CABERNET VOLOS Grapevine Cold and Disease Resistance
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Solution Overview
Problem
Current grapevine varieties lack sufficient resistance to cold temperatures and tolerance to downy mildew and powdery mildew, limiting their adaptability and productivity in temperate regions with harsh climate conditions.
Innovation Solution
The development of the 'CABERNET VOLOS' grapevine variety, resulting from a controlled breeding program, which combines resistance to cold temperatures below -20°C, resistance to downy mildew, and tolerance to powdery mildew, characterized by medium vigor, semi-erect growth habit, and specific leaf and berry traits, adapted for temperate regions with average yearly temperatures around 13°C.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional grapevine varieties are used, then they can produce fruit, but they lack sufficient resistance to cold temperatures and tolerance to downy mildew and powdery mildew
Solution Approach 1:
The patent applies the principle of composite materials by creating a hybrid grapevine variety through controlled cross-breeding between two different parent varieties. The female parent 'Cabernet Sauvignon' contributes disease resistance and fruit quality traits, while the male parent '20/3' contributes cold hardiness and vigor. This genetic composite results in 'CABERNET VOLOS' that combines multiple desirable traits including resistance to downy mildew, powdery mildew, and cold temperatures down to -24°C, along with medium vigor and adaptability to temperate climates.
2Productivity
If grapevine varieties with high vigor are selected, then they can produce more fruit, but they may be more susceptible to diseases and environmental stresses
Solution Approach 1:
The patent applies local quality by achieving balanced trait expression in different parts of the plant. The hybrid 'CABERNET VOLOS' exhibits medium vigor (not excessive) with semi-erect growth habit, while maintaining specific resistance qualities against diseases and cold. The plant shows localized adaptation through its growth pattern and disease resistance mechanisms, producing consistent fruit yield without the excessive vigor that would make it more susceptible to diseases.
3Reliability
If grapevine varieties are bred for disease resistance, then they can survive in harsh conditions, but they may lose productivity and vigor
Solution Approach 1:
The patent applies merging by combining multiple parental traits into a single hybrid variety. The cross between 'Cabernet Sauvignon' (female parent) and '20/3' (male parent) merges cold resistance, disease tolerance, and productivity traits. The resulting 'CABERNET VOLOS' maintains medium vigor for consistent fruit production while achieving resistance to cold temperatures down to -24°C and tolerance to both downy and powdery mildew, thus merging previously separate trait categories into one unified variety.
Data Source
AI summary
A new and distinct variety of grapevine named ‘CABERNET VOLOS’, primarily suited to the growing conditions of the temperate regions, and characterized by its medium vigor; semi-erect growth habit; medium, pentagonal to circular shaped leaves; short-medium, dense, cylindrical berry clusters; dark blue berries with soft to slightly firm berry flesh, herbaceous taste, and no flesh coloration; and resistance to winter temperatures (to −24° C.), resistance to downy mildew, and tolerance to powdery mildew.