Zoxamide Fungicide Treatment for Apple and Pear Scab

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Solution Overview

Problem

Apple and pear scab diseases, caused by Venturia inaequalis and Venturia pyrina fungi, are challenging to treat effectively, as they cause spotting and scabbing on fruit and leaves, particularly during wet seasons, and existing treatments may not provide sufficient control.

Innovation Solution

Applying a fungicidally effective amount of zoxamide to apple and pear plants, their parts, seeds, or the soil where they grow, either alone or in compositions, to inhibit or eradicate the scab-causing fungi.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If conventional fungicides are used to treat scab diseases, then some level of disease control is achieved, but the treatment effectiveness is insufficient and does not provide adequate protection against Venturia inaequalis and Venturia pyrina

Engineering Contradiction:
Improvedisease control effectivenessVSAvoidscab disease severity
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The patent changes the chemical parameter by introducing zoxamide, a novel fungicide compound with a specific chemical structure (3,5-dichloro-N-(1-chloro-3-methyl-2-oxopentan-3-yl)-4-methylbenzamide), that has different mode of action and higher efficacy against scab fungi compared to conventional fungicides. This parameter change in the fungicide's chemical properties enables superior disease control effectiveness.

Inventive Principle:
Principle #35Parameter changes

2Reliability

If existing fungicide treatments are applied, then some disease prevention is achieved, but the protection against scab-causing fungi remains inadequate during wet seasons

Engineering Contradiction:
Improvedisease prevention capabilityVSAvoidspotting and scabbing on fruit and leaves
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The patent employs zoxamide as a short-acting but highly effective fungicide that provides rapid protection against scab infections. The compound's quick mode of action and high efficacy make it particularly useful for preventing spotting and scabbing during wet seasons, offering effective protection without requiring long-lasting formulations.

Inventive Principle:
Principle #27Cheap short-living objects (Disposable)

Data Source

PatentEP4627919A1Method for treatment of scab in apples and pears
Publication Date: 2025.10.08 GLOBACHEM NV
  • EP4627919A1 patent drawing
  • EP4627919A1 patent drawing

AI summary

The present invention relates to a method of controlling, preventing and/or treating a phytopathogenic fungus causing or capable of causing scab infection in apple and/or pear plants. The invention further relates to the use of zoxamide as an active agent against scab infection in apple and/or pear plants, and agricultural compositions thereof.