Crescimento de genótipos de algodoeiro em função da salinidade da água de irrigação - DOI: 10.4025/actasciagron.v25i2.1904

Aleksandra Gomes Jácome; Rosa Honorato de Oliveira; Pedro Dantas Fernandes; Hans Raj Gheyi; Adailson Pereira de Souza; Antonio Carlos Andrade Gonçalves

doi:10.4025/actasciagron.v25i2.1904

Growth of cotton genotypes in level of salinity of the irrigation water

Authors

Aleksandra Gomes Jácome UEM Author
Rosa Honorato de Oliveira UNESP Author
Pedro Dantas Fernandes UFPB Author
Hans Raj Gheyi UFPB Author
Adailson Pereira de Souza UEPB Author
Antonio Carlos Andrade Gonçalves UEM Author

DOI:

https://doi.org/10.4025/actasciagron.v25i2.1904

Keywords:

Gossypium hirsutum, tolerância, estresse salino

Abstract

This experiment was carried on the period of May to November of 1998, at greenhouse, of DEAg/CCT/UFPB, Campina Grande-PB whith the objective study the effect of five levels of salinity of the irrigation water (2,0; 4,0; 6,0; 8,0 and 10,0dS.m^-1 to 25ºC), on the growth of five cotton genotypes (CNPA Precoce 1, CNPA Precoce 2, CNPA 7H, CNPA Acala 93/15 and Embrapa 113-Algodão.7MH) with three replications completely randomized in fatorial 5 x 5. We using material whith a loamy-sand, soil texture, previonsly classified as saline sodic soil. The following variables were analysed: plant height, leaf and branch number, leaf area, vegetal matter weight. The results indicate to be the sensitive cotton to the salinity in the growth variables, being the weight of the dry mater of branches the variable more affected in all the genotypes. Among the genotypes, cultivar Precoce CNPA 2 the most sensitive to the saline stress, while cultivar Embrapa 113- Algodão.7MH the most tolerant.

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Author Biography

Aleksandra Gomes Jácome, UEM

Possui graduação em Agronomia pela Universidade Federal da Paraíba (1997) , mestrado em Engenharia Agrícola pela Universidade Federal da Paraíba (1999) e doutorado em Pós Gradução Em Agronomia pela Universidade Estadual de Maringá (2006) . Atualmente é estudante da Universidade Estadual de Maringá e professor da faculdade de ensino superior da amazônia reunida. Tem experiência na área de Engenharia Agrícola , com ênfase em Engenharia de Ãgua e Solo. Atuando principalmente nos seguintes temas: irrigação, TDR Currículo Lattes

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Published

2008-04-23

Issue

Vol. 25 No. 2 (2003)

Section

Agronomy

License

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How to Cite

Growth of cotton genotypes in level of salinity of the irrigation water. (2008). Acta Scientiarum. Agronomy, 25(2), 305-313. https://doi.org/10.4025/actasciagron.v25i2.1904