EFFECT OF DROUGHT STRESS AND METHANOL ON CHLOROPHYLL PARAMETERS, CHLOROPHYLL CONTENT AND RELATIVE WATER CONTENT OF SOYBEAN (GLYCINE MAX L., VAR. L 17)

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MIRAKHORI M.; PAKNEJAD F.; MORADI F.; ARDAKANI M.R.; NAZERI P.; ESMAEILPOR JAHROMI M.

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Journal: Iranian Journal of Field Crops Research Year:2010 | Volume:8 | Issue:3 Page(s): 531-541

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Title

EFFECT OF DROUGHT STRESS AND METHANOL ON CHLOROPHYLL PARAMETERS, CHLOROPHYLL CONTENT AND RELATIVE WATER CONTENT OF SOYBEAN (GLYCINE MAX L., VAR. L 17)

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Keywords

DROUGHT STRESSQ2

METHANOLQ2

CHLOROPHYLL QUICK FLUORESCENCEQ3

CHLOROPHYLL CONTENTQ3

SOYBEANQ2

Abstract

In order to investigate the effects of METHANOL application on some physiological properties of SOYBEAN under low water stress, a factorial experiment was conducted at Research Field of Faculty of Agriculture and Natural Resources, Islamic Azad University-Karaj Branch, Karaj, Iran, during 2008, based on a randomized complete block design with three replications. The first factor was consisted of different levels of METHANOL equal to 0 (control), 7, 14, 21, 28 and 35 volumetric percentage (v/v), which were used as foliar applications at three times during growth season of SOYBEAN, with 15 days intervals. The second factor was water stress conditions in two levels, based on depletion of 40 and 70% of available soil moisture. Some traits such as grain yield (GY), relative water content (RWC), chlorophyll fluorescence parameters, and CHLOROPHYLL CONTENT were measured, one day before and after the third METHANOL application. Results showed that CHLOROPHYLL CONTENT (Chl), GY, electrolytes leakage (EL) at second sampling, photochemical capacity of PSII (Fv/Fm), maximum and variable fluorescence (Fm and FV, respectively) were affected by water stress significantly (p<0.05). As drought severity was increased, mean values of Fv/Fm, Chl and RWC tend to decline, whereas minimum (initial) fluorescence (F0) and El were increased. METHANOL foliar application influenced significantly (p<0.05) Chl, GY, Fv/Fm, Fm, Fv, and RWC. There was a positive, high correlation between GY with Fm, Fv/Fm, and also Chl and RWC in both samplings. It seems applying METHANOL on water stressed SOYBEAN plants can reduce harmful effects of drought and improve plant potential to cope with stress.

Cites

EFFECT OF DROUGHT STRESS AND METHANOL ON CHLOROPHYLL CONTENT, RELATIVE WATER CONTENT AND MEMBRANE STABILITY OF WILLIAMS SOYBEAN CULTIVAR

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APA: Copy

MIRAKHORI, M., MORADI, F., PAKNEJAD, F., ARDAKANI, M.R., NAZERI, P., & ESMAEILPOR JAHROMI, M.. (2010). EFFECT OF DROUGHT STRESS AND METHANOL ON CHLOROPHYLL PARAMETERS, CHLOROPHYLL CONTENT AND RELATIVE WATER CONTENT OF SOYBEAN (GLYCINE MAX L., VAR. L 17). IRANIAN JOURNAL OF FIELD CROPS RESEARCH, 8(3), 531-541. SID. https://sid.ir/paper/119364/en

Vancouver: Copy

MIRAKHORI M., MORADI F., PAKNEJAD F., ARDAKANI M.R., NAZERI P., ESMAEILPOR JAHROMI M.. EFFECT OF DROUGHT STRESS AND METHANOL ON CHLOROPHYLL PARAMETERS, CHLOROPHYLL CONTENT AND RELATIVE WATER CONTENT OF SOYBEAN (GLYCINE MAX L., VAR. L 17). IRANIAN JOURNAL OF FIELD CROPS RESEARCH[Internet]. 2010;8(3):531-541. Available from: https://sid.ir/paper/119364/en

IEEE: Copy

M. MIRAKHORI, F. MORADI, F. PAKNEJAD, M.R. ARDAKANI, P. NAZERI, and M. ESMAEILPOR JAHROMI, “EFFECT OF DROUGHT STRESS AND METHANOL ON CHLOROPHYLL PARAMETERS, CHLOROPHYLL CONTENT AND RELATIVE WATER CONTENT OF SOYBEAN (GLYCINE MAX L., VAR. L 17),” IRANIAN JOURNAL OF FIELD CROPS RESEARCH, vol. 8, no. 3, pp. 531–541, 2010, [Online]. Available: https://sid.ir/paper/119364/en

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