MECHANISM OF DROUGHT STRESS TOLERANCE OF GF677 ROOTSTOCK (PEACH AND ALMOND HYBRID) UNDER IN VITRO CONDITIONS

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MASHAYEKHI MEHRI; HABIBI FARIBORZ; AMIRI MOHAMMAD ESMAEIL

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Journal: JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE) Year:2014 | Volume:16 | Issue:3 Page(s): 707-716

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Title

MECHANISM OF DROUGHT STRESS TOLERANCE OF GF677 ROOTSTOCK (PEACH AND ALMOND HYBRID) UNDER IN VITRO CONDITIONS

Author(s)

MASHAYEKHI MEHRI | HABIBI FARIBORZ | AMIRI MOHAMMAD ESMAEIL | Issue Writer Certificate

Keywords

ANTIOXIDANT ENZYMESQ2

OSMOREGULATIONQ2

PROLINEQ2

SOLUBLE SUGARSQ2

TOTAL PROTEINQ2

Abstract

Mechanisms of drought stress tolerance of GF677 rootstock, peach and almond hybrid, (Prunus persica × Prunus amygdalus) were studied under in vitro conditions. Plantlets of GF677 rootstock were subcultured into the Murashige and Skoog (MS) solid proliferation medium containing one mg/l BA (6-Benzyladenine)and 0.1 mg/l NAA (naphthaline acetic acid) in four drought stress levels zero (control), 10, 20 and 30 gr/l polyethylene glycol 6000 (corresponding to osmotic potentials zero, -0.2, -0.4 and -0.6 MPa, respectively). After six weeks results showed that induceddrought stress had a significant effect on measured parameters. By increasing drought levels in the culture medium, ANTIOXIDANT ENZYMES activity (catalase and peroxidase), TOTAL PROTEIN content and PROLINE content significantly increased; meanwhile SOLUBLE SUGARS had non-significant increasing in the different levels of drought. According to the results it can be concluded that, the most important mechanisms of drought tolerance of GF677 rootstock under in vitro conditions are the use of antioxidant defense system, increasing protein synthesis (enhancing genes expression) and PROLINE accumulation and OSMOREGULATION by SOLUBLE SUGARS had less important.

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APA: Copy

MASHAYEKHI, MEHRI, HABIBI, FARIBORZ, & AMIRI, MOHAMMAD ESMAEIL. (2014). MECHANISM OF DROUGHT STRESS TOLERANCE OF GF677 ROOTSTOCK (PEACH AND ALMOND HYBRID) UNDER IN VITRO CONDITIONS. JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE), 16(3), 707-716. SID. https://sid.ir/paper/209418/en

Vancouver: Copy

MASHAYEKHI MEHRI, HABIBI FARIBORZ, AMIRI MOHAMMAD ESMAEIL. MECHANISM OF DROUGHT STRESS TOLERANCE OF GF677 ROOTSTOCK (PEACH AND ALMOND HYBRID) UNDER IN VITRO CONDITIONS. JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE)[Internet]. 2014;16(3):707-716. Available from: https://sid.ir/paper/209418/en

IEEE: Copy

MEHRI MASHAYEKHI, FARIBORZ HABIBI, and MOHAMMAD ESMAEIL AMIRI, “MECHANISM OF DROUGHT STRESS TOLERANCE OF GF677 ROOTSTOCK (PEACH AND ALMOND HYBRID) UNDER IN VITRO CONDITIONS,” JOURNAL OF CROPS IMPROVEMENT (JOURNAL OF AGRICULTURE), vol. 16, no. 3, pp. 707–716, 2014, [Online]. Available: https://sid.ir/paper/209418/en

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