Table 1.
Physical and chemical properties of the soils that were tested, in years 2013 and 2014.
Table 2.
Effects of soil salinity on fiber quality of the two cotton cultivars in years 2013 and 2014.
Table 3.
Effects of soil salinity on cellulose content, sucrose content, and sucrose transformation rate in cotton fibers of the two cotton cultivars, in years 2013 and 2014.
Fig 1.
Correlation coefficients among parameters in fibers of two cotton cultivars during 2013–2014.
UHML-fiber upper-half mean length, MIC-micronaire value, ST-fiber strength, CELmax-maximum cellulose content, Tr-sucrose transformation rate. * and **, significant differences at P = 0.01 and P = 0.05 probability levels, respectively. n = 6, R0.05 = 0.811, R0.01 = 0.917.
Fig 2.
Effects of soil salinity on dynamics of acidic invertase activity in cotton fiber with cultivars of CCRI-79 and Simian 3 in 2013 and 2014.
LS: low soil-salinity, MS: medium soil-salinity, and HS: high soil-salinity. Vertical bars represent ± standard error (n = 3).
Fig 3.
Effects of soil salinity on dynamics of alkaline invertase activity in cotton fiber with cultivars of CCRI-79 and Simian 3 in 2013 and 2014.
LS: low soil-salinity, MS: medium soil-salinity, and HS: high soil-salinity. Vertical bars represent ± standard error (n = 3).
Fig 4.
Effects of soil salinity on dynamics of sucrose synthesis activity in cotton fiber with cultivars of CCRI-79 and Simian 3 in 2013 and 2014.
LS: low soil-salinity, MS: medium soil-salinity, and HS: high soil-salinity. Vertical bars represent ± standard error (n = 3).
Fig 5.
Effects of soil salinity on dynamics of sucrose phosphate synthase activity in cotton fiber with cultivars of CCRI-79 and Simian 3 in 2013 and 2014.
LS: low soil-salinity, MS: medium soil-salinity, and HS: high soil-salinity. Vertical bars represent ± standard error (n = 3).
Table 4.
Comparisons of coefficients of variations on the activities of sucrose metabolism enzymes in cotton fibers of the two cultivars at different soil salinity levels, in years 2013 and 2014.