STUDY OF SOME QUANTITATIVE TRAITS AND RESPONSES OF HULL-LESS BARLEY (HORDEUM VULGARE L.) GENOTYPES UNDER TERMINAL HE.AT STRESS CONDITIONS

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JAHANBIN S.; TAHMASBI SARVESTANI Z.A.A.; MODARRESS A.M.

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Journal: Iranian Journal of Crop Sciences Year:2002 | Volume:4 | Issue:4 Page(s): 265-276

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Title

STUDY OF SOME QUANTITATIVE TRAITS AND RESPONSES OF HULL-LESS BARLEY (HORDEUM VULGARE L.) GENOTYPES UNDER TERMINAL HE.AT STRESS CONDITIONS

Author(s)

JAHANBIN S. | TAHMASBI SARVESTANI Z.A.A. | MODARRESS A.M. | Issue Writer Certificate

Keywords

HULL-LESS BARLEYQ3

TERMINAL HEAT STRESSQ2

STRESS TOLERANCE INDEXQ2

STRESS SUSEPTIBILITY INDEXQ2

Abstract

In order to study the effect of TERMINAL HEAT STRESS on some quantitative traits and tolerance of five HULL-LESS BARLEY genotypes, an experiment was carried out at the Gachsaran, Iran, on a silty clay loam soil, using a split plot experimental design with three replications. Four sowing dates (Dec. 6 and Dec. 21 in 2000, and Jan. 5 and Jan. 20 in 2001) were assigned to main plots and five HULL-LESS BARLEY genotypes (FICC0963, FICCI570. FICC 1571, FICC 1725 and FICC 2712) to subplots. Results indicated that delay in sowing date decreased dry matter (16%), plant height (19%), grain yield (23%), harvest index (9%), number of days to flowering (11%) and number of days to physiological maturity (16%). Grain yield reduction was due mainly to reduced spike number per m2 (12%), 1000 grain weight (16%) and duration of grain filling (30%). Genotypes showed different responses to TERMINAL HEAT STRESS and the highest grain yield was obtained from FICC0963. Considering the STRESS TOLERANCE INDEX (STI), FICC 0963 had the highest grain yield under the optimum condition (4285 kg / ha) as well as under TERMINAL HEAT STRESS condition (3361 kg / ha). It also performed to be resistant to TERMINAL HEAT STRESS conditions, according to stress susceptibility index (SSI).

Cites

EFFECT OF SEED DETERIORATION AND PLANT DENSITY ON YIELD AND YIELD COMPONENTS OF HULL-LESS BARLEY (HORDEUM VULGAR L.)

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APA: Copy

JAHANBIN, S., TAHMASBI SARVESTANI, Z.A.A., & MODARRESS, A.M.. (2002). STUDY OF SOME QUANTITATIVE TRAITS AND RESPONSES OF HULL-LESS BARLEY (HORDEUM VULGARE L.) GENOTYPES UNDER TERMINAL HE.AT STRESS CONDITIONS. IRANIAN JOURNAL OF CROP SCIENCES, 4(4), 265-276. SID. https://sid.ir/paper/57372/en

Vancouver: Copy

JAHANBIN S., TAHMASBI SARVESTANI Z.A.A., MODARRESS A.M.. STUDY OF SOME QUANTITATIVE TRAITS AND RESPONSES OF HULL-LESS BARLEY (HORDEUM VULGARE L.) GENOTYPES UNDER TERMINAL HE.AT STRESS CONDITIONS. IRANIAN JOURNAL OF CROP SCIENCES[Internet]. 2002;4(4):265-276. Available from: https://sid.ir/paper/57372/en

IEEE: Copy

S. JAHANBIN, Z.A.A. TAHMASBI SARVESTANI, and A.M. MODARRESS, “STUDY OF SOME QUANTITATIVE TRAITS AND RESPONSES OF HULL-LESS BARLEY (HORDEUM VULGARE L.) GENOTYPES UNDER TERMINAL HE.AT STRESS CONDITIONS,” IRANIAN JOURNAL OF CROP SCIENCES, vol. 4, no. 4, pp. 265–276, 2002, [Online]. Available: https://sid.ir/paper/57372/en

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