MICROSPORE EMBRYOGENESIS IN DIFFERENT HYBRIDS OF BREAD WHEAT (TRITICUM AESTIVUM L.) AND IMPROVEMENT OF EMBRYOGENESIS EFFICIENCY VIA 2,4-D STRESS PRE-TREATMENT

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TAYEFE AFSHARI B.; SHARIATPANAHI M.E.; VAHABZADEH M.

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Journal: Crop Biotechnology Year:2011 | Volume:1 | Issue:1 Page(s): 13-21

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Title

MICROSPORE EMBRYOGENESIS IN DIFFERENT HYBRIDS OF BREAD WHEAT (TRITICUM AESTIVUM L.) AND IMPROVEMENT OF EMBRYOGENESIS EFFICIENCY VIA 2,4-D STRESS PRE-TREATMENT

Author(s)

TAYEFE AFSHARI B. | SHARIATPANAHI M.E. | VAHABZADEH M. | Issue Writer Certificate

Keywords

WHEATQ3

MICROSPOREQ2

EMBRYOGENESISQ2

DOUBLED HAPLOIDQ3

2Q3

4-D (2Q2

4-DI CHLOROPHENOXYACETIC ACID)Q2

Abstract

The objective of this study was to achieve improved induction of EMBRYOGENESIS in bread WHEAT MICROSPOREs. Some F1 hybrids i.e M85-6×90, M85-8×90, mv17×shiroudi, mv17×kavir and kavir×bam were used. MICROSPOREs were cultured in A2 medium containing different amounts of maltose (60 & 90 g/lit) depending on the genotype used. Analysis of variance for EMBRYOGENESIS and regenerable embryos showed a highly significant difference between hybrids but there was no significant difference between the media (A2-60 & A2-90) and no interaction effects. M85-6×90, mv17×Shiroudi and mv17×kavir produced the highest ratio of EMBRYOGENESIS among the hybrids. In the regeneration phase, mv17×Shiroudi and M85-6×90 had the highest frequency of regenerable embryos. The effect of 2,4-D as a novel inducer of MICROSPOREs EMBRYOGENESIS in Falat was investigated. Falat is known as the most responsive WHEAT cultivar to MICROSPORE culture technology,. MICROSPOREs were subjected to 2,4-D at 3 different concentrations of 15, 25, 35 mg/l for 30 minutes while MICROSPOREs without any stress treatment were used as the control. The EMBRYOGENESIS of MICROSPOREs stressed with 2,4-D were better than that of the control. The highest EMBRYOGENESIS yield was achieved at 15 mg/l 2,4-D. The most regenerated embryos were obtained at 2,4-D concentrations of 15 and 25 mg/l. According to the results obtained, 2,4-D is introduced as a new EMBRYOGENESIS inducer in MICROSPOREs of WHEAT.

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APA: Copy

TAYEFE AFSHARI, B., SHARIATPANAHI, M.E., & VAHABZADEH, M.. (2011). MICROSPORE EMBRYOGENESIS IN DIFFERENT HYBRIDS OF BREAD WHEAT (TRITICUM AESTIVUM L.) AND IMPROVEMENT OF EMBRYOGENESIS EFFICIENCY VIA 2,4-D STRESS PRE-TREATMENT. JOURNAL OF CROP BIOTECHNOLOGY, 1(1), 13-21. SID. https://sid.ir/paper/226793/en

Vancouver: Copy

TAYEFE AFSHARI B., SHARIATPANAHI M.E., VAHABZADEH M.. MICROSPORE EMBRYOGENESIS IN DIFFERENT HYBRIDS OF BREAD WHEAT (TRITICUM AESTIVUM L.) AND IMPROVEMENT OF EMBRYOGENESIS EFFICIENCY VIA 2,4-D STRESS PRE-TREATMENT. JOURNAL OF CROP BIOTECHNOLOGY[Internet]. 2011;1(1):13-21. Available from: https://sid.ir/paper/226793/en

IEEE: Copy

B. TAYEFE AFSHARI, M.E. SHARIATPANAHI, and M. VAHABZADEH, “MICROSPORE EMBRYOGENESIS IN DIFFERENT HYBRIDS OF BREAD WHEAT (TRITICUM AESTIVUM L.) AND IMPROVEMENT OF EMBRYOGENESIS EFFICIENCY VIA 2,4-D STRESS PRE-TREATMENT,” JOURNAL OF CROP BIOTECHNOLOGY, vol. 1, no. 1, pp. 13–21, 2011, [Online]. Available: https://sid.ir/paper/226793/en

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