Lunar Garden Bean Heat Tolerance Disease Resistance
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Solution Overview
Problem
There is a continued need for new garden bean varieties that are stable, high yielding, and agronomically sound, with improved resistance to diseases and tolerance to environmental stresses.
Innovation Solution
The development of a new garden bean variety, 'Lunar' (Phaseolus vulgaris L.), which exhibits improved heat tolerance, resistance to Rust and Anthracnose, and stable performance across different growing conditions, along with methods for producing hybrid and transgenic seeds with enhanced traits.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional garden bean varieties are used, then basic cultivation is straightforward, but they lack improved resistance to diseases and environmental stresses
Solution Approach 1:
The patent applies parameter changes by selecting and crossing bean varieties with specific genetic parameters to achieve desired disease resistance traits. The breeder changes genetic parameters through controlled crosses between resistant and susceptible varieties, selecting progeny that exhibit improved resistance to rust, anthracnose, and other diseases while maintaining acceptable yield characteristics.
Solution Approach 2:
The patent uses an intermediary approach by employing intermediate parent varieties that possess specific resistance traits. The breeder uses intermediate crosses to transfer resistance genes from donor varieties to the target variety, gradually incorporating desired traits through multiple generations of selective breeding.
2Productivity
If conventional garden bean varieties are used, then cultivation is simple, but yield stability across different growing conditions is insufficient
Solution Approach 1:
The patent applies parameter changes by modifying genetic parameters related to yield stability and environmental adaptability. The breeder selects and crosses varieties with different yield characteristics and environmental responses, using quantitative trait loci (QTL) mapping to identify and incorporate genes associated with stable yield across varying temperatures, rainfall, and soil conditions.
Solution Approach 2:
The patent employs universality by developing varieties that perform multiple functions - producing stable yields while simultaneously providing disease resistance, heat tolerance, and adaptability to different growing conditions. The breeder creates multi-functional varieties that can be cultivated across diverse environments without requiring separate varieties for each condition.
3Reliability
If new bean varieties are developed through traditional breeding, then genetic diversity is maintained, but development time and resource requirements increase
Solution Approach 1:
The patent replaces traditional mechanical breeding methods with molecular biology techniques. The breeder uses molecular markers and QTL mapping to identify and select desirable traits without requiring extensive phenotypic evaluation across multiple generations. This substitution of mechanical breeding with molecular analysis significantly reduces the time and resources needed to develop new varieties while maintaining genetic stability.
Solution Approach 2:
The patent applies copying by using molecular copies of specific genes and genetic markers to identify and select desired traits. Instead of relying solely on physical observation of traits across multiple generations, the breeder uses molecular copies of DNA sequences and markers to track and select for desired characteristics, accelerating the breeding process while maintaining variety stability.
Data Source
AI summary
A new variety of garden bean (Phaseolus vulgaris L.) designated ‘Lunar’ is provided. Garden bean variety ‘Lunar’ is characterized by its dark green pods in mainly the 4 sieve class, heat tolerance, strong, compact and erect plant habit, and resistance to several races of Colletotrichum lindemuthiunum (Anthracnose) and Uromyces appendiculatus (Rust).