ABSCISIC ACID AND KINETIN EFFECTS ON SEED GERMINATION AND SEEDLING EARLY GROWTH OF WHEAT UNDER SALINITY STRESS

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MEHRABI A.A.; YAZDI SAMADI B.; NAGHAVI M.R.; OMIDI MANSOUR; TAVAKOL AFSHARI R.

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Journal: Year:2008 | Volume:20 | Issue:4 (77 IN AGRONOMY AND HORTICULTURE) Page(s): 83-93

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Title

ABSCISIC ACID AND KINETIN EFFECTS ON SEED GERMINATION AND SEEDLING EARLY GROWTH OF WHEAT UNDER SALINITY STRESS

Author(s)

Keywords

WHEATQ3

SALINITY STRESSQ2

GERMINATIONQ3

ABAQ3

KINETINQ2

Abstract

Experiment was carried out in order to study the effects of two plant growth regulators on salinity tolerance status of two WHEAT genotypes Azar2 (tolerant) and Gaspard (susceptible). Salinity decreased GERMINATION percentage and growth of both two genotypes. Tissue water content (TWC) and relative water content (RWC) of seedlings decreased by increasing salt concentration in media. However experiment results showed that salt inhibitory effects on Gaspard Genotype was significantly further than Azar2, in fact this indicate similarity of these two genotypes responses to salinity in GERMINATION and whole plant stages. ABA had drastic inhibitory effects on GERMINATION seedling growth of both two genotypes. But ABA inhibitory effects were much more on coleoptiles and shoot development than its inhibitory effects on roots. Azar2 was more susceptible to ABA treatment than Gaspard. For both genotypes interaction between salt and ABA was significant that means growth response of seedlings under simultaneously two factors salt and ABA was different for various levels of them. KINETIN treatment increased GERMINATION percentage of seeds and fresh and dry weight of seedlings of both genotypes in related to control seedlings. But KINETIN treatment dramatically decreased the growth of roots. TWC and RWC of seedlings were increased under KINETIN treatment. in fact these two parameters are showing significant and high correlation with GERMINATION rate development of seedlings.

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APA: Copy

MEHRABI, A.A., YAZDI SAMADI, B., NAGHAVI, M.R., OMIDI, MANSOUR, & TAVAKOL AFSHARI, R.. (2008). ABSCISIC ACID AND KINETIN EFFECTS ON SEED GERMINATION AND SEEDLING EARLY GROWTH OF WHEAT UNDER SALINITY STRESS. PAJOUHESH-VA-SAZANDEGI, 20(4 (77 IN AGRONOMY AND HORTICULTURE)), 83-93. SID. https://sid.ir/paper/20021/en

Vancouver: Copy

MEHRABI A.A., YAZDI SAMADI B., NAGHAVI M.R., OMIDI MANSOUR, TAVAKOL AFSHARI R.. ABSCISIC ACID AND KINETIN EFFECTS ON SEED GERMINATION AND SEEDLING EARLY GROWTH OF WHEAT UNDER SALINITY STRESS. PAJOUHESH-VA-SAZANDEGI[Internet]. 2008;20(4 (77 IN AGRONOMY AND HORTICULTURE)):83-93. Available from: https://sid.ir/paper/20021/en

IEEE: Copy

A.A. MEHRABI, B. YAZDI SAMADI, M.R. NAGHAVI, MANSOUR OMIDI, and R. TAVAKOL AFSHARI, “ABSCISIC ACID AND KINETIN EFFECTS ON SEED GERMINATION AND SEEDLING EARLY GROWTH OF WHEAT UNDER SALINITY STRESS,” PAJOUHESH-VA-SAZANDEGI, vol. 20, no. 4 (77 IN AGRONOMY AND HORTICULTURE), pp. 83–93, 2008, [Online]. Available: https://sid.ir/paper/20021/en

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