Hypericum Kolmawhi Cultivar Resisting Puccinia Rust
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Solution Overview
Problem
Existing Hypericum cultivars lack strong foliage and uniform, high-density fruit production, and are susceptible to Puccinia rust, with limited resistance to environmental variations and pests.
Innovation Solution
The development of a new Hypericum cultivar, 'Kolmawhi', resulting from a cross-pollination between proprietary selections of Hypericum×inodorum, exhibiting upright and columnar growth, dark green leaves, high fruit density, pale yellow fruits, and resistance to Puccinia rust, achieved through vegetative cuttings and selection in a controlled greenhouse environment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If existing Hypericum cultivars are grown, then they can be cultivated, but they lack strong foliage and uniform high-density fruit production
Solution Approach 1:
The patent applies parameter changes by selecting and breeding plants with specific genetic parameters that control foliage strength, fruit density, and fruit uniformity. The cultivar 'Kolmawhi' exhibits optimized parameters including dark green strong foliage, uniform pale yellow fruits, and high fruit density through controlled cross-pollination and selection of parent plants with desirable traits.
2Quantity of substance
If existing Hypericum cultivars are grown, then they can produce fruits, but they are susceptible to Puccinia rust
Solution Approach 1:
The patent converts the harmful effect of Puccinia rust susceptibility into a beneficial trait by selecting parent plants with resistance to the disease. The female parent (code 84-2) and male parent (code 88-5) were selected specifically for their Puccinia rust resistance, which is then transmitted to the offspring, making the new cultivar 'Kolmawhi' resistant to this harmful fungus while maintaining productive fruit yield.
3Adaptability or versatility
If existing Hypericum cultivars are grown, then they can be cultivated, but they have limited resistance to environmental variations
Solution Approach 1:
The patent improves environmental adaptability by changing the genetic parameters of the parent plants through selective breeding. The selected parents possessed traits for tolerance to environmental variations including temperature fluctuations and pest resistance. These optimized parameters are inherited by the new cultivar, enabling it to maintain reliable performance across diverse environmental conditions.
Data Source
AI summary
A new and distinct cultivar of Hypericum plant named ‘Kolmawhi’, characterized by its upright and columnar plant habit; moderately vigorous growth habit; dark green-colored leaves; uniform and freely flowering habit; uniform and high density of fruits; pale yellow-colored fruits; and resistance to Puccinia rust.