St. Augustinegrass FSA1602 Olive Blue-Green Color and Disease Tolerance
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Solution Overview
Problem
Existing St. Augustine grass varieties lack distinctiveness and tolerance to leaf diseases, with limited adaptation to specific climate regions, and there is a need for a turfgrass that maintains high turf quality and density across varying environmental conditions.
Innovation Solution
The development of the 'FSA1602' variety, which is asexually reproduced and characterized by its olive blue-green color, larger stolon diameter, and improved disease tolerance, propagated through stolons and tillers, suitable for southern and gulf coast regions, and adapted for home lawns and commercial applications.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing St. Augustine grass varieties are used, then they can be grown in various regions, but they lack distinctiveness and tolerance to leaf diseases
Solution Approach 1:
The patent applies parameter changes by developing a new grass variety with modified genetic parameters through controlled crossing and selection. The FSA1602 variety exhibits distinct parameters including olive blue-green color, larger stolon diameter, and improved disease tolerance compared to parent varieties, resolving the contradiction between distinctiveness and disease tolerance.
2Adaptability or versatility
If St. Augustine grass varieties with good turf quality are selected, then they maintain high density, but they have limited adaptation to specific climate regions
Solution Approach 1:
The FSA1602 variety embodies universality by combining multiple desirable traits into a single variety that performs well across diverse climates. It maintains high turf quality and density while adapting to southern and gulf coast regions, as well as subtropical and tropical areas, making it universally suitable for various lawn and commercial turf applications.
3Stability of the object's composition
If asexual reproduction is used to propagate FSA1602, then genetic stability is maintained, but seedling establishment does not occur
Solution Approach 1:
The patent applies the extraction principle by eliminating the seedling establishment phase from the propagation process. Through asexual reproduction methods including stolon cuttings and tiller propagation, the variety is directly propagated as vegetative material, bypassing seed germination and seedling development, thereby maintaining genetic stability while achieving efficient propagation.
Data Source
AI summary
‘FSA1602’ is a new and distinct St. Augustine grass (Stenotaphrum secundatum (Walt.) Kuntze) variety distinguished at least by its distinctive olive blue-green color, large stolon size, and good tolerance to leaf diseases.