Penoxsulam Herbicide Application for Pineapple Weed Control
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Solution Overview
Problem
Current methods for controlling undesirable vegetation in pineapple crops, such as the use of bromacil and diuron, result in significant phytotoxic effects and are inefficient, limiting productivity.
Innovation Solution
Applying penoxsulam or its agriculturally acceptable salts, either alone or in combination with ACCase inhibitors like cyhalofop, haloxyfop, or fluazifop, to prevent the emergence or growth of undesirable vegetation in pineapple without causing significant crop damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If bromacil and diuron are applied to control weeds in pineapple, then weed control effectiveness is improved, but phytotoxic effects on pineapple crops worsen
Solution Approach 1:
The patent changes the chemical parameter by substituting bromacil and diuron with penoxsulam, which has different herbicidal properties and selectivity. Penoxsulam controls weeds effectively while being safe for pineapple crops, resolving the contradiction between weed control and crop safety
Solution Approach 2:
The patent introduces penoxsulam as an intermediary herbicide that mediates between the need for weed control and the requirement for crop safety. This new herbicide acts as a bridge solution that achieves weed suppression without the harmful phytotoxic effects of traditional herbicides
2Reliability
If existing herbicides are applied to control undesirable vegetation, then weed suppression is improved, but crop health and productivity worsen
Solution Approach 1:
The patent changes the herbicide parameter from bromacil/diuron to penoxsulam, which maintains weed suppression capability while eliminating negative impacts on pineapple productivity. This parameter substitution resolves the contradiction between weed control and crop productivity
Data Source
AI summary
Disclosed herein are methods of controlling undesirable vegetation in pineapple, which comprise applying to vegetation or an area adjacent the vegetation or applying to soil to prevent the emergence or growth of vegetation (a) penoxsulam or an agriculturally acceptable salt thereof. The methods can further comprise applying (b) a second pesticide or an agriculturally acceptable salt or ester thereof to the vegetation or the area adjacent the vegetation or to the soil adjacent thereto. In some embodiments, (b) includes an ACCase inhibitor such as cyhalofop-butyl, haloxyfop-P-methyl, fluazifop-P-butyl, or combinations thereof.