2-Chloroethylphosphonic Acid for Legume Senescence
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Solution Overview
Problem
Current harvest aids for leguminous plant crops, such as soybeans, often require chemistry-based desiccation methods that can impede yield and nutritional quality if applied incorrectly, and fail to quickly facilitate harvesting before harsh weather conditions.
Innovation Solution
Applying a solution of 2-chloroethylphosphonic acid during the reproductive growth stage, specifically at R5 or R6, to accelerate maturation and enable earlier harvesting without compromising nutritional quality or quantity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If chemistry-based desiccation methods are applied to accelerate harvest, then harvesting time is reduced, but yield and nutritional quality are impeded
Solution Approach 1:
The patent changes the chemical parameters of the desiccation agent by using 2-chloroethylphosphonic acid at specific concentrations (0.5-2.0 ounces per acre) and applying it at precise growth stages (R5-R6), thereby achieving accelerated harvest without compromising yield or nutritional quality. This resolves the contradiction by optimizing chemical parameters to avoid the harmful effects of conventional chemistry-based methods.
2Duration of action of moving object
If conventional harvest aids are used to desiccate plants, then maturation time is shortened, but the crop health and food source quality are compromised
Solution Approach 1:
The patent introduces 2-chloroethylphosphonic acid as an intermediary substance that mediates the desiccation process. When applied at the specified rates and stages, it accelerates maturation while maintaining crop health by acting as a controlled intermediate agent rather than harsh conventional chemicals, thus resolving the contradiction between shortened maturation time and preserved crop health.
3Reliability
If waiting period for pod maturation is extended to ensure quality, then nutritional quality is maintained, but harvesting time increases and weather risks increase
Solution Approach 1:
The patent applies 2-chloroethylphosphonic acid during the R5-R6 growth stage as a preliminary action that initiates and accelerates the maturation process. This allows the crop to reach optimal nutritional quality faster by pre-triggering the maturation cascade, thereby reducing the waiting period from 39-45 days to a shorter duration while maintaining quality standards.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This method allows for harvesting leguminous crops 10-14 days sooner than traditional methods, preserving nutritional quality and quantity while avoiding weather-related losses, even under stress conditions like drought or high temperatures.
Implementation Method 1
A method of increasing senescence of a leguminous plant crop comprises applying to the crop a solution of 2-chloroethylphosphonic acid during a reproductive growth stage
Data Source
AI summary
A method of increasing senescence of a leguminous plant crop comprises a step of applying a 2-chloroethylphosphonic acid solution to the leguminous plant during a reproductive growth stage of the crop. Application of the 2-chloroethylphosphonic acid solution significantly reduces the timing of the crop to achieve a harvesting stage, without detrimentally affecting the nutritional value of the leguminous plant crop regardless of increased temperature conditions.