EFFECT OF DROUGHT STRESS AT DIFFERENT GROWTH STAGES OF CHICKPEA GENOTYPES ON BIOLOGICAL NITROGEN FIXATION

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HASHEMI KHABIR S.H.; EIVAZI A.R.; REZADUST S.; HASHEMI KHABIR Z.; HASHEMI KHABIR H.

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Journal: JOURNAL OF RESEARCH IN CROP SCIENCES Year:2011 | Volume:3 | Issue:11 Page(s): 67-82

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Title

EFFECT OF DROUGHT STRESS AT DIFFERENT GROWTH STAGES OF CHICKPEA GENOTYPES ON BIOLOGICAL NITROGEN FIXATION

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Keywords

BIOLOGICAL NITROGEN FIXATION‚ DROUGHT STRESS‚ CHICKPEA GENOTYPE‚ GRAIN YEILDQ1

Abstract

To evaluate the effect of drought stress at different growth periods of chickpea genotypes on biological nitrogen fixation, an experiment was carried out in Saatloo agricultural research station in cropping seasons of 2008-2009. The experiment was in Split Plot based on Randomized Complete Blocks Design with four replications. Irrigation treatments including water holding at flowering, pod formation and grain setting stages with control were the main plots. Genotypes of Pirooz, ILC482, Kaka and Gazvin were considered as sub plots. Drought stress had significant effect on nitrogen percentage of plants‚ number of root nods‚ root dry weight‚ nods dry weight‚ grain yeild‚ total dry matter‚ number of pods per plant and 100- kernel weight. All of genotypes had significant differences (P≤0.01). The most susceptible growth stage in nitrogen fixation was the occurance of drought stress in flowering stage. Ghazvin and Pirooz genotypes in drought stress had respectively the lowest and highest decrease in nitrogen fixation in their optimum growth condition. Pirooz and Kaka consequently were the most susceptible and tolerant genotypes to drought stress. Correlations of traits that related to nitrogen fixation in drought stress and control in flowering and grain setting stages showed the most positive significance (P≤0.01). Correlation was in number of root nodes with nod dry weight and in drought stress treatment in pod formation stage, the most positive and significant correlation (P≤0.01) was in the number of root nods with root dry weight.

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APA: Copy

HASHEMI KHABIR, S.H., EIVAZI, A.R., REZADUST, S., HASHEMI KHABIR, Z., & HASHEMI KHABIR, H.. (2011). EFFECT OF DROUGHT STRESS AT DIFFERENT GROWTH STAGES OF CHICKPEA GENOTYPES ON BIOLOGICAL NITROGEN FIXATION. JOURNAL OF RESEARCH IN CROP SCIENCES, 3(11), 67-82. SID. https://sid.ir/paper/167907/en

Vancouver: Copy

HASHEMI KHABIR S.H., EIVAZI A.R., REZADUST S., HASHEMI KHABIR Z., HASHEMI KHABIR H.. EFFECT OF DROUGHT STRESS AT DIFFERENT GROWTH STAGES OF CHICKPEA GENOTYPES ON BIOLOGICAL NITROGEN FIXATION. JOURNAL OF RESEARCH IN CROP SCIENCES[Internet]. 2011;3(11):67-82. Available from: https://sid.ir/paper/167907/en

IEEE: Copy

S.H. HASHEMI KHABIR, A.R. EIVAZI, S. REZADUST, Z. HASHEMI KHABIR, and H. HASHEMI KHABIR, “EFFECT OF DROUGHT STRESS AT DIFFERENT GROWTH STAGES OF CHICKPEA GENOTYPES ON BIOLOGICAL NITROGEN FIXATION,” JOURNAL OF RESEARCH IN CROP SCIENCES, vol. 3, no. 11, pp. 67–82, 2011, [Online]. Available: https://sid.ir/paper/167907/en

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