Silicon content in the shoots of upland rice cultivars as affected by the application of silicate and limestone in the soil

Authors

  • Munir Mauad Universidade Federal da Grande Dourados
  • Carlos Alexandre Costa Crusciol Universidade Estadual Paulista, Faculdade de Ciências Agronômicas
  • Adriano Stephan Nascente Embrapa Arroz e Feijao
  • Hélio Grassi Filho Universidade Estadual Paulista, Faculdade de Ciências Agronômicas
  • Juliano Carulli Corrêa Embrapa Suinos e Aves

DOI:

https://doi.org/10.5433/1679-0359.2013v34n5p2049

Keywords:

Oryza sativa L., Physiologic stage, Benefic element.

Abstract

Even the element silicon being the most uptake by rice plant, many benefit effect like: increase of pest and disease tolerance, decrease of lost of water by transpiration and better the leaf architecture becoming the leafs more erect, resulting as well at the better photosynthesis efficacy. There is not too much knowledge about the uptake march in upland rice plants. This study aimed to evaluate the content of silicon in two upland rice cultivars by the influence of the application of silicate and limestone at the soil. The experiment was carried in Hapludox soil in a completely randomized experimental design in 2x2x7 factorial scheme in four replications. The treatments were consisted of calcium silicate fertilizer and limestone in interaction with seven period of physiological stage, using the upland rice cultivars Caiapó and Maravilha. At the cultivar Maravilha Si accumulation begin from tillering and achieve it better value at the microsporogenesis, while the Caiapó cultivar, occurs between tillering until the mily grain. Caiapó shows efficient Si accumulation when it was supplied to the soil. Plant organs that more accumulated silicon in both upland rice cultivars followed decreased order: stem > leaf > panicle.

 

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Author Biographies

Munir Mauad, Universidade Federal da Grande Dourados

Engº Agrº, Prof. Dr. da Universidade Federal da Grande Dourados, Faculdade de Ciências Agrárias, Rodovia Dourados, Itahum,Km 12, C P 533, CEP 79804-970, Dourados, MS.

Carlos Alexandre Costa Crusciol, Universidade Estadual Paulista, Faculdade de Ciências Agronômicas

Engº Agrº, Prof. Dr. Titular, Universidade Estadual Paulista,UNESP, Faculdade de Ciências Agronômicas, FCA, Deptº de Produção Vegetal. Botucatu, São Paulo, SP. Bolsista do CNPq.

Adriano Stephan Nascente, Embrapa Arroz e Feijao

Engº Agrº, Pesquisador, Dr. da Embrapa Arroz e Feijão, Santo Antônio de Goiás, Goiás, GO.

Hélio Grassi Filho, Universidade Estadual Paulista, Faculdade de Ciências Agronômicas

Engº Agrº, Prof. Dr. Titular, Deptº de Recursos Naturais, Ciência do Solo, UNESP/FCA, Botucatu, São Paulo, SP.

Juliano Carulli Corrêa, Embrapa Suinos e Aves

Engº Agrº, Pesquisador, Dr. da Embrapa Suínos e Aves. Concórdia, SC.

Published

2013-10-17

How to Cite

Mauad, M., Crusciol, C. A. C., Nascente, A. S., Grassi Filho, H., & Corrêa, J. C. (2013). Silicon content in the shoots of upland rice cultivars as affected by the application of silicate and limestone in the soil. Semina: Ciências Agrárias, 34(5), 2049–2060. https://doi.org/10.5433/1679-0359.2013v34n5p2049

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