volumes.
Storage MethodLong-term storage possible in refrigerated facilities. Maintains freshness, crunchiness, and cluster integrity even after several weeks.
Territorial FeaturesAdapts well to different climates, but excels in areas with significant temperature variation, where color and berry size reach their optimum.
Overall RatingAllison™ is a late-season variety strategically suited for the global market, combining productive yield, aesthetic quality, balanced taste, and excellent logistical performance. A premium choice for extending the offering of seedless red grapes beyond the traditional season.
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