EVALUATION OF DROUGHT TOLERANT INDICES AT DIFFERENT GROWTH STAGES OF CHICKPEA GENOTYPES (CICER ARIETINUM L.)

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TAGHIKHANI H.; EIVAZI A.R.; REZADOOST S.; ROSHDI M.

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Journal: JOURNAL OF RESEARCH IN CROP SCIENCES Year:2011 | Volume:2 | Issue:7 Page(s): 1-13

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Title

EVALUATION OF DROUGHT TOLERANT INDICES AT DIFFERENT GROWTH STAGES OF CHICKPEA GENOTYPES (CICER ARIETINUM L.)

Author(s)

TAGHIKHANI H. | EIVAZI A.R. | REZADOOST S. | ROSHDI M. | Issue Writer Certificate

Keywords

CHICKPEAQ3

DROUGHT STRESS INDICES AND GRAIN YIELDQ3

Abstract

To investigate the effect of drought stress on different growth stages of CHICKPEA genotypes and determine the best drought stress index and tolerant genotypes against drought stress, an experiment was carried out in the Saatlu station in 2008, by split plot based on the randomized complete block design with four replications. Treatment included four levels of irrigation based on water with-holding in stage of appearance branches, water with-holding in flowering stage, water with-holding in appearance pods forming and control (without stress) assigned to main plot, and seven genotypes Ghazvin, Bivanich, Flip97-111c, Flip99-1c, Flip 98-134c, ILC3279 and Flip98-143c as sub plot. The result showed that drought stress significantly decreased per plant dry weight, number of empty pods, number of seeded pods, grain number per pod, weight of grain per plant, plant height, number of secondary branches, height of first pod from surface of ground, days to maturity, grain yield per plot and total dry weight of plants per plot but didn't have significant effect on weight of 100 grain, protein percentage and harvest index. Also, there were significant differences between varieties in all traits, except for number of empty pods. The highest grain yield was obtained from control treatment in Flip99-1c (171 gr/m2) and lower by imposing stress on pod forming stage in ILC3279 (51.2 gr/m2), which is the most sensitive stage of growth in CHICKPEA. Flip99-1c among varieties produced highest grain yield both under normal irrigation and drought stress. It seems that it is the most tolerant variety. In this experiment, stress tolerance index (STI), mean productivity (MP), geometric mean productivity (GMP), tolerance index (TOL), harmonic mean (HAR) had significant difference for drought stress in all growth stages and in CHICKPEA genotypes, but stress susceptibility index (SSI) didn't have significant difference. These indices, indicate that Flip 99-1c at appearance branch stage, were most resistant against drought stress.

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APA: Copy

TAGHIKHANI, H., EIVAZI, A.R., REZADOOST, S., & ROSHDI, M.. (2011). EVALUATION OF DROUGHT TOLERANT INDICES AT DIFFERENT GROWTH STAGES OF CHICKPEA GENOTYPES (CICER ARIETINUM L.). JOURNAL OF RESEARCH IN CROP SCIENCES, 2(7), 1-13. SID. https://sid.ir/paper/167938/en

Vancouver: Copy

TAGHIKHANI H., EIVAZI A.R., REZADOOST S., ROSHDI M.. EVALUATION OF DROUGHT TOLERANT INDICES AT DIFFERENT GROWTH STAGES OF CHICKPEA GENOTYPES (CICER ARIETINUM L.). JOURNAL OF RESEARCH IN CROP SCIENCES[Internet]. 2011;2(7):1-13. Available from: https://sid.ir/paper/167938/en

IEEE: Copy

H. TAGHIKHANI, A.R. EIVAZI, S. REZADOOST, and M. ROSHDI, “EVALUATION OF DROUGHT TOLERANT INDICES AT DIFFERENT GROWTH STAGES OF CHICKPEA GENOTYPES (CICER ARIETINUM L.),” JOURNAL OF RESEARCH IN CROP SCIENCES, vol. 2, no. 7, pp. 1–13, 2011, [Online]. Available: https://sid.ir/paper/167938/en

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