The effect of metabolism in response to water stress in Parthenium argentatum Gray

Baher Nik, Z.; Mirza, M.; Abbaszadeh, B.; Naderi Hajy Bagher Candy, M.

Document Type : Research Paper

Authors

Research Institute of Forests and Rangelands, Tehran, Iran

Abstract

Since the relationship between soil and water status of plants and its effect on growth, propagation and metabolism process, the effect of water stress on Parthenium argetatum, was investigated. Irrigation treatments were selected based on different percentage of field capacity (FC), including (1)a control sample which was irrigated to full field capacity during the growing season (FC), (2) two moderate water stress treatments (LS1=75% and LS2=50% of field capacity) and (3) severe water stress treatments (HS=25% of field capacity). Results showed that plant RWC (relative water content) decreased from 65.8% to 42.8%. Also water stress induced high amount of sugar and proline. The amount of sugar was the highest in sever treatment (HS=2.9 mg/g FW) while it was the least in FC treatment (1.07 mg/g FW). The amount of proline was the highest in sever treatment (HS= 4.28 mM) while it changed from 1.1 in LS1, 1.56 in LS2 and the least (0.96 mM) in FC treatments.

Keywords

References

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Iranian Journal of Medicinal and Aromatic Plants Research

The effect of metabolism in response to water stress in Parthenium argentatum Gray

References

References

Volume 23, Issue 3 - Serial Number 37
November 2007
Pages 315-322

The effect of metabolism in response to water stress in Parthenium argentatum Gray

References

References

Volume 23, Issue 3 - Serial Number 37November 2007Pages 315-322

Volume 23, Issue 3 - Serial Number 37
November 2007
Pages 315-322