Efficacy of adjuvants in herbicides for weed management in lime crop
DOI:
https://doi.org/10.29059/rmic.v1i1.7Keywords:
Effectiveness, herbicide, enhancersAbstract
The appropriate use of adjuvants tends to improve herbicide efficacy; however, in some cases, the adjuvant can have an antagonistic effect. The objective of this research was to evaluate different adjuvants as herbicide enhancers for weed control in lemon cultivation. The research was conducted in August 2024 in a plot established at
INIFAP-CEIGUA. The experimental design included the evaluation of weeds with a height between 10 cm and 20 cm. In total, 30 different treatments were applied with four replicates. The experimental unit measured 4 × 5 m. The experimental design was a randomised complete block design. The main weeds were Johnson grass and star grass. The established scale proposed by the EWRS was used to measure the effectiveness and impact of the treatments on the weeds. The results were evaluated as percentages, and an analysis of variance and a mean comparison test (Tukey, α = 0.05) were performed using SAS version 9.4. The herbicides that stood out in this study were those made from a mixture of surfactants, organic and inorganic acidifiers, fulvic acids, potentiators, diluents, and related elements, as well as those formulated with vegetable oil and polyalkylene oxide siloxane. The treatments that showed the greatest weed control effect when using the 50% dose plus the herbicides were those using glyphosate, glufosinate ammonium, and the bioherbicides BH2, BH3, and BH2 + BH3.
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