Vintage Ruby Pineapple Hybridization for Red-Purple Fruit Shell
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The existing pineapple varieties lack a combination of attractive fruit characteristics, such as shape, size, and organoleptic traits, which are essential for commercial viability, and do not possess a distinctive red or dark purple fruit shell.
Innovation Solution
A new pineapple variety, 'Vintage Ruby', developed through eleven years of hybridization and backcrossing between 'MD-2' and 'Morada' cultivars, exhibiting hybrid vigor, unique fruit color, and improved yield, with asexual reproduction ensuring consistent traits.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If existing pineapple varieties are used, then commercial viability is maintained, but attractive fruit characteristics and distinctive red or dark purple fruit shell are lacking
Solution Approach 1:
The patent applies parameter changes by modifying the genetic composition through controlled hybridization between 'MD-2' and 'Morada' cultivars. This sexual crossing introduced new genetic variations that resulted in the distinctive red/purple fruit shell color, transforming the original yellow/golden color parameter of commercial pineapple varieties.
Solution Approach 2:
The patent creates a composite genetic structure by combining traits from two different pineapple cultivars. The hybridization process merged the commercial viability and fruit quality of 'MD-2' with the distinctive coloration genes from 'Morada', producing a composite variety that exhibits both market appeal and attractive red/purple fruit shell characteristics.
2Shape
If hybridization and backcrossing is performed to achieve unique fruit color, then distinctive red or dark purple fruit shell is obtained, but breeding time and complexity increase
Solution Approach 1:
The patent applies preliminary action by conducting extensive preliminary hybridization and selection work over eleven years to establish a stable hybrid line. The backcrossing program was carefully planned and executed in advance to ensure the transmission of desired color traits while maintaining commercial quality, preventing future breeding delays.
Solution Approach 2:
The patent implements feedback mechanisms through systematic evaluation of hybrid plants at each generation. Breeders assessed fruit color, size, quality, and yield performance, using this feedback to select the best individuals for subsequent backcrossing. This iterative feedback process accelerated the breeding program by quickly identifying and eliminating unsuccessful genetic combinations.
3Productivity
If backcrossing is used to achieve combination of characters, then hybrid vigor and improved yield are obtained, but genetic stability requires multiple generations
Solution Approach 1:
The patent applies dynamics by transitioning through different breeding stages with changing selection criteria. In early generations, the focus was on capturing hybrid vigor and establishing color traits. In later backcross generations, selection shifted toward stabilizing genetic composition while maintaining yield advantages, dynamically adjusting breeding objectives to balance productivity and genetic stability.
Solution Approach 2:
The patent uses parameter changes by modifying the proportion of parental genetics across breeding generations. The backcrossing program gradually increased the genetic contribution from the 'MD-2' parent (which provides commercial viability and yield) while retaining the essential color traits from the initial hybrid. This systematic parameter adjustment achieved both high productivity and genetic stability.
Data Source
AI summary
A new and distinct pineapple plant named ‘Vintage Ruby’, comprising certain unique traits, including color of the fruit's shell at the immature state that is deep dark purple, and at the mature state is bright reddish/purple.