Effect of Glyphosate on Plant Development and Production of Rhizome Arrowroot
Renato Teles Neves A, Josimara Nolasco Rondon B, Marney Pascoli Cereda C, Francilina Araujo Costa D
Australian Herbal Insight 2(1) 011-011 https://doi.org/10.25163/ahi.2120761628300919
Submitted: 02 June 2019 Revised: 30 August 2019 Published: 30 September 2019
Glyphosate be not used to fight weeds while planting arrowroot due to its deleterious effect on rhizome production and consequently the production of starch.
Abstract
The objective of this study was to evaluate the effects of glyphosate application on the planting of arrowroot. For the demarcation of arrowroot we used a cultivator to obtain a spacing of 0.90 m x 0.50 m x 0.90 m x 0,50 m. The rhizomes were sectioned (cut) to contain approximately 6 gems and these were distributed in rows spaced apart by 0.25 m for a total area of 1000 m² (20 m x 50 m). Weed control was carried out using a chemical control with application of glyphosate herbicide and weeding. Analysis of growth, chlorophyll testing and leaf number counting was also performed. To harvest the implement, Ikeda was used to loosen the soil evenly, thus facilitating the uprooting of rhizomes. Production was evaluated by counting, measuring length and diameter and weighing the collected rhizomes of the two treatments. From the results obtained, the results indicate that the arrowroot has tolerance to glyphosate herbicide. However, the use of this herbicide initially affected the development and stem, rhizome produced a late arrowroot. It is therefore recommended that glyphosate be not used to fight weeds while planting arrowroot due to its deleterious effect on rhizome production and consequently the production of starch.
Key words: agricultural cultivation, herbicide, chlorophyll content
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