Salt stress in cotton plant development stages

ISBN-13: 9786203903287 / Angielski / Miękka / 104 str.

Lauriane Almeida dos Anjos Soares; Pedro Dantas Fernandes; Geovani S de Lima

Opis

The use of saline water in agriculture has become a reality in many areas of the world, as tolerance to salinity varies between stages of crop development and also with the genotype used. Equally important are studies into plant recovery after exposure to salinity, which could be a strategy for using saline water in irrigation. With this in mind, the aim of this research was to determine the tolerance of naturally coloured cotton genotypes, varying the stages of plant development, under conditions of low and high salinity and to assess recovery after exposure to saline stress. In an experiment carried out in the greenhouse of the Agricultural Engineering Academic Unit, Campina Grande Campus, three cotton genotypes were assessed (G1 - BRS Rubi 1; G2 - BRS Topázio; G3 - BRS Safira), subjected to seven salinity management strategies, varying the quality of the water applied at different stages of the plant cycle. Combining the factors in a randomised block design resulted in 21 treatments (3 x 7) with three plants per plot and three replications.