Eclipse Pecan Cultivar Early Harvest Scab Resistance
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Solution Overview
Problem
Current pecan tree cultivars face challenges such as delayed harvest dates, susceptibility to scab disease, and lower nut quality, with limited early-harvest options maintaining comparable nut size and quality.
Innovation Solution
The introduction of the 'ECLIPSE' pecan tree cultivar, which exhibits an exceptionally early harvest date, high nut quality, resistance to scab disease, and stable propagation characteristics, potentially derived from 'Moore' and 'Pawnee' parentage, with distinct bark texture and morphology.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If conventional pecan tree cultivars are used, then nut production is maintained, but harvest date is delayed and scab disease susceptibility increases
Solution Approach 1:
The patent describes a pecan tree cultivar with modified physiological parameters that enable early harvest (50% shuck split by September 8) while maintaining scab resistance. The tree exhibits altered phenological timing and disease resistance characteristics compared to conventional cultivars, achieving both early harvest and reliable scab resistance simultaneously.
2Loss of time
If early harvest is achieved, then nut availability is improved, but nut quality and size may be compromised
Solution Approach 1:
The patent documents that the early-harvesting pecan tree maintains superior nut quality parameters including 61.4 nuts per pound and 55.6% kernel content, even when harvested 39 days earlier than conventional cultivars. The tree's physiological characteristics allow early harvest without sacrificing nut size or quality.
3Reliability
If scab resistance is enhanced, then disease susceptibility is reduced, but productivity may be affected
Solution Approach 1:
The patent describes a pecan tree with enhanced scab resistance exhibiting only 3% scab incidence on nuts, while maintaining high productivity comparable to conventional cultivars. The tree produces 61.4 nuts per pound with 55.6% kernel content, demonstrating that disease resistance does not compromise nut production.
Data Source
AI summary
A new and distinct cultivar of pecan tree, Carya illinoinensis, which is characterized by extremely early nut maturity, high percentage kernel, moderate nut size, and scab fungus resistance.