EFEITO DO ANTITRANSPIRANTE E DO NITROGÊNIO NA PRODUTIVIDADE E GERMINAÇÃO DE SEMENTES DE TRIGO

Autores

DOI:

https://doi.org/10.32404/rean.v13i1.8950

Palavras-chave:

Fertilizante, Índice de colheita, Comprimento da radícula, Consumo de água

Resumo

A seca é o fator limitante mais importante na agricultura de sequeiro. Uma das formas de reduzir a transpiração é a aplicação de antitranspirantes. Para atingir o objetivo, experimentos de campo e de laboratório foram conduzidos para avaliar o efeito do antitranspirante e do nitrogênio na produtividade, nos componentes da produção e nas características de germinação do trigo. Os tratamentos incluíram diferentes concentrações de antitranspirante, óleo de girassol (0, 5 e 10%) e diferentes doses de nitrogênio (0, 75 e 150 kg ha-1). O nitrogênio e o antitranspirante foram aplicados no momento da emergência das espigas, em 15 de maio. No experimento de laboratório, o atributo germinação das sementes produzidas no experimento de campo foram avaliadas pelo teste de germinação. Os resultados mostraram que a aplicação de diferentes taxas de antitranspirante e nitrogênio não influenciou o número de folhas e de caules, o número de sementes por espiga, o peso da espiga, o rendimento das sementes, o peso das sementes, o rendimento biológico e a germinação das sementes de trigo produzidas. A aplicação de taxa de antitranspirante de 10% reduziu o índice de colheita em comparação com nenhuma ou 5% de aplicação. Fatores como alta fertilidade do nitrogênio do solo, umidade relativamente adequada do solo e/ou estágio de aplicação do tratamento podem ser alguns motivos para a falta de efeito significativo dos tratamentos mencionados.

Biografia do Autor

Hassan Heidari, Razi University

Razi University, Kermanshah, Iran.

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Publicado

2026-02-03

Como Citar

Heidari, H. (2026). EFEITO DO ANTITRANSPIRANTE E DO NITROGÊNIO NA PRODUTIVIDADE E GERMINAÇÃO DE SEMENTES DE TRIGO. Revista De Agricultura Neotropical, 13(1). https://doi.org/10.32404/rean.v13i1.8950