The Use of Glyphosate in Sugarcane: A Brazilian Experience

Azania, Carlos Alberto Mathias; Pinto, Luciana Rossini; Adriano, RodrigoCabral; Pérecin, Dilermando; Azania, Andrea Padua

doi:10.5772/54958

Cited by 4 publications

(2 citation statements)

References 37 publications

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“…Our study of post-emergence herbicides upon the weed control of the KK3 sugarcane variety was conducted in upland fields in the late-rainy season from 27 December 2017 to 24 1). Both experiments were laid out in randomized complete block design (RCBD) with four replications, comparing two of the most often used post-emergence herbicides: Ametryn (POSTECH ® 80% WP, Chia Tai Company, Bangkok, 10260, Thailand) and paraquat (GRAMOXONE ® 20% W/V(ion), Syngenta Company, Samutprakarn, 10280, Thailand).…”

Section: Site Description and Experimental Designmentioning

confidence: 99%

“…Ametryn is a pre-or early-post-emergence herbicide, and it can move within the plant structure [19,20], having an effect on plants in the process of electron transfer from photosystem II, resulting in plants' symptoms beginning with interveinal leaves chlorosis and yellowing of leaves within 2-3 days, followed by further chlorosis and necrosis, while paraquat is a post-emergence herbicide that is classified as a nonselective contact herbicide, and it affects plants in the process of electron transfer from the photosystem I, causing reactive oxygen species (ROS) including H 2 O 2 , O 2 − , which can cause cell membrane toxicity or photosynthesis, resulting in exposed areas of the plant rapidly wilting [21,22]. However, despite their intended benefits, they are often misused, resulting in equally damaging weed devastation [23] and reduced crop yields [24]. In Iran, brown beetle grass (Diplachne fusca (L.) Beauv.)…”

Section: Introductionmentioning

confidence: 99%

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Efficacy of Post-Emergence Herbicides against Important Weeds of Sugarcane in North-East Thailand

et al. 2021

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Weeds represent a significant problem in Thailand’s sugarcane production. The various cycles of sugarcane cultivation result in degrees of weed severity in which each species requires a different weed control method, the most popular of which is the post-emergence herbicide method. However, sugarcane farmers often use incorrect rates, and operators’ safety is missing or applications are not selective, causing toxicity and interrupted growth of sugarcane. The effects of post-emergence herbicide types, time, and application rates are presented herein, through an experiment in Northeast Thailand, conducted in a randomized complete block design (RCBD) with four replications. The herbicides paraquat and ametryn were evaluated, with paraquat being more effective, yet resulting in higher toxicity and lower yield components. We may conclude through our experiments that ametryn and paraquat can be applied only once for sugarcane at the tillering stage and at rates of 540 and 2400 g ai ha−1, respectively. These rates were lower than the recommended rates, which represented the minimum doses necessary to control Thailand’s dominant weed species like Brachiaria distachya (L.) Stapf., Dactyloctenium aegyptium (L.) P.B., Praxelis clematidea R.M King & H. Rob and Pennisetum polystachion (L.) Schult. Consequently, the adequate control of weeds is a rather case-specific situation and therefore each weed species should be taken into account.

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Section: Site Description and Experimental Designmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Efficacy of Post-Emergence Herbicides against Important Weeds of Sugarcane in North-East Thailand

et al. 2021

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Evaluating different green manuring plant species and stool destruction methods for enhancing sugarcane yield at Wonji-Shoa Sugar Estate, Ethiopia

Dengia,

Dechassa,

Wogi

et al. 2024

Heliyon

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Understanding the Dynamic of Tropical Agriculture for Remote Sensing Applications: A Case Study of Southeastern Brazil

Sanches

Luiz

Montibeller

et al. 2019

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci.

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<p><strong>Abstract.</strong> The agricultural activity can greatly benefit from remote sensing technology (RS). Optical passive RS has been vastly explored for agricultural mapping and monitoring, in despite of cloud cover issue. This is observed even in the tropics, where frequency of clouds is very high. However, more studies are needed to better understand the high dynamism of tropical agriculture and its impact on the use of passive RS. In tropical countries, such as in Brazil, the use of current agricultural technologies, associated with favourable climate, allow the planting period to be wide and to have plants of varying phenological cycles. In this context, the main objective of the current study is to better understand the dynamics of a selected area in Southeast of São Paulo state, and its impact on the use of orbital passive RS. For that purpose, data (from field and satellite) from 55 agricultural fields, including annual, semi-perennial and perennial crops and silviculture, were acquired between July 2014 and December 2016. Field campaigns were conducted in a monthly base to gather information about the condition of the crops along their development (data available in a website). Field data corresponding to the 2014&ndash;2015 crop year were associated with a time series of Landsat-8/OLI RGB false-colour compositions images and MODIS/Terra NDVI profiles. The type of information that can be extracted (such as specie identification, crop management practices adopted, date of harvest, type o production system used etc) by combining passive remote sensing data with field data is discussed in the paper.</p>

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The Use of Glyphosate in Sugarcane: A Brazilian Experience

Cited by 4 publications

References 37 publications

Efficacy of Post-Emergence Herbicides against Important Weeds of Sugarcane in North-East Thailand

Efficacy of Post-Emergence Herbicides against Important Weeds of Sugarcane in North-East Thailand

Evaluating different green manuring plant species and stool destruction methods for enhancing sugarcane yield at Wonji-Shoa Sugar Estate, Ethiopia

Understanding the Dynamic of Tropical Agriculture for Remote Sensing Applications: A Case Study of Southeastern Brazil

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