CAR98-710 Grapevine Breeding for Seedless Black Berries
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Solution Overview
Problem
There is a need for a new grapevine variety that retains distinctive characteristics through asexual propagation, offering black, seedless, medium to large berries with excellent cluster and berry integrity, which are not currently available in existing commercial cultivars.
Innovation Solution
The development of the Vitis vinifera variety 'CAR98-710', resulting from a cross between 'Black Globe' and '552', which has been asexually propagated and retains its characteristics, featuring black seedless berries, medium to large clusters, and maintaining integrity through October.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing commercial cultivars are used, then current market options are available, but they lack black seedless berries with excellent cluster integrity through October
Solution Approach 1:
The patent applies parameter changes by selectively breeding for specific characteristics including black berry color, seedlessness, medium to large berry size, and extended cluster integrity through October. The cross between 'Black Globe' and '552' parents produced offspring with optimized parameters that differ from both parents and existing commercial varieties.
2Adaptability or versatility
If a new grapevine variety is developed with distinctive characteristics, then unique berry features are achieved, but maintaining stability through asexual propagation is challenging
Solution Approach 1:
The patent employs vegetative cutting propagation to create identical copies of the selected plant. This asexual reproduction method ensures that the distinctive characteristics of 'CAR98-710' are precisely replicated across multiple generations, maintaining genetic stability and characteristic consistency.
3Ease of operation
If seedless berries are produced, then consumer preference is met, but genetic diversity and breeding options are reduced
Solution Approach 1:
The patent uses a male parent ('552') as an intermediary to achieve seedlessness in the offspring. By crossing 'Black Globe' with '552', the resulting variety 'CAR98-710' inherits seedlessness without requiring the female parent to be seedless, thus achieving the desired trait while maintaining breeding capability through controlled pollination.
Data Source
AI summary
A new and distinct variety of grapevine plant named ‘CAR98-710’ particularly distinguished by black colored, seedless berries, medium to large berries and clusters, and excellent integrity of clusters and berries through October, is disclosed.