Nodulação e desenvolvimento de plantas de soja iac-19 com aplicaçãodos herbicidas diclosulam e flumetsulam

Deuber, R.; Novo, Maria do Carmo de Salvo Soares

doi:10.7824/rbh.v5i2.44

Cited by 3 publications

(2 citation statements)

References 9 publications

(5 reference statements)

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“…Similar results were obtained when applying diclosulam (25, 35 and 40 g ha -1 ) in a medium-textured soil (430 g kg -1 of clay; pH 5.7, MO: 1.4%) in the soybean cultivars BR-36 and FT-abyara (Oliveira Jr. et al, 2002). The same was observed when it was applied (35 g ha -1 ) in sandy clay and clayey soils (Deuber and Novo, 2006;Gazola et al, 2016) or when glyphosate + diclosulam were combined (1,080 + 25.2 g ha -1 ) in a clayey soil (680 g kg -1 clay) (Neto et al, 2009). Although showing a reduction in the variable "soybean plants height", Osipe et al (2014) did not observe significant differences in the productivity of the crop.…”

Section: Resultssupporting

confidence: 79%

Residual Activity of Diclosulam Applied to Soybean on Cotton Crop in Succession

et al. 2019

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The application of alternative herbicides to replace glyphosate can affect the succession cropping due to the persistence in the soil. The aim of this work was to evaluate the residual activity of diclosulam applied to a pre-emergence soybean crop on a cotton plant grown in succession. The present study used a randomized complete block design with five replicates and seven doses of diclosulam (0, 2.19, 4.38, 8.75, 17.5, 35 and 70 g a.i. ha-1). The cotton was sown 112 days after application of the herbicide, with accumulated rainfall of 637 mm during the soybean cycle. Variables related to photosynthetic characteristics, phytointoxication, growth, components of production and productivity were evaluated in both crops. Diclosulam did not affect the soybean cultivar M7739 IPRO. The residual activity of diclosulam (35 g ha-1) on cotton caused phytointoxication at a rate of 5% at 14, 20 and 27 days after sowing (DAS). However, the components of production, productivity and the cotton fiber quality were not affected up to 70 g ha-1 of diclosulam.

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Section: Resultssupporting

confidence: 79%

Residual Activity of Diclosulam Applied to Soybean on Cotton Crop in Succession

et al. 2019

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“…In the Moyashi genotype, RDM was highly affected, especially in the Oxisol soil type. Similar results were found by Deuber and Novo [29], who reported that root development was inhibited by the action of trifluralin, which is an inhibitor of root growth like S-metolachlor, although it belongs to another herbicidal mechanism of action.…”

Section: Tolerance Of Bean Cultivars To S-metolachlor Applied In Pre-...supporting

confidence: 89%

Tolerance of Brazilian Bean Cultivars to S-Metolachlor and Poaceae Weed Control in Two Agricultural Soils

da Silva Borges,

Trezzi,

Mendes

et al. 2023

Agronomy

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Brazil stands out in the world for being one of the largest producers and consumers of common beans and cowpeas. However, the cultivation of this agricultural species is exposed to competition with weeds for water, light and nutrients. One of the management methods for weed control is the use of pre-emergent herbicides. Although pre-emergence herbicides are beneficial in controlling weeds, it is important to know the dynamics of these products in the soil, especially their residual effect. Two experiments were carried out to assess the tolerance of bean genotypes to the pre-emergent herbicide S-metolachlor in two Brazilian soils. Bean genotypes have differential tolerance to S-metolachlor when grown in soils with different characteristics. The Vigna spp. were the most affected by S-metolachlor, especially the red Adzuki. Plant growth was more sensitive when grown in sandy soil for most species. Total chlorophyll content was not affected for most genotypes in the two soils evaluated. The differential tolerance of the genotypes in both soils confirms the potential of S-metolachlor to cause damage to the bean crop, especially in sandy soil. The S-metolachlor was efficient in controlling sourgrass and selective to the bean cultivars (Pérola and Talismã) in both soils evaluated. Alexandergrass behaved differently in the soils evaluated, showing tolerance to the application of S-metolachlor when in Oxisol and sensitivity in Ultisol.

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Residual Activity of 2,4-D Amine on Soybean Plant Development

Oliveira¹,

Kusano²,

Pacheco³

et al. 2015

J. of Agronomy

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The objective of this research was to evaluate the residual effect of 2,4-D amine on the initial development of soybean plants after its application on the soil at different times before sowing. The experiment was conducted in a greenhouse during the months from April to June 2013, at State University of Mato Grosso do Sul. The experimental design was completely randomized, with four replications. The treatments consisted of eight application times of herbicide 2,4-D amine, seven (3, 6, 9, 12, 15, 18 and 21 days) before sowing, a treatment during sowing (0) and a control treatment (no herbicide application). The dose used was 1080 g i.a. haG 1. It were evaluated he following variables: percentage of emergency, plant height, stem diameter, fresh mass of shoot, fresh mass of roots, dry mass of shoot, dry mass of roots, nodular activity and toxicity. The soybean sowing at time or three days after application of 2,4-D amine causes reduction in the crop development as a result of this residual effect of this herbicide and should occur at least six days after application of this herbicide.

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Nodulação e desenvolvimento de plantas de soja iac-19 com aplicaçãodos herbicidas diclosulam e flumetsulam

Cited by 3 publications

References 9 publications

Residual Activity of Diclosulam Applied to Soybean on Cotton Crop in Succession

Residual Activity of Diclosulam Applied to Soybean on Cotton Crop in Succession

Tolerance of Brazilian Bean Cultivars to S-Metolachlor and Poaceae Weed Control in Two Agricultural Soils

Residual Activity of 2,4-D Amine on Soybean Plant Development

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