INVESTIGATION OF MORPHOLOGICAL AND PHYSIOLOGICAL RESPONSES OF LETTUCE PLANTS INOCULATED BY PIRIFORMOSPORA INDICA UNDER SALINITY STRESS

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FATTAHI SAJJAD; SAIDI MEHDI; ZAREA MOHAMMAD JAVAD

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Journal: JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE) Year:2017 | Volume:19 | Issue:2 Page(s): 243-255

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Title

INVESTIGATION OF MORPHOLOGICAL AND PHYSIOLOGICAL RESPONSES OF LETTUCE PLANTS INOCULATED BY PIRIFORMOSPORA INDICA UNDER SALINITY STRESS

Author(s)

FATTAHI SAJJAD | SAIDI MEHDI | ZAREA MOHAMMAD JAVAD | Issue Writer Certificate

Keywords

CATALASE ENZYMEQ1

PROLINEQ2

INOCULATIONQ2

SALINITY DAMAGEQ1

ION LEAKAGEQ1

Abstract

In order to evaluate morphological and physiological responses of lettuce plants inoculated/ non-inoculated with Piriformospora indica under salinity stress, a factorial experiment on the basis of randomized complete block design (RCBD) with three replications was carried out under greenhouse conditions. Main factor was consisted of inoculated or non-inoculated seeds with the fungus and the sub-factor included three levels of irrigation water salinity (tap water with EC=0. 8 dS/m as control and saline water with ECs of 4 and 8 dS/m). Salinity stress significantly decreased most of growth parameters and P. indica declined the adverse effects of salinity. An increase in fresh foliage weight and leaf area observed for plants inoculated with P. indica. These plants showed less leaf damage symptoms under stress condition. INOCULATION by the fungus significantly increased the volume and length of root in comparison with control plants. Inoculated plants contained higher concentration of PROLINE, photosynthetic pigments and CATALASE ENZYME activity in their leaves rather than control plants. The lowest ionic leakage was observed in P. indica-inoculated plants at EC=4 dS/m. The results revealed the usefulness of P. indica fungus in production of lettuce under salinity stress up to 4 dS/m. But INOCULATION with the fungus did not lead to desirable results at 8 dS/m.

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APA: Copy

FATTAHI, SAJJAD, SAIDI, MEHDI, & ZAREA, MOHAMMAD JAVAD. (2017). INVESTIGATION OF MORPHOLOGICAL AND PHYSIOLOGICAL RESPONSES OF LETTUCE PLANTS INOCULATED BY PIRIFORMOSPORA INDICA UNDER SALINITY STRESS. JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE), 19(2 ), 243-255. SID. https://sid.ir/paper/209211/en

Vancouver: Copy

FATTAHI SAJJAD, SAIDI MEHDI, ZAREA MOHAMMAD JAVAD. INVESTIGATION OF MORPHOLOGICAL AND PHYSIOLOGICAL RESPONSES OF LETTUCE PLANTS INOCULATED BY PIRIFORMOSPORA INDICA UNDER SALINITY STRESS. JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE)[Internet]. 2017;19(2 ):243-255. Available from: https://sid.ir/paper/209211/en

IEEE: Copy

SAJJAD FATTAHI, MEHDI SAIDI, and MOHAMMAD JAVAD ZAREA, “INVESTIGATION OF MORPHOLOGICAL AND PHYSIOLOGICAL RESPONSES OF LETTUCE PLANTS INOCULATED BY PIRIFORMOSPORA INDICA UNDER SALINITY STRESS,” JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE), vol. 19, no. 2 , pp. 243–255, 2017, [Online]. Available: https://sid.ir/paper/209211/en

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