DrisStrawNine Strawberry Cultivar Propagation and Trait Stability
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Solution Overview
Problem
There is a need for a new strawberry cultivar that retains distinctive characteristics through asexual propagation and offers improved plant and fruit traits compared to existing varieties like 'Driscoll Lanai' and 'San Juan', with specific attributes such as plant height, leaf shape, fruit size, and disease resistance.
Innovation Solution
The development of the strawberry cultivar 'DrisStrawNine' (Fragaria×ananassa), which was discovered through a cross between proprietary strawberry plants '94J283' and '112H25', and has been asexually propagated to maintain its unique characteristics, showcasing distinct traits in plant habit, leaf structure, fruit development, and pest/disease susceptibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a new strawberry cultivar is developed through cross-breeding, then distinctive characteristics and improved plant/fruit traits are achieved, but maintaining consistency through asexual propagation becomes challenging
Solution Approach 1:
The patent uses asexual propagation methods (tissue culture, runners, or crown division) to create genetically identical copies of the selected hybrid plant, ensuring that the distinctive characteristics developed through cross-breeding are precisely replicated in subsequent generations without genetic variation
Solution Approach 2:
The patent selects specific propagation parameters (temperature, humidity, nutrient composition, propagation timing) to optimize the asexual propagation process and ensure consistent expression of desired traits across multiple growing seasons
2Volume of moving object
If plant height and fruit size are increased, then marketability and yield are improved, but plant vigor and disease resistance may be compromised
Solution Approach 1:
The patent selects for localized disease resistance traits in specific plant parts (root system, leaves, fruit skin) while allowing other parts to develop larger size, creating a balance where disease resistance and fruit size coexist without compromising overall plant health
Solution Approach 2:
The patent creates a composite genetic structure combining genes for large fruit size from one parent with genes for disease resistance from the other parent, resulting in a hybrid cultivar that exhibits both desirable large fruit and robust disease resistance
3Productivity
If plant vigor is increased, then productivity and yield are improved, but plant height and overall size increase which may require more cultivation space
Solution Approach 1:
The patent selects for dynamic growth patterns where the plant exhibits vigorous root and crown development for high productivity while maintaining controlled above-ground height, allowing the plant to allocate resources efficiently between underground biomass (yield) and above-ground structure
Data Source
AI summary
This invention relates to a new and distinct cultivar of strawberry plant named ‘DrisStrawNine’. A new cultivar primarily characterized by its small hollow center, early to medium flowering time, everbearing fruit, low number of achenes per berry, and moderate resistance to Strawberry Mottle Virus is disclosed.