EFFECTS OF SALT (NACL) AND DROUGHT (PEG6000) STRESSES ON GERMINATION CHARACTERISTIC AND SEEDLING GROWTH OF BARNYARD GRASS (ECHINOCHLOA CRUS-GALLI VAR: ORYZICOLA)

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MOJAB M.; ZAMANI GH.; ESLAMI S.V.; HOSSEINI M.; NASERI S.A.

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Journal: Iranian Plant Protection Research Year:2010 | Volume:24 | Issue:1 Page(s): 108-114

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Title

EFFECTS OF SALT (NACL) AND DROUGHT (PEG6000) STRESSES ON GERMINATION CHARACTERISTIC AND SEEDLING GROWTH OF BARNYARD GRASS (ECHINOCHLOA CRUS-GALLI VAR: ORYZICOLA)

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Keywords

GERMINATIONQ2

OSMOTIC POTENTIALQ2

BIOLOGYQ3

WEEDQ2

RECOVERYQ3

Abstract

Salt and drought stress are two major environmental stress in Iran that affect growth and development of plants. In order to study effects of salt and drought stress (NaCl and PEG6000) on GERMINATION characteristic and seedling growth of Barnyard grass two separate experiment were conducted in growth chamber, at research laboratory of college of agriculture, University of Birjand during 2008. The Experimental design was a completely randomized design (CRD) with four replications. Treatments were salt and drought stress as osmotic and matric potential, respectively, at four levels (0, -0.3, -5, -10 and -15 bars). The Result showed that when stress increased, GERMINATION percent, GERMINATION rate, root and stem length, root, seedling and stem fresh weight decreased significantly (p£0.05), this were higher in drought stress than salt stress. Results showed that reduction percentage for root length was higher than the plumul lenght. When water potential decreased, time to 50% of maximum GERMINATION increased. The functional three-parameter logistic model provided a successful estimation of the relationship between salt and drought stress levels and GERMINATION response of Barnyard grass. This model showed that salinity and drought at -7.34 and -0.5012 bar, respectively caused 50% reduction in maximum GERMINATION percentage of Barnyard grass. The effect of RECOVERY on ungerminated seeds that record in -10 and -15 bars osmatic potential salt showed, it may the reduce or no GERMINATION of Barnyard grass resulting in reduce water potential.

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APA: Copy

MOJAB, M., ZAMANI, GH., ESLAMI, S.V., HOSSEINI, M., & NASERI, S.A.. (2010). EFFECTS OF SALT (NACL) AND DROUGHT (PEG6000) STRESSES ON GERMINATION CHARACTERISTIC AND SEEDLING GROWTH OF BARNYARD GRASS (ECHINOCHLOA CRUS-GALLI VAR: ORYZICOLA). IRANIAN PLANT PROTECTION RESEARCH (JOURNAL OF PLANT PROTECTION), 24(1), 108-114. SID. https://sid.ir/paper/142697/en

Vancouver: Copy

MOJAB M., ZAMANI GH., ESLAMI S.V., HOSSEINI M., NASERI S.A.. EFFECTS OF SALT (NACL) AND DROUGHT (PEG6000) STRESSES ON GERMINATION CHARACTERISTIC AND SEEDLING GROWTH OF BARNYARD GRASS (ECHINOCHLOA CRUS-GALLI VAR: ORYZICOLA). IRANIAN PLANT PROTECTION RESEARCH (JOURNAL OF PLANT PROTECTION)[Internet]. 2010;24(1):108-114. Available from: https://sid.ir/paper/142697/en

IEEE: Copy

M. MOJAB, GH. ZAMANI, S.V. ESLAMI, M. HOSSEINI, and S.A. NASERI, “EFFECTS OF SALT (NACL) AND DROUGHT (PEG6000) STRESSES ON GERMINATION CHARACTERISTIC AND SEEDLING GROWTH OF BARNYARD GRASS (ECHINOCHLOA CRUS-GALLI VAR: ORYZICOLA),” IRANIAN PLANT PROTECTION RESEARCH (JOURNAL OF PLANT PROTECTION), vol. 24, no. 1, pp. 108–114, 2010, [Online]. Available: https://sid.ir/paper/142697/en

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