Physiological Quality of Soybean Seeds Treated with Carboxymethyl Cellulose and Fungicide

Camargo, Fernando Ribeiro Teles de; Silva, Isneider Luiz; Barros, Patricio J. Robles; Ascheri, Diego P. R.; Rodovalho, Renato Souza; Bellizzi, Nilton Cezar; Ascheri, José Luis Ramírez; Teixeira, Itamar Rosa; Devilla, Ivano Alessandro; Campos, André José de

doi:10.4236/ajps.2017.811185

Cited by 8 publications

(6 citation statements)

References 14 publications

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“…Additionally, the results found by Ludwig et al (2015) showed that chemical treatments of soybean seeds with the insecticides thiamethoxam and fipronil benefited the seedling length during a storage period of 120 days. Camargo et al (2017), when using a combination of the active ingredients metalaxyl + thiabendazole + fludioxonil + thiamethoxam, verified an increase in the length of soybean seedlings in relation to seeds that did not receive chemical treatment, thus agreeing with the results of the present research.…”

Section: Resultssupporting

confidence: 92%

“…The application of chemicals with the active ingredients thiamethoxam and metalaxyl + thiabendazole + fludioxonil provides soybean seedlings with higher dry mass. Similar results were obtained in a study by Camargo et al (2017), in which the use of the fungicide metalaxyl + thiabendazole + fludioxonil, combined with the insecticide thiamethoxam, provided larger masses of soybean seedlings. Segalin et al (2013) and Dan et al (2013) did not find that treatment of soybean seeds with different chemical products such as metalaxyl + thiabendazole + fludioxonil and thiamethoxam benefits or harms the seeds during 180 days of storage.…”

Section: Resultssupporting

confidence: 85%

“…Regarding the combination of metalaxyl + thiabendazole + fludioxonil and thiamethoxam, also used in this study, Camargo et al (2017) verified that in soybean seeds, the first germination count is greatly impaired in the initial period of evaluation.…”

Section: Resultssupporting

confidence: 72%

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Storage of soybean seeds treated with chemicals

Silva

Camargo

Souza

et al. 2019

SCA

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To treat seed lots during the beneficiation process industrial seed treatment (TIS) has been used on seedlings. However, the actual TIS influence on the physiological quality of soybeans throughout storage is not yet known. The objective of this work was to evaluate the effects of TIS on the physiological quality of seeds of soybean cultivars during storage. Three soybean cultivars (M7110 IPRO, RR-8473RSF, M7739 IPRO) were subjected to four chemical treatment combinations (TIC-treated fungicide / insecticide): T1 - control; T2 - fungicide (Derosal Plus® - 200mL); T3 - insecticide (Cruiser ® - 500mL); T4 - a mixture of fungicide and insecticide products metalaxyl + thiabendazole + fludioxonil (MaximAdvanced - 200 mL) and thiamethoxam insecticide (Cruiser 350 FS - 500 mL). The samples were stored for a total of six months, with evaluation before storage and monthly throughout the storage period (0, 30, 60, 90, 120, 150 and 180 days). The seeds were stored in a cold chamber regulated at 12 ± 2 ºC and a relative humidity of 45± 2%. In addition to determining the water content, the following germination and vigor tests were performed: first count, seedling length, seedling dry mass and accelerated aging. A completely randomized design was used, in a 3 x 4 x 7 factorial scheme, with four replications. The data were initiallysubjected to analysis of variance, and later discriminated by the Tukey test (p < 0.05) (cultivars and chemical products) and regression (storage period). The work concludes that the use of insecticide favored the length of seedlings in cultivar RR-8473 RSF. Chemicals affected the quality and vigor of seeds in all studied cultivars. Soybean seeds can be stored with chemical treatment for commercial purposes for up to 60 days.

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Section: Resultssupporting

confidence: 92%

Section: Resultssupporting

confidence: 85%

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Storage of soybean seeds treated with chemicals

Silva

Camargo

Souza

et al. 2019

SCA

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“…Similarly, neither peat-based inoculant nor liquid inoculant containing polymeric additives had an effect on the germination of soybean seeds (Tittabutr et al, 2007). It was previously showed that polymers can interfere with insecticide phytotoxicity, but did not affect the physiological quality of soybean seeds (Kumar et al, 2007;Pereira et al, 2010c;Camargo et al, 2017;Fagundes et al, 2017). The absence of a negative effect on the seed germination demonstrates that preinoculation can be performed on soybean seeds.…”

Section: Physiological Quality Of Soybean Seedmentioning

confidence: 96%

Pre-inoculation of soybean seeds: Effects on survival of Bradyrhizobium elkanii, nodulation and crop yield

Sandini¹,

Belani²,

Falbo³

et al. 2018

Afr. J. Agric. Res.

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Pre-inoculation of soybean seeds with Bradyrhizobium spp. associated with polymers could be an alternative to the conventional inoculation performed at the day of sowing. The objectives of this study were i) to determine whether the HiCoat ® technology (peat inoculant + liquid inoculant + polymer) allows the survival of B. elkanii after storage of the inoculated seeds, and ii) to evaluate whether the pre-inoculation and seed treatment reduces the physiological quality of seed and soybean yield. Soybean seeds were treated with different fungicides and insecticides associated with pre-inoculation using HiCoat ® and the seeds were stored at room temperature. The survival of B. elkanii was reduced over time with standard inoculation, however there was above 2 x 10 6 colony-forming units of B. elkanii per seed at 60 days after inoculation with HiCoat ®. Seed germination, number of nodules per plant, mass of nodules, yield, number of grains per plant and number of pods per plants were not significantly affected by the pre-inoculation and seed treatments. Our findings indicated that the fungicide and insecticide associated with HiCoat ® can be used to treat and to pre-inoculate seeds that can be stored for up to 71 days without compromising the nodulation of plants and soybean yield.

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“…A solution of 1% carboxymethylcellulose (CMC), was used to induce adherence of Trichoderma spp. spores to the tegument of soybean seeds [12,13].…”

Section: Fungal Strain and Preparation Of Spore Suspensionsmentioning

confidence: 99%

Anatomical changes induced by isolates of Trichoderma spp. in soybean plants

et al. 2020

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In the current work we evaluated the anatomical changes induced by T. harzianum and T. asperellum in two soybean cultivars, BRSGO Caiaponia and NA 5909 RG. Soybean production represents a growing market worldwide, and new methods aimed at increasing its productivity and yield are constantly being sought. Fungi of the genus Trichoderma have been widely used in agriculture as a promising alternative for the promotion of plant growth and for biological control of various pathogens. It is known that Trichoderma spp. colonize plant roots, but the anatomical changes that this fungus can cause are still less studied. Experiment was conducted in a greenhouse to collect leaves and soybean roots to perform analysis of growth parameters, enzymatic activity of defense-related enzymes and anatomical changes. It was observed that inoculation of Trichoderma spp. caused anatomical alterations, among them, increase in stomatal index at the abaxial leaf surface, thickness of the root cortex, thickness of adaxial epidermis, mean diameter of the vascular cylinder, thickness of the mesophyll, and thickness of the spongy parenchyma of the soybean plants. These results indicate that the alterations in these factors may be related to the process of plant resistance to pathogens, and better performance against adverse conditions. This study demonstrates that the anatomical study of plants is an important tool to show the effects that are induced by biological control agents.

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Physiological Quality of Soybean Seeds Treated with Carboxymethyl Cellulose and Fungicide

Cited by 8 publications

References 14 publications

Storage of soybean seeds treated with chemicals

Storage of soybean seeds treated with chemicals

Pre-inoculation of soybean seeds: Effects on survival of Bradyrhizobium elkanii, nodulation and crop yield

Anatomical changes induced by isolates of Trichoderma spp. in soybean plants

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