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231225s1987 xx |||||o 00| ||eng c |
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|a 10.1111/j.1469-8137.1987.tb00874.x
|2 doi
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|a pubmed24n1080.xml
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|a DE-627
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|e rakwb
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|a eng
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|a Hajibagheri, M A
|e verfasserin
|4 aut
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|a QUNTITATIVE ION DISTRIBUTION WITHIN ROOT CELLS OF SALT-SENSITIVE AND SALT-TOLERANT MAIZE VARIETIES
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| 264 |
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|c 1987
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Revised 20.04.2021
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a Significant varietal differences were apparent in the survival of seedlings of maize in saline conditions but only at relatively high external concentrations (200 mol m-3 NaCl), where there was a range from 0 to 66% survival, 25 d after salinization. For the varieties examined there was a strong negative correlation between Na concentrations in the third leaf and survival. Two resistant varieties (Across 8024 and Protador) and one salt-sensitive variety (LG11 ) were identified. The characteristics of ion accumulation were clearly different in salt-tolerant and salt-sensitive types, the difference becoming more pronounced with plant age. The distribution of ions, particular those of Na, K and Cl, was determined within subcellular compartments of roots cells using X-ray microanalysis of freeze-substituted tissue. Salinity induced a greater increase (about 1.7 times) in cytoplasmic Na concentration in the salt-sensitive variety (LG11 ) than in resistant varieties (Across 8024 or Protador). The mean K:Na ratio in the cytoplasm of the root cortical cells in the salt-resistant varieties grown for 15 d in saline conditions (100 mol m-3 NaCl) was twice that found for LG11 . Sodium and Cl concentrations in the vacuoles decreased radially inwards from the epidermal cells in salt-treated roots of LG11
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|a Journal Article
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|a X-ray microanalysis
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|a Zea mays
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| 650 |
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|a root cortex
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|a salinity resistance
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| 650 |
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|a subcellular compartments
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1 |
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|a Harvey, D M R
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Flowers, T J
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 105(1987), 3 vom: 20. März, Seite 367-379
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
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|g volume:105
|g year:1987
|g number:3
|g day:20
|g month:03
|g pages:367-379
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|u http://dx.doi.org/10.1111/j.1469-8137.1987.tb00874.x
|3 Volltext
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|d 105
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|h 367-379
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