Aproveitamento do zinco aplicado na semente na nutrição da planta

Ribeiro, Nerinéia Dalfollo; Santos, Osmar Souza dos

doi:10.1590/s0103-84781996000100030

Cited by 31 publications

(40 citation statements)

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“…Additionally, the use of zinc has been associated with improvements in seed vigor and germination (Ribeiro and Santos, 1996), once this micronutrient acts as an enzymatic activator in lipids and proteins metabolic pathways (Prado et al, 2007). Furthermore, coat adding a polymer to form a thin layer on the seed surface allows better distribution of active ingredients (Baudet and Peres, 2004), reduce the amount of chemicals used (Karam et al, 2007) and minimize the leaching of these products from treated seeds (Avelar et al, 2012).…”

Section: Introductionmentioning

confidence: 99%

Physiological performance of wheat seeds treated with micronutrients and protection products during storage

et al. 2017

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-Seeds with high quality are one of the important factors to consider in the crops establishment on field. Therefore, the physical and physiological quality of wheat seeds treated with mixes of micronutrients including zinc and protective products were aimed. The wheat seeds were analyzed in a factorial scheme 5x3x4, with five storage time: 0, 60, 120, 180 and 240 days; three micronutrients: micronutrients 1 (1% Mn; 0.1% Mo; 10% Zn); micronutrients 2 (0.3% B; 0.3% Co; 3% Zn) and no micronutrients, and four protective products: untreated seeds, polymer (Colorseed He), fungicide carboxin + thiram (Vitavax® Thiram 200 SC) + insecticide thiamethoxam (Cruiser® 350 FS) and polymer + fungicide + insecticide. After treatment, the seeds were stored under uncontrolled conditions for 240 days and at intervals of 60 days, the germination, accelerated aging and moisture content were determined. Wheat seeds untreated and treated with polymer have the best physiological performance during storage, regardless micronutrients treatments. The wheat seeds treated with carboxin + thiram + thiamethoxam and polymer + carboxin + thiram + thiamethoxam can be storage up to 120 days, under uncontrolled conditions, regardless micronutrients treatments. The seed treatment does not alter the moisture content of wheat seeds.

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Section: Introductionmentioning

confidence: 99%

Physiological performance of wheat seeds treated with micronutrients and protection products during storage

et al. 2017

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“…Zinc and boron are the micronutrients which are most deficient in Brazilian soils (Ribeiro et al, 1994) and it is estimated that around 170 mm hectares of soils with cerrado vegetation in Central Brazil are deficient in zinc and about 108 mm hectares deficient in boron (Lopes, 1984). Deficiencies were also found in other Brazilian states (Ribeiro and Santos, 1996) and this problem may be corrected with seed treatment based on the principle that the seed reserves are an important source of zinc for preventing the development of initial symptoms of deficiency in plants.…”

Section: Introductionmentioning

confidence: 99%

“…Deficiencies were also found in other Brazilian states (Ribeiro and Santos, 1996) and this problem may be corrected with seed treatment based on the principle that the seed reserves are an important source of zinc for preventing the development of initial symptoms of deficiency in plants.…”

Section: Introductionmentioning

confidence: 99%

“…The basis for the efficiency of zinc in seed treatment is its translocation to the whole plant and zinc reserves become important in stopping the appearance of the first symptoms of deficiency (Ribeiro and Santos, 1996). Zinc activity is effective for certain important processes in the physiological and nutritional homeostasis of the plant, acting as an activator, or structural component, of enzymes, by participating in C 4 plant photosynthesis with the pyruvic carboxylase enzyme (Orioli Júnior et al, 2008).…”

Section: Introductionmentioning

confidence: 99%

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Physiological performance of wheat seeds coated with micronutrients

et al. 2013

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-The objective of this study was to evaluate the physiological performance of wheat seeds coated with micronutrients. The treatments were combinations of two products based on micronutrients, product "A": 780.0 g.L -1 of zinc and product "B": 182.4, 7.6 and 45.6 g.L -1 of zinc, boron and molybdenum, respectively, with five dosages of the products: 0, 1, 2, 3 and 4 mL. kg -1 seed, totaling 10 treatments with four replications. Physiological quality of the treated seed was evaluated from germination and vigor tests and the early plant growth from determinations of shoot dry weight, plant height and leaf area at 10, 20 and 30 days after emergence (DAE), as well as the rate of crop growth, relative and net assimilation. Seed yield and physiological quality were determined after harvest. It was concluded that coating wheat seeds with the product "A" , based on zinc and "B", consisting of zinc, boron and molybdenum, respectively, up to a dosage of 4 mL.kg -1 seed, did not adversely affect the physiological quality of the treated seeds or those produced. Both products tested resulted in increases in leaf area, plant height and shoot dry weight up to 30 DAE, as well as a higher seed yield.Index terms: Triticum aestivum L., early growth, physiological quality, yield.Desempenho fisiológico de sementes de trigo recobertas com micronutrientes RESUMO -Objetivou-se avaliar neste trabalho o desempenho fisiológico de sementes de trigo recobertas com micronutrientes. Os tratamentos consistiram da combinação de dois produtos a base de micronutrientes, produto "A": 780.0 g.L -1 de zinco e o produto "B": 182,4; 7,6 e 45,6 g.L -1 de zinco, boro e molibdênio, respectivamente, e cinco doses dos produtos: 0, 1, 2, 3 e 4 mL.kg -1 de semente, totalizando 10 tratamentos, com quatro repetições. A qualidade fisiológica das sementes tratadas foi avaliada por testes de germinação e vigor e o crescimento inicial das plantas foi avaliado pela massa seca da parte aérea, altura de planta e área foliar aos 10, 20 e 30 dias, após a emergência (DAE), além da taxa de crescimento da cultura, relativo e assimilatória líquida. Após a colheita avaliaram-se o rendimento e a qualidade fisiológica das sementes. Conclui-se que o recobrimento de sementes de trigo com o produto "A" (zinco) e "B" (zinco, boro e molibdênio), até a dose de 4 mL.kg -1 de semente, não prejudicam a qualidade fisiológica das sementes tratadas e produzidas. Os produtos testados promovem maior área foliar, altura de planta e massa seca da parte aérea até os 30 DAE, bem como proporcionaram maior rendimento de sementes.Termos para indexação: Triticum aestivum L., crescimento inicial, qualidade fisiológica, rendimento de sementes.

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“…Em quantidades relativamente pequenas, a aplicação de Zn via sementes de sorgo pode ser uma forma promissora de adubação, tal como tem sido estudado para outras gramíneas, como o milho e o arroz (Ribeiro & Santos, 1996). A prática de se misturar o Zn às sementes favorece a uniformidade de aplicação e coloca o elemento em contato imediato com as primeiras raízes emitidas (Barbosa Filho et al, 1982).…”

Section: Introductionunclassified

Aplicação de zinco via sementes e seu efeito na germinação, nutrição e desenvolvimento inicial do sorgo

Yagi

Simili²,

Araújo

et al. 2006

Pesq. agropec. bras.

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Resumo -O objetivo deste trabalho foi avaliar o efeito da aplicação de zinco em sementes de sorgo (Sorghum bicolor (L.) Moench) na nutrição, na germinação e no desenvolvimento inicial das plantas, em casa de vegetação. Utilizou-se delineamento inteiramente casualizado dos tratamentos, em esquema fatorial 2x5, duas cultivares de sorgo (BR 304 e BR 310) e cinco doses de Zn (0, 3,57, 7,14, 14,28 e 28,56 g de Zn por kg de sementes), com três repetições. Foram avaliadas as variáveis de germinação (tempo médio, média diária e a velocidade), e 28 dias depois da semeadura, determinou-se a massa da matéria seca e os teores de Zn na parte aérea e nas raízes. A aplicação de Zn nas sementes de sorgo não afetou o acúmulo de matéria seca da parte aérea, entretanto, diminuiu a germinação e o acúmulo de matéria seca das raízes e da planta inteira. O Zn aplicado nas sementes de sorgo acumulou-se principalmente nas raízes. A cultivar BR 304 apresentou maior absorção de Zn e acúmulo de matéria seca, em relação à cultivar BR 310.Termos para indexação: Sorghum bicolor, micronutrientes, tratamento de sementes. Zinc application in seeds and its effect on germination, nutrition and initial development of sorghumAbstract -The objective of this work was to evaluate the effect of zinc application in sorghum seeds (Sorghum bicolor (L.) Moench) on its nutrition, germination and on the initial development of the plants in greenhouse.A completely randomized design of the treatments was used, in the factorial scheme 2x5, with two cultivars of sorghum (BR 304 and BR 310) and five rates of Zn (0, 3.57, 7.14, 14.28 and 28.56 g of Zn per kg of seeds), with three replicates. The variables of germination (average time, daily average and the speed) were evaluated, and 28 days after sowing dry matter and Zn levels in the aerial part and roots were determined. The Zn application in sorghum seeds did not affect the accumulation of dry matter aerial part, however, it decreased the germination and the accumulation of roots and whole plant dry matter. The Zn applied in sorghum seeds accumulated mainly in the roots. The cultivar BR 304 showed higher Zn absorption and dry matter accumulation than the cultivar BR 310.

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Aproveitamento do zinco aplicado na semente na nutrição da planta

Cited by 31 publications

References 16 publications

Physiological performance of wheat seeds treated with micronutrients and protection products during storage

Physiological performance of wheat seeds treated with micronutrients and protection products during storage

Physiological performance of wheat seeds coated with micronutrients

Aplicação de zinco via sementes e seu efeito na germinação, nutrição e desenvolvimento inicial do sorgo

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