Lead and Cadmium Transfer Factors and the Contamination of Tomato Fruits (Solanum lycopersicum) in a Tropical Mountain Agroecosystem

Sousa, Fábio Freire de; Carmo, Margarida Goréte Ferreira do; Lima, Eduardo; Souza, Camila da Costa Barros de; Sobrinho, Nelson Moura Brasil do Amaral

doi:10.1007/s00128-020-02930-w

Cited by 12 publications

(4 citation statements)

References 22 publications

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“…The average assimilable p and exchangeable K levels recorded in the soil were very high (Table 1) (FREIRE et al, 2013). This result is probably related to the massive use of poultry litter and mineral fertilizers (BHERING et al, 2017;SOUSA et al, 2020) at random rates and frequency, that is, not based on soil fertility reports (54.1%), as previously discussed.…”

Section: Occurrence Of Clubroot and General Soil Attributesmentioning

confidence: 83%

“…The total Ca, Mg and Al contents were determined by inductively coupled plasma optical emission spectrophotometry (ICP-OES). The K content was determined by flame emission spectrophotometry and the p content by the metavanadate colorimetric method (SOUSA et al 2020). The quality of the analyses was assessed using a certified sample of 1573a tomato leaves (NIST).…”

Section: Santos Et Almentioning

confidence: 99%

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Severity of clubroot in kale related to management practices and soil attributes

et al. 2022

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Clubroot disease, caused by Plasmodiophora brassicae, limits the production of Brassica spp. worldwide. Little is known about the factors related to the development of the disease in kale (Brassica oleracea var. acephala) plants and in crops in mountainous areas under tropical conditions. This study examined the severity of clubroot in kale crops as well as identify potential flaws in management and the soil and relief factors related to its occurrence. The study was conducted in 24 kale fields in the mountainous region of Rio de Janeiro (Brazil). Soil and kale growth management practices adopted in the region were identified and samples of soil and plants were collected. Subsequently, soil and relief attributes, disease severity, biomass and nutrient and Al contents and accumulation in the plants were determined. There was a high spread of the pathogen in the areas. Inappropriate and recurrent practices in the region were detected, e.g., sequential cultivation of host species, low adoption of soil fertility analysis and liming and conservation practices, and community use of agricultural machinery and implements without prior cleaning. The disease was associated with more acidic soils, subject to greater water accumulation and with high levels of Al3+ as well as with higher Al contents and accumulation in the roots. Management practices must be adopted in the region to reduce the potential inoculum of P. brassicae and to increase soil fertility.

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Section: Occurrence Of Clubroot and General Soil Attributesmentioning

confidence: 83%

Section: Santos Et Almentioning

confidence: 99%

Severity of clubroot in kale related to management practices and soil attributes

et al. 2022

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“…Fresh or composted poultry litter application supplied nutrients and increased the DR%; however, it did not affect biomass accumulation or broccoli yield. Fresh poultry litter is widely used by Brassica producers in the mountainous region of Rio de Janeiro (Grisel & Assis, 2012;Bhering et al, 2017;Sousa et al, 2020;Santos et al, 2022). This practice, associated with the non-correction of soil acidity, was suggested to be related to the high intensity of clubroot in the region by Bhering et al (2017;2020).…”

Section: Steel Slag and Fertilization With Poultry Littermentioning

confidence: 99%

“…Dry biomass samples from green manure were ground and digested according to method 3050 (USEPA) to measure the macronutrient concentrations (Santos et al, 2022). The K concentration was determined using flame emission spectrometry (DM-62, Digimed, Brazil), and the P concentration was determined using metavanadate colorimetry (Sousa, Carmo, Lima, Souza, & Amaral Sobrinho, 2020). Ca and Mg were determined using inductively coupled plasma optical emission spectrometry (ICP-OES) (IP1101M100, Agilent Technologies, Santa Clara, USA).…”

Section: Introductionmentioning

confidence: 99%

Strategies for reducing the impact of clubroot on broccoli cultivation in tropical mountain regions

Santos,

Sobrinho,

Gonçalves

et al. 2023

Acta Sci. Agron.

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Brassica spp. production can be negatively affected by clubroot, which is caused by the protozoan Plasmodiophora brassicae Woronin. Most of the information on clubroot control is derived from studies in temperate regions. Here, management strategies were evaluated to reduce broccoli (Brassica oleracea L. var. italica Plenck) crop losses owing to clubroot in tropical mountain regions. The first experiment revealed the effect of green manure from coriander (Coriandrum sativum L.), sunn hemp (Crotalaria juncea L.), sweet corn (Zea mays L.), and spontaneous vegetation (control) associated with broccoli seedlings of 4 different sizes. In the second experiment, the effect of soil amendments (limestone and steel slag) in conjunction with poultry litter (fresh or composted for 45 days) and without poultry litter (control), was assessed. Both field experiments sought to evaluate the disease intensity, plant development (root growth, biomass, and nutrient accumulation), and yield. Sunn hemp and coriander biomass resulted in higher healthy root volumes and dry weights of broccoli. However, such benefits were not derived from corn treatment. Compared to smaller seedlings (10 mL cell and 20 days of age, and 16 mL cell and 24 days of age), the use of larger seedlings (35 mL cell and 28 days of age, and 50 mL cell and 32 days of age) resulted in lower intensity of clubroot and increased the average yield by 143% in summer crops. Steel slag, like limestone, corrected soil acidity and resulted in plant growth; however, clubroot intensity was not significantly affected. Fresh and composted poultry litter increased the percentage of diseased roots compared with the control; however, broccoli yield was not affected by the treatments. Using green manure (sunn hemp or coriander) and well-developed seedlings is recommended as a strategy to reduce losses induced by clubroot during broccoli cultivation.

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Toxic Metals in Broccoli by Combined Use of Acidity Correctives and Poultry Litter Under Mountain Tropical Conditions

Santos

Sobrinho

Gonçalves

et al. 2021

Arch Environ Contam Toxicol

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Lead and Cadmium Transfer Factors and the Contamination of Tomato Fruits (Solanum lycopersicum) in a Tropical Mountain Agroecosystem

Cited by 12 publications

References 22 publications

Severity of clubroot in kale related to management practices and soil attributes

Severity of clubroot in kale related to management practices and soil attributes

Strategies for reducing the impact of clubroot on broccoli cultivation in tropical mountain regions

Toxic Metals in Broccoli by Combined Use of Acidity Correctives and Poultry Litter Under Mountain Tropical Conditions

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