Effect of sodium chloride and manganese in irrigation water on cotton growth

Wenling Chen, Zaimin Wang, Menggui Jin, Paul A Ferre, Jiale Wang, Jinou Huang, Xiao Wang

Research output: Contribution to journalArticle

Abstract

Brackish water is used widely for agriculture around the world. The elevated NaCl and Mn content in brackish water can impose toxicity stress on crops, including cotton (Gossypium hirsutum L.). However, there have been no previous studies of the combined effects of NaCl and Mn on cotton growth. This study presents greenhouse pot experiments with 30 different NaCl and Mn conditions. The results show that the cotton vegetative growth tends to be highest when both NaCl and Mn concentrations in irrigation water were low. In contrast, the cotton reproductive growth parameters were higher for elevated NaCl and Mn concentrations in irrigation water. There was an antagonistic relationship for the combined effect of NaCl and Mn on cotton growth and yield. The Mn content in cotton leaves increased with increasing Mn concentration in the 4.5–72 µmmol L−1 range when the NaCl concentration was low. Na content in cotton leaves generally increased as NaCl concentration in irrigation water increased. However, the excess Mn concentration in irrigation water inhibited the absorption of Na. The ratios of K/Na and Ca/Na in the cotton plant generally decreased as NaCl concentration in irrigation water increased. This led to lower tolerance of cotton plants to NaCl stress. The antagonistic characteristics between NaCl and specific trace elements for cotton growth and yield indicated that the micronutrients in saline water can alleviate salt damage. This suggests that using saline water for irrigation carefully may produce adequate cotton yield with lower quality water while minimizing soil salinization.

Original languageEnglish (US)
Pages (from-to)900-909
Number of pages10
JournalAgronomy Journal
Volume110
Issue number3
DOIs
StatePublished - May 1 2018

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sodium chloride
irrigation water
manganese
cotton
brackish water
saline water
soil salinization
dietary minerals
Gossypium hirsutum
water uptake
vegetative growth
trace elements
leaves
water quality
irrigation
toxicity
agriculture
salts
greenhouses
crops

ASJC Scopus subject areas

  • Agronomy and Crop Science

Cite this

Effect of sodium chloride and manganese in irrigation water on cotton growth. / Chen, Wenling; Wang, Zaimin; Jin, Menggui; Ferre, Paul A; Wang, Jiale; Huang, Jinou; Wang, Xiao.

In: Agronomy Journal, Vol. 110, No. 3, 01.05.2018, p. 900-909.

Research output: Contribution to journalArticle

Chen, Wenling ; Wang, Zaimin ; Jin, Menggui ; Ferre, Paul A ; Wang, Jiale ; Huang, Jinou ; Wang, Xiao. / Effect of sodium chloride and manganese in irrigation water on cotton growth. In: Agronomy Journal. 2018 ; Vol. 110, No. 3. pp. 900-909.
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