Cucumber Yield via Heterozygous Little Leaf Gene Combination
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Solution Overview
Problem
Cucumber yields are limited by a narrow genetic base, and traditional methods to increase yield, such as higher plant density, often result in decreased light intensity, poorer fruit quality, and increased disease incidence, making it challenging to enhance fruit production effectively.
Innovation Solution
A combination of at least two 'little leaf' genes, when in a heterozygous state, increases the number of fruits per plant without significantly reducing leaf size, leading to a synergistic effect that surpasses the sum of individual gene contributions, thereby enhancing yield without the drawbacks of traditional methods.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If plant density is increased to increase yield per area, then productivity increases, but light intensity decreases leading to poorer plant and fruit development
Solution Approach 1:
The patent applies local quality by creating plants with heterogeneous leaf characteristics - some leaves have reduced size while others maintain normal size. This allows certain parts of the plant canopy to allow light penetration to lower layers while other parts maintain photosynthetic capacity, resolving the contradiction between density and light availability.
Solution Approach 2:
The patent changes the physical parameter of leaf size through genetic modification (combining little leaf genes in heterozygous state). This parameter change allows increased plant density without proportionally increasing canopy closure, thereby maintaining light intensity at acceptable levels while improving yield per area.
2Productivity
If plant density is increased to increase yield per area, then productivity increases, but disease incidence increases due to micro-climate changes
Solution Approach 1:
By creating plants with varied leaf sizes through heterozygous gene combination, the patent creates a more open and heterogeneous canopy structure. This improves air circulation and reduces humidity in the micro-climate, thereby reducing disease incidence while maintaining high plant density and productivity.
3Productivity
If traditional breeding methods are used to increase yield, then genetic diversity is limited, but breeding progress is constrained
Solution Approach 1:
The patent merges multiple little leaf genes (such as fl and fo) in a heterozygous combination within a single plant. This combining of genetic elements creates a novel genotype that produces plants with optimized leaf size characteristics, enabling increased density and yield while expanding the effective genetic base for breeding programs.
Data Source
AI summary
The present invention relates to a cucumber plant (Cucumis sativus) which may comprise genetic information that results in an increase in the number of fruits. The invention also relates to the seeds and progeny of such plants and to propagation material for obtaining such plants. Furthermore the invention relates to the use of the plants, seeds and propagation material that may comprise the genetic information as germplasm in a breeding program.