EFFECT OF FOLIAR APPLICATION OF POTASSIUM SILICATE ON SOME MORPHOLOGICAL, PHYSIOLOGICAL AND BIOCHEMICAL CHARACTERISTICS OF ALTERNANTHERA REPENS L. UNDERDROUGHT STRESS

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MEHREGAN BIJAN; MOUSAVI FARD SADEGH; REZAEINEJAD ABDOLHOSSEIN

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Paper Information

Journal: JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE) Year:2018 | Volume:20 | Issue:1 Page(s): 299-314

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Title

EFFECT OF FOLIAR APPLICATION OF POTASSIUM SILICATE ON SOME MORPHOLOGICAL, PHYSIOLOGICAL AND BIOCHEMICAL CHARACTERISTICS OF ALTERNANTHERA REPENS L. UNDERDROUGHT STRESS

Author(s)

MEHREGAN BIJAN | MOUSAVI FARD SADEGH | REZAEINEJAD ABDOLHOSSEIN | Issue Writer Certificate

Keywords

ANTHOCYANINQ2

ELECTROLYTE LEAKAGEQ2

POTASSIUM SILICATEQ1

PROLINEQ1

UNDULATED LEAF GENOTYPEQ1

Abstract

The present study aimed to investigate the effect of silicon (Si) on alleviation of the drought-reverseeffects in two Althernanthera genotypes “ Entire leaf” and “ Undulated leaf” . Pot experiment, consists ofequal parts of soil, sand and manure, was carried out as factorial based on a completely randomizeddesign with six replications. After plants establishment, 0, 1 and 2 mM of silicon were weekly sprayed onplants grown under drought stress conditions (90% field capacity (FC), 75 and 55 percent FC). Sitreatment started one week before the beginning of drought stress. Samples were taken after 12 weeks oftreatment. The analysis of variation showed that increasing drought stress significantly affected allmorphological (plant height, stem diameter and root length), physiological (fresh and dry weight of stemand root, relative water content, ELECTROLYTE LEAKAGE) and biochemical (chlorophyll a, chlorophyll b, totalchlorophyll, PROLINE and ANTHOCYANIN) characteristics. Whereas, silicon application (especially with 2 mMconcentration) alleviated the stress effects and improved growth parameters. ELECTROLYTE LEAKAGE as anindicator of cell membrane integrity was decreased by application of silicon. Results of this study showedthat different varieties have the variable resistance to stress. In this study, “ Undulated leaf” genotype wasmore resistant compared to “ Entire leaf” . So, it can be cultivated in gardens in areas where the waterscarcity is prevalent.

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APA: Copy

MEHREGAN, BIJAN, MOUSAVI FARD, SADEGH, & REZAEINEJAD, ABDOLHOSSEIN. (2018). EFFECT OF FOLIAR APPLICATION OF POTASSIUM SILICATE ON SOME MORPHOLOGICAL, PHYSIOLOGICAL AND BIOCHEMICAL CHARACTERISTICS OF ALTERNANTHERA REPENS L. UNDERDROUGHT STRESS. JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE), 20(1 ), 299-314. SID. https://sid.ir/paper/209510/en

Vancouver: Copy

MEHREGAN BIJAN, MOUSAVI FARD SADEGH, REZAEINEJAD ABDOLHOSSEIN. EFFECT OF FOLIAR APPLICATION OF POTASSIUM SILICATE ON SOME MORPHOLOGICAL, PHYSIOLOGICAL AND BIOCHEMICAL CHARACTERISTICS OF ALTERNANTHERA REPENS L. UNDERDROUGHT STRESS. JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE)[Internet]. 2018;20(1 ):299-314. Available from: https://sid.ir/paper/209510/en

IEEE: Copy

BIJAN MEHREGAN, SADEGH MOUSAVI FARD, and ABDOLHOSSEIN REZAEINEJAD, “EFFECT OF FOLIAR APPLICATION OF POTASSIUM SILICATE ON SOME MORPHOLOGICAL, PHYSIOLOGICAL AND BIOCHEMICAL CHARACTERISTICS OF ALTERNANTHERA REPENS L. UNDERDROUGHT STRESS,” JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE), vol. 20, no. 1 , pp. 299–314, 2018, [Online]. Available: https://sid.ir/paper/209510/en

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