EVALUATING THE EFFECT OF SALINITY STRESSES ON SOME OF THE TRAITS OF RICE AT THE GERMINATION STAGE

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SHARIFI P.

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Journal: PLANT AND ECOSYSTEM Year:2013 | Volume:9 | Issue:34-1 (SUPPLEMENT) Page(s): 31-39

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Title

EVALUATING THE EFFECT OF SALINITY STRESSES ON SOME OF THE TRAITS OF RICE AT THE GERMINATION STAGE

Author(s)

SHARIFI P. | Issue Writer Certificate

Keywords

RICEQ2

GERMINATION PERCENTAGEQ2

GERMINATION SPEEDQ2

RADICLE LENGTHQ2

PLUMULE LENGTHQ2

Abstract

RICE (Oryza sativa L.) is one of the most significant crops in the world, which is an important food crop for more that 50% of the people in the world. Abiotic stresses such as salinity are important barriers against crop production in different parts of the world specially the arid and semiarid regions. In an attempt to investigate the effects of salinity stress in different sodium chloride (NaCl) concentrations on the germination and the primary growth of the plantlets, a factorial experiment was carried out on the seeds of six different types of RICE, following a completely randomized design with three replications. Different traits including: the percentage and speed of germination, radicle and PLUMULE LENGTHs, and the reduction percentage of each of the traits in the comparison between the salinity (11.2dSm-1) and control treatments, were measured 7 days after the beginning of the experiment. The results of the analysis of the variance indicated that there was a significant difference, at P<0.01, between cultivars, salinity treatments, and their interaction effects for all of the four traits. With an increase in the amount of salinity, the percentage and speed of germination and the radicle and PLUMULE LENGTHs demonstrated a significant decrease. The results also indicated that the reduction percentage of the traits was significant. In other words, the aforementioned traits significantly decreased under the salinity treatments. The results of the present study indicated different degrees of salinity tolerance in the germination traits. Comparing the cultivars in different salinity treatments, it was found that the improved cultivar under study was more tolerant in germination stage in comparison to the landrace ones.

Cites

EFFECT OF VEGETATIVE GROWTH, CELL MEMBRANES STABILITY AND ION COMPARTMENTATION OF RICE CULTIVARS UNDER SALT STRESS CONDITION

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APA: Copy

SHARIFI, P.. (2013). EVALUATING THE EFFECT OF SALINITY STRESSES ON SOME OF THE TRAITS OF RICE AT THE GERMINATION STAGE. PLANT AND ECOSYSTEM, 9(34-1 (SUPPLEMENT)), 31-39. SID. https://sid.ir/paper/145251/en

Vancouver: Copy

SHARIFI P.. EVALUATING THE EFFECT OF SALINITY STRESSES ON SOME OF THE TRAITS OF RICE AT THE GERMINATION STAGE. PLANT AND ECOSYSTEM[Internet]. 2013;9(34-1 (SUPPLEMENT)):31-39. Available from: https://sid.ir/paper/145251/en

IEEE: Copy

P. SHARIFI, “EVALUATING THE EFFECT OF SALINITY STRESSES ON SOME OF THE TRAITS OF RICE AT THE GERMINATION STAGE,” PLANT AND ECOSYSTEM, vol. 9, no. 34-1 (SUPPLEMENT), pp. 31–39, 2013, [Online]. Available: https://sid.ir/paper/145251/en

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